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AMBERAIR COMPACT CXP v2024.2
8.5. CONNECTION OF SUPPLY AND EXHAUST AIR DAMPERS
AmberAir Compact CXP units can be equipped with supply air and exhaust air dampers. Dampers are controlled by Open/Close or Spring-return
actuators.
M2, M3 - Open/Close or Spring-return damper actuators. Upon activation of DO5 the dampers shall open. Upon activation of DO6 the dampers
with Open/Close actuators shall close. Dampers with Spring-return actuators close when DO5 is deactivated.
Damper wiring diagrams can be found on section 8.9.
8.6. CONNECTION OF REMOTE CONTROL PANEL OR MODBUS
X18 connector is for Remote controller.
X19 connector is for BMS.
S1 DIP switch is for X19.
Switch
Position
Purpose
S1
1
120 Ohm termination load (On/Off)
2
1 kOhm RS line pull-up (On/Off)
3
1 kOhm RS line pull down (On/Off)
8.7. WATER HEATER CIRCULATION PUMP AND VALVE ACTUATOR
Water heater circulation pump and valve actuator can only be connected to the units that are designed to operate with water heater.
Wiring diagram
Valve actuator is controlled by 0-10 VDC signal. Circulation pump is controlled by On/Off signal.
Control board MCB controller X12: 2;3; X14: 6; and MCB EX2 controller X39: 1;2;3;
