Figure 30 Wall-Mount Unit Control Board - Bard MULTI-TEC W42ACE Series Service Instructions Manual

Dirty Filter Switch
High Pressure (CCM)
Low Pressure Switch
Damper Blade Switch
Digital Ground
Mixed Air Temp Sensor
Outdoor Air Temp Sensor
Return Air Temp Sensor
Outdoor Humidity Sensor
Freeze Sensor
Analog Ground
24 VDC To Outdoor Air Sensor
Suction Temp Sensor
Suction Pressure Transducer
Ground
2-10 VDC To Damper Actuator
Electronic Expansion Valve (EEV)
Manual 2100-725C
Page 20 of 39
Wall-Mount Unit Control Board
24VAC GND
24VAC Hot
See Table 4 for information on control board terminal functions.
FIGURE 30
+ Communication Wire
- Communication Wire
24VAC +
Y TO Compressor CCM
24VAC +
Stage 1 Heat
Stage 1 Heat
Blower 1 (balanced climate)
24VAC +
Blower 2 (nominal)
Blower 3 (high sensible)
MIS-3869 A