Regency Fireplace Products I31-NG3 Installation guide

Category
Fireplaces
Type
Installation guide

This manual is also suitable for

WARNING:
If the information in these instructions are not followed ex-
actly, a re or explosion may result causing property damage,
personal injury or loss of life.
FOR YOUR SAFETY
Do not store or use gasoline or other ammable vapors and
liquids in the vicinity of this or any other appliance.
Installation and service must be performed by a quali ed
installer, service agency or the gas supplier.
FOR YOUR SAFETY
What to do if you smell gas:
Do not try to light any appliance
Do not touch any electrical switch:
do not use any phone in your build-
ing.
Immediately call your gas supplier
from a neighbour's phone. Follow
the gas supplier's instructions.
If you cannot reach your gas
supplier, call the re department.
FPI FIREPLACE PRODUCTS INTERNATIONAL LTD. 6988 Venture St., Delta, BC Canada, V4G 1H4
919-099
MODELS: U31-NG3 Natural Gas U31-LP3Propane
10/17/12
U31 Gas Insert
Owners &
Installation Manual
www.regency- re.com
Tested by: Installer: Please complete the details on the back cover
and leave this manual with the homeowner.
Homeowner: Please keep these instructions for future reference.
2Regency U31-3 Gas Fireplace Insert
FPI GAS
FIREPLACE INSERT
TO THE NEW OWNER
Congratulations! You are the owner of a state-of-the-art Gas Insert by FPI.
The FPI Gas Insert Series of hand crafted appliances has been designed to provide you
with all the warmth and charm of a replace, at the ick of a switch. The models U31-NG3
and U31-LP3 of this series have been approved by Warnock Hersey for both safety and ef-
ciency. As it also bears our own mark, it promises to provide you with economy, comfort
and security for many trouble free years to follow. Please take a moment now to acquaint
yourself with these instructions and the many features of your FPI Fireplace.
Regency U31-3 Gas Fireplace Insert 3
DIMENSIONS
Note: Oversize faceplate is 44" x 28" (1118 mm x 711mm)
Low Pro le Faceplate Dimensions
40-3/4 (1036mm)
35-15/16 (912mm)
27-15/16 (710mm)
14-7/8 (378mm)
22 (559mm)
23-15/16 (607mm)
10-7/8”
(276mm)
* Standard size shown, custom size also available.
4Regency U31-3 Gas Fireplace Insert
TABLE OF CONTENTS
OPERATING INSTRUCTIONS
Operating Instructions .............................................24
Lighting Procedure ..................................................24
Shutdown Procedure ...............................................25
First Fire .............................................................25
Automatic Convection Fan Operation......................25
Normal Operating Sounds of Gas Appliances .........25
Copy of Lighting Instruction Plate ............................27
MAINTENANCE
Maintenance ............................................................26
Gold Plated Trim ...............................................26
Log Replacement ..............................................26
Glass Gasket ....................................................26
Door Glass Replacement ..................................27
Flush Glass Replacement .................................27
Fan Maintenance .....................................................27
PARTS
Parts List .............................................................28
WARRANTY
Warranty .............................................................35
Unit Dimensions ........................................................3
Safety Label...............................................................5
INSTALLATION
For Your Safety ..........................................................7
Speci cations ............................................................8
Installation into a Solid Fuel Fireplace .......................8
General Safety Information........................................8
Installation Checklist ..................................................9
Materials Required ...................................................9
Minimum Fireplace Clearances .................................9
Clearances to Combustibles......................................9
Conversion to Propane Kit.......................................10
Gas Connection .......................................................10
High Elevation .........................................................10
Draft Hood Connection ............................................10
Venting .............................................................11
Combustion & Ventilation ..................................11
Gas Pressure Test ...................................................11
Gas Insert Aeration System .....................................11
Test for Flue Spillage ...............................................11
Optional Brick Panel ...............................................12
Log Installation ........................................................13
Faceplate & Trim .....................................................16
Glass Front Installation
Standard Flush Door (1 panel) ..........................16
Flush Louvers ...................................................17
Wiring Diagram ........................................................18
Full Screen Front .....................................................19
Excalibur Surround ..................................................20
Low Pro le Faceplate Installation............................22
Optional Wall Thermostat ........................................27
Optional Remote Control ........................................27
Final Check .............................................................27
Regency U31-3 Gas Fireplace Insert 5
This is a copy of the labels that accompany
each U31-3Gas Insert. We have printed a copy
of the contents here for your review. The safety
label is located on a plate inside the base of the
unit visible when the bottom louver is opened.
NOTE: FPI units are constantly being im-
proved. Check the label on the unit
and if there is a difference, the label
on the unit is the correct one.
DO NOT REMOVE THIS LABEL /
NE PAS ENLEVER CETTE ETIQUETTE
Serial No. / No de serie
400
400
Min. supply pressure 5" WC (1.25kPa)
Low Setting Man. pressure 1.6" WC (0.40kPa)
Max. Manifold pressure 3.5" WC (0.87kPa)
Orifice size 37 DMS (2.64mm)
Minimum input 20,600 Btu/h (6.04kW)
Altitude 0-2000ft (0-610m)
Maximum input 30,000 Btu/h (8.79kW)
Use Conversion Kit (Part #400-970)
Min. supply pressure 5" WC (1.25 kPa)
Low Setting Man. pressure 1.6" WC
Max. Manifold pressure 3.5" WC
Orifice size 40 DMS (2.49 mm)
Minimum input 19,200 Btu/h (5.62kW)
Altitude 2000-4500ft (610-1370m)
Maximum input 27,200 Btu/h (7.97kW)
(0.40kPa)
(0.87kPa)
919-098
Mantel Clearances in Masonry
Fireplace Installation
NATURAL GAS FIREPLACE INSERT:
MODEL U31-NG3
PROPANE FIREPLACE INSERT:
MODEL U31-LP3
1
12" WC (2.99 kPa)
6.4" WC (1.59 kPa)
10" WC (2.49 kPa)
52 DMS (1.6mm)
22,000 Btu/h (6.45kW)
0-2000ft (0-610m)
28,000 Btu/h (8.21kW)
2" WC (2.99 kPa)
53 DMS (1.5mm)
20,000 Btu/h (5.86 kW)
2000-4500ft (610-1370m)
25,000 Btu/h (7.33 kW)
Use Conversion Kit (Part #400-971)
6.4" WC (1.59 kPa)
10" WC (2.49 kPa)
FPI Fireplace Products International Ltd.
