Wiring Schematics - Trane 2GN Series Installer's Manual

Split Wiring Schematic - 208-230/60/1
Ext Pump
1/2 hp Total
208-230/60/1 PB1
2
2
Pump Pump
1
1
G
Blu
DHW
Pump
Pink
NOTE 5
Pink(13)
Blu(17)
Fused L2
NO
NOTE 3
CS COM
CR1 CR2
Blue
RCP
Blue
CCHI
CC
Violet(2)
CC
Blk(1) CC-GND
P1
R
1
2
C
3
Y1
Y2 4
W
5
O 6
G 7
LO 8
P2
Shut
ECM
Down 1 1 1
Air Flow
NOTE 6
C 2 2 2
Settings
C C 3 3 3
SL1 In
4
SL1 In
SW1
SL1 Out
5
SL1 Out
Optional Not 6
Remote Unit
Used 7
Without
Loop Pump
NOTE 1
P3
Acc Com 1
Acc NC 2
Acc NO 3
1 2 3
P4
R
R
LED Normal Display Mode
R
Field Selection Dips - #1 On, #6 On, #7 On
R
Drain Drain pan overflow Lockout
Water Flow WCL thermistor (loop<15°F,well<30°F) Lockout
R
High Press High Pressure
G
Low Press Low Pressure
Y
Air Flow / Fan ECM2 RPM < 100 rpm Lockout
R Status Microprocessor malfunction*
DHW Limit HWL thermistor > 130°F
SW4
DHW off DHW pump switch off
*Green LED not flashing
18-GL07D1-4
Unit Power
208-230/60/1
G
Gry(9)
Yel(8)
Fused L2 240V L2
NO
NO NC NO
COM
CR3 COM CR4
Microprocessor
Logic Control
(DC Voltage)
On
SW2 On SW3
On
1 1 2 Speed / 1 Speed
1 Test / Norm
2 Normal / Finish on 2
2 Loop / Well 2
3
3 Fan / Comp 3 No RPM / RPM
4 4
4 Must Be ON
Dehum / Norm
5
5 T*GX- Series / NA
5 No Htg3 / Htg3
6
6
Inputs / Norm
7
7 Outputs / Norm
8
8 Pulse L / Constant L (NOTE 4)
9
10
11
12
Main Logic PCB
Diagnostic Modes
Current Fault Status
#1 Off, #6 On, #7 On #6 Off, #7 On
Drain pan overflow
WCL thermistor (loop<15°F, well<30°F)
High Pressure
Low Pressure
ECM2 RPM < 100 rpm
Not Used
HWL thermistor > 130°F
DHW pump switch off
S
C
R
Blue
Black
Red
CC
T2
T1
Tan
Run
Capacitor
(16)
L2 L1
Org(14) Brn(15)
240V L1
240V L2
F1-10A 240V
NC
F1-10A
240V
COM
R
C
P6
8
13
7
4
5
14
12
6
15
10
9
2
1
3
11
16
P5
11
4
(Note 2)
nd
9
2
10
3
8
1
12
5
13
6
7
14
Outputs Outputs2
Inputs
#6 On, #7 Off #6 Off, #7 Off
Y1 Compressor Lo Blower Lo
Y2 Compressor Hi Blower Med
O RV Blower Hi
G FAN Aux Heat #1
W DHW Pump Aux Heat #2
SL1 Loop Pump 1 AuxHeat #3
SL2 Loop Pump 2 Aux Heat #4
--
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97P774-61 12/11/12
2GN SPLIT INSTALLER'S GUIDE
Notes:
1 - 24V Accessory relay (see SW2 - 3 for description of operation)
2 – This Switch allows the unit to down stage with the t-stat when OFF and finish on second stage when
ON.
3 – Only used on units with Dual Capacity compressors.
4 – SW2-8 must be in the OFF position for pulsed "L" lockout signal and in the ON position for constant
"L" lockout signal.
5 - DHW pump only in models with hot water generation option.
6 - Connection of remote unit that does not have a loop pump for slave operation.
Duel Fuel Wiring Diagram
Thermostat
Using Field Installed Relay
Y1
1st Stage Compressor
Y2
2nd Stage Compressor
O
Reversing Valve
Fossil Fuel
L
Fault Signal
Furnace
C
C
Common Common
R R
24 VAC 24 VAC
W
Auxiliary Heat Relay
G
G
Fan
Auxiliary
Heat Relay
W
Auxiliary Heat Relay
Note: Field installed DPST dual fuel relay
(Required for dual fuel installation)
L1
T
G
Tan Not Used
Orange RV
Orange
Not Used
Not Used
Pink
T
HWL
Pink
Yellow
2 3
T
WCL
P
Yellow
Blue
LP
Blue
CC -
CO -
Black
HP CR1 -
Black
CR2-
CR3 -
CR4 -
CS -
F1 and F2 -
HE -
HP -
ER1 to ER4 -
LP -
PB1, PB2 -
PS -
RV -
SW1 -
SW2 -
SW3 -
SW4 -
TS -
HWL -
SC -
SR -
WCL -
Split
Y1
Y2
O
P1
LO
C
R
Shut
P2
Down
= chassis
Legend
Factory Low voltage wiring
Factory Line voltage wiring
Field low voltage wiring
Field line voltage wiring
Optional block
DC Voltage PCB traces
Internal junction
Quick connect terminal
Wire nut
Field wire lug
Ground
Relay Contacts-
N.O., N.C.
Fuse
Thermistor
Light emitting diode - Green
Relay coil
Capacitor w/ bleed resistor
Switch - Condensate overflow
Switch - High pressure
Switch - Low pressure
Switch -Hot Water On/Off
1
Polarized connector
Compressor Contactor
Condensate overflow sensor
DHW pump relay
Loop pump relay
PSC Fan Speed Relay
PSC Fan Power Relay
Compressor Solenoid **DC Coil**
Fuses
Heater element
High pressure switch
Aux heat stage relays
Low pressure switch
Power blocks
Power strip
Reversing Valve coil
DIP package 12 position
DIP package 8 position
DIP package 5 position
Hot water pump enable switch
Thermal limit switch
Hot water limit sensor
Start Contactor
Start Relay
Water Coil Limit Sensor
17