Reznor JT4BE Installation guide
- Category
- Power extensions
- Type
- Installation guide
The Reznor JT4BE is a powerful and versatile infrared heater designed for both indoor and outdoor use, offering efficient and targeted heating solutions for various applications.
The Reznor JT4BE is a powerful and versatile infrared heater designed for both indoor and outdoor use, offering efficient and targeted heating solutions for various applications.
DESCRIPTION:
This accessory kit may be used in NORDYNE
single package air conditioners, heat pumps, air
handlers and E(1,2,3)EB electric furnaces with
cooling coils. The purpose of this kit is to keep the
indoor fan running for a short time (approximate
40 seconds) for increased cooling effi ciency after
the outdoor unit shuts off.
Improper installation may damage equipment
and create a hazard. Persons not qualifi ed for
installations should not interpret these instruc-
tions or install this equipment.
This kit contains the following parts:
(1) Solid State Fan Delay Assembly
(3) Wiring Diagrams
(1) Notice Label
(1) Mounting Screw
(1) Bushing
These instructions are primarily intended to
assist qualifi ed individuals experienced in the
proper installation of this appliance. Some lo-
cal codes require licensed installation/service
personnel for this type of equipment. Read
all instructions carefully before starting the
installation.
Installation Procedure
General
1. Turn off all electrical supply to the air condi-
tioner, heat pump or air handler at the main
circuit box.
2. Remove electrical access panel.
Indoor Fan Delay Kit
Installation Instructions
P/N 918476
3. Install Time Delay Relay at location indicated
by label in control panel and fasten using
center hole and screw provided (do not over
tighten). For electric furnaces, install time
delay relay in a convenient location using a
self tapping fastener.
4. Make wiring connections per the applicable
Wiring Diagrams provided with this kit. See
Figures 1 - 4 on the following pages and follow
the instructions for either the single package
unit, the air handler or the electric furnace.
5. Attach the applicable Wiring Diagram label
to the inside surface of the electrical access
panel.
6. Replace the electrical access panel.
7. Attach “Notice” label to outside surface of
electrical access panel.
Indoor Fan Time Delay Operation Check:
1. Set thermostat fan switch to “Auto”.
2. Set thermostat setting so system will oper-
ate.
3. Run at least 5-minutes.
4. Move thermostat setting to cause unit to shut
off.
5. Indoor fan should continue to run for ap-
proximately 40-seconds.
2
1. Remove green wire from blower relay and
discard. Connect new green wire to the fan
delay relay terminal #4 (terminal #5 on some
models) and route to “G” at thermostat.
2. Attach new blue wire between terminal #1
on fan delay relay and terminal where the
green wire has been removed from blower
relay in the previous step.
3. Locate black wire connecting blower relay
coil common terminal and transformer.
Remove wire at transformer.
4. Attach new gray wire to the time delay relay
terminal #3 and the transformer terminal
Figure 1. Wiring Diagram for Single Package Air Conditioners and
Heat Pump Applications.
where black wire was removed in step 3
(piggy back terminal). Re-connect the black
wire removed in step 3 to the piggy back
terminal at transformer.
5. Locate the red wire connecting to the fuse at
the transformer. Cut the wire at a convenient
location and strip both ends at the cut. Strip
the new red wire at the piggy back terminal.
Twist all three wire ends together and secure
with a wire nut. Connect the straight terminal
of the red wire to terminal #2 on the fan delay
relay.
6. Complete installation as outlined in “General”
instructions on page 1
* Wires marked with an asterisk (*) are supplied as part of the TDR kit.
† labeled as teminal #5 on some models
1
3
T2 L2
TRANSFORMER
BLOWER
RELAY
UNIT
CONTACTOR
TIME DELAY RELAY
TO BLOWER MOTOR
24V
2
4
†
RED
BLACK
BLACK
RED
*
GRAY
*
GREEN
*
BLUE
*
TO "G" ON
T'STAT
TO "R"
TERMINAL
SPLICE/
SECURE
RED
FUSE
3
Electric Furnace:
1. Locate gray wire connecting blower relay
common terminal and transformer. Remove
wire from transformer.
2. Connect new gray wire to the fan relay
terminal #3 and the transformer terminal
where wire was removed in step 1 (piggy
back terminal).
3. Re-connect the gray wire removed in step 1
to the piggy back terminal at transformer.
4. Remove green wire from blower relay and
discard. Attach new green wire to terminal
#4 (terminal #5 on some models) on the fan
delay relay and route to “G”.
5. Attach new blue wire between terminal #1
on fan delay relay and terminal where the
green wire has been removed in the previous
step.
6. Locate the red wire connecting to the fuse at
the transformer. Cut the wire at a convenient
location and strip both ends at the cut. Strip
the new red wire at the piggy back terminal.
Twist all three wire ends together and secure
with a wire nut. Connect the straight terminal
of the red wire to terminal #2 on the fan delay
relay.
7. Complete installation as outlined in “General”
instructions on Page 1.
* Wires marked with an asterisk (*) are supplied
as part of the TDR kit.
† Labeled as terminal #5 on some models.
Figure 2. Wiring Diagram for
Air Handler Applications.
* Wires marked with an asterisk (*) are supplied as
part of the TDR kit.
† Labeled as terminal #5 on some models.
Figure 3. Wiring Diagram for E(1,2,3)EB
Electric Furnace Applications.
24V
TRANSFORMER
GRAY RED
TIME
DELAY
RELAY
BLOWER
RELAY
1
2
3
4
†
G
C
R
GRAY
*
C NO NC
BLUE
*
GREEN
*
RED
*
24V
3
21
4
†
Blower
Relay
Time
Delay
Relay
To Low Voltage
Thermostat Wires
splice/
secure
Grey
*
Transformer
C NO NC
Blue
*
Green
*
Red
*
To "G"
To "R"
Red
Fuse
Air Handler:
1. Locate gray wire connecting blower relay
common terminal and transformer. Remove
wire from transformer.
2. Connect new gray wire to the fan relay
terminal #3 and the transformer terminal
where wire was removed in step 1 (piggy
back terminal).
3. Re-connect the gray wire removed in step 1
to the piggy back terminal at transformer.
4. Remove green wire from blower relay and
discard. Attach new green wire to terminal
#4 (terminal #5 on some models) on the fan
delay relay and route to “G”.
5. Attach new blue wire between terminal #1
on fan delay relay and terminal where the
green wire has been removed in the previous
step.
6. Remove red wire from transformer terminal.
Attach new red wire between terminal #2 on
fan delay relay and transformer (piggy back
terminal). Re-connect the red wire removed
to the piggy back terminal.
7. Complete installation as outlined in “General”
instructions on Page 1.
708290B (Replaces 708290A)
Specifi cations and illustrations subject to change
without notice and without incurring obligations.
Printed in U.S.A. (01/09)
¢708290)¤
708290B
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Reznor JT4BE Installation guide
- Category
- Power extensions
- Type
- Installation guide
The Reznor JT4BE is a powerful and versatile infrared heater designed for both indoor and outdoor use, offering efficient and targeted heating solutions for various applications.
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