Dual-Point Power Supply Wiring - York ECO R-407C User Manual

Line 1
Field Power Line 2
Line 3
Supply #2
Earth
Ground
Line 1
Field Power
Line 2
Line 3
Supply #1
Earth
Ground
NOTES:
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.
FIG. 4 – DUAL-POINT POWER SUPPLY WIRING
YORK INTERNATIONAL

DUAL-POINT POWER SUPPLY WIRING

Electrical / Controls Box
Power Side
TB2 TB1
FORM 100.50-EG1
Control Side
Wiring Terminal
Block
LD06416
33