5
Electrical diagram 230V ~ for electrical heating
cartridge 2772 901
Electrical diagram 230V ~ for electrical
heating cartridge 2772 911
Operating
thermostat
1050 W
1050 W
230 V ~
Relay
Operational
relay 12 V
Temperature
limiter
4
Motor
1050 W
1050 W
Operating
thermostat
Relay
Temperature
limiter
Operational
relay 12 V
230 V ~
THE ELECTRICAL HEATING CARTRIDGE
These instructions deal with installation and assembly
of Alde’s electrical heating cartridge. The electrical
heating cartridge is intended for internal assembly in
caravan, camper or leisure boat.
It is constructed of a stainless steel cylinder with 2
stainless steel electrical elements inside. A 230V circu-
lation pump mounted at one end (not 2772 911).
A bipolar overheating protection (110°C) and an oper-
ating thermostat (80° C), which regulates the tempera-
ture of the uid in the electrical heating cartridge, is
mounted to the connection box on the long side of the
cylinder.
The electrical heating cartridge is intended for mount-
ing in an open vented system with expansion vessel.
NB! Remember to read the instructions for use care-
fully in order to be able to use the electrical heating
cartridge correctly. Persons with limited physical or
mental ability (including children) may not use the ap-
paratus without instruction as to how to do this safely.
Children should be kept supervised so that they do not
play with the apparatus.
TECHNICAL DATA
Length: 400 mm (290 without motor)
Height: 150 mm
Width: 90 mm
Weight: 2,3 kg (1,8 kg without motor)
Rated voltage: 230 V ~
Element power: 2100 W (2 x 1050 W)
Motor power: 25 W
Connection pipes: Ø 22 mm
Volume of liquid: 0,8 liter
Max radiator pressure: 0,05 MPa ( 0,5 bar)
Electrical heating cartridge type 2772 901
Shall be assembled vertically/horizontally in the
heating system. Incl. circulation pump, room thermo-
stat and bracket.
Electrical heating cartridge type 2772 911
Shall be assembled vertically/horizontally in the heat-
ing system, or vertically on all Alde Comfort boilers,
6
Electric diagram for room thermostat 2772 310
6
5 4 2 3
0+
+12V DC (yellow)
GND
BLUE GREY RED
1
ON
OFF
OFF
2
1
B
A
C
B C A
The chamfered side of the
control cable
The
chamfered
side of the
control
cable
Flow direction
Circuit diagram 12V ~ for 2772 901/911
for connection to thermostat 2772 310
Thermostat 2772 310
(without cover)
Terminal block 12v DC to electrical
heating cartridge
4
5
RED
2000W
YELLOW
+12V DC
GREY
1000W
BLUE
PUMP
BLACK
MINUS
6
3
2
1
321 4 5 6
3
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