51
LEGEND FOR FIG. 31
19XR with Unit-Mounted VFD with ISM
See Notes on page 54.
REFERENCE
NUMBER
EXPLANATION
1
3 Phase Under/Over Voltage (Line Side)
Phase Loss/Imbalance/Reversal (Line Side)
Frequency Shift (Line Side)
kW Transducer/kW Hours/Demand kW
Over Current
Control Power Transformer (3KVA)
Controls and Oil Heater Fused Disconnect (FU2)
Oil Pump Circuit Fused Disconnect (FU1)
Phase to Ground Fault Protection
3 Phase Analog Volts/Amps Meter Package
2 System Feeder (Short Circuit, Ground Fault and Protection)
A Evaporator Liquid Pump Starter Disconnect
B Evaporator Liquid Pump Motor Starter
C Condenser Liquid Pump Starter Disconnect
D Condenser Liquid Pump Motor Starter
E Cooling Tower Fan Motor Starter Disconnect (Low Fan/#1)
F Cooling Tower Fan Motor Starter (Low Fan/#1)
G Cooling Tower Fan Motor Starter Disconnect (High Fan/#2)
H Cooling Tower Fan Motor Starter (High Fan/#2)
J Spare Safety Devices [N.C.] 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 2.3
P Ice Build Start/Terminate Device See Note 3.1
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