York R-407C Manual De Usuario

FORM 100.50-EG1

YORK INTERNATIONAL

FIG. 4 – DUAL-POINT POWER SUPPLY WIRING

1. All field wiring must be provided through a field-supplied fused disconnect switch to the unit terminals (or optional molded

disconnect switch).

2. All electrical wiring must be made in accordance with all N.E.C. and/or local code requirements.

3. Minimum Circuit Ampacity (MCA) is based on U.L. Standard 1995, Section 36.14 (N.E.C. Section 440.34).

4. Maximum Dual Element Fuse size is based on U.L. Standard 1995, Section 36.15 (N.E.C. Section 440.22)

5. Use copper conductors only.

6. On units with an optional disconnect switch, the supplied disconnect switch is a “Disconnecting Means” as defined in the N.E.C. Section

100, and is intended for isolating the unit from the available power supply to perform maintenance and troubleshooting. This disconnect
switch is not intended to be a Load Break Device.

Field Power
Supply #2

Field Power
Supply #1

Earth

Ground

Earth
Ground

Line 3

Line 2

Line 1

Control Side

Wiring Terminal
Block

Line 3

Line 2

Line 1

Power Side

2L2

2L1

G

ND

2

L

3

1L1

1L2

G

ND

1

L

3

Electrical / Controls Box

TB2

TB1

LD06416