WarmlyYours Snow Melting & Slab Heating - Manual (Page 18)

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APPENDIX G:
SNOW MELT DIAGRAM 240V - TYPICAL LINE DIAGRAM (FOR 6 CIRCUITS/CABLES) WITH PREMIUM CONTROL
240V CIRCUITS
AIR-SS
LOW VOLTAGE (24V)
LOW VOLTAGE (24V)
120V
CONTROL
POWER
Heater cable pigtail cold leads to be taken through
3/4” (19mm) rigid metal conduit back to J-boxes.
Slab mounted temperature probe sensor
for high temp cut-off, to be housed inside
a 3/4” rigid metal conduit between two
passes of heater cable.
Aerial mounted snow sensor location
as per the installer.
Installer may use more J-boxes
outside or inside building.
(conduit size as per installer)
240V CIRCUITS
Outside Inside
240V
240V
240V
240V
240V
240V
J-BOX
J-BOX
HEATER CABLE / MAT #1
HEATER CABLE / MAT #2
HEATER CABLE / MAT #3
HEATER CABLE / MAT #4
HEATER CABLE / MAT #5
HEATER CABLE / MAT #6
SCP-120
CONTROLLER
120/240 VAC
BREAKER PANEL
RLY-12P
RELAY PANEL
LOW
VOLTAGE
(24V)
REMOTE
CONTROL
OVERRIDE