Reznor VPS Installation guide

VPS
Reznor
Brand
Reznor
Model
VPS
Type
Installation guide

This manual is also suitable for

Revision: VCS-VCT-VPS-VPT-IOM (10-23) 1042552-D
GAS-FIRED LOW-INTENSITY TUBULAR RADIANT HEATER
INSTALLATION, OPERATION, AND MAINTENANCE
Supersedes: VCS-VCT-VPS-VPT-IOM (08-23) 1042552-C
MODELS VCS, VCT, VPS, AND VPT
 ⚠ DANGER ⚠ 
FIRE OR EXPLOSION HAZARD
• Failure to follow safety warnings exactly could result in serious injury, death, or property
damage.
• Improper installation, adjustment, alteration, service, or maintenance can cause serious injury,
death, or property damage.
• Installation and service must be performed by a qualified installer, service agency, or the
gas supplier.
• Be sure to read and understand the installation, operation, and service instructions in this
manual.
• Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or
any other appliance.
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 building.
• Leave the building immediately.
• Immediately call your gas supplier from a phone remote from the building. Follow the gas
supplier’s instructions.
• If you cannot reach your gas supplier, call the fire department.
DO NOT DESTROY. PLEASE READ CAREFULLY. KEEP IN A SAFE PLACE FOR FUTURE REFERENCE.
2VCS-VCT-VPS-VPT-IOM (10-23) 1042552-D
TABLE OF CONTENTS
GENERAL INFORMATION ................................................................... 3
References .............................................................................. 3
Important Safety Information................................................................. 3
Warranty ................................................................................ 4
Model Application ......................................................................... 4
Certification .............................................................................. 4
Installation Codes ......................................................................... 4
Heater Location........................................................................... 5
Hazards of Chlorine ..................................................................... 5
Mounting Height Requirements ............................................................ 5
Weights ................................................................................. 5
Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Clearances .............................................................................. 6
SYSTEM CONFIGURATIONS ................................................................. 8
INSTALLATION ........................................................................... 16
Unpacking and Inspection.................................................................. 16
Pre-Installation Checklist................................................................... 16
Heater Assembly......................................................................... 17
Heater Suspension ....................................................................... 20
Vent Connections ........................................................................ 21
Vertical Venting ....................................................................... 23
Horizontal Venting ..................................................................... 23
Fresh Air Intake ....................................................................... 25
Piping Connections ....................................................................... 25
Gas Supply Pressure ................................................................... 25
Gas Supply Piping ..................................................................... 26
Supply Piping Connections .............................................................. 27
Electrical Connections..................................................................... 29
CONTROLS .............................................................................. 29
Pressure Switch ......................................................................... 29
Combination Gas Valve.................................................................... 29
Ignition Controller ........................................................................ 29
OPERATION ............................................................................. 30
Pre-Startup Checklist ..................................................................... 30
Startup................................................................................. 30
Measure and Adjust Manifold Gas (Outlet) Pressure ............................................. 31
Post-Startup Checklist..................................................................... 32
MAINTENANCE........................................................................... 33
Service Checklist......................................................................... 33
Maintenance Procedures .................................................................. 34
Burner Maintenance .................................................................... 34
Fan and Motor Assembly Maintenance ..................................................... 35
Combination Gas Valve Maintenance ...................................................... 36
Ignition Controller Replacement ........................................................... 38
Pressure Switch Replacement ............................................................ 38
TROUBLESHOOTING...................................................................... 39
General Troubleshooting................................................................... 39
Troubleshooting Using Ignition Controller ...................................................... 39
APPENDIX: MULTIPLE UNIT WIRING CONNECTIONS (MODELS VCT AND VPT) ..................... 40
INSTALLATION RECORD (TO BE COMPLETED BY INSTALLER) .................................. 44
3
VCS-VCT-VPS-VPT-IOM (10-23) 1042552-D
GENERAL INFORMATION
•This heater has been tested for capacity and efficiency so as to provide many years of safe and dependable comfort
providing it is properly installed and maintained. With regular maintenance, this unit will operate satisfactorily year
after year. Abuse, improper use, and/or improper maintenance can shorten the life of the appliance and create
unsafe hazards.
•To achieve optimum performance and minimize equipment failure, it is recommended that periodic maintenance
be performed on this unit. The ability to properly perform maintenance on this equipment requires certain tools
and mechanical skills.
•This manual applies only to the models listed. Accessories referenced may not apply to all models.
References
Table 1. Related Technical Manuals Available from Factory Distributor
Type Form PN*
Replacement parts VCS-VCT-VPS-VPT-RPL 1042553
Hanger kit installation VCS-VCT-VPS-VPT-CK11-CK31 D270722
Turnbuckle kit installation VCS-VCT-VPS-VPT-CK12-CK40 270712
Combustion air inlet kit installation VCS-VCT-VPS-VPT-DE1-DE2 270688
High-elevation conversion kit installation VCS-VCT-VPS-VPT-DJ20 270687
Gas conversion kit installation VCS-VCT-VPS-VPT-DL2 1042554
*Also available at www.reznorhvac.com.
