User guide

Electrical Considerations
SECTION 4
8
4.3 Wiring Diagram
Note: All electrical work must be done by a qualied, licensed electrician in accordance with local building and
electrical codes, and the National Electrical Code (NEC), especially Article 424, Part IX of the NEC, ANSI/NFPA 70 and
Section 62 of the Canadian Electrical Code (CEC), Part I, as well as any other applicable statutory requirements.
Exampleoftypicalwiringdiagramfor120Vor240VinstallationsisgiveninFigure1.Refertotheinstructionsthatcame
withyourspecicthermostat.
Figure 1. Wiring Diagram for 120V or 240V WarmlyYours TempZone™ Floor Heating Cable (Twin) Installation
HOT
FROM POWER SOURCE 120V or 240V
HOT (240V) or
NEUTRAL (120V)
HOUSE GROUND
Red (240V) or
Yellow (120V) Wires
Double-Gang Box
with a Single-Gang
Mud Ring
Red
Black
Red
Copper
Ground
Black
Black Lead
THERMOSTAT
Load
S
L2 (N)
L1 (L)
BRAIDED GROUND SHEATH
COLD LEAD
BLACK WIRE
RED 240V
or
YELLOW 120V