Field Wiring Disconnect - Cooling Unit With Or Without Electric Heat And All Units With A Vfd Option; Field Wiring Disconnect - Cooling Unit With Gas Heat Without A Vfd Option - Johnson Controls ZF Series Installation Manual

Power wiring detail
Units are factory wired for the voltage shown on the unit
nameplate. See Table 13, Electrical data, on page 23 to size
power wiring, fuses, and the disconnect switch.
GROUND
LUG
Figure 22: Field wiring disconnect - cooling unit with or without electric heat and all units with a VFD option
GROUND
LUG
Figure 23: Field wiring disconnect - cooling unit with gas heat without a VFD option
Johnson Controls Ducted Systems
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
5566018-YIM-B-1018
THREE
PHASE
POWER
SUPPLY
THREE
PHASE
POWER
SUPPLY
21