Carrier T--298 - Manual (Page 42)

T--298 3-18
POWERBOX
ASSEMBLY
UPPER UNIT
1 2 3 4 2 1
1 2 3 4
1
2
3
4
5
1
2
L
N2
N1
W
Y
GH
GL
C
TB
Y
GH
GL
R
C
COOL (Compressor)
FAN (High)
FAN (Low) 12VDC LowVoltage
Power Supply
CEILING UNIT
FURNACE
+ 12VDC 12 VDC (Gnd)
Motor Comp.
115V AC High Voltage
Power Supply
Factory Wiring Field Wiring
THERMOSTAT
J
Blue
Blue
Figure 3-41 Wall Thermostat Wiring Diagram -- Heat/Cool Model