Delta BC, CANADA
MADE IN CANADA / FABRIQUE AU CANADA
Model: U31-NG3 Model: U31-LP3
Factory Equipped For Altitude 0-2000ft. (0-610m)
Field Convertible For Altitude 2000-4500ft.(610-1370m)
Duplicate Serial number
K
L
A
B
O
N
P
Q
M
R
This appliance must be installed in accordance with local codes, if any; if none, follow the National Fuel Gas Code, ANSI Z223.1, or
Natural Gas and Propane Installation Code, CSA B149.1.
This appliance must be installed in accordance with the Standard CAN/CSA Z240 MH, Mobile Housing, in Canada, or with the Manufactured
Home Construction and Safety Standard, Title 24 CFR, Part 3280, in the United States, or when such a standard is not applicable,
ANSI/NCSBCS A225.1/NFPA 501A, Manufactured Home Installations Standard or ANSI A119.2 ou NFPA 501C Standard for Recreational
Vehicles
This appliance is only for use with the type of gas indicated on the rating plate and may be installed in an aftermarket, permanently located,
manufactured (mobile) home where not prohibited by local codes. See owner's manual for details.
WARNING.This fireplace has been converted for use with a gas fireplace insert only and cannot be used for burning wood or solid fuels unless
all original parts have been replaced, and the fireplace re-approved by the authority having jurisdiction.
Installer l'appareil selon les codes ou règlements locaux, ou, en l'absence de tels règlements, selon les codes d'installation ANSI Z223.1,
National Fuel Gas Code ou CSA-B149.1 en vigueur.
Installer l'appareil selon la norme CAN/CSA-Z240, Série MM, Maison mobiles ou CAN/CSA-Z240 VC, Véhicules de camping, ou la norme 24
CFR Part 3280, Manufactured Home Construction and Safety Standard. Si ces normes ne sont pas pertinentes, utilisez la norme
ANSI/NCSBCS A225.1/NFPA 501A, Manufactured Home Installations Standard, ou ANSI A119.2 ou NFPA 501C Standard for Recreational
Vehicles.
AVERTISSEMENT : Ce foyer a été converti pour utilisation avec un foyer au gaz encastrable et ne peut être utiliser pour brûler du bois ou
d'autres combustibles solides à moins que toutes les pièces d'origine aient été remplacées et que le foyer ait été approuvé de nouveau par
l'autorité compétente.
For use with glass doors certified with the appliance only
This vented gas fireplace heater is not for use with air filters. Ne pas utiliser de filtre à air avec ce foyer au gaz à évacuation.
Cet appareil doit être utilize uniquement avec le type de gaz indiqué sur la plaque signalétique. Cet appareil peut être installé dans une maison
préfabriquée ou mobile (É.-U. seulement) installée à demeure si les règlements locaux le permettent. Voir la notice de l'utilisateur pour plus de
renseignements. Cet appareil ne peut pas être utilisé avec d'autres gaz sauf si une trousse de conversion certifiée est fournie.
Pour utilisation uniquement avec les portes en verre certifiées avec l'appareil
Minimum Clearances to Combustibles from Insert
Side wall A 10"(255mm)
Ceiling B 47-1/2"(1205mm)
Alcove Width K 48"(1220mm)
Max. Alcove Depth L 36"(915mm)
NOTE: for Zero Clearance Kit clearances to
Combustibles. See manual for details.
Max. Mantel depth M 12"(305mm)
Mantel height N 17"(432mm)
Mantel depth O 3-1/2"(89mm)
Mantel height P 13"(330mm)
Floor Q 19-1/2"(495mm)
Mantel Clearances in Zero Clearance
Kit Installations
Max. Mantel depth M 12"(305mm)
Mantel height N 22"(432mm)
Listed:
Certified for/Certifi e pour:
Tested to:
CANADA and U.S.A.
VENTED GAS FIREPLACE HEATER
/
Tested to:
FOYER AU GAZ À ÉVACUATION
é
CAN/CGA-2.17-M91(R2009)
ANSI Z21.88-2009/CSA 2.33-2009
Electrical supply / Électrique 115VAC, 2.5 A, 60Hz, Less than 10A Fan Part # 911-071
VENTED GAS FIREPLACE HEATER - NOT FOR USE WITH SOLID FUELS. /
NE PAS UTILISER AVEC DUCOMBUSTIBLE SOLIDE.
FOYER AU
GAZ À ÉVACUATION -
4001172
For the State of Massachusetts, installation and repair must be done by a plumber or gas tter licensed in the Commonwealth of
Massachusetts.
For the State of Massachusetts, exible connectors shall not exceed 36 inches in length.
For the State of Massachusetts, the appliances individual manual shut-off must be a t-handle type valve.
The State of Massachusetts requires the installation of a carbon monoxide alarm in accordance with NFPA 720 and a CO alarm
with battery back up in the same room where the gas appliance is installed.
