400V 3N~ Indoor Unit With 230V~ Outdoor Unit - Bosch Compress 3400i AWS Installation Manual

11.4.5 400V 3N~ indoor unit with 230V~ outdoor unit

3
2
1
Fig. 39 400V 3N~Indoor unit with 230V~ outdoor unit
[1] Indoor unit terminals
[2] EMS module (accessory)
[3] Overheating protection
[4] Electrical heater (3x1,95kW)
[5] Installer module power supply
[6] Pressure switch
[7] CAN bus line
[8] Outdoor unit
[9] Outdoor unit terminals
[10] 230V ~ power supply from the distribution board to the outdoor
unit
The output of the electric booster heater must be limited to a maximum
of 3.9kW with the configuration in parallel mode with the outdoor unit.
• Electric booster heater in compressor mode: 1.95-3.9kW (K3
blocked)
• Only electric booster heater, compressor off: 1.95-3.9-5.85kW
Compress 3400i AWS – 6721852066 (2023/01)
4
5
8
9
CAN CAN CAN
GND L H
10
Technical information
6
7
N L
0010036907-004
37