Page 1
EHTR-IN-39
INSTALLER'S
Library
Product Section
GUIDE
ALL phases of this installation must comply with
NATIONAL, STATE AND LOCAL CODES
Model:
BAYHTR1405A
BAYHTR1405
BAYHTR1408A
BAYHTR1408
BAYHTR1410A
IMPORTANT — This Document is customer property and is to remain with this unit. Please return to service information pack upon completion of work.
WARNING:
A. GENERAL
These air handlers and heaters are designed so that all
wiring between the heater and air handler is accomplished via mating polarized plugs, power for the air
handler is provided from heater circuit 1, so that only
one conduit (power source) is needed to provide power to
the unit on single circuit applications.
1. Check the applicable tables to insure that the Heater
selected is approved for use with the air handler in
which it is to be applied, in the cofiguration in which
it is to be installed.
2. Check the components received for damage. Report
any defects or shortages to the transportation company immediately.
3. Be sure power supply agrees with listing shown on
heater nameplate.
B. INSTALLATION With
1. Remove the blower access panel from the front of the
air handler unit.
2. Unplug the female polarized plug from the air handler
electrical junction box and remove the junction box,
male polarized plug, power wiring and discard .
3. Remove the cover from the heater compartment of the
air handler and discard.
4. Remove the cover from the heater field wiring and
control compartment box. An adapter plate is pro-
vided for heaters which are used with air handlers that are 21.5" wide or wider. When required, attach the adapter plate to the back of the
heater on the side opposite the knockouts using
2 screws.
Since the manufacturer has a policy of continuous
product improvement, it reserves the right to change
specifications and design without notice.
© American Standard Inc. 1998
BAYHTR1410
BAYHTR3410
BAYHTR1415A
BAYHTR3415
BAYHTR1419B
HAZARDOUS VOLTAGE - DISCONNECT POWER BEFORE SERVICING
5. Remove the appropriate knockouts in the heater field
6. Insert the heater assembly into the heater cavity of the
IMPORTANT: Conduit must attach directly to the heater
7. Make all wiring connections per applicable field wiring
TWG Air Handlers
8. Connect the female polarized plug (disconnected in
9. Refer to the heater airflow chart on the air handler
10. For heaters with self contained circuit breakers, an
11. Replace all panels removed during the heater instal-
Product
Model
Literature Type
Sequence
Date
File No.
Supercedes
Supplementary
Electric Heaters
for Air Handler Installations
wiring compartment. See Figure 1 on page 2. Remove
the appropriate knockouts in the air handler for
making electrical connections to the heater. The holes
in the air handler must align with the holes in the
heater field wiring compartment.
air handler so that the field wiring holes in the air
handler and the heater will align. Secure the heater
compartment to the air handler with the four screws
removed from the hardware envelope.
control box.
diagrams in these instructions. All instructions must
conform to national and local electrical codes.
item 2) from the air handler control box to the male
polarized plug on the bottom of the heater control box
rating nameplate for the appropriate minimum blower
speed tap selection to be used with an approved heater
installed.
opening in the blower access panel is provided so that
the breakers may be operated without removal of the
blower access panel. Remove the metal cover from the
circuit breaker opening in the air handler access panel
and discard, cut out the fiberglass insulation only in the
areas where the circuit breakers will extend through
the opening. Install the plastic "AirTite" circuit breaker
cover in the front panel opening with the two screws
provided.
lation.
18-HB13D5-1
Service Literature
Unitary Accessories
Electric, Steam, Hot Water Coils
September 1998
SU-UN-ACC-EHTR-IN-39 9/98
Unitary
TVF
39
New
Page 2
INSTALLER'S GUIDE
C. INSTALLATION with TWE/TVF Air Handlers
1. Position the air handler in the vertical position for ease
of installing the heater .
2. Remover the blower access panel from the front of the
air handler.
3. Unplug the female polarized plug from the male side.
The male side is mounted in a bracket on the upper
left hand corner of the air handler. The female side of
the polarized plug will be connected to the male
polarized plug of the heater.
4. Remove the cover from the heater field wiring and
control compartment box. An adapter plate is
provided for heaters which are used with air
handlers that are 21.5” wide or wider. When
required, attach the adapter plate to the back of
the heater on the side opposite the knockouts
using 2 screws.
5. Remove the appropriate knockouts in the heater field
wiring compartment. See Figure 1 on page 2. Remove
the appropriate knockouts in the air handler for
making electrical connections to the heater. The holes
in the air handler must align with the holes in the
heater field wiring compartment.
6. Insert the heater assembly into the heater cavity of the
air handler so that the field wiring holes in the air
handler and the heater will align. Secure the heater
to the air handler compartment with the 4 screws
provided in the hardware envelope.
7/8” diameter hole in the side panel of the air handler,
adjacent to the air handler control box.
NOTE: Air handlers approved to use the 1426 heater have
a plate covering the lower 1.2” of the heater cavity.
This plate must be left in place for a blower barrier
seal. The plate is removed only when the 1426 heater
is used.
IMPORTANT: Conduit must attach directly to the
heater control box.
8. Make all wiring connections per applicable field wiring
diagrams. All instructions must conform to national
and local electrical codes.
9. Connect the female polarized plug (disconnected in
item 3) from the air handler control box to the male
polarized plug on the bottom of the heater control box.
10. Refer to the heater airflow chart on the air handler
rating nameplate for the appropriate minimum blower
speed tap selection to be used with the approved
heater installed.