6Regency U31-3 Gas Fireplace Insert
REQUIREMENTS
5.08: Modifications to NFPA-54, Chapter 10
(2) Revise 10.8.3 by adding the following additional requirements:
(a) For all side wall horizontally vented gas fueled equipment installed in every dwelling, building or structure used in whole or in part for
residential purposes, including those owned or operated by the Commonwealth and where the side wall exhaust vent termination is less than
seven (7) feet above finished grade in the area of the venting, including but not limited to decks and porches, the following requirements shall
be satisfied:
1. INSTALLATION OF CARBON MONOXIDE DETECTORS. At the time of installation of the side wall horizontal vented gas fueled
equipment, the installing plumber or gasfitter shall observe that a hard wired carbon monoxide detector with an alarm and battery back-up is
installed on the floor level where the gas equipment is to be installed. In addition, the installing plumber or gasfitter shall observe that a battery
operated or hard wired carbon monoxide detector with an alarm is installed on each additional level of the dwelling, building or structure
served by the side wall horizontal vented gas fueled equipment. It shall be the responsibility of the property owner to secure the services of
qualified licensed professionals for the installation of hard wired carbon monoxide detectors
a. In the event that the side wall horizontally vented gas fueled equipment is installed in a crawl space or an attic, the hard wired carbon
monoxide detector with alarm and battery back-up may be installed on the next adjacent floor level.
b. In the event that the requirements of this subdivision can not be met at the time of completion of installation, the owner shall have a period of
thirty (30) days to comply with the above requirements; provided, however, that during said thirty (30) day period, a battery operated carbon
monoxide detector with an alarm shall be installed.
2. APPROVED CARBON MONOXIDE DETECTORS. Each carbon monoxide detector as required in accordance with the above provisions
shall comply with NFPA 720 and be ANSI/UL 2034 listed and IAS certified.
3. SIGNAGE. A metal or plastic identification plate shall be permanently mounted to the exterior of the building at a minimum height of eight
(8) feet above grade directly in line with the exhaust vent terminal for the horizontally vented gas fueled heating appliance or equipment. The
sign shall read, in print size no less than one-half (1/2) inch in size, "GAS VENT DIRECTLY BELOW. KEEP CLEAR OF ALL
OBSTRUCTIONS".
4. INSPECTION. The state or local gas inspector of the side wall horizontally vented gas fueled equipment shall not approve the installation
unless, upon inspection, the inspector observes carbon monoxide detectors and signage installed in accordance with the provisions of 248 CMR
5.08(2)(a)1 through 4.
(b) EXEMPTIONS: The following equipment is exempt from 248 CMR 5.08(2)(a)1 through 4:
1. The equipment listed in Chapter 10 entitled "Equipment Not Required To Be Vented" in the most current edition of NFPA 54 as adopted by
the Board; and
2. Product Approved side wall horizontally vented gas fueled equipment installed in a room or structure separate from the dwelling, building or
structure used in whole or in part for residential purposes.
(c) MANUFACTURER REQUIREMENTS - GAS EQUIPMENT VENTING SYSTEM PROVIDED. When the manufacturer of Product
Approved side wall horizontally vented gas equipment provides a venting system design or venting system components with the equipment, the
instructions provided by the manufacturer for installation of the equipment and the venting system shall include:
1. Detailed instructions for the installation of the venting system design or the venting system components; and
2. A complete parts list for the venting system design or venting system.
(d) MANUFACTURER REQUIREMENTS - GAS EQUIPMENT VENTING SYSTEM NOT PROVIDED. When the manufacturer of a
Product Approved side wall horizontally vented gas fueled equipment does not provide the parts for venting the flue gases, but identifies
"special venting systems", the following requirements shall be satisfied by the manufacturer:
1. The referenced "special venting system" instructions shall be included with the appliance or equipment installation instructions; and
2. The "special venting systems" shall be Product Approved by the Board, and the instructions for that system shall include a parts list and
detailed installation instructions.
(e) A copy of all installation instructions for all Product Approved side wall horizontally vented gas fueled equipment, all venting instructions,
all parts lists for venting instructions, and/or all venting design instructions shall remain with the appliance or equipment at the completion of
the installation.
MA Code - CO Detector
(for the State of Massachusetts only)
Regency U31-3 Gas Fireplace Insert 7
INSTALLATION
CLOTHING OR OTHER FLAMMABLE
MATERIAL SHOULD NOT BE PLACED
ON OR NEAR THE APPLIANCE.
CHILDREN AND ADULTS SHOULD BE
ALERTED TO THE HAZARDS OF HIGH
SURFACE TEMPERATURES, ESPE-
CIALLY THE FIREPLACE GLASS, AND
SHOULD STAY AWAY TO AVOID BURNS
OR CLOTHING IGNITION.
INSTALLATION AND REPAIR SHOULD
BE DONE BY AN AUTHORIZED
SERVICE PERSON. THE APPLIANCE
SHOULD BE INSPECTED BEFORE
USE AND AT LEAST ANNUALLY BY A
PROFESSIONAL SERVICE PERSON.
MORE FREQUENT CLEANING MAY
BE REQUIRED DUE TO EXCESSIVE
LINT FROM CARPETING, BEDDING
MATERIAL, ETC. IT IS IMPERATIVE THAT
CONTROL COMPARTMENTS, BURNERS
AND CIRCULATING AIR PASSAGEWAYS
OF THE APPLIANCE BE KEPT CLEAN.
DUE TO HIGH TEMPERATURES, THE
APPLIANCE SHOULD BE LOCATED
OUT OF TRAFFIC AND AWAY FROM
FURNITURE AND DRAPERIES.
WARNING: FAILURE TO INSTALL THIS
APPLIANCE CORRECTLY WILL VOID
YOUR WARRANTY AND MAY CAUSE A
SERIOUS HOUSE FIRE.
