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Digital Control Board with Standby

Power – Wiring Diagram

The standby power connections, L1 STBY and L2 STBY are

meant to run the indoor motor at a separate voltage from the

other motors, compressor and outdoor motor. When used as

such, the jumpers, JH1 and JH2, must be cut. This renders

L1 & L2 and L1 STBY and L2 STBY isolated from each

other.

If there is no need to run the motors at a separate voltage the

L1 = L1 STBY and L2 = L2 STBY. Therefore one voltage is

used to run all motors.

If the jumpers are accidentally cut, then the connections can

be spliced to substitute for the missing jumpers.

Legend

DM = Damper Motor

HYV = Hydronic Valve

CM = Compressor Motor

IFM = Indoor Fan Motor

OFM = Outdoor Fan Motor

HFLO = Heat Fan Lockout Sensor

OCS = Outdoor Coil Sensor

OAS = Outdoor Air Sensor

ICS = Indoor Coil Sensor

IAS = Indoor Air Sensor

LUI = Local User Interface

REV = Reversing Valve

IR = IR Receiver Board (AP7810)

C1 = Indoor Motor Capacitor

C2 = Outdoor Motor Capacitor

C3 = Compressor Capacitor

MP = Motor Protector

Note: Thegraytintedareasinthewiringdiagram;areoptionsavailableonlywiththepremiumcontrolboard.

Forthelatestdrawingversionrefertothewiringdiagramlocatedontheinsideofthecontrolsaccesspaneloftheunit.

Wire Color Voltage

120V

208V

240V

277V

Table A

1 2 ... 33 34 35 36 37 38 39 40 41 42 43 ... 47 48

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McQuay PDAA Especificaciones Pagina 38