Important Safety Information
Please read all information in this manual thoroughly and become familiar with the capabilities and use of your
appliance before attempting to operate or maintain this unit. Pay attention to all dangers, warnings, cautions, and
notes highlighted in this manual. Safety markings should not be ignored and are used frequently throughout to
designate a degree or level of seriousness.
DANGER: A danger statement describes a potentially hazardous situation that if not avoided, will result in severe
personal injury or death and/or property damage.
WARNING: A warning statement describes a potentially hazardous situation that if not avoided, can result in severe
personal injury and/or property damage.
CAUTION: A caution statement describes a potentially hazardous situation that if not avoided, can result in minor
or moderate personal injury and/or property damage.
NOTE: A note provides important information that should not be ignored.
⚠ WARNING ⚠
• Gas-fired appliances are not designed for use in hazardous atmospheres containing flammable
vapors or combustible dust, in atmospheres containing chlorinated or halogenated hydrocarbons,
or in applications with airborne silicone substances.
• Should overheating occur, or the gas supply control system fail to shut off the flow of gas, shut
off the manual gas valve to the unit before shutting off the electrical supply.
• Do not use this appliance if any part has been under water. Immediately call a qualified service
technician to inspect the appliance and replace any gas control that has been under water.
• Installation should be done by a qualified agency in accordance with these instructions. The
qualified service agency installing this heater is responsible for the installation.
• This appliance is not intended for use by persons with reduced physical, sensory, or mental
capabilities or lack of experience and knowledge, unless they have been given supervision or
instruction concerning use of the appliance by a person responsible for their safety.
• Children should be supervised to ensure that they do not play with the appliance.
4VCS-VCT-VPS-VPT-IOM (10-23) 1042552-D
GENERAL INFORMATION—CONTINUED
Important Safety Information—Continued
⚠ CAUTION ⚠
• Never rest anything—especially a ladder—against the heater.
• To prevent damage to the unit or to its internal components, it is recommended that two wrenches
be used when loosening or tightening nuts. DO NOT OVERTIGHTEN!
Warranty
Refer to the limited warranty form in the literature bag provided with the unit. The warranty is void if:
•Wiring is not in accordance with the diagram furnished with the heater.
•The unit is installed without proper clearance to combustible materials.
•Correct turbulator or burner insert is missing or incorrectly installed.
Model Application
Table 2. Model Application
Model Burner Tube Length (Feet) Application
VCS Single-stage 20–80 Harsh environment, indoor non-
residential or outdoor
VCT Low- and high-fire 20–70
VPS Single-stage 20–80 Indoor commercial/industrial
VPT Low- and high-fire 20–70
Certification
•These heaters are approved for use in the United States and Canada by the Canadian Standards Association
(CSA). Models VCS and VCT are designed for outdoor or non-residential indoor spaces. Models VPS and VPT are
designed for non-residential indoor spaces. Standard heaters are approved for installation elevations of 0–2,000
feet (0–610 meters) for the US and 0–4,500 feet (0–1,370 meters) for Canada. Conversion kits are available for
installations above these elevations in the US.
•All models and unit sizes are available for use with natural gas. Unit sizes 60–170 are available for use with propane
gas. Gas conversion kits are available for converting natural gas units to propane.
•The type of gas, the gas input rate, and the electrical supply requirements are shown on the heater rating plate.
Check the rating plate to verify that the heater is appropriate for the installation site.
Installation Codes
•These units must be installed in accordance with local building codes. In the absence of local codes, in the United
States, the unit must be installed in accordance with the National Fuel Gas Code (ANSI Z223.1/NFPA 54). A
Canadian installation must be in accordance with the Natural Gas and Propane Installation Code (CSA B149). This
code is available from CSA Information Services, 1-800-463-6727. Local authorities having jurisdiction should be
consulted before installation is made to verify local codes and installation procedure requirements.
•Installations in aircraft hangars should be in accordance with the Standard for Aircraft Hangars (ANSI/NFPA No.
409, latest edition). Installations in public garages should be in accordance with the Standard for Parking Structures
(ANSI/NFPA No. 88A, latest edition). Installations in repair garages should be in accordance with the Standard
for Repair Garages (ANSI/NFPA No. 88B, latest edition). In Canada, installations in aircraft hangars should be
in accordance with the requirements of the enforcing authorities, and in public garages, in accordance with the
CSA B149 code.
•If the heater is being installed in the Commonwealth of Massachusetts, installation must be performed by a licensed
plumber or licensed gas fitter.
5
VCS-VCT-VPS-VPT-IOM (10-23) 1042552-D
Heater Location
⚠ CAUTION ⚠
• Heaters should not be used in an application where the heated space temperature is below 40°F
(4°C). Operating under low ambient conditions may cause condensation to form in the heat
exchanger.
• Do not locate the heater where it may be exposed to water spray, rain, or dripping water.
Hazards of Chlorine
NOTE: Remember, chlorine is heavier than air. This fact should be kept in mind when determining
the installation location of heaters and building exhaust systems.
The presence of chlorine vapors in the combustion air of heating equipment presents a potential corrosion hazard.