YOUNG CHILDREN SHOULD BE CARE-
FULLY SUPERVISED WHEN THEY ARE
IN THE SAME AREA AS THE APPLI-
ANCE. TODDLERS, YOUNG CHILDREN
AND OTHERS MAY BE SUSCEPTIBLE
TO ACCIDENTAL CONTACT BURNS. A
PHYSICAL BARRIERS IS RECOMMEND-
ED IF THERE ARE AT RISK INDIVIDUAL
IN THE HOUSE. TO RESTRICT ACCESS
TO A FIREPLACE OR STOVE, INSTALL
AN ADJUSTABLE SAFETY GATE TO
KEEP TODDLERS, YOUNG CHILDREN
AND OTHER AT RISK INDIVIDUALS OUT
OF THE ROOM AND AWAY FROM HOT
SURFACES.
FOR YOUR SAFETY
This appliance requires air for proper combustion.
Always provide adequate combustion and
ventilation air. Follow instructions and information
in CSA B149.1 (in Canada) or the National Fuel Gas
Code ANS Z223.1/NFPA (in the USA), regarding
requirements for combustion and ventilation air.
8Regency U31-3 Gas Fireplace Insert
INSTALLATION
IMPORTANT:
SAVE THESE
INSTRUCTIONS
The Regency Gas Insert must be installed in
accordance with these instructions. Carefully
read all the instructions in this manual rst.
Consult the building authority having jurisdic-
tion to determine the need for a permit prior to
starting the installation.
NOTE: Failure to follow the instructions
could cause a malfunction of the
heater which could result in death,
serious bodily injury, and/or prop-
erty damage. Failure to follow these
instructions may also void your re
insurance and/or warranty. This appli-
ance can be used with a thermostat.
FOR YOUR SAFETY
This appliance requires air for proper combus-
tion. Always provide adequate combustion
and ventilation air. Follow instructions and
information in CAN/CGA B149 (in Canada) or
the National Fuel Gas Code ANSI Z223.1 (in the
USA), regarding requirements for combustion
and ventilation air.
SPECIFICATIONS
At pressures over 1/2 psig, the pipe to the unit
must be disconnected.
Gas Input Capacity:
Natural Gas 30,000 Btu/h
Propane 28,000 Btu/h
Fuels: Approved for use with both natural
gas, and propane. Approved as is for use at
0' to 2,000'. With a eld installed conversion
kit 0' - 4,500'.
Electrical: 120V A.C. system.
Circulation Fan: Variable speed, 127 CFM.
Log Set: Ceramic bre, 7 per set.
Vent System: Minimum 4" B-Vent or listed
gas fuel vent liner.
GAS PRESSURE TESTING
The appliance must be isolated from the gas
supply piping system by closing its individual
manual shut off valve during any pressure
testing of the gas supply piping system at test
pressures equal to or less than 1/2 psig. (3.45
kPa). Disconnect piping from valve at test pres-
sures over 1/2 psig (3.45 kPa).
POLICY FOR SOLID FUEL
BURNING AND FACTORY
BUILT
FIREPLACES
The FPI U31-3 may be installed and vented into
any solid fuel replace that has been installed
in accordance with the National, Provincial and
local building codes and is constructed of non-
combustible materials.
1) Installer must mechanically attach the supplied
label to the inside of the rebox of the replace
into which the gas replace insert is installed.
General Safety Information
1) The appliance installation must conform with
local codes or in the absence of local codes,
with CAN/CGA B149 (in Canada) or the
National Fuel Gas Code ANSI Z223.1. This
appliance should be installed by a quali ed
gas tter technician only.
2) Installation and repair should be done by a
quali ed service person.
3) The appliance should be inspected before use
and at least annually by a professional service
person. More frequent cleaning may be required
due to excessive lint from carpeting, bedding
material, animal hair, etc. It is imperative that
control compartments, burners and circulating
air passageways of the appliance be kept clean.
4) See general construction and assembly instruc-
tions. This appliance may only be installed in a
vented, noncombustible replace.
5) This appliance is Listed for bedroom installa-
tions. In Canada room heaters must be installed
with a Listed Millivolt Thermostat. Some areas
may have further requirements, check local
codes before installation.
6) This unit is not approved for installation into a
mobile home.
7) Always connect this insert to a vent system
venting to the outside of the building envelope.
Never vent to another room or inside a building.
Make sure that the vent is properly sized and is
of adequate height to provide the proper draft.
8) Inspect the venting system annually for blockage
and any signs of deterioration.
9) Any glass removed for servicing must be re-
placed prior to operating the appliance.
10) To prevent injury, do not allow anyone who is
unfamiliar with the operation to use the replace.
11) Failure to position the parts in accordance with
the diagrams in this manual or failure to use only
parts speci cally approved with this appliance
may result in property damage or personal injury.
12) Due to high temperatures, the appliance should
be located out of high traf c areas and away
from furniture and draperies. Children and
adults should be alerted to the hazards of high
surface temperatures, especially the replace
glass and gold trims, and should stay away to
avoid burns or clothing ignition. Young children
should be carefully supervised when they are
in the same room as the appliance. Clothing or
other ammable material should not be placed
on or near the appliance.
Emissions from burning wood or gas could
contain chemicals known to the State of
California to cause cancer, birth defects or
other reproductive harm.
4) The replace ue damper can be fully blocked
open or removed for installation of the gas
replace insert.
5) The replace and replace chimney must be
clean and in good working order and constructed
of non-combustible materials.
6) The chimney cleanouts must t properly.
7) Refractory ( rebricks), glass doors, screen rails,
screen mesh and log grates can be removed
from the replace before installing the gas
replace insert.
