York YCAS0130 manual Wiring Diagram ACROSS-THE-LINE Start

Technical Data

FORM 201.19-NM1 (204)

7.

WIRING DIAGRAM

ACROSS-THE-LINE START

NOTES:

LD09231

1.Field wiring to be in accordance with the current edition of the National Electrical Code as well as all other applicable codes and specifications.

2. Numbers along the right side of a diagram are line identi-

fication numbers. The numbers at each line indicate the line7. number location of relay contacts. An unlined contact loca-

tion signifies a normally closed contact. Numbers adjacent to circuit lines are the circuit identification numbers.

3.Any customer supplied contacts must be suitable for switching 24VDC. (Gold contacts recommended.) Con-

trol Wiring must not be run in the same conduit with any	LD09232
line voltage wiring.

4.To cycle unit on and off automatically with contact shown, install a cycling device in series with the flow switch (FSLW). See Note 3 for contact rating and wiring specifications. Also refer to cautions on page 67.

5.To stop unit (Emergency Stop) with contacts other than

those shown, install the stop contact between 5 and 1. If		LEGEND
a stop device is not installed, a jumper must be connected	T S	Transient Voltage Suppression
between terminals 5 and 1. Device must have a minimum		Terminal Block for Customer Connections
contact rating of 100VA at 115 volts A.C.
		Terminal Block for Customer Low Voltage
6. Alarm contacts are for annunciating alarm/unit malfunc-
		(Class 2) Connections. See Note 2
tion. Contacts are rated at 115V, 100VA, resistive load only,		Terminal Block for YORK Connections Only
and must be suppressed at load by user.		Wiring and Components by YORK

7.See Installation, Operation and Maintenance Manual when optional equipment is used.

8.Control panel to be securely connected to earth ground.

9.Use 2KVA transformer in optional transformer kit unless there are optional oil separator sump heaters which neces- sitates using a 3KVA transformer.

FIG. 17 – WIRING DIAGRAM – ACROSS-THE-LINE START

Optional Equipment

Wiring and/or Components by Others

64 YORK INTERNATIONAL