25
WIRING DIAGRAM
ATTENTION:
Do not invert PHASE and NEUTRAL wirings
In the event of operation with
Tmf
modulation thermostat, it is necessary to remove the bridge between terminals
4
and
5
of
MR
terminal board.
In the event of operation with mains voltage 230/240 V three-phase without neutral, a bridge will have to be
made between terminals
L3
and
N
of
MR
terminal board, and a triangle connection made in the
MB
motor.
Keys
BRM
Motor relay coil
CT
Thermal relay contact
F
Fuse
FA
Anti-interference filter
FR
Photoresistor
IG
Main switch
Ima
ON/OFF switch
LR
Lock-out warning light
MB
Burner motor
MMS
LANDIS SQN ... servo control
terminal board
MPE
LOA 44-LMO 44 control box
terminal board
MR
Auxiliary terminal board
PS
Reset push-button
RM
Motor relay contacts
RT
Thermal relay
TC
Boiler thermostat
Tmf
2nd stage modulation
thermostat (option)
TR
Ignition transformer
TS
Safety thermostat
VE1
1st stage solenoid valve
VE2
2nd stage solenoid valve
VS
Safety solenoid valve
Содержание PG 180/2
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