Bosch Climate 7000i Notice D'installation page 75

4 Commissioning
4.1 Electrical and gas leak checks
4.1.1 Before the test run
CAUTION
Discharge of refrigerant due to leaky connections
Refrigerant may be discharged if pipe connections are incorrectly
installed. Reusable mechanical connectors and flared joints are not
allowed indoors.
▶ Tighten flared connections only once.
▶ Always make new flared connections after loosening.
▶ Make sure that mechanical connectors used indoors comply with ISO
14903.
Before the test run is performed:
▶ Confirm that the unit's electrical system is safe and operating
properly.
▶ Check all flare nut connections and confirm that the system is not
leaking.
▶ Confirm that all electrical wiring is installed in accordance with local
and national regulations.
▶ Measure grounding resistance by visual detection and with
grounding resistance tester.
Grounding resistance must be less than 0.1 .
4.1.2 During the test run
▶ Use and electro-probe and multimeter to perform a comprehensive
electrical leakage test.
▶ If electrical leakage is detected, turn off the unit immediately and call
a licensed electrician to find and resolve the cause of the leakage.
4.1.3 Gas leak check
There are two different methods to check for gas leaks.
Soap and water method
▶ Use a soft brush to apply soapy water, liquid detergent or lead
indicator to all pipe connection points on the indoor unit and the
outdoor unit. The presence of bubbles indicates a leak.
Leak detector method
▶ If using leak detector, refer to the operation manual of the appliance
for proper usage instructions.
After confirming that all pipe connection points do not leak:
▶ Replace the valve cover on the outside unit.
4.1.4 Functional test
The system can be tested once the installation including tightness test
has been carried out and the electrical connection has been established:
▶ Connect the power supply.
▶ Switch on indoor unit with the remote control.
▶ Press the key to set the cooling mode (
▶ Press arrow key (/) until the lowest temperature is set.
▶ Test cooling mode for 5 minutes.
▶ Press the key to set the heating mode (
▶ Press arrow key (.) until the highest temperature is set.
▶ Test heating mode for 5 minutes.
▶ Ensure freedom of movement of horizontal louvre.
Climate 7000i – 6721873506 (2024/12)
You cannot use the remote controller to turn on the COOL function when
the ambient temperature is below 16°C. For that, use the MANUAL
CONTROL button to test the COOL function:
▶ Lift the front panel of the indoor unit, and raise it until it clicks in
▶ The MANUAL CONTROL button is located on the right-hand side of
▶ Perform the test run.
To switch on the cooling mode manually:
▶ Switch off the indoor unit.
▶ Press the key for the manual cooling mode twice with a thin object
▶ Press the
In a system with multi-split air conditioner, manual operation is not
possible.
1
2
3
4
5
6
Table 12 Checklist
4.2
▶ When the system has been set up, hand over the installation manual
▶ Explain to the customer how to use the system, referring to the
▶ Advise the customer to carefully read the operation manual.
).
).
place.
the display box. Press it once to manually start in AUTO mode. Press
it twice to activate the FORCED COOLING function.
( Fig. 24).
key on the remote control to exit cooling mode when it
has been set manually.
Outdoor unit and indoor unit are correctly installed.
Pipes are correctly
• connected,
• thermally insulated,
• and checked for tightness.
Condensate pipes are functioning correctly and
have been tested.
Electrical connection has been correctly
established.
• Power supply is in the normal range
• Protective conductor is properly attached
• Connection cable is securely attached to the
terminal strip
All covers are fitted and secured.
The horizontal louvre of the indoor unit is fitted
correctly and the actuator is engaged.
Handover to the user
to the customer.
operation manual.
Commissioning
75