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8.3.4 - Connection to a double heating circuit with a domestic hot water production system
Fig. 27
Rc2
VM1
Dc2
Dc1
FCX-36-U
C
9 - OIL CONNECTION
The fuel connection is to realize to the burner. (Bur-
ner supplied separately).
Please refer to the technical instructions supplied
with the burner.
10- ELECTRICAL CONNECTIONS
WARNING - ELECTRICAL SHOCK HAZARD!
DISCONNECT THE POWER SUPPLY BEFORE ATTEMPTING ELECTRICAL
The electrical connection and all the equipment
used to make this connection must be in accor-
dance with the locally applicable regulations,
The premises must be suitable in terms of the boiler
protection (IP X 0D),
Rc1
M
P2
Sd
VM2
P3
INSTALLATION OF THE UNIT.
C
M
C1 = Radiator circuit
C1
VM1 1
Dc1 1
Rc1 1
C2 = Underfloor heating circuit
P2
C2
VM2 2
Dc2 2
B
Rc2 2
Sd
C3 = Domestic hot water production
Ss
C3
P3
B
Ss
Note :
- Fitting an oil filter to the burner oil inlet is recom-
mended.
WARNING: Fire hazard from hot boiler
!
components!
Hot boiler components may damage
electrical cables
- Make sure that all cables are routed
through the conduits provided or on
the outside of the boiler's thermal in-
sulation.
- Make sure the boiler is electrically
grounded to NEC or CEC require-
ments.
- 28 -
INSTALLATION
Boiler
Pressure gauge
st
circuit mixer valve
st
circuit heating output
st
circuit heating return
nd
2
circuit heating circulator
nd
circuit mixer valve
nd
circuit heating output
nd
circuit heating return
Heating output sensor
circuit
Domestic hot water pump
Domestic hot water production
system
Domestic hot water sensor
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