Single-Point Power Supply Wiring With Non-Fused Disconnect Switch - York eco2 050 Installation Operation & Maintenance

Installation
Line 1
F ield P ower
Line 2
Line 3
S upply
E arth
G round
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 dis con nect 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 trou ble shoot ing. This disconnect switch is
not intended to be a Load Break Device.
FIG. 10 – SINGLE-POINT POWER SUPPLY WIRING WITH NON-FUSED DISCONNECT
32
SINGLE-POINT POWER SUPPLY WIRING
WITH NON-FUSED DISCONNECT SWITCH
E lectrical / C ontrols B ox
P ower S ide
Molded
C as e
Dis connect
S witch
FORM 100.50-NOM1 (604)
C ontrol S ide
CTB1
F ield C ontrol
Wiring T erminal
B lock
LD06415A
YORK INTERNATIONAL