Field Wiring Disconnect - Cooling Unit With/Without; Field Wiring Disconnect - Cooling Unit With; Electric Heat And All Units With Vfd Option; Gas Heat Without Vfd Option - York ZS Series Installation Manual

518676-BIM-C-0610
GROUND
LUG
Figure 21: Field Wiring Disconnect - Cooling Unit With/Without Electric Heat and All Units With VFD Option
GROUND
LUG
Figure 22: Field Wiring Disconnect - Cooling Unit With Gas Heat Without VFD Option
18
TERMINAL BLOCK TB1
CONTACTOR 1M
T1
T2
T3
L1
L3
L2
Power wiring is brought into the unit through the side of the unit
or the basepan inside the curb.
FACTORY OR FIELD
SUPPLIED DISCONNECT
FACTORY OR FIELD
SUPPLIED DISCONNECT
THREE
PHASE
POWER
SUPPLY
THREE
PHASE
POWER
SUPPLY
Johnson Controls Unitary Products