Manual 2100-670I
Page
36 of 47
FIGURE 56
FUSION-TEC HR Series Wall-Mount Unit Control Board 8301-068-002*
FieldBus2
Rx-/Tx-
Rx+/Tx+
GND
C1
NO1
NO2
NO3
C2
NO4
NO5
NO6
NO7
C7
NC7
C8
NO8
NO9
EEV1
DI1
DI2
DI3
DI4
DI5
DI6
DI7
GND
B1
B2
B3
B4
B5
B6
B7
GND
+Vdc
GND
Y1
Y2
Y3
B8
B9
Control
Stand-by
BMS Card
Jumper
+ Communication Wire
– Communication Wire
24VAC +
To CCM Y
Compressor Staging
Solenoid
24VAC +
Stage 1 Heat
24VAC +
Dirty Filter Light
Expansion Valve:
Purple, Yellow – 40 ohms
Red/White – 40 ohms
Red/Green – 40 ohms
White/Green – 80 ohms
Blue/Yellow – 83 ohms
24VAC Hot
24VAC Common
Smoke Detector
Dirty Filter Switch
Compressor Alarm Relay
Micro USB
Damper Blade Switch
Airflow Switch
Digital Ground
Liquid Line Temp Sensor
Outdoor Air Temp Sensor
Return Air Temp Sensor
Supply Air Temp Sensor
Outdoor Humidity Sensor
Dust Sensor Board
Suction Temp Sensor
Analog Ground
24VDC to Outdoor Humidity Sensor
Liquid Pressure Transducer
Suction Pressure Transducer
Ground
Blower Motor Signal
Condenser Fan Motor
* Asterisk represents letter at end of part number that designates software version (Example: 8301-068-002
A
).