Commissioning; Commissioning Checklist; Functional Test; Handover To The User - Bosch CL3000iU W 26 E Installation Instructions Manual

Commissioning

Outdoor unit Mains fuse
protection
CL3000i 26 E 13 A
CL3000i 35 E 13 A
CL3000i 53 E 16 A
CL3000i 70 E 25 A
Table 69
▶ Undo the screw and remove the cover of the electrical connection
( Fig. 21).
▶ Secure the communication cable to the strain relief and connect to
the terminals W, 1(L), 2(N), S and
terminals same as indoor unit) ( Fig. 22).
▶ Secure power cable to the strain relief and connect to the terminals
L, N and .
▶ Reattach cover.
4 Commissioning
4.1

Commissioning checklist

1 Outdoor unit and indoor unit 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 The horizontal louver of the indoor unit is fitted
correctly and the actuator is engaged.
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.
Fault code Possible Cause
EC 07 Fan speed of outdoor unit outside the normal range
EC 51 Faulty parameter in the EEPROM of the outdoor unit
EC 52 Temperature sensor error at T3 (condenser coil)
54
Conductor cross-section
Power cable Communication
cable
2 2
≥ 1.5 mm ≥ 1.5 mm
2 2
≥ 1.5 mm ≥ 1.5 mm
2 2
≥ 1.5 mm ≥ 1.5 mm
2 2
≥ 2.5 mm ≥ 2.5 mm
(assignment of wires to
Table 70
4.2

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 Mode key to set the cooling mode (').
▶ Press arrow key (/) until the lowest temperature is set.
▶ Test cooling mode for 5 minutes.
▶ Press the Mode 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 louver.
If the room temperature is less than 17 °C, the cooling mode must be
switched on manually. This manual operation is only envisaged for
testing and emergency situations.
▶ Otherwise, always use the remote control.
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
( Fig. 23).
▶ Press the Mode key on the remote control to exit cooling mode when
it has been set manually.
In a system with multi-split air conditioner, manual operation is not
possible.
4.3

Handover to the user

▶ 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, a fault code appears in the display
(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.
Climate 3000i – 6721823680 (2023/03)