2.10.2 Room stat connection
To gain access to connector TA, remove
the control panel cover (7 fig. 9) and con-
nect the room stat to the terminals 22-23
after having removed the jumper.
The thermostat or timer-thermostat,
recommended for better room tempe-
rature control, must be class II as spe-
cified by standard EN 60730.1 (clean
contact).
82
2.10.3
“25 OF - 30 OF” wiring diagram with SIT control box
Fig. 20
KEY
EV1
Gas valve coil
EV2
Gas valve coil
EA
Ignition electrode
ER
Sensing electrode
A
SIT 503 control box
TS
100°C safety stat
TF
Smoke stat
FL
Flowmeter
P
Circulation pump
VP
Divertor valve
TAG
Antifreeze stat (optional)
C
Rotary switch
TA
Room stat
M
Modulator
SM
C.H. sensor
Note: The room stat (TA) must be connected to the terminals 22-23
1
2
6
7
5
8
3
4
KEY
1 Thermomanometer
2 Timer-programmer housing
3 Rotary switch
4 Electronic board
5 Earth faston
6 Instrument protection
7 Room stat cover
8 Room stat connector
Fig. 19
CONNECTOR SPARE
PART CODES:
J1
code 6260966
J2
code 6260962
J3
code 6260968
J5
code 6260957
