WarmlyYours Snow Melting & Slab Heating - Manual (Page 19)

APPENDIX H:
SNOW MELT DIAGRAM 240V - TYPICAL LINE DIAGRAM (FOR 6 CIRCUITS/CABLES) WITH ECONOMY CONTROL
240V CIRCUITS
SLAB-SS
LOW VOLTAGE (24V)
120V
CONTROL
POWER
Heater cable 20ft cold leads to be taken through
3/4” (19mm) rigid metal conduit back to J-boxes.
Slab mounted snow sensor, located
between two passes of Heating Cable.
Installer may use more J-boxes
outside or inside building.
(conduit size as per installer)
240V CIRCUITS 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
SCE-120
CONTROLLER
120/240 VAC
BREAKER PANEL
RLY-12PL
RELAY PANEL
Outside Inside
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