York 28971AR manual CB1 CB3 CB2 CB4

FORM 201.18-EG1

CB1

CB3

CB2

CB4

TB

or

DS

Suitable for:

Y - ∆ Start and

Across the Line Start

Control Panel Wiring As Shown on The Two Compressor Diagram

Field Supply

See Note 3

See notes below.

LD05554

FIG. 7 – OPTIONAL SINGLE-POINT POWER SUPPLY CONNECTION WITH INDIVIDUAL SYSTEM CIRCUIT BREAKERS

NOTES:

1.U.L. Label is provided on 60 Hz units for these electrical wiring configurations.

2.–– –– –– –– –– –– Dashed Line = Field Provided Wiring.

3.The above recommendations are based on the National Electric Code and using copper conductors only. Field wiring must also comply with local codes. Group Rated breaker must be HACR type for cUL machines.

LEGEND REFERS TO TYPICAL CONTROL WIRING DIAGRAM ON PAGES 96 & 97.

LEGEND

T S Transient Voltage Suppression

Terminal Block for Customer Connections

Terminal Block for Customer Low Voltage (Class 2) Connections. See Note 2

Terminal Block for YORK Connections Only

Wiring and Components by YORK

Optional Equipment

Wiring and/or Components by Others

YORK INTERNATIONAL 93