User Manual

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Building Technologies CC1N7491.1en
03.04.2018
Functions (cont'd)
AC120/230V
NTC - 10 k
NTC - 10 k
NTC - 1 k
FE
Temperature limiter (TB) (security related)
Room thermostat (compatible with Y-Plan) *)
Flow monitor heating primary (hall or contact /
water pressure switch / bridge) (not security related)
DHW hall sensor / DHW flow switch *)
or input condensate switch *)
or DHW temperature sensor 2 *)
Flue gas temperature limiter
NTC or contact (not security related)
Temperature sensor heating
DHW temperature sensor
Outside sensor *)
Timer heating *)
Release (N) (security related)
Ionization probe
(security related)
Mains supply (main switch and
fuses outside the circuit board) *)
NTC
Power
transformator
OpenTherm room unit
(additional P settings, etc.)
Interface
PC tool or ACS420 / OCI490
PC tool or ACS425 / OCI425
230V RAC
DC 24 V interface (PELV)
Gas valve *)
DC fan
(PWM / HALL) *)
Heating circuit pump
(not security related) *)
3-way valve heating / DHW *)
or
condensate pump *)
HMI
DHW
LED´s
Flame
DHW
DC 7V PWM interface
Potential-free connection
Heating circuit zone pump /
Alarm message
1
2
3
NTC-10 K
AC120/230V
AC120/230V
AC120/230V
AC120/230V
AC120/230V
AC120/230V
AC120/230V
*) Depending on the type of LMU34