Commissioning; Commissioning Checklist; Functional Test Of The Unit; Automatic Correction Function For Connection - Bosch Climate 5000 MS Series Installation Instructions Manual

Commissioning

4 Commissioning
4.1

Commissioning checklist

1 Outdoor unit and indoor units are correctly
installed.
2 Pipes are correctly
• connected,
• thermally insulated,
• and checked for tightness.
3 Condensate pipes are functioning correctly and
have been tested.
4 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
5 All covers are fitted and secured.
6 With wall-mounted indoor units: the air baffle of the
indoor unit is fitted correctly and the actuator is
engaged.
Table 16
5

Troubleshooting

5.1

Faults with indication

WARNING
Risk to life from electric shock!
Touching live electrical parts can cause an electric shock.
▶ Before working on electrical parts, disconnect all phases of the
power supply (fuse/circuit breaker) and lock the isolator switch to
prevent unintentional reconnection.
5.2

Faults without indication

Error
The output of the indoor unit is too low.
Outdoor unit or indoor unit is not working.
36
4.2
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.
▶ Switch on cooling mode and set the lowest temperature.
▶ Test cooling mode for 5 minutes.
▶ Switch on heating mode and set the highest temperature.
▶ Test heating mode for 5 minutes.
▶ If necessary, ensure air baffle is moving freely.
Observe the operating instructions provided for operation of the indoor
units.
4.3
The outside temperature must be higher than 5 °C for this function to
work.
If the refrigerant lines and electrical wiring at the outdoor unit is
incorrectly connected, this can be corrected automatically.
▶ Bring the system into operation (open valves, switch indoor units
on).
▶ Press the test switch [1] on the main PCB ( Fig. 13) until [2] CE
appears on the display.
▶ Wait 5-10 minutes until CE is no longer displayed.
The refrigerant pipes and electrical wiring has now been corrected.
4.4
▶ When the system has been set up, hand over the installation manual
to the customer.
▶ Explain to the customer how to use the system, referring to the
operation manual.
▶ Advise the customer to carefully read the operation manual.
If a fault occurs during operation, the LEDs flash for an extended period
or an error code is displayed (e.g. EH 02).
If a fault is present for more than 10 minutes:
▶ Briefly interrupt the power supply and switch the indoor unit back on.
If a fault persists:
▶ Call customer service and provide the fault code and details of the
appliance.
Possible Cause
Heat exchanger of outdoor or indoor unit soiled. ▶ Clean heat exchanger of outdoor or indoor
Lack of refrigerant
No power
Fuse has blown.

Functional test of the unit

Automatic correction function for connection errors

Handover to the user

Remedy
unit.
▶ Check tightness of pipes, reseal if required.
▶ Refill refrigerant.
▶ Check power connection.
▶ Power on the indoor unit.
▶ Check power connection.
▶ Replace fuse.
Climate 5000 MS – 6721830162 (2020/12)