Wiring Connections
5
4iE Portrait
Step 2 - Wiring Connections
!
Isolate the thermostat from the mains supply
throughout the installation process
Heating Load connected to 4iE - Max. 15 Amps
N.B. Input voltage 120V (Hot/Neutral) or
240V (Hot/Hot). Device is dual
voltage capable.
L1-LOAD-L2
L1-LINE
L2
1
2 3
EXT
FLOOR SENSOR
(NO POLARITY)
L1-LOAD-L2
HEATING
(MAX 3600W/
15 Amps)
L1-LINE-L2
POWER
SUPPLY
L2-LINE
HOT (120V)
SUPPLY WITHOUT GFCI
PROTECTION
NEUTRAL (120V) OR
HOT (240V)
Heater/s
Max 15A
L1-LINE
This is the most common connection