WarmlyYours Snow Melting & Slab Heating User Manual

Page 22

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APPENDIX K:

SLAB HEATING DIAGRAM: 240V - TYPICAL LINE DIAGRAM (FOR 6 CIRCUITS/CABLES) WITH THERMOSTAT CONTROL

240V CIRCUITS

LOW VOLTAGE (24V)

120V

CONTROL

POWER

Heater cable pigtail cold leads to be taken thru
3/4” (19mm) rigid metal conduit back to J-boxes.

Slab temp sensor probe to be enclosed
in metal conduit that is capped off,
between two passes of heat cable.

(conduit size as per installer)

240V CIRCUITS

240V
240V
240V

J-BOX

HEATER CABLE

TH115, 120V

THERMOSTAT

120/240 VAC

BREAKER PANEL

RLY-12P

RELAY PANEL