Chlorine, found usually in the form of Freon or degreaser vapors, when exposed to flame will precipitate from the
compound and form a solution with any condensation present in the heat exchanger or associated parts. The result
is hydrochloric acid, which readily attacks all metals, including 300 grade stainless steel. Care should be taken to
separate these vapors from the combustion process. This may be done by wise location of the unit with regard to
exhausters or prevailing wind directions.
Mounting Height Requirements
⚠ WARNING ⚠
If touched, the vent pipe and internal heater surfaces that are accessible from outside the heater
will cause burns. Suspend the heater a minimum of 12 feet (3.7 meters) above the floor.
NOTE: Suspended heaters are most effective when located as close to the working zone as
possible, and this fact should be kept in mind when determining the mounting heights to be used.
Table 3. Minimum and Recommended Mounting Heights
Suspension
Bracket
Configuration
Height
Unit Size (MBTUh)
60, 80 100, 125 150, 170 200
Feet (Meters)
Standard Minimum 12 (3.7) 14 (4.3) 16 (4.9) 18 (5.5)
Recommended 14 (4.3) 16 (4.9) 18 (5.5) 20 (6.1)
Angled Minimum 10 (3.0) 12 (3.7) 14 (4.3) 16 (4.9)
Recommended 11 (3.4) 13 (4.0) 15 (4.6) 17 (5.2)
Weights
To determine the actual weight of the system, add the collective weight of each component (refer to Table 4).
Table 4. Weights
Component Description
Model
VCT VCS VPT VPS
Pounds (kg)
Burner cabinet 38 (17.2) 34 (15.3) 29 (13.3) 25 (11.5)
Emitter tube with reflector 5-foot 7 (3.2)
10-foot 13 (5.9)
Tube section L-tube 10 (4.5)
U-tube 13 (5.9)
Brackets and couplers @3–10 (@2–5)
6VCS-VCT-VPS-VPT-IOM (10-23) 1042552-D
Figure 1. Dimensions
Clearances
⚠ DANGER ⚠
• All listed minimum clearances to combustible materials MUST be adhered to at all times. Adequate
clearance MUST be provided around air openings into the combustion chamber, and there MUST
be suitable clearance for accessibility and for combustion/ventilation air.
• Minimum clearance from the heater must be maintained from vehicles parked below heater. In all
situations, clearances to combustibles must be maintained. Signs should be posted in storage
areas to specify maximum stacking height to maintain required clearance to combustibles.
Such signs must either be posted adjacent to the heater thermostats or—in the absence of such
thermostats—in a conspicuous location.
⚠ CAUTION ⚠
Building materials with low heat tolerance (plastics, vinyl siding, canvas, tri-ply, etc.) may be subject
to degradation at lower temperatures. It is the installer’s responsibility to ensure that adjacent
materials are protected from degradation.
Clearance to combustibles is defined as the minimum distance from the heater to a surface or object for which it is
necessary to ensure that a surface temperature of 90°F (50°C) above the surrounding ambient temperature is not
exceeded. Units must be installed so that clearances are in accordance with Figure 2 and Table 5.
GENERAL INFORMATION—CONTINUED
Dimensions
Refer to the SYSTEM CONFIGURATIONS section for tube assembly dimensions of specific systems. Burner cabinet
dimensions are shown in Figure 1.
15-1/2
(394)
11-1/4
(286)
16-1/4
(413)
11-1/4
(286)
VCS
VCT
VPT
VPS
10-1/4
(260)
4-1/4 (108)
4-1/4 (108)
7
(178)
8-1/4
(210) 6-3/4
(171)
4-1/4 (108)
4-1/4 (108)
9-3/4
(248)
8-1/2
(216)
2-1/8 (54)
ELECTRIC
ELECTRIC
GAS
GAS
7
VCS-VCT-VPS-VPT-IOM (10-23) 1042552-D
Figure 2. Clearances (Refer to Table 5)
END VIEW END VIEW (ANGLED INSTALLATION)
SIDE VIEW
OUTLET END VIEW (L-TUBE HEATER) RETURN END VIEW (U-TUBE HEATER)
A
B
C
D
B
E
FG
H
K
J
L
BELOW
HEATER
SIDE
VENTED
0–55°
ABOVE
BURNER
SERVICE
DISTANCE
ABOVE
REFLECTOR
ABOVE
OUTLET
UNVENTED
END
UNVENTED
SIDE
UNVENTED
E
H
ABOVE
BURNER
SERVICE
DISTANCE
8VCS-VCT-VPS-VPT-IOM (10-23) 1042552-D
SYSTEM CONFIGURATIONS
Refer to the following tables and figures for system configuration and assembly details.
NOTE: Bends must be fitted at a distance of at least 50% of the total heat exchanger length—e.g.,
for a 60-foot long heater, 30 feet is the closest to the burner a bend can be.