8) Smoke shelves, shields and baf es may be
removed if attached by mechanical fasteners.
If any part is removed it must not weaken the
structural integrity of the factory built.
9) Trim panels or surrounds shall not seal ventila-
tion openings in the replace.
BEFORE YOU START
Safe installation and operation of this appliance
requires common sense, however, we are required
by the Canadian Safety Standards and ANSI Stand-
ards to make you aware of the following:
WARNING: This replace has been con-
verted for use with a gas replace insert
only and cannot be used for burning wood
or solid fuels unless all original parts have
been replaced, and the replace re-ap-
proved by the authority having jurisdiction.
2) Do not cut any sheet-metal parts of the replace,
in which the gas replace insert is to be installed.
3) If the factory-built replace has no gas access
hole(s) provided, an access hole of 1-1/2"
(37.5mm) or less may be drilled though the lower
sides or bottom of the rebox in a proper work-
manship like manner. This access hole must be
plugged with a non-combustible insulation after
the gas supply line has been installed.
Regency U31-3 Gas Fireplace Insert 9
INSTALLATION
NOTE: Mantel clearances for Installation into
a Zero Clearance Kit are different. Please
refer to the Zero Clearance Kit Manual for
details.
MINIMUM FIREPLACE
DIMENSIONS
The minimum replace dimensions for the FPI
gas replace insert are shown in the following
diagrams:
Combustible Mantel Clearances in
Masonry Installation
8-1/8”
Low prole
Note: A non-combustible mantel may be in-
stalled at a
lower height
if the framing
is made of
metal studs
covered
with a non-
combustible
board.
INSTALLATION
CHECKLIST
The Regency Gas Insert is installed as listed below.
1) Unit Location - check Clearances to Combus-
tibles.
2) Make the gas connections.
Convert to Propane Gas if necessary.
3) Install the ue or liner to the sliding draft hood.
4) Install Venting. Slide the unit into the replace.
Attach draft hood to the insert.
5) Test gas pressure.. Check aeration
6) Test for ue spillage.
7) Install the optional brick panels.
8) Install the log set.
9) Assemble and install the faceplate and trim.
10) Install the glass front.
11) Install louvers.
12) Install Optional Double Screen Door.
13) Install Optional Remote Control and Optional
Wall Thermostat.
14) Final check: Before leaving this unit with the
customer, the installer must ensure that the
appliance is ring correctly. This includes:
a) Clocking the appliance to ensure the
correct ring rate.
b) Adjusting the primary air, if required, to
ensure that the ame does not carbon.
c) Ensuring that the appliance is venting
correctly.
MATERIALS REQUIRED
No electrical power supply is required for the gas
control to operate. A 120 Volt AC power cord is
hooked up to the fan. Plug the 3 wire cord into
a suitable receptacle. Do not cut the ground
terminal off under any circumstances. When
connected with 120 volts, the appliance must be
electrically grounded in accordance with local codes,
or in the absence of local codes, with the current
Canadian Electrical Code CSA C22.1 (in Canada)
or with the current National Electrical Code ANSI/
NFPA 70-1987 (in U.S.A.).
CLEARANCES TO
COMBUSTIBLES
From Unit
Sides A 10" / 255 mm
Ceiling B 47.5" / 1205 mm
Mantle C See mantle
clearances
Max. Mantel Depth G 12" / 305 mm
Min. Alcove Width K 48" / 1220 mm
Max. Alcove Depth L 36" / 915 mm
* No Hearth Required
Note: If you are installing the Excalibur Surround,
the minimum replace dimensions are as follows:
Width (at front): 29" (737mm)
Depth: 16" (406mm)
NOTE: This unit is equipped with a heat sensor
thermodisc which will prevent the blower
from operating until the unit reaches the
correct temperature.
10 Regency U31-3 Gas Fireplace Insert
INSTALLATION
THIS CONVERSION MUST BE DONE BY A QUALIFIED GAS
FITTER IF IN DOUBT DO NOT DO THIS CONVERSION !!
Conversion Kit from Natural Gas to Propane
Model #404-969 for: U31-NG3 Units
1) Turn the unit off and allow it to cool to room
temperature.
2) Unplug or disconnect power source to stove.
3) Remove glass front (see manual).
4) Remove logs and brick panels (if installed).
5) Remove the Grate by removing the screws
on each side of the grate.
Remove the 2 screws holding
the grate in position.
Remove the 2 screws,
push Burner Tray to the left, and lift off.
6) Remove the Burner Tray by removing the
screws on each side of the tray. Push the
tray to the left and lift up.
7) Remove burner ori ce with 1/2" wrench and
replace with the #52 ori ce in the Kit.
8) Turn control knob to the “OFF” position
Burner
Ori ce
17) Pull off the pilot cap to expose the pilot ori ce.
18) Unscrew the pilot ori ce with the allen key and
replace with the LP pilot ori ce in the kit.
19) Replace Burner Tray and reverse steps 5) to
1).
20) Adjust the burner aeration setting to 3/8" to
3/8" as required for the best ame picture.
Fi
g
. 1
9) Remove the black
protection cap by hand
from the hi-low knob (Fig.1).
Fi
g
.2
12) Flip the screw (Fig. 3).
Fig.4
Fig.3
13) Using the Allen wrench as
shown in Fig.4, rotate the
screw clockwise until snug,
do not overtighten.
10) Insert a 5/32” or 4mm Allen
wrench into the hexagonal
key-way of the screw (Fig. 2),
rotate it counter-clockwise
until it is free and extract it.
11) Check that the screw is clean and if necessary
remove dirt.
WARNING!
Do not over tighten the screw.
Recommended to
grip the wrench by the short side.
