Installation Chec S; Preparing For Initial Start-Up; Checks During And After Initial Start-Up - Olimpia splendid Sherpa OS-CEBCH48EI Handbuch Für Installation, Gebrauch Und Wartung

• terminal 2 electronic board heating/cooling mode remote free contact
• terminal 3 electronic board Eco mode remote free contact
• terminal 4 electronic board night-time mode remote free contact
• terminal 5 electronic board domestic water activation remote free contact (already connected to terminal board 5/L)
• terminal 6 electronic board TA remote free contact (see sect. 3.4 remote control)
• terminal 7 electronic board remote free contacts common connection
Terminals 1 to 7 are located on the electronic board; the terminals can be removed from the board to connect them more easily
and then returned to the original position (see g. 25).
Single-phase external unit:
• terminals L-N-
• terminals Q-P-
Three-phase external unit:
• terminals R-S-T-N-
• terminals Q-P-
2.10 INSTALLATION CHECKS ( g. 10, 15)
2.10.1 Preparing for initial start-up ( g. 15)
The initial start-up of the air-water heat pump must be carried out by quali ed technical personnel.
Before starting up the air-water heat pumps ensure that:
• All safety conditions are met.
• The air-water heat pump has been properly fastened to the support surface.
• The minimum distance has been observed.
• The hydraulic connections have been carried out in accordance with the instruction booklet.
• The hydraulic system has been charged and bled.
• The hydraulic circuit on/off valves are open.
• If a boiler is tted in the system, check that check valves have been installed on the water inlets on the heat pump and on
the boiler to prevent loss of water ow in the system and excessively hot water entering the heat pump.
• The electrical connections have been made correctly.
• Voltage is between 198 and 264V for single-phase units, and 342 and 440V for three-phase units.
• The three-phase power supply for three-phase models has a maximum unbalance between phases of 3%.
• The system is correctly earthed.
• All the electrical connections have been correctly tightened.
• The power cables have a section that is adequate for the consumption of the appliance and the length of the connection
made.
• The water hardness adjustment has been carried out and the potentiometer is correctly positioned on the wash control card.
• Remove any objects, particularly chips, bits of wire and bolts and screws
• Check that all the cables are connected and that all electrical connections are secure
• Before the compressor can be started, the system must have been on continuously for at least 5 hours.
• Both the gas pipe valve and the liquid pipe valve ( g. 15 ref. E) must be open.
• Ask the client to attend the running test.
• Illustrate the contents of the instruction manual to the customer• Hand over the instruction manual and the warranty certi cate
to the client.
2.10.2 C ec s during and after initial start-up ( g. 10)
When the start-up has been completed check that:
• The current absorbed by the compressor is below the maximum indicated on the plate data.
• Check that during compressor operation the electrical power voltage corresponds to the nominal value +/-10%.
• Check that the three-phase power supply has a maximum unbalance between phases of 3%.
• Check that the noise level of the three-phase compressor is within the norm.
• The appliance operates within the recommended operating conditions (see g. 10).
• All air has been completely bled from the hydraulic circuit.
• The air-water heat pump performs a stop and then restarts.
• The thermal gradient between system ow and return must be between 4 and 7°C, checking parameters t1 and t2
• If the thermal gradient is below 4°C, set a lower circulator speed. On the other hand, if the thermal gradient is greater than
7°C, check all the valves on the system are open and add an external pump to increase the water ow, if necessary.
external unit power supply
communication cable between internal unit and external unit
external unit power supply
communication cable between internal unit and external unit
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