LEGEND
COM — Common
CR — Compressor Relay
CWP — Chilled Water Pump
DLS — Demand Limit Switch
GCS — Ground Current Sensing
NC — Normally Closed
NO — Normally Open
TB — Terminal Block
TC — Temperature Control
Field Wiring
Factory Wiring
Accessory
NOTE: Manual lead/lag selector switch must
be disconnected when using automatic lead/
lag accessory.
FIELD ACCESSORY WIRING
Fig. 17 — Field Wiring Diagram; 30HK, HL Units
FIELD POWER WIRING, 60 Hz UNITS FIELD CONTROL WIRING, 50 Hz UNITS
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