Instruction for Use
8
GB
Checking the tightness of the connection
! When the installation process is complete, check the pipe
ttings for leaks using a soapy solution. Never use a ame.
! Should the gas pressure used be different (or vary slightly)
from the recommended pressure, a suitable pressure
regulator must be tted to the inlet pipe (in order to comply
with current national regulations).
Electrical
connections
DATA PLATE
see data plate
This appliance conforms to the following
European Economic Community directives:
- 2006/95/EEC dated 12/12/06 (Low
Voltage) and subsequent amendments
- 2004/108/EEC dated 15/12/04
(