GENERAL INFORMATION—CONTINUED
Clearances—Continued
Table 5. Clearances
Unit
Size
Dimension (See Figure 2)
A B C D E F G H J K L
Inches (cm)
60, 80
74 (188)
29 (74) 72 (183) @ 15°
68 (173) @ 25°
61 (155) @ 35°
53 (135) @ 45°
43 (110) @ 55° 20 (51)
10 (26)*
8 (21)
22 (56) 12 (31)
41 (105) 8 (21) 12 (31)
100 32 (82) 16 (41)
125 39 (99) 47 (120) 20 (51) 18 (46)
150 48 (122)
170, 200 86 (219) 48 (122)
82 (209) @ 15°
78 (199) @ 25°
71 (181) @ 35°
61 (155) @ 45°
50 (127) @ 55°
11 (28) 48 (122) 20 (51)
*With end caps installed.
Table 6. Tube Arrangements
Model
Unit Size (MBTUh)
60 80 100 125 150 170, 200
See Figure 3
VCS, VPS S20, S30, S40,
U20, U40
S30, S40,
U40
S30, S40,
S50, U40
S30, S40, S50,
S60, U40, U60
S40, S50, S60,
S70, U40, U60
S50, S60, S70,
S80, U60, U80
VCT, VPT S30, S40,
U40
S30, S40,
S50, U40
S40, S50, S60,
U40, U60
S50, S60,
S70, U60
NOTE: All models and unit sizes may be configured with one or two L-tubes or with a 5-foot tube section.
Table 7. Turbulator Applicability
Tube Arrangement Gas Type Model Unit Size (MBTUh) Quantity
S20 NG or LP All 60 3
S30 NG or LP All
80, 100 3
125 5
LP 100 4
S40 NG or LP All 125, 150 4
S50
NG All 200 4
LP VCS, VCT, VPS 170 2
VPT 200 2
U20 NG or LP All 60 1
VCS, VPS 80 3
U40 NG or LP All 150 4
Table 8. Burner Insert Applicability (Natural Gas Units)
Size Tube Arrangement Model Unit Size (MBTUh) Quantity
3-foot S30, S40, S50, S60, U40, U60 VCS, VCT, VPS 125
1
S30, S40, S50, U40, U60 VPT 125
5-foot
S20 All 60
S30, S40, U40 All 60, 80, 100
S50 All 100
U20 VCT, VPT 60
U20 VCS, VPS 60, 80
9
VCS-VCT-VPS-VPT-IOM (10-23) 1042552-D
Figure 3. Tube Arrangements
S20
S30
S40
S50
S60
S70
U20
U40
U60
S80
U80
10 VCS-VCT-VPS-VPT-IOM (10-23) 1042552-D
SYSTEM CONFIGURATIONS—CONTINUED
Figure 4. Assembly Overview—S20 and S30
PALREVO ROTCELFER "9-"6
COUPLER
BURNER
END CAP
(OPTIONAL)
TWO FO LACIPYT SROTCELFER "3 '01
END CAP
(OPTIONAL)
BURNER INSERT
NEEWTEB ECNATSID
SUSPENSION POINTS
NOT TO EXCEED 12'
H (S20)TGNEL DELBMESSA LLAREVO LANIMON "½6'12
6"
4"
REFLECTOR BRACKET
NON-SLIP OVERLAP
SUSPENSION BRACKET SUSPENSION BRACKET
TEKCARB NOISNEPSUS
PLUS TUBE STRAP
REFLECTOR BRACKET
SLIP OVERLAP
TURBULATOR(S)
6" REFLECTOR OVERLAP 6" REFLECTOR OVERLAP
BURNER
H (S30)TGNEL DELBMESSA LLAREVO LANIMON "½6'13
THREE FO LACIPYT SROTCELFER "3 '01
6"
4"
BURNER INSERT
SUSPENSION BRACKET SUSPENSION BRACKET SUSPENSION BRACKET
END CAP
(OPTIONAL)
NEEWTEB ECNATSID
SUSPENSION POINTS
NOT TO EXCEED 12'
END CAP
(OPTIONAL)
TEKCARB NOISNEPSUS
PLUS TUBE STRAP
COUPLER TURBULATOR(S)
REFLECTOR BRACKET
NON-SLIP OVERLAP
REFLECTOR BRACKET
SLIP OVERLAP
COUPLER
REFLECTOR BRACKET
NON-SLIP OVERLAP
11
VCS-VCT-VPS-VPT-IOM (10-23) 1042552-D
Figure 5. Assembly Overview—S40 and S50
BURNER
6"
4"
H (S40)TGNEL DELBMESSA LLAREVO LANIMON "½6'14
'21 DEECXE OT OTN STNIOP NOISNEPSUS NEEWTEB ECNATSID
10'3" REFLECTORS
TYPICAL OF FOUR
6" REFLECTOR
OVERLAP
3" REFLECTOR
OVERLAP
6" REFLECTOR
OVERLAP
BURNER INSERT
END CAP
(OPTIONAL)
TEKCARB NOISNEPSUS
PLUS TUBE STRAP
TURBULATOR(S)
COUPLER
COUPLERCOUPLER
REFLECTOR BRACKET
NON-SLIP OVERLAP
REFLECTOR BRACKET
