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Installation
OPTIONAL SINGLE-POINT POWER WIRING
N-F DISC SW OR CIRC BKR (0045 - 0275)
Power Panel
Electrical Notes and Legend located on Page 24.
It is possible that multiple sources of power can be supplying the unit power panel.
To prevent serious injury or death, the technician should verify that no lethal volt-
ages are present inside the panel after disconnecting power, prior to working on
equipment.
FIG. 4 – OPTIONAL SINGLE POINT POWER WIRING
20
N-F Disconnect
Sw. OR Molded
Case Circuit
Bkr.
1L1
1L2
1L3
See electrical note 9
To Field Installed Liquid Line Solenoid Valves
Control Panel
CTB3
2
L
Micropanel
CTB2
13 14
CTB1
Field 120-1-50 Micropanel
Power Supply if control
transformer not supplied
Field Unit Power
Supply
Air Proving Switch
LD04830
YORK INTERNATIONAL
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