11. For heaters with self contained circuit breakers, an
opening in the blower access panel is provided so that
the breakers may be operated without removal of the
blower access panel. Remove the metal cover from the
circuit breaker opening on the air handler access panel
and discard. Cut out the fiberglass insulation only in
the areas where the circuit breakers will extend
through the opening. Install the plastic “AirTite”
circuit breaker cover in the front panel opening with
the two screws provided.
7. Install the hole plug from the hardware envelope in the
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A8041RTHYABseY11 86.7002622367.5007917.72
8041RTHYABoN11 86.7002622367.5007917.72
A0141RTHYABseY11 06.9008230402.7006426.43
0141RTHYABoN11 06.9008230402.7006426.43
0143RTHYABoN13 06.9008236.4302.70064203
A5141RTHYABseY21 63.510042542/0435.11003938.02/6.43
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B9141RTHYABseY21 02.910055604/0424.41002947.43/7.43
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Page 3
INSTALLER'S GUIDE
NOTE 2
NOTE 1
SIDE ENTRANCE
FOR HEATER ELECTRICAL
CONNECTIONS
RESISTANCE HEATER
CONTROL BOX
POLARIZED PLUG
NOTE 1
NOTE 2
TOP ENTRANCE
FOR HEATER ELECTRICAL
CONNECTIONS
CABINET
NOTES
1. HEATER LINE VOLTAGE KNOCKOUT LOCATIONS FOR 1"
OR 1-1/2" CONDUIT. CONDUIT MUST BE ATTACHED
DIRECTLY TO THE HEATER CONTROL BOX. WIRE AND
CONDUIT SIZE MUST COMPLIY WITH N.E.C.
2. HEATER LINE VOLTAGE KNOCKOUT LOCATIONS FOR 3/
4" OR 1-1/4" CONDUIT. CONDUIT MUST BE ATTACHED
DIRECTLY TO THE HEATER CONTROL BOX. WIRE AND
CONDUIT SIZE MUST COMPLIY WITH N.E.C.
3. BLOWER CIRCUIT POWER SUPPLY LEADS & LOW VOLTAGE HEATER CONTROL LEADS FROM AIR HANDLER
CONTROL BOX ARE CONNECTED TO THE HEATER VIA
A POLARIZED PLUG
LEADS FROM AIR HANDLER
CONTROL BOX (SEE NOTE 3)
BLOWER ACCESS PANEL
Page 3
Page 4
INSTALLER'S GUIDE
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STIUCRICSTIUCRIC
STIUCRICSTIUCRIC
STIUCRIC
A810FVT
A420FVT
A520FVT
A030FVT
A630FVT
A810GWT
A520GWT
A030GWT
A730/630GWT
A240GWT
A840GWT
A060GWT
C810EWT
C420EWT
C030EWT
C630EWT
C24OEWT
C840EWT
C060EWT
P810EWT -------P420EWT
P030EWT
P630EWT
P24OEWT
P840EWT
P060EWT
P360EWT
E130EWT 0001/007 0001/007 0001/007 0001/007 0001/007 0001/007 5211/007 5211/007 0531/0001
E730EWT
E040EWT
E260EWT
E560EWT
5041
wk08.4wk08.4
wk08.4wk08.4
wk08.4
112222224
111111122
L/L--M/L--M/L-------L/L--H/L--H/L-------L/L L/L M/L M/L M/L M/L H/L H/L-L/L L/L M/L M/L M/L M/L M/M M/M-L/L L/L M/L M/L M/L M/L M/M M/M H/H
L/L L/L M/L M/L H/L H/L-----L/L L/L M/L M/L M/L M/L H/L H/L-L/L L/L L/L L/L L/L L/L M/L M/L-L/L L/L L/L L/L L/L L/L M/L M/L-L/L L/L L/L L/L L/L L/L M/L H/L-L/L L/L L/L L/L L/L L/L L/L H/L M/L
L/L L/L L/L L/L L/L L/L L/L L/L M/L
A5041
wk08.4wk08.4
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wk86.7wk86.7
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wk86.7
A8041
wk86.7wk86.7
wk86.7wk86.7
wk86.7
SEE AIR HANDLER NAMEPLA TE.
MAY NOT BE APPRO VED IN ALL CONFIGURATIONS -
007/006 007/006 009/006 009/006 009/006 009/006 0031/0001 0031/0001 0031/0001
0011/006 0011/006 0011/006 0011/006 0011/006 0011/006 0041/0011 0041/0011 0041/0011
0051/009 0051/009 0051/009 0051/009 0051/009 0051/009 0081/0021 0081/0021 0081/0021
0051/009 0051/009 0051/009 0051/009 0051/009 0051/009 0081/0021 0081/0021 0081/0021
0143
01410141
01410141
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wk06.9wk06.9
wk06.9wk06.9
wk06.9
A0141
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wk06.9wk06.9
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--------
----RTHYABREBMUNLEDOMRETAEH
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wk63.51wk63.51
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wk63.51
A5141
wk63.51wk63.51
wk63.51wk63.51
wk63.51
----
----
B9141
wk02.91wk02.91
wk02.91wk02.91
wk02.91
--
--
The Trane Company
Unitary Products Group
6200 Troup Highway
Tyler, TX 75707-9010
An American-Standard Company
Page 4
Technical Literature - Printed in U.S.A.
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