NON-SLIP OVERLAP
REFLECTOR BRACKET
SLIP OVERLAP
REFLECTOR BRACKET
SLIP OVERLAP
SUSPENSION BRACKET SUSPENSION BRACKET SUSPENSION BRACKET
SUSPENSION BRACKET
END CAP
(OPTIONAL)
BURNER
6"
4"
H (S50)TGNEL DELBMESSA LLAREVO LANIMON "½6'15
10'3" REFLECTORS
TYPICAL OF FIVE
BURNER INSERT
6" REFLECTOR
OVERLAP
6" REFLECTOR
OVERLAP
3" REFLECTOR
OVERLAP
3" REFLECTOR
OVERLAP
END CAP
(OPTIONAL)
TEKCARB NOISNEPSUS
PLUS TUBE STRAP
TEKCARB NOISNEPSUS TEKCARB NOISNEPSUS TEKCARB NOISNEPSUS TEKCARB NOISNEPSUS
TEKCARB NOISNEPSUS
COUPLER COUPLER COUPLER COUPLER
REFLECTOR BRACKET
NON-SLIP OVERLAP
REFLECTOR BRACKET
NON-SLIP OVERLAP
REFLECTOR BRACKET
NON-SLIP OVERLAP
REFLECTOR BRACKET
SLIP OVERLAP
REFLECTOR BRACKET
SLIP OVERLAP
'21 DEECXE OT OTN STNIOP NOISNEPSUS NEEWTEB ECNATSID
END CAP
(OPTIONAL)
TURBULATOR(S)
12 VCS-VCT-VPS-VPT-IOM (10-23) 1042552-D
SYSTEM CONFIGURATIONS—CONTINUED
Figure 6. Assembly Overview—S60 and S70
BURNER
6"
4"
H (S60)TGNEL DELBMESSA LLAREVO LANIMON "½6'16
10'3" REFLECTORS
TYPICAL OF SIX
6" REFLECTOR
OVERLAP
END CAP
(OPTIONAL)
TEKCARB NOISNEPSUS
PLUS TUBE STRAP
TEKCARB NOISNEPSUS
END CAP
(OPTIONAL)
TEKCARB NOISNEPSUS TEKCARB NOISNEPSUS TEKCARB NOISNEPSUS TEKCARB NOISNEPSUS TEKCARB NOISNEPSUS
6" REFLECTOR
OVERLAP
3" REFLECTOR
OVERLAP
3" REFLECTOR
OVERLAP
3" REFLECTOR
OVERLAP
'21 DEECXE OT OTN STNIOP NOISNEPSUS NEEWTEB ECNATSID
COUPLER COUPLER COUPLER COUPLER COUPLER
REFLECTOR BRACKET
NON-SLIP OVERLAP
REFLECTOR BRACKET
NON-SLIP OVERLAP
REFLECTOR BRACKET
NON-SLIP OVERLAP
REFLECTOR BRACKET
SLIP OVERLAP
REFLECTOR BRACKET
SLIP OVERLAP
REFLECTOR BRACKET
SLIP OVERLAP
BURNER INSERT
BURNER
6"
4"
COUPLER COUPLER COUPLER COUPLER COUPLER COUPLER
71'6-1/2" NOMINAL OVERALL ASSEMBLED LENGTH (S70)
10'3" REFLECTORS
TYPICAL OF SEVEN
DISTANCE BETWEEN SUSPENSION POINTS NOT TO EXCEED 12'
SUSPENSION BRACKET SUSPENSION BRACKET SUSPENSION BRACKET SUSPENSION BRACKET SUSPENSION BRACKET SUSPENSION BRACKET
SUSPENSION BRACKET
SUSPENSION BRACKET
PLUS TUBE STRAP 6" REFLECTOR
OVERLAP
6" REFLECTOR
OVERLAP
3" REFLECTOR
OVERLAP
3" REFLECTOR
OVERLAP
3" REFLECTOR
OVERLAP
3" REFLECTOR
OVERLAP
REFLECTOR BRACKET
NON-SLIP OVERLAP
REFLECTOR BRACKET
NON-SLIP OVERLAP
REFLECTOR BRACKET
NON-SLIP OVERLAP REFLECTOR BRACKET
NON-SLIP OVERLAP
REFLECTOR BRACKET
SLIP OVERLAP
REFLECTOR BRACKET
SLIP OVERLAP
REFLECTOR BRACKET
SLIP OVERLAP
END CAP
(OPTIONAL)
END CAP
(OPTIONAL)
13
VCS-VCT-VPS-VPT-IOM (10-23) 1042552-D
Figure 7. Assembly Overview—S80
BURNER
6"
4"
H (S80)TGNEL DELBMESSA LLAREVO LANIMON "½6'18
10'3" REFLECTORS
TYPICAL OF EIGHT
REFLECTOR BRACKET
NON-SLIP OVERLAP
END CAP
(OPTIONAL)
SUSPENSION BRACKET
PLUS TUBE STRAP
'21 DEECXE OT OTN STNIOP NOISNEPSUS NEEWTEB ECNATSID
6" REFLECTOR
OVERLAP
6" REFLECTOR
OVERLAP
3" REFLECTOR
OVERLAP
3" REFLECTOR
OVERLAP
3" REFLECTOR
OVERLAP
3" REFLECTOR
OVERLAP
3" REFLECTOR
OVERLAP
SUSPENSION BRACKET SUSPENSION BRACKET SUSPENSION BRACKET SUSPENSION BRACKET SUSPENSION BRACKET SUSPENSION BRACKET SUSPENSION BRACKET SUSPENSION BRACKET
COUPLER COUPLER COUPLER COUPLER COUPLER COUPLER COUPLER
REFLECTOR BRACKET
NON-SLIP OVERLAP
