York YCUL0045E, Installation Operation & Maintenance

Page: 26 / 144

JOHNSON CONTROLS
26
FORM 150.63-NM8 (1020)
INSTALLATION
FIG. 7
–
CTB2 POWER PANEL FIELD WIRING
CONTROL WIRING
LD04290A
It is possible that multiple sources of power can be supplying the unit power panel. To pre -
vent serious injury or death, the technician should verify that NO LETHAL VOLTAGES are
present inside the panel AFTER disconnecting power, PRIOR to working on equipment.
FIG. 8
–
CTB3 POWER PANEL FIELD WIRING
LD08663
**
(YCUL0125 - YCUL0275)
(YCUL0125 - YCUL0275)
GROUND
NEUTRAL
120VAC SIGNAL
GROUND
NEUTRAL
120VAC SIGNAL
120
2
GRD
GRD
2
220
CTB3
LIQUID LINE SOLENOID VALVE 1
SYSTEM 1
LIQUID LINE SOLENOID VALVE 1
SYSTEM 2
(YCUL0125 - YCUL0275)
}
}