Thermia iTec, Пусконаладка

Страница: 17 / 52

4 Find min. flow
4.1 Finding the min. flow
Finding a sufficient flow in order to activate the flow switch can be done in the following ways:
▪
Automatically, using the FIND MIN. FLOW parameter
▪
Manually, setting the START FLOW CIRC. value for the optimum circulation pump
Make sure to activate all functions to be affected, before you start the detection sequence!
If any functions are activated after the FIND MIN.FLOW sequence is done, they will have their respective default setting.
N
For iTec Standard, with fixed speed circulation pump, the flow has to
be set from MANUAL TEST. Make sure the "F" symbol is present in the
display after finishing the test. If not, check the system for air, and that
the flow switch is correctly installed. Also consider if the size of the cir-
culation pump is sufficient for the system.
4.1.1 Find min. flow automatically
This option is only valid for a heat pump model with the optimum function.
N
If the operation mode is set to cooling, perform the min. flow search
on the heating system, not on the water heater. The flow will automat-
ically be adapted to the water heater.
To be able to automatically search for a min. flow, the following is required:
▪
The installation must be completed and checked.
▪
The heating system and water heater must be filled and bled.
▪
The configuration of the control system must be completed.
▪ The heat pump must be in operation OFF mode with the OFF symbol ( ) shown in the display.
▪
Manual test must be deactivated (0).
▪
Heating, hot water and/or cooling must be activated in the configuration.
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.
Commissioning iTec
Thermia Värmepumpar VIJSR102
17