REFLECTOR BRACKET
NON-SLIP OVERLAP
REFLECTOR BRACKET
NON-SLIP OVERLAP
REFLECTOR BRACKET
SLIP OVERLAP
REFLECTOR BRACKET
SLIP OVERLAP
REFLECTOR BRACKET
SLIP OVERLAP
REFLECTOR BRACKET
SLIP OVERLAP
END CAP
(OPTIONAL)
14 VCS-VCT-VPS-VPT-IOM (10-23) 1042552-D
SYSTEM CONFIGURATIONS—CONTINUED
Figure 8. Assembly Overview—U20 and U40
COUPLER
BURNER
6"
4"
10'3" REFLECTORS TYPICAL OF TWO
DISTANCE BETWEEN
SUSPENSION POINTS
NOT TO EXCEED 12'
H (U20)TGNEL DELBMESSA LLAREVO LANIMON "½1'21
BURNER INSERT
3'3"
TEKCARB NOISNEPSUS
END CAP
(OPTIONAL)
SUSPENSION BRACKETSUSPENSION BRACKET
PLUS TUBE STRAP
REFLECTOR BRACKET
NON-SLIP OVERLAP
TEKCARB NOISNEPSUS
R BRACKETOTCELFER
PALREVO
PILS-NON
TURBULATOR(S)
COUPLER
6"-9" REFLECTOR OVERLAPS
6"
4"
10'3" REFLECTORS TYPICAL OF FOUR
H (U40)TGNEL DELBMESSA LLAREVO LANIMON "½1'22
3'3"
SUSPENSION BRACKET
PLUS TUBE STRAP
TEKCARB NOISNEPSUS
END CAP
(OPTIONAL)
DISTANCE BETWEEN
SUSPENSION POINTS
NOT TO EXCEED 12'
TEKCARB NOISNEPSUS TEKCARB NOISNEPSUS
COUPLER
R BRACKETOTCELFER
PALREVO PILS-NON
R BRACKETOTCELFER
PALREVO
PILS
REFLECTOR BRACKET
SLIP OVERLAP
SUSPENSION BRACKET
REFLECTOR BRACKET
NON-SLIP OVERLAP
COUPLER
BURNER INSERT
TURBULATOR(S)
BURNER
SUSPENSION BRACKET
COUPLER
COUPLER
15
VCS-VCT-VPS-VPT-IOM (10-23) 1042552-D
Figure 9. Assembly Overview—U60 and U80
6–9" REFLECTOR OVERLAP
6"
4"
10'3" REFLECTORS TYPICAL OF SIX
DISTANCE BETWEEN SUSPENSION POINTS NOT TO EXCEED 12'
H (U60)TGNEL DELBMESSA LLAREVO LANIMON "½1'23
3'3"
6" REFLECTOR OVERLAP
TEKCARB NOISNEPSUS
END CAP
(OPTIONAL)
BURNER
SUSPENSION BRACKET
PLUS TUBE STRAP
TEKCARB NOISNEPSUS TEKCARB NOISNEPSUS TEKCARB NOISNEPSUS
SUSPENSION BRACKET SUSPENSION BRACKET SUSPENSION BRACKET
REFLECTOR BRACKET
NON-SLIP OVERLAP
REFLECTOR BRACKET
NON-SLIP OVERLAP
R BRACKETOTCELFER
PALREVO PILS-NON
REFLECTOR BRACKET
SLIP OVERLAP
R BRACKETOTCELFER
SLIP OVERLAP
BURNER INSERT
R BRACKETOTCELFER
PALREVO PILS-NON
COUPLER COUPLER
COUPLER
COUPLER COUPLER
COUPLER
6"
4"
10'3" REFLECTORS TYPICAL OF EIGHT
H (U80)TGNEL DELBMESSA LLAREVO LANIMON "½1'24
3'3"
6" REFLECTOR OVERLAP 3" REFLECTOR OVERLAP6–9" REFLECTOR OVERLAP
SUSPENSION BRACKET
END CAP
(OPTIONAL)
BURNER
SUSPENSION BRACKET
TEKCARB NOISNEPSUS
NOISNEPSUS NEEWTEB ECNATSID
POINTS NOT TO EXCEED 12'
SUSPENSION BRACKET SUSPENSION BRACKET SUSPENSION BRACKET SUSPENSION BRACKET
SUSPENSION BRACKET
PLUS TUBE STRAP
REFLECTOR BRACKET
NON-SLIP OVERLAP
REFLECTOR BRACKET
NON-SLIP OVERLAP
REFLECTOR BRACKET
SLIP OVERLAP
REFLECTOR BRACKET
PALREVO PILS-NON
TEKCARB NOISNEPSUS TEKCARB NOISNEPSUS
REFLECTOR BRACKET
PALREVO PILS-NON
REFLECTOR BRACKET
SLIP OVERLAP
REFLECTOR BRACKET
SLIP OVERLAP
COUPLER COUPLER COUPLERS
REFLECTOR BRACKET
SLIP OVERLAP
COUPLERS
COUPLERCOUPLER
16 VCS-VCT-VPS-VPT-IOM (10-23) 1042552-D
INSTALLATION
Unpacking and Inspection
If, upon removing any heater component from its crate, the component has been found to have incurred any damage
in shipment, document the damage with the transporting agency and contact an authorized Factory Distributor. If
you are an authorized Distributor, follow the FOB freight policy procedures.
