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  3. Power Modulator Snow Melt Control

WarmlyYours Power Modulator Snow Melt Control Product information

  • I have reviewed the datasheet for the WarmlyYours Power Modulator SCPM-CO-120-3. This document details the wiring diagram and specifications for the snow melt control system, including its four contactors, zone operation capabilities and ground fault protection. I'm ready to answer your questions about this device.
  • How many contactors does the Power Modulator have?
    What is the maximum capacity of each contactor?
    How many zones can the Power Modulator operate?
    How do I disable the ground fault protection?
Relay Panel 8
Relay Panel 7
Relay Panel 5Relay Panel 4
Relay Panel 3
Relay Panel 2
Contactor 1
30Amps / 300Vac
Power Modulator 3 has 4 contactors, each one can take up to 300 VAC, 30 Amp. SCPM can operate up to 4 zones with selectable sequencing method.
SCPM has double wire terminals for the load connections. The built-in ground fault protection must be disabled, by disconnecting the two wires
connected to the green terminals on the Ground Fault Sensor.
CIRCUIT BREAKERS PANEL
H11.1
L1.1 L2.1 L1.2 L2.2 L1.3 L2.3 L1.4 L2.4 H21.1H11.2 H21.2 H12.1H12.2 H22.1H22.2 H13.1H13.2 H23.1H23.2 H15.1H15.2 H25.1H25.2
L1 L2
T1 T2
L1 L2
T1 T2
L1 L2
T1 T2
L1 L2
T1 T2
Contactor 2
30Amps / 300Vac
Contactor 3
30Amps / 300Vac
Contactor 4
30Amps / 300Vac
120V
Main
Supply
120 VAC
L1 N1
Power Modulator Snow Melt Control
SCPM-CO-120-3 with Relay Panels
Installation Support • (800) 875-5285 • www.WarmlyYours.com
Relay Panel 1
Relay Panel 6
120V 120V 120V 120V
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