York R-410A Technical Guide

Subject to change without notice. Printed in U.S.A. 505428-YTG-V-0417
Copyright © 2017 by Johnson Controls, Inc. All rights reserved. Supersedes: 505428-YTG-U-1016
York International Corporation
5005 York Drive
Norman, OK 73069
Typical Simplified Field Wiring Diagram – NM120 thru 240 Evaporator with YD120 thru 240 Condenser
NOTE: On non NL/NM Evaporator models, isolation relays must be installed to avoid overloading on 75 VA transformers on the
condensing unit.
Typical Simplified Field Wiring Diagram – NM120 thru 240 Evaporator
CONDENSER CONTROL BOX
EVAPORATOR CONTROL BOX
C S1 S2 G1 G2 66 60 X
C S1 S2 G1 G2 66 60 X
TB2
TB2
UCB
VFD COMM
TB5
VFD
VLT
VFD C
1
2
3
4
W1 W2 Y1 G Y2 0CC CX R SD-24
SE CONTROL BOARD
THERMOSTAT CONNECTIONS
THERMOSTAT
TWO STAGE COOL/FAN
TWO STAGE HEAT
R C Y1 Y2 G W1 W2
TB
3-1
UNIT
POWER
SUPPLY

York R-410A Specifications

General

Brand	York
Model	R-410A
Category	Air Conditioner
Language	English