Blower Motor Speed-Tap Retrofit; Low-Voltage Connection (Geh/V 0,5-5 T And Exh/V 1,5-6 T Equipment); Low-Voltage Connection (Geh/V 6-25 Ton); Service Access Panel - Trane GEHE Installation And Maintenance Manual

Figure 58. Low-voltage connection (GEH/V ½-5 ton and
EXH/V 1½-6 ton equipment)
Basic Controls Wall Mounted Thermostat
1TB1
24 VAC
1
2 FAN
REVERSING VALVE (COOL)
3
4 COMPRESSOR & VAR SPD PUMP SOLENOID
24 VAC GENERAL ALARM OUTPUT
5
6 24 VAC COMMON & VAR SPD PUMP SOLENOID
7
8
9
10
11
12
13
14
15
16
17
18
Deluxe Controls With Reheat
1TB1
1 24 VAC
FAN
2
3 REVERSING VALVE (COOL)
COMPRESSOR
4
5
24 VAC COMMON & VAR SPD PUMP SOLENOID
6
7
8
9 24 VAC COMPRESSOR DISABLE INPUT
24 VAC COMPRESSOR DISABLE INPUT
10
11 HUMIDISTAT
12 VAR SPD PUMP SOLENOID
13
14
15
16 ALARM CONTACT OUTPUT
ALARM CONTACT OUTPUT
17
18
Low-voltage connection diagrams for basic and deluxe 24
V control packages mounted on ½-5 ton equipment sizes
are shown in Figure 58, p.
Figure 59. Low-voltage connection (GEH/V 6-25 ton)
Deluxe Controls with
-all Heat Pump Units w/ Reheat
using X13511090010 (T8511)
1TB2
24 VAC (R)
1
2 FAN (G)
3 COMPRESSOR 1 (Y1)
COMPRESSOR 2 (Y2)
4
REVERSING VALVE (0) & HUMIDISTAT
5
6 24 VAC COMMON (C) & WATER ISOLATION VA
7 COMPRESSOR DISABLE
COMPRESSOR DISABLE
8
ALARM
9
10 ALARM
ELECTRIC HEAT
11
ELECTRIC HEAT
12
13 HUMIDISTAT
14 WATER ISOLATION VALVE
3RD STAGE HEAT (W3)
15
NOT USED
16
Deluxe Controls with
-all Heat Pump Units without Reheat
using X13511090010 (T8511)
1TB2
1 24 VAC (R)
2 FAN (G)
COMPRESSOR 1 (Y1) & WATER ISOLATION VA
3
COMPRESSOR 2 (Y2)
4
5 REVERSING VALVE (0) & HUMIDISTAT
6 24 VAC COMMON (C) & WATER ISOLATION VA
COMPRESSOR DISABLE
7
8 COMPRESSOR DISABLE
9 ALARM
ALARM
10
ELECTRIC HEAT
11
12 ELECTRIC HEAT
13 HUMIDISTAT
NOT USED
14
15 3RD STAGE HEAT (W3)
16 NOT USED
Low-voltage connection diagrams for deluxe 24V control
packages for these thermostats mounted on 6-25 ton
equipment sizes are shown in
WSHP-SVX01L-EN
Deluxe Controls Wall Mounted Thermostat
1TB1
24 VAC
1
2 FAN
REVERSING VALVE (COOL)
3
4 COMPRESSOR & VAR SPD PUMP SOLENOID
5
6 24 VAC COMMON & VAR SPD PUMP SOLENOID
ELECTRIC HEAT (COOL ONLY W/ ELEC HT UNIT)
7
8
24 VAC COMPRESSOR DISABLE INPUT
9
10 24 VAC COMPRESSOR DISABLE INPUT
11
12
13
14
15
ALARM CONTACT OUTPUT
16
17 ALARM CONTACT OUTPUT
18
59.
Deluxe Controls with
-all Heat Pump Units w/ Reheat
using X13511091010/X13511092010 (T7300)
1TB2
24 VAC (R)
1
2 FAN (G)
3 COMPRESSOR 1 (Y1)
COMPRESSOR 2 (Y2)
4
REVERSING VALVE (0) & HUMIDISTAT
5
6 24 VAC COMMON (X) & WATER ISOLATION VA
7 COMPRESSOR DISABLE
COMPRESSOR DISABLE
8
ALARM
9
10 ALARM
ELECTRIC HEAT
11
ELECTRIC HEAT
12
13 HUMIDISTAT
14 WATER ISOLATION VALVE
3RD STAGE HEAT (W1)
15
NOT USED
16
Deluxe Controls with
-all Heat Pump Units without Reheat
using X13511091010/X13511092010 (T7300)
1TB2
1 24 VAC (R)
2 FAN (G)
COMPRESSOR 1 (Y1) & WATER ISOLATION VA
3
COMPRESSOR 2 (Y2)
4
5 REVERSING VALVE (0) & HUMIDISTAT
6 24 VAC COMMON (X) & WATER ISOLATION VA
COMPRESSOR DISABLE
7
8 COMPRESSOR DISABLE
9 ALARM
ALARM
10
ELECTRIC HEAT
11
12 ELECTRIC HEAT
13 HUMIDISTAT
NOT USED
14
15 3RD STAGE HEAT (W1)
16 NOT USED
Figure 59, p. 59.
For controls using DC analog input/outputs, see
appropriate installation, operation and diagnostic
manuals for connection. WSHP-IOP-2 (ZN510) and WSHP-
PRB002-EN (ZN524).

Blower Motor Speed-Tap Retrofit

Note: For GEH/V ½-5 ton units only.
Motors installed in the unit include 4-speed and 3-speed
configurations. All voltages include a 4-speed
configuration, with the exception of 380V, 415V, 460V
which contain a 3-speed arrangement and 575V which
contains a 2-speed arrangement. To modify the rpm of the
motor, the following steps must be followed.
WARNING
Hazardous Voltage!
Disconnect all electric power, including remote
disconnects before servicing. Follow proper lockout/
tagout procedures to ensure the power can not be
inadvertently energized. Failure to disconnect power
before servicing could result in death or serious injury.
WARNING
Proper Field Wiring and Grounding
Required!
All field wiring MUST be performed by qualified
personnel. Improperly installed and grounded field
wiring poses FIRE and ELECTROCUTION hazards. To
avoid these hazards, you MUST follow requirements for
field wiring installation and grounding as described in
NEC and your local/state electrical codes. Failure to
follow codes could result in death or serious injury.
1. Remove service access panel at the unit front.
Figure 60. Service access panel
Installation
59