Thermia iTec Commissioning

In iTec Total a multi power stage heater (IMM. HEATER) is factory installed. The indoor unit control system engages the appropriate
amount of heating power to ensure the desired heating system temperature. Below is a table describing the different power steps.
In power steps 1 – 3, +4 and +5, the compressor and the electrical auxiliary heater can be engaged at the same time. In power steps 4
and 5 only the electrical auxiliary heater is engaged.
N
Power steps +4 and +5 can only be engaged for 400V 3-N electrical
auxiliary heater
230V 1-N Electrical auxiliary heater
The following settings are made in the Service Menu. If not already in the Service Menu, enter the Service Menu by pressing and holding
left arrow (<) for at least 5 seconds. Use + or – to move up and down in the menu.
N
Electrical auxiliary heater for 230V, 1-N. Step 3 is highest setting.
Setting of electric auxiliary heater for 230V, 1-N. Max step 3 in the SERVICE menu:
▪
SERVICE
▪
AUX. HEATER.
▪
MAX STEP
▪
Select max step.
400V 3-N Electrical auxiliary heater
The following settings are made in the Service Menu. If not already in the Service Menu, enter the Service Menu by pressing and holding
left arrow (<) for at least 5 seconds. Use + or – to move up and down in the menu.
N
Electrical auxiliary heater for 400V, 3-N. Step 5 is highest setting.
Setting of electrical auxiliary heater for 400V, 3-N. Max step 5 in the SERVICE menu:
▪
SERVICE
▪
AUX. HEATER.
▪
MAX STEP
▪
Select max step.
3.6
Activate electrical auxiliary heater in iTec Standard
N
If a single power stage heater is used (on/off heater, can be an oil
burner or equivalent), this setting is the appropriate one.
The potential free outputs must be used.
If a multi power stage heater is installed, use the settings in the chap-
ter above: "Activate the electrical auxiliary heater in iTec Total"
Commissioning iTec
Thermia Värmepumpar VIJSR102
13

Thermia iTec Specifications

General

Brand	Thermia
Model	iTec
Category	Heat Pump
Language	English