Product data

Typical field wiring (cont)
23XL TYPICAL FIELD WIRING WITH OPTIONAL UNIT-MOUNTED STARTER (FRAME 1 AND 2 CHILLERS)
IMPORTANT: Wiring shown is typical and not intended to show the detail for a specific
installation. Refer to certified field wiring diagrams.
ITEM DESCRIPTION
1
Benshaw Solid State w/Shunt Trip Disconnect
Benshaw Solid State w/Shunt Trip Circuit Breaker
Cutler Hammer Wye-Delta w/Shunt Trip Disconnect
Cutler Hammer Wye-Delta w/Normal Interrupt
Circuit Breaker
Cutler Hammer Wye-Delta w/Normal Interrupt
Hi Interrupt Breaker
Pilot Relays
(With Two N.O.
Contacts Each)
See Note 3.3
PR1 (Chilled Water Pump)
PR2 (Condenser Water Pump)
PR3 (Cooling Tower Fan)
PR4 (Shunt Trip Outout)
PR5 (Alarm Output)
Control Power Transformer (1 KVA)
Controls and Oil Heater Circuit Breaker
Starter Management Module Package
Phase Loss/Reversal Imbalance Protection
3-Phase Digital Ammeter
NEMA-1 Enclosure with Internal Fan Cooling
and Lockable Hinged Doors
Microprocessor-Based Overload Trip Protection
Ground Fault Protection
2 Compressor Motor Starter Branch Disconnect
ITEM DESCRIPTION
A Chilled Water Pump Starter Disconnect
B Chilled Water Pump Motor Starter
C Condenser Water Pump Starter Disconnect
D Condenser Water Pump Motor Starter
E Cooling Tower Fan Motor Starter Disconnect
F Cooling Tower Fan Motor Starter
G Chilled Water Flow Switch (N.O.). See Note 3.1
H Condenser Water Flow Switch (N.O.). See Note 3.1
J Spare Safety Devices (N.O.). See Note 3.1
K Remote Start/Stop Device (N.O.). See Note 3.1
L Remote Alarm. See Note 3.3
M Remote Annunciator. See Note 3.3
N Lug Adapters. See Note 2.1
38