Pre-Installation Checklist
Check the rating plate for the gas specifications and electrical characteristics of the heater to ensure that they
are compatible with the gas and electric supplies at the installation site.
Read this manual and become familiar with the installation requirements of your particular heater.
If you do not have knowledge of local requirements, check with the local gas company or any other local agencies
who might have requirements concerning this installation.
Before beginning, make preparations for necessary supplies, tools, and manpower.
Check to see if there are any field-installed options (refer to Table 9) that need to be assembled/installed prior
to unit installation. Ensure that all options ordered are at the installation site.
Table 9. Field-Installed Options
Option Description
CC1 Vent cap
CC21 SST vent cap
CD27 Reflector end caps, quantity two (2)
CD37 SST reflector end caps, quantity two (2)
CE1 1/2-inch manual shutoff valve
CE2 3/4-inch manual shutoff valve
CE4 36-inch stainless steel flexible gas connector
CK11 Hanger kit, includes chain and S-hooks
CK31 SST hanger kit, includes chain and S-hooks
CK12–CK18, CK28 Turnbuckle kit to facilitate leveling system
CK32–CK37, CK39, CK40 SST turnbuckle kit to facilitate leveling system
CL1 Single-stage thermostat
CL22 Two-stage thermostat
CL5C Single-stage line voltage thermostat
CM1 Locking cover for CL1 thermostat
CM1B Locking cover for CL22 thermostat
DE1 Combustion air inlet adapter kit for model VPS unit size 200
DE2 Combustion air inlet adapter kit for models VCS, VCT, and VPT
DE5 Wind and rain hood kit for models VCS and VCT
DJ20 High-elevation conversion kit for installations at elevations >2000 feet
DL2 Propane conversion
NB00*Straight tube assembly
NB1U*Tube assembly with one (1) U-tube
NB1L*Tube assembly with one (1) L-tube
NB2L*Tube assembly with two (2) L-tubes
NBUL*Tube assembly with one (1) U-tube and one (1) L-tube
RL20–RL80*20- to 80-foot tube assemblies
TB1 Burner insert, 5-foot
TB2 Burner insert, 3-foot
*The tube assembly options contain tube kits that accommodate the selected length and configuration of the system. Tube kits consist of
reflectors and bracket assemblies, tube assemblies (5- and 10-foot straight tubes, L-tubes, and U-tubes as required), and all necessary
couplers, turbulators, and suspension brackets.
17
VCS-VCT-VPS-VPT-IOM (10-23) 1042552-D
Heater Assembly
⚠ WARNING ⚠
Safety boots and protective gloves and eyewear are recommended.
Systems are shipped disassembled and are comprised of a burner cabinet and tube assemblies. Refer to the SYSTEM
CONFIGURATIONS section for assembly details of specific systems.
NOTE: For aesthetic reasons, it is advisable to position all emitter tube seams facing down and
to install coupling fasteners so that they cannot be seen from beneath the heater.
1. Position emitter tubes on saw horses and mark position of bracket centers.
2. Install turbulator strip(s) as required (refer to Table 7 for applicability and quantity):
a. Interlock turbulator strip sections as shown in Figure 10, DETAIL A and slide connected sections into emitter
tube(s). Add further strips to form required length.
b. Where heater configuration requires more than three turbulator strips and exhaust heat exchanger tube is
adjacent to L- or U-tube, install turbulator strips as shown in Figure 10, DETAIL B.
c. Install turbulator strip into open end of last emitter tube only after it has been suspended and connected to
previous emitter tube.
DETAIL A
DETAIL B
THREE TURBULATOR
STRIPS
TURBULATOR STRIP
VENT
Figure 10. Turbulator Strip Installation
3. Install burner insert(s) as required (refer to Table 8 for applicability and quantity) into first emitter tube from where
it is joined to second emitter tube as shown in Figure 11.
Figure 11. Burner Insert Installation
18 VCS-VCT-VPS-VPT-IOM (10-23) 1042552-D
INSTALLATION—CONTINUED
Heater Assembly—Continued
4. Install couplers to join emitter tubes and L- or U-tubes (see Figure 12):
a. Slide coupler over tube joint.
b. Moving between coupler pins or bolts, apply equal pressure to tighten each in turn. DO NOT OVERTIGHTEN.
c. Complete assembly by installing self-tapping retention zip screws.