14) Verify that if the conversion is from NG to LPG,
the screw must be re-assembled with the red
o-ring visible (Fig. 5).
LPG Configuration
Red o-ring visible
Fig.5
15) Re-assemble the black protection cap
(Fig. 6).
16) Reverse steps 6 - 1.
Regency U31-3 Gas Fireplace Insert 11
INSTALLATION
GAS CONNECTION
3) Locate the center point where the vent will
pass through the chimney above the appli-
ance. Move the appliance into the exact
location where it is to be installed. Ensure
that the Insert is level.
4) The installer must provide a valve with a
plugged tapping, accessible for test gauge
connection, immediately upstream of the
gas supply connection to the appliance.
HIGH ELEVATION
This unit is approved in Canada for altitude 0 to
2000 ft. with the ori ce supplied. For 0' - 4500'
use the optional eld conversion kit (Part #400-
970 for Natural Gas units and Part #400-971 for
Propane units). In USA refer to ANSI Z223.1-
1988, Appendix F, for re-sizing ori ce.
GAS CONNECTION WARNING:
Only persons licensed to work
with gas piping may make the
necessary gas connections to this
appliance.
1) If the appliance is to be installed into an
existing chimney system, thoroughly clean
the masonry or factory built replace.
2) The appliance is provided with an opening
on the left hand side of the control com-
partment. A 1/2" gas supply pipe must be
brought near this inlet hole. (See Diagram
3 on page 11).
NOTE: nal gas connection should be after
unit is in place to avoid damage to line
when pushing the unit into position.
Diagram 1
WARNING: Operation of this appli-
ance when not connected to a prop-
erly installed and maintained venting
system or tampering with the blocked
vent shutoff system can result in
carbon monoxide (CO) poisoning and
possible death.
Combustion and Ventilation Air
WARNING: This appliance needs
fresh air for safe operation and must
be installed with provisions for ad-
equate combustion and ventilation
air available to the room in which it
is to be operating.
Follow CAN/CGA B149 (in Canada) or ANSI Z223.1
(in the USA) requirements, and any local codes or
regulations of the enforcing authority.
Air for combustion is drawn in through the front
of the unit, therefore, the front of the unit must be
kept clear of any obstructions.
GAS PRESSURE TEST
The unit is preset to give the correct gas input at the
speci ed manifold pressures shown on the label.
The maximum gas manifold pressure is:
Natural Gas 3.5" w.c.
Propane 10" w.c.
The manifold pressure is controlled by a regulator
built into the gas control, and should be checked at
the pressure test point. The pressure check should
be carried out with the unit burning and
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VENTING
This appliance is designed to attach to a 4" diam-
eter type B-Vent or listed gas fuel type vent liner
running the full length of the chimney. A minimum
ue height of 12 feet is recommended. B-Vent
must be supported by a vent support - supplied
by vent manufacturer. See chart on this page
for minimum distances from roof.
The Regency Insert incorporates its own internal
draft hood, so no additional external draft hood
is required.
DRAFT HOOD
CONNECTION
1) Attach the vent to the ue collar on the detach-
able draft hood. The ue collar of the appliance
will t inside a standard vent and may be fas-
tened directly to the vent by sheet metal screw.
Diagram 1.
2) Before pushing the appliance into position
inside the replace, align the draft hood with
the guides on the insert top and pull forward.
While pushing the unit back into place, keep
pulling the draft hood forward until the screw
hole in the spill tube aligns with the screw hole
in the draft hood locking tab on the underside
of rebox top. The screw is secured through the
draft hood locking tab into the front of the spill
tube. (If screw holes do not line up then draft
hood is not positioned correctly.
Periodically check that the vent is unrestricted and
an adequate draft is present when the unit is in
operation. (See page 8 for spillage test.)
Before installing vent system ensure that the damper
plate is open and secure to prevent the damper plate
from falling down and crushing the liner.
12 Regency U31-3 Gas Fireplace Insert
INSTALLATION
Diagram 1
3) After ve minutes, test that there is a “pull” on
the ue by placing a smoke match, cigarette or
similar device which gives off smoke, in front
of the spill tube. To ensure a valid test, place a
scrap piece of sheet metal (or other noncom-
bustible material) between the spill tube and
the upper louver, this will prevent the natural
convection of the unit from interfering with the
test. See diagram 1.
The smoke should be drawn into the spill tube. If
the smoke is still not drawn into the spill tube, turn
the unit off and check for the cause of the lack of
draft. If necessary, seek expert advice.
For wind turbulent sites, a wind cap may remedy
the problem.
Note: The thermally activated safety switch will
sense the change in temperature and shut down
the gas valve in the event of a severe downdraft
or a blocked or disconnected vent. The switch
acts as a safety shut-off to prevent a build-up
of carbon monoxide. If the ue is blocked or
has no "draw", the switch will automatically
shut off the supply of gas within 5 - 10 minutes.
Tampering with the switch can result in carbon
monoxide (CO) poisoning and possible death.
If the heater turns off because of lack of draft
during the spillage test, check for the cause
and if necessary, seek expert advice.
The thermally actuated safety switch will auto-
matically reset after it has cooled off. The switch
will continue to cycle until the draft problem is
corrected. DO NOT BYPASS OR DISCONNECT
THIS SWITCH.
OPTIONAL
BRICK PANEL
1) Unwrap the brick pattern panels from the pro-
tective wrapping.
2) Remove the glass front if it is already installed.
3) Put the rear brick panel at against the back of
the unit.
TEST FOR FLUE
SPILLAGE
A " spillage" test must be made before the
installed unit is left with the customer. Follow
the procedure below:
1) Start all exhaust fans in the home and then
close all external doors and windows in the
house.
2) Light the unit and set controls to maximum.
Turn fan off.
the setting should be within the limits speci ed.
