York YPAL 060, YPAL 061, YPAL 050, YPAL 051 manual Line Earth Ground

FORM 100.50-NOM6 (1207)

SINGLE-POINT POWER SUPPLY WIRING

WITH NON-FUSED DISCONNECT SWITCH

2

GND

LD13004

Field Power Supply

Line 1

Line 2

Line 3

Earth

Ground

NOTES:

1. All fi eld wiring must be provided through a fi eld-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 defi ned 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.

FIG. 2-10 – SINGLE-POINT POWER SUPPLY WIRING WITH NON-FUSED DISCONNECT

JOHNSON CONTROLS 39