Figure 12. Typical Coupler
5. Install brackets:
a. Slide suspension brackets (see Figure 13, DETAIL A) onto emitter tube assembly and position them in
accordance with SYSTEM CONFIGURATIONS section.
b. Install tube strap (see Figure 13, DETAIL B) on suspension bracket that will be closest to burner cabinet:
(1) Loosen tube strap nut and bolt.
(2) Position strap over emitter tube and hook both strap ends onto suspension bracket.
(3) Tighten nut and bolt.
c. Install reflector brackets (see Figure 13, DETAIL C):
(1) Remove bracket nut and bolt.
(2) Position bracket over emitter tube and re-install nut and bolt hand-tightened—nut and bolt will be tightened
after reflectors are installed as bracket positioning may need to be adjusted.
Figure 13. Bracket Installation
6. Install reflectors in accordance with SYSTEM CONFIGURATIONS section:
a. Remove protective plastic from reflector(s) and slide reflectors through suspension brackets until they overlap
each other.
b. Secure reflectors by tightening screws (non-slip overlap) on reflector brackets installed in step 5c as shown
in Figure 14, DETAIL A.
DETAIL A DETAIL B DETAIL C
19
VCS-VCT-VPS-VPT-IOM (10-23) 1042552-D
Figure 14. Non-Slip and Slip Reflector Bracket Overlaps
c. For every other reflector bracket, create slip overlap by not tightening reflector bracket screws (see Figure 14,
DETAIL B) to allow reflector to float for adjustment.
d. Alternate slip with non-slip overlaps over entire length of tube assembly as shown in Figure 15.
e. Install corner reflectors over L- and U-tube sections.
Figure 15. Typical Bracket Configuration
7. Raise tube assembly into position and suspend from previously fixed chains in accordance with Heater Suspension
section. Longer tube assemblies may be raised in more than one subassembly—final emitter tube connection
may be made while tube assembly is suspended.
8. For unit size 200 units with S50 tube configuration, replace fan orifice plate with plate provided with each unit.
Access fan as necessary in accordance with Fan and Motor Assembly Maintenance section.
9. Raise burner cabinet into position, suspend in accordance with Heater Suspension section, and connect to tube
assembly.
10. For system configurations that require them, install end caps:
a. Position end cap beneath reflector with end cap flanges facing inward and secure using four Z-clips (see
Figure 16).
Figure 16. End Cap and Z-Clip
DETAIL B
DETAIL A
MINIMUM
1/8 INCH
BURNER
SUSPENSION
BRACKET
REFLECTOR BRACKET
(NON-SLIP OVERLAP)
REFLECTOR BRACKET
(NON-SLIP OVERLAP)
REFLECTOR BRACKET
(SLIP OVERLAP)
20 VCS-VCT-VPS-VPT-IOM (10-23) 1042552-D
INSTALLATION—CONTINUED
Heater Assembly—Continued
b. For high wind/outdoor applications, use additional drill screws to secure end cap to reflector.
NOTE: Install end caps on either side of each L- and U-tube.
11. For unvented heaters, install 4-inch 90-degree elbow on end of tube assembly terminated with vent cap as
shown in Figure 17. Note that the vent cap may extend below the minimum heater mounting requirement of 8
feet (2.4 meters) above the floor.
Figure 17. Vent Cap on Unvented Heater
Heater Suspension
⚠ DANGER ⚠
• When installed, tubular radiant heaters must be able to expand, must be level, and must be
restricted from too much lateral sway.
• The heater must be level for proper operation. DO NOT place or add additional weight to a
suspended heater.
• Before suspending the heater, check the supporting structure to be used to verify that it has
sufficient load-carrying capacity to support the weight (refer to Weights section) of the unit.
• Heaters should be suspended at a height that has been determined to be most efficient for the
application (refer to Hazards of Chlorine section). Clearances to combustibles must be observed
(refer to Clearances section).
⚠ CAUTION ⚠
• To allow for expansion, the chain length between the suspension point and the heater, including
S-hook(s) and turnbuckle(s) (if used), must be a minimum of 12 inches.
• One chain link consists of two loops. When cutting chain, ensure that the entire two-loop link
is removed.
NOTES:
• In the event that suitable roof steelwork is unavailable, install additional steelwork to enable
vertical hangers to be installed for suspending the heater.
• The use of turnbuckles for heater suspension is recommended for convenience in leveling the
system. Use either a Reznor turnbuckle kit or field-supplied steel, stainless steel, or malleable
iron turnbuckles.
• Each straight tube must have at least one suspension point. The heaters are designed so that
the tube suspension points can be adjusted slightly to adapt to the structure. Straight tubes
downstream and adjacent to an L-tube or U-tube require two suspension points. The installer
is responsible for installing the structure suspension points and for adequately supporting the
weight of the heater. Suspension point hardware is field-supplied.
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Reznor VPS Installation guide

VPS
Reznor
Brand
Reznor
Model
VPS
Type
Installation guide
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