TH1123ZB
TH1124ZB
Installation Guide
Smart Thermostat for
Electric Heating
Warnings
The installation of this thermostat must be performed by a certified electrician and comply with the
national and local electrical codes and regulations.
1
Make sure that the
breakers for your
heating system are
off at the main
electrical panel to
avoid any risk of
electrick shock.
Replace the cover
4
and lock
YOUR TH1123ZB / TH1124ZB THERMOSTAT
INSTALL YOUR THERMOSTAT
2
Unlock and lift the
thermostat cover.
5
Power up the thermostat.
Out
Gateway connection status
Time
(provided by the gateway)
Secondary display:
Out
Setpoint [Set) or outside
temperature [Out]
Ambient temperature
Heating indicator
Use the connectors provided to connect the thermostat wires
3
to the wires in the electrical box.
Note: The wires of this thermostat are non-polarized.
Two-wire installation
Four-wire installation
Make sure to firmly tighten the wire
connectors for a secure connection.
A loose connection can be a fire hazard.
Special CO/ ALR solderless connectors
must be used when connecting with
aluminum conductors.
TECHNICAL SPECIFICATIONS
Operatlng voltage: 120 / 208 / 240 Vac, 60 Hz
• TH1123ZB Thermostat
Maximum load:
12.5 A / 3000 W @ 240 Vac
Resistive load only
• TH1124ZB Thermostat
Maximum load:
16.7 A / 4000 w @ 240 Vac
Resistive load only
Minimum load:
Baseboard, convector and radiant ceiling
2 A / 500 W @ 240 Vac
Fan-forced convector
4.16 A / 1000 W @ 240 Vac
Setpoint range: 5 ˚C to 30 ˚C (41 ˚F to 86 ˚F)
Display range: 0 ˚C to 50 ˚C (32 ˚F to 99 ˚F)
Resolution: ± 0.5 ˚C (± 1 ˚F)
Storage: -20 ˚C to 50 ˚C (-4 ˚F to 122 ˚F)
Operation: 0 ˚C to 50 ˚C (32 ˚F to 122 ˚F)
Protocol: Zigbee 3.0
Frequency: 2.4 GHz
Transmission power: +20 dBm
Receiver sensitivity: -108 dBm
Compatible with an electric heating system such as:
• Baseboard heater [short cycle]
• Convector [short cycle]
• Fan-forced convector [long cycle)
• Radiant ceiling heating
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