York DNP042 User Manual

 036-21366-007-A-1205

32

Unitary Products Group

1.

All field wiring to be accomplished following city, local 
and/or national codes in effect at time of installation of 
this unit.

2.

Caution: Label all wires prior to disconnection when ser-
vicing controls.  Wiring errors can cause improper and 
dangerous operation if any of the wire as supplied with 
this unit must be removed it must be replaced with type 
105°C, 600V wire or equivalent clearly renumbered for 
identification.  Verify proper operation after servicing.

3.

Motors are inherently protected.

4.

See unit nameplate for maximum fuse size and minimum 
circuit ampacity.

5.

Select indoor blower cooling speed from unit wiring dia-
gram Table 1. Heating speed is preset at the factory.

6.

If both LR and ASCT are present, wire 801/BL and 805/
BL are connected to ASCT-3 if LR only is present wire 
801/BL and 805/BL are connected to M1 coil.  If ASCT 
only is present wire 202/Y is connected to ASCT-3.  If 
neither LR or ASCT are present, Wire 202/Y is connect 
to M1 coil.

7.

Shunt contact also used with crankcase heater. 
(Optional).

       

Open all disconnects before servicing this unit.