16 18-GL07D1-4
2GN SPLIT INSTALLER’S GUIDE
ELECTRICAL DATA
General
Be sure the available power is the same voltage and phase as
that shown on the unit serial plate. Line and low voltage wiring
must be done in accordance with local codes or the National
Electric Code, whichever is applicable. See unit electrical data
for fuse or circuit breaker sizing information.
THERMOSTAT WIRING
Figure 12b: Thermostat Wiring for Dual Fuel Applications
Figure 12a: Thermostat Wiring, Dual Capacity Units
Y1
Y2
O
R
C
L
C
R
Fossil Fuel
Furnace
Thermostat
24 VAC
Common Common
24 VAC
Fault Signal
Reversing Valve
2nd Stage Compressor
1st Stage Compressor
Y1
Y2
O
R
C
LO
GN-Series Split
G
G
Fan
W
W
Auxiliary Heat Relay
Note: Field installed DPST dual fuel relay
(Required for dual fuel installation)
Auxiliary Heat Relay
P2
P1
Shut
Auxiliary
Heat Relay
Down
= chassis
The fossil fuel furnace transformer
supplies the 24 vac control voltage to
the GN-Series Split and the fossil fuel
furnace.
MODEL
RATED
VOLTAGE
VOLTAGE
MIN/MAX
COMPRESSOR HWA
PUMP
FLA
EXT
LOOP
FLA
TOTAL
UNIT
FLA
MIN
CIRC
AMP
MAX
FUSE/
HACR
MCC RLA LRA LRA*
026
208-230/60/1 187/253 18.2 11.6 58.3 21.0 0.4 5.4 17.0 19.9 30
038
208-230/60/1 187/253 23.8 15.2 83.0 30.0 0.4 5.4 20.6 24.4 40
049
208-230/60/1 187/253 33.0 21.1 104.0 37.0 0.4 5.4 26.9 31.8 50
064
208-230/60/1 187/253 42.3 27.1 152.9 54.0 0.4 5.4 32.5 39.3 70
01/08/13
Rated voltage of 208-230/60/1
HACR circuit breaker in USA only
Min/Max Voltage of 187/253
All fuses Class RK-5
* With optional IntelliStart
Y1
Y2
O
R
C
B
R
Y1
Y2
O
R
C
G
G
Fan
W
W
P1
Air Handler transformer must be at least 75 VA.
L
Lo
Y0
Y2
O
Y1
TAM G
Air Handler
Thermostat
Thermostat Wiring, Single and Dual Capacity Units
*2GN/*2GE
Series Split
1st Stage Compressor
1st Stage Compressor
2nd Stage Compressor
Reversing Valve
Reversing Valve
Fault Signal
Common
Common
24 VAC
24 VAC
2nd Stage Compressor
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