C10854 |
Fig. 29 - Mounting Position for Field Disconnects
(up to 100A)
Field power wires are connected to the unit at
NOTE: TEST LEADS - Unit may be equipped with short leads (pigtails) on the field line connection points off the optional disconnect switch. These leads are for factory
!WARNING
FIRE HAZARD
Failure to follow this warning could result in intermittent operation or performance satisfaction.
Do not connect aluminum wire between disconnect switch and unit. Use only copper wire.
(See Fig. 30.)
ELECTRIC
DISCONNECT
SWITCH
COPPER
WIRE ONLY
ALUMINUM
WIRE
A93033
Fig. 30 - Disconnect Switch and Unit
All Units —
All field wiring must comply with NEC and all local requirements. Size wire based on MCA (Minimum Circuit Amps) on the unit informative plate. See Fig. 31 and the unit label diagram for power wiring connections to the unit power terminal blocks and equipment ground. Maximum wire size is 2/0 AWG per pole.
Provide a
Voltage to compressor terminals during operation must be within voltage range indicated on unit nameplate. See Table 10. On
All units except
!CAUTION
UNIT DAMAGE HAZARD
Failure to follow this caution may result in equipment damage.
Operation on improper line voltage or excessive phase imbalance constitutes abuse and may cause damage to electrical components. Such operation would invalidate any applicable Carrier warranty.
NOTE: Check all factory and field electrical connections for tightness.
Units Without Factory-Installed Disconnect —
When installing units, provide a disconnect switch of adequate size per NEC (National Electrical Code). Disconnect sizing data is provided on the unit informative plate. Locate on unit cabinet or within sight of the unit per national or local codes. Do not cover unit informative plate if mounting the disconnect on the unit cabinet.
Units with Factory-Installed Disconnect —
The
48TC**16
15