For the new jumper setting to take effect - all 24V power to the board must be removed and reapplied. 6. Complete the installation and power up the unit, re-applying both 240V & 24V. FIGURE 1: Outdoor Unit Control Box DEFROST CURVE SELECTION When the control board is replaced, the jumper MUST be placed in a numbered position. Select the proper jumper position from Table1. If the jumper is missing or in the P position, the replacement control will not energize the compressor. When the jumper

. . . . . . . . . . . . . 2 Y2K COMPLIANCE. . . . . . . . . . . . . . . . 2 THERMOSTATS . . . . . . . . . . . . . . . . . . . 2 COOLING AND HEATING . . . . . . . . . . 2 FAN OPERATION. . . . . . . . . . . . . . . . . 2 START-UP. . . . . . . . . . . . . . . . . . . . . . . . 3 POWER FAILURE. . . . . . . . . . . . . . . . . 3 SYSTEM OPERATION . . . . . . . . . . . . . . 3 MANUAL CHANGE-OVER THERMOSTAT . . . . . . . . . . . . . . . . . . . 3 ELECTRONIC THERMOSTAT . . . . . . . 3 CARE OF SYSTEM. . .

or downloaded @ When ordering thru Baltimore Parts Center (BPC), part number's with less than eight digits may require a "NAC" prefix to the part number. Example: Motor part number in this manual is 432-3429; order thru BPC may need the prefix NAC432-3429. 2 YORK INTERNATIONAL FORM 115.23-RP1 (1104) DETERMINATION OF RIGHT-HAND / LEFT-HAND REFERENCES HORIZONTAL UNITS VERTICAL UNITS RIGHT END COMPARTMENT PARTS LIST ACTUATORS Part # Description Where Used 130-0041 Actuator, roll dampe

Box 1592, York, Pennsylvania USA 17405-1592 Copyright © by York International Corporation 2004 Form 115.23-RP1 (1104) New Release Tele. 800-861-1001 Subject to change without notice. Printed in USA ALL RIGHTS RESERVED

Box 1592, York, Pennsylvania USA 17405-1592 Copyright © by York International Corporation 2004 Form 115.23-RP1 (1104) New Release Tele. 800-861-1001 Subject to change without notice. Printed in USA ALL RIGHTS RESERVED

Box 1592, York, Pennsylvania USA 17405-1592 Copyright © by York International Corporation 2004 Form 115.23-RP1 (1104) New Release Tele. 800-861-1001 Subject to change without notice. Printed in USA ALL RIGHTS RESERVED

ÜYORK’ UNIT VENTILATORS RENEWAL PARTS New Release 115.23-RP1 (1104) MODELS: YH0W, YH0S, YHXS, YHXW, YHCS, YH0A, YHB0, YHA0, YHCW, YHAB, YH0B, YHXE MODELS: YTOW, YTOA, YTOS, YTOB, YTOE, YTBO, YTCW, YTA0, YTCS, YTAB, YTBE, YTXE,YTXW, YTXS, YTXB, YTXO FORM 115.23-RP1 (1104) TABLE OF CONTENTS DETERMINATION OF RIGHT-HAND / LEFT-HAND REFERENCES.............3 ACTUATORS...................................................................................................4 MOTORS..................

Box 1592, York, Pennsylvania USA 17405-1592 Copyright © by York International Corporation 2004 Form 115.23-RP1 (1104) New Release Tele. 800-861-1001 Subject to change without notice. Printed in USA ALL RIGHTS RESERVED

Box 1592, York, Pennsylvania USA 17405-1592 Copyright © by York International Corporation 2004 Form 115.23-RP1 (1104) New Release Tele. 800-861-1001 Subject to change without notice. Printed in USA ALL RIGHTS RESERVED

Box 1592, York, Pennsylvania USA 17405-1592 Copyright © by York International Corporation 2004 Form 115.23-RP1 (1104) New Release Tele. 800-861-1001 Subject to change without notice. Printed in USA ALL RIGHTS RESERVED