System version 4
Electrical connection (230 V versions)
Connections at the main connection area X60
F Control unit power supply
G Instantaneous heating water hea-
ter power cable (circuit breakers
must be blocked)
*1
Never operate 230 V units in
(cont.)
H External connections at natural
K KM BUS
. For more information, see page 14.
Preparing for installation
*
1
cooling extension kit
51