Dual-point power supply wiring, Installation, Field power supply #2 – York ECO2 YPAL 050 User Manual
Page 40: Field power supply #1
40
JOHNSON CONTROLS
FORM 100.50-NOM6 (1207)
Installation
DUAL-POINT POWER SUPPLY WIRING
FIG. 2-11 – DUAL-POINT POWER SUPPLY WIRING
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.
LD13005
2L
2
2L
1
2L
3
2L2
2L1
2L3
1L
1
1L
2
1L
3
G
N
D
1L1
1L2
1L3
Field Power
Supply #2
Earth
Ground
Line 3
Line 2
Line 1
GND
GND
Field Power
Supply #1
Earth
Ground
Line 3
Line 2
Line 1
Field Power
Supply #1
Earth
Ground
Line 3
Line 2
Line 1
GND