Worcester controls – Flowserve 72 Series Electri-SAFE User Manual
Page 3
WCAIM2049
Series 72 “Electric-SAFE” On/Off Operation Including CLC Option
3
DC Electrical Supply (on/off models with one integral solenoid):
With assembly complete to this point, it is convenient to make
conduit connections and bring wiring through enclosure. It should be
noted that the successful use of this device in hazardous atmospheres
or other detrimental environments depends on proper conduit
construction techniques.
The solenoid coil wattage and required amperage is as follows:
Voltage
Holding Amps
Watts
24 VDC
.45
10
A. Remove limit switch cover and gasket.
B. Attach power supply wires to terminal strip locations 7 and 8 per
the wiring diagram shown on previous page and also located on
the inside of the limit switch cover.
NOTE: All wiring to terminal strip should be inserted only to mid-
point of strip.
C. Attach the ground wire to the customer’s green grounding screw
located on the limit switch casting flange face.
AC Electrical Supply (CLC models with two integral solenoids):
With assembly complete to this point, it is convenient to make
conduit connections and bring wiring through enclosure. It should be
noted that the successful use of this device in hazardous atmospheres
or other detrimental environments depends on proper conduit
construction techniques.
Control solenoid wattage for 120 VAC and 240 VAC is 6 watts.
The failsafe solenoid coil wattage and required amperage is as follows:
Voltage
Holding Amps*
Watts
120 VAC 50/60 Hz
.2
10
240 VAC 50/60 Hz
.1
10
*Inrush is 80% greater than Holding values on AC solenoids.
A. Remove limit switch cover and gasket.
B. Attach power supply wires to terminal strip locations 7 and 8 per
the wiring diagram shown below and also located on the inside of
the limit switch cover.
NOTE: All wiring to terminal strip should be inserted only to mid-
point of strip.
C. Attach the ground wire to the customer’s green grounding screw
located on the limit switch casting flange face.
Flow Control Division
Worcester Controls
DC Wiring