CABLE
SECTION
CONNECTION
EXPLANATION
BROWN
YELLOW/GREEN
BLUE
BROWN
YELLOW/GREEN
BLUE
BROWN
YELLOW/GREEN
BLUE
BROWN
YELLOW/GREEN
BLUE
Using for PRIMARY CIRCULATION PUMP. 2 X
1,5 cable has to be connected to PRIMARY
CIRCULATION PUMP contactor's phase
terminal on the electrical panel. Electrical
panel connections will be made by the
installation services. Boiler connections
from the electrical panel will be made by
authorized Gassero service.
Using for DHW pump control via Master
boiler. 2 X 1,5 cable has to be connected to
DHW PUMP contactor's phase terminal on
the electrical panel. Electrical panel
connections will be made by the installation
services. Boiler connections from the
electrical panel will be made by authorized
Gassero service.
3 X 1,5
Q2 SYSTEM PUMP
CABLE
Using for system pump control via master
boiler. 2 X 1,5 cable has to be connected to
SYSTEM PUMP contactor's phase terminal on
the electrical panel. Electrical panel
connections will be made by the installation
services. Boiler connections from the
electrical panel will be made by authorized
Gassero service.
3 X 1,5
Q3 DHW PUMP
CABLE
BOILER SIDE CONNECTIONS
3 X 1,5
SUPPLY CABLE
BROWN= PHASE , BLUE = NEUTRAL ,
YELLOW = GROUND has to be connected to a
6A fuse.
3 X 1,5
Q1 BOILER PUMP
CABLE
SECTION
PICTURE
CONNETION
EXPLANATION
RED
RED/BLACK
BLACK
BLACK/WHITE
YELLOW
YELLOW/BLACK
BROWN
BROWN/BLACK
BLUE
BLUE/BLACK
BROWN
BLUE
PURPLE
GREY
YELLOW
GREEN
2x1,5
PUMP PWM
CONTROL
0 - 10 V
It connects to frequency controlled
(modulating) primary pumps 0-10
terminal. It controls the modulation of
the pump.
2x1,5
Flue Flap
Used for to control the motorized flue
flap.
0 - 10 V
INPUT
2x1,5
2x1,5
2x1,5
2x1,5
Immersion
Type Cascade
Temperature
Sensor
Room
Thermostat:
Immersion
Type DHW
Temperature
Sensor
Connects to the supply collector, the
hydraulic seperator or the plate heat
exchanger. Measures the flow
temperature. It operates from 0 ° C to 95
° C. (with + 0.5 / -0.5 ° C tolerance).
It provides communication between
boilers in cascade systems. 16 boilers can
be communicate with each other.
Used for to connect Remote Control
Systems.
Room comfort setting and operation
mode can be adjusted. Maximum 50 m
length connection is possible.
Boiler or cascade system operates
according to the outside air temperature.
Maximum 50 m length connection is
possible. It operates in the range of -50 °
C to 70 ° C (with + 1 / -1 tolerance)
Measures the DHW tank temperature. It
can operate from 0 ° C to 95 ° C. (with +
0.5 / -0.5 ° C tolerance.)
2x1,5
2x1,5
Cascade
Module:
Outside
Sensor:
BOILER SIDE CONNECTIONS
4.4.1
WIRING DIAGRAM
22
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