CIAT GeoCIAT, Instruction Manual

Page: 23 / 58

EN
EN - 21
3. COMMISSIONING
It is advisable not to connect pressure gauges to the refrigerating circuit when starting up the unit (except in the case
of incidents). Taking temperature readings is sufficient in most cases. Refer to the information on the HomeConnect
terminal (see paragraph 5.3 "configuration").
3.1 Checks
- Check for any refrigerant leaks.
- Open the valves on the water circuits and make sure water is flowing through the heat pump.
- Bleed all the air out of the water circuits.
- Check for loose electrical connections.
- Make sure that the supply voltage matches the unit voltage and that its value remains within the permissible limits
for the nominal voltages.
3.2 Starting up the unit
The procedure below is used to prepare the electronic board for pairing with the control terminal, with the control terminal
powered off.
3.2.1 Powering up the terminal
- Place the 3 batteries in the battery compartment located on the rear of the terminal.
- Foolproofing devices prevent the batteries from being incorrectly inserted.
- When the terminal is first powered up, all the pictograms are displayed for 3 seconds before the initialisation phase begins.
Note: remember to remove the plastic tab from the battery compartment in order to power on the terminal.
3.2.2 Initialising the terminal
Set the initialisation parameters displayed on the screen, one at a time:
1 - Select the language
2 - Set the date
3 - Set the time
4 - Set the altitude at which the
heat pump is installed
5 - Select the temperature unit Turn the button to change the
parameter value.
Confirm by pressing the set
parameter value.
After setting the temperature unit, the Heat pump pairing menu appears on the screen
to establish communication between the control terminal and the heat pump.
3.2.3 Heat pump pairing
The unpaired GeoCIAT
TM
Modular which is supplied with mains power activates a series of actions to prepare for system start-up:
- activation of the accelerator pump to bleed air from the heating circuit
- activation of the electric heating elements with a setpoint of 25°C.
While the machine is unpaired, the relays on the electronic board are activated to supply the indoor accelerator pump and the
electric heating elements. The only control active in Unpaired mode is monitoring of the water return temperature level to obtain
a water setpoint of 25°C (hysteresis: 21°C).
The accelerator pump supply activates the air bleed sequence (12 hours with the accelerator pump stopping for 5 minutes every
15 minutes):
- accelerator pump start-up with on/off cycles.
Once the machine has been paired, the latter exits system start-up preparation mode by setting the actuators indicated above
to the rest position.
Heat pump pairing
B
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TERMINAL SETTING
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TERMINAL SETTING
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TERMINAL SETTING
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TERMINAL SETTING
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TERMINAL SETTING
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01 - 01 - 2014
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