Appendix
33
Compress Hybrid 7000i AW – 6721833053 (2020/09)
12.2 Installer module
Fig. 45 Connection diagram of installer module
Solid line = factory connection
Dotted line = external connection
[1] CAN-BUS Connection to outdoor unit
[2] CAN-BUS Connection for cascade
[3] Power supply for MB LAN 2 12 V (accessory)
[4] BBT Tool connection
[5] EMS connection for HMI
[6] EMS connection for accessory
[7] External input 3
[8] External input 2
[9] External input 1 (energy supplier)
[10] Not used
[11] TC1 flow temperature sensor
[12] TC0 return temperature sensor
[13] DHW temperature sensor for cylinder (not used, as DHW is
supplied via external booster heater)
[14] T1 outside temperature sensor
[15] T0 flow temperature sensor at the outlet of the buffer cylinder
(installed here instead of on buffer cylinder if buffer cylinder
is not installed)
[16] 230 V power supply
[17] Power supply to the DHW circulation pump in the indoor unit
[18] Power supply to the external heating circuit pump
[19] Relay output for heating/DHW diverter valve (not used, as DHW is
supplied via external booster heater)
[20] Relay output for cooling mode, 230 V
[21] Relay output for recirculation diverter valve, 230 V
[22] Relay output for DHW circulation pump (not used, as DHW is
supplied via external booster heater)
[23] Volt free output (connection terminal) on relay box for external
booster heater
[24] Relay output for 230 V electric booster heater in DHW cylinder
(not used, as DHW is supplied via external booster heater)
[25] Mixer of the external booster heater
[26] Alarm for 230 V external booster heater
[27] External input (smart grid)
[28] PWM signal for the DHW circulation pump of the indoor unit
[29] 0-10 V actuation for external booster heater
[30] Alarm buzzer (accessory)
[31] Humidity sensor (accessory for cooling mode)
0010031713-002
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