GAS INSERT AERATION
SYSTEM
The aeration adjustment rod is attached to the
air shutter which is located just above the ori ce
bracket. The rod is used to adjust the aeration
on the main burner without having to take the
appliance apart.
The burner aeration is factory set but may need
adjusting due to either the local gas supply, air
supply or altitude.
Natural Gas: 3/8" (9.5mm) open
Propane: 3/8" (9.5mm) open
Note: Any damage due to carboning result-
ing from improperly setting the aera-
tion controls is NOT covered under
warranty.
Note: Aeration Adjustment should only
be performed by an authorized FPI
Installer at the time of installation or
service.
4) Before installing the side brick panels, loosen
the screws for the brick tabs enough so that you
can slide the brick clips on to the screws easily
but that the tabs are secure. For the location
of the side brick tab screws see Diagram 2.
5) Slide brick panel under brick clips, tighten screws
securing clips to complete installation.
Back Panel
Brick clip
Diagram 1
Diagram 2
Diagram 3
Check for proper draft by placing a
match close to the draft check open-
ing. This should be checked after the unit
Regency U31-3 Gas Fireplace Insert 13
INSTALLATION
LOG SET INSTALLATION
Read the instructions below carefully and refer to the diagrams. If logs are broken do not use the unit until
they are replaced. Broken logs can interfere with the pilot operation.
The gas log kit contains the following:
a) 02-43 Rear Log
b) 02-45 Front Right Log
c) 02-56 Middle Left Log
d) 02-46 Left Top Log
e) 02-47 Center Log
f) 02-48 Middle Right Log
g) 02-44 Front Left Log
h) 902-154 Embers
i) 902-153 Rockwool
j) 902-179/P Vermiculite
k) 946-669 Platinum Embers
(supplied with packaged manual)
Note: Install Optional Brick Panels prior to installing logs.
1) Carefully remove the logs from the box and unwrap
them. The logs are fragile, handle with care - do not
force into position.
2) Sprinkle the vermiculite around the fi rebox base. Take
some of the embers (approx. 1/3 of the bag) and
sprinkle over the vermiculite.
3) Place Rear Log A)02-43 on the two pins on the rear
log support.
Vermiculite
and embers Vermiculite
and embers
Vermiculite
and embers
Pins on Rear Log Support
4) Place Front Right Log B)02-45 on the two pins as
shown.
A)02-43
B)02-45
The "02" refer numbers (i.e. 02-43) are
molded into the rear of each log.
14 Regency U31-3 Gas Fireplace Insert
INSTALLATION
Logs D)02-46 and E)02-47 in position.
6) Place the Left Top Log D)02-46 on the pin on Log
C)02-56 and on top of the cutout on Log A)02-43.
7) Place the notch in Center Log E)02-47 over Log B)02-
45 and across the cutout on Log A)02-43.
Cutout
Pin
Cutout
Notch
8) Position notch in Front Right Log F)02-48 on Log
E)02-47 and push the bottom right edge against the
bracket on the burner tray and the front edge of the
rear burner.
Notch
Bracket
D)02-46
E)02-47
F)02-48
C)02-56
A)02-43
B)02-45
A)02-43
B)02-45
E)02-47
Logs A)02-43, C)02-56, and B)02-45 in position
C)02-56
5) Place the Middle Left Log C)02-56 on the two pins as
shown.
Regency U31-3 Gas Fireplace Insert 15
INSTALLATION
10) Place the embers and Rockwool on the exposed front
burner tray.
9) Place Front Left Log G)02-44 onto the 2 front pins as
shown.
G)02-44
F)02-48
B)02-45
Bracket
A)02-43
Front edge of
rear burner
The bottom right edge of Log F)02-48 must sit snugly against
the bracket and the front edge of the rear burner.
Side View
11) Separate platinum embers and place on and around
the embers and rockwool on the burner tray. Avoid
stacking platinum embers.
12) Test fi re to ensure proper light off (make sure fl ame
ows smoothly from one end of burner to the other. If
there is any fl ame hesitation, check that area for any
blockage of the burner port.
The "02" refer numbers (i.e. 02-43) are
molded into the rear of each log.
A) 02-43 D) 02-46 G) 02-48
C) 02-44 B) 02-56 F) 02-47 E) 02-45
16 Regency U31-3 Gas Fireplace Insert
INSTALLATION
Diagram 4
Diagram 5
Rear View: Trim Assembly
Diagram 2
Diagram 3
Rear View: Faceplate Assembly
Diagram 1
FACEPLATE & TRIM
INSTALLATION
1) Lay the faceplate panels at, face down on
something soft so they don't scratch.
2) Take the top faceplate and align the holes in
it with the holes in the side panels. Using the
screws provided, attach from the top of the
panel (the holes in the top panel are slightly
larger than the holes in the side panel to
facilitate easier installation). Diagram 1.
Hint: Don't tighten the screws down com-
pletely at this point, continue on with steps
3 and 4 and do a trial t to the unit. Make
any necessary adjustments and when it ts
properly then tighten down the screws.
Hearth Trim Option: Hearth Trim is an
option that can be used to nish off the
installation when the bottom of the replace
is higher than the hearth or to raise the re-
place. Attach the Hearth Trim to the bottom
of the faceplate side panels with the screws
provided. See Diagram 1.
3) Using the connectors provided, join the left
side trim (with the ON/OFF switch) to the
top trim. Diagram 2. Connect the right side
trim to the top trim.
4) Place the trim on the assembled faceplate
panels, aligning the wire connections from
the switches with the notch on the left side
panel.
5) Connect the fan switch wires by taking the
black and red wires with the male ends (in
the grey harness) and connect them with
the wire connectors from the fan speed
control.
6) Connect the ON/OFF switch wires by taking
the black and red wires with the female ends
and connect them to the ON/OFF switch.
7) Tuck the wires into the faceplate to keep
them away from the insert using the clip
provided. Attach the clip to the rear of the
faceplate to ensure that the wires do not
touch the side of the unit. Diagram 3.
8) The power cord should be run behind the
faceplate panel.
9) Attach the brass trim to the faceplate by
drilling a 1/8" hole through into the faceplate
using the hole in the trim as a guide. Fasten
the trim to the faceplate panels using the
plated screws. Diagram 4.
10) Attach the faceplate panels to the insert
body using the 4 remaining black screws.
Diagram 5.
11) Push the Regency logo plate into the two
holes in the bottom left corner of the face-
plate.
Regency U31-3 Gas Fireplace Insert 17
INSTALLATION
FLUSH FRONT
INSTALLATION
1) Install Logs before going on to the next step. See
the Log Installation instruction sheet or page 9.
2) Install the bottom glass trim by hooking the trim
into the lip on the rebox base. The trim will not
t into place if the glass is installed rst.
3) Place the bottom of the ush glass behind the
bottom glass trim.
FLUSH LOUVERS
MESH GUARD INSTALL
4) Secure the glass with the two glass clips at the
top corners of the glass. Secure glass clips with
the screws provided. Do not over tighten as this
could break the glass.
5) Slide in the top glass trim under the spring clips.
1) The Top Louver is held in place by friction
t, if the Louver needs to be adjusted; bend
the bracket out as shown in the diagram.
Line up hooks on mesh guard with slots on unit.
Slide mesh guard down into slots until securely
in place.
2) Install the Spring Hinges on the left and right
side of the bottom of the Firebox using 2
screws per hinge.
Bottom Louver
Hinge
Location
3) Place the Bottom Louver near the hinge. Flip
hinge over the Bottom Louver and secure
using 3 screws.
Mesh Guard
18 Regency U31-3 Gas Fireplace Insert
INSTALLATION
WIRING DIAGRAM
This heater does not require a 120V A.C. supply for operation. In case of a power failure, the burner switch and the optional remote control/thermostat will
continue to operate. However, a 120V A.C. power supply is needed for the fan/blower operation.
CAUTION: Label all wires prior
to disconnection when servic-
ing controls. Wiring errors can
cause improper and dangerous
operation.
WARNING: Electrical Grounding Instructions
This appliance is equipped with a three pronged (grounding) plug for your protection against shock hazard and should
be plugged directly into a properly grounded three-prong receptacle. Do not cut or remove the grounding prong from
this plug.
Caution: Ensure that the wires do
not touch any hot surfaces and are
away from sharp edges.
Burner
ON
OFF
Piezo
Ignitor
To
Pilot
Gas
Remote Transmitter
(Optional)
Thermostat
(Millivolt)
(Optional)
Remote
Receiver
(Optional)
(Millivolt)
ONOFF
Regency
Vent Spill
Switch
(Auto Reset)
Ground Green
Neutral
Live
Red Black Black
Black
Black
Red
Red
Brown
White
Minimum Convection
Air Temp. Switch
Ground
ON OFF
Rotary Speed
Control
120V AC
Fan
Lockwasher
Ground wire
from power cord
Ground wire
from fan
Star washer
nut
nut
Star washer
Grounding
Lug Detail
H
I
L
O
O
F
F
O
N
PI
L
O
T
"S.I.T" Valve
Gas
In
Pilot
Assembly
Gas Pilot
Thermopile
Thermocouple
Electrode
ValveTo
Regency U31-3 Gas Fireplace Insert 19
INSTALLATION
FULL SCREEN FRONT
1) Hold the full screen door up against the unit in order to make the
following wire connections.
Pull the ON/OFF connector wires from the rebox and connect them
to the switch.
Connect the fan switch wires with the wire connectors from the fan
speed control. Place clips over wires and tuck into side trim.
2) Lift unit up slightly and push down on the corners of the Bottom Trim
Bracket and slide under unit. Unit should touch tabs on Bottom Trim
Bracket.
Bottom Trim Bracket
Push in Corners
3) Completely secure the full screen door to the unit by securing 4
screws to the Left and Right Side Trims.
.
NOTE: When mounting the full screen door to the unit, the inside
ange of the side trims are to t over the inner side of the unit ange
and NOT next to the outer side of the unit ange.
Inside ange of Side Trim goes over
the inner side of the unit ange.
20 Regency U31-3 Gas Fireplace Insert
INSTALLATION
1) Align the left side Faceplate Trim Bracket with the Firebox Flange
and secure using 2 screws as shown in diagram 1. Repeat for right
side.
Faceplate Trim
Bracket
Firebox
Flange
Blanking Plate
Flanges
3) Hold the Faceplate Trim up against the unit in order to make the
following wire connections.
Pull the ON/OFF connector wires from the rebox and connect
them to the switch.
Connect the fan switch wires with the wire connectors from the fan
speed control. Place clips over wires and tuck into side trim.
for gas
connection Self-adhesive
wire clip
ON/OFF
switch
wires to
ON/OFF
switch wires to
Fan switch
connectors
Fan Speed
Switch
(Rear View)
IMPORTANT NOTE:
When using the Surround, the unit must be set 1" further into the replace
than the standard faceplate installation. See the diagrams below for the
correct minimum replace opening requirements.
C
L
16”
21”
29”
f
EXCALIBUR SURROUND
INSTALLATION
2) Align the cut-outs in the Blanking Plate with the pins located on the
inside top of the rebox. Slide the Blanking Plate into position ensuring
it goes under the 2 anges.
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Regency Fireplace Products I31-NG3 Installation guide

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