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INSTALLATION
8.3.4 - Connection to a double heating circuit with a domestic hot water production system
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.
Note :
- Fitting an oil filter to the burner oil inlet is recom-
mended.
10- ELECTRICAL CONNECTIONS
WARNING - ELECTRICAL SHOCK HAZARD!
DISCONNECT THE POWER SUPPLY BEFORE ATTEMPTING ELECTRICAL
INSTALLATION OF THE UNIT.
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),
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.
Dc1
VM1
C
C3
P3
Rc2
Dc2
C2
P2
VM2
Sd
Ss
B
Rc1
M
C1
FCX-36-U
C
Boiler
M
Pressure gauge
C1 = Radiator circuit
VM1 1
st
circuit mixer valve
Dc1 1
st
circuit heating output
Rc1 1
st
circuit heating return
C2 = Underfloor heating circuit
P2
2
nd
circuit heating circulator
VM2 2
nd
circuit mixer valve
Dc2 2
nd
circuit heating output
Rc2 2
nd
circuit heating return
Sd
Heating output sensor
C3 = Domestic hot water production
circuit
P3
Domestic hot water pump
B
Domestic hot water production
system
Ss
Domestic hot water sensor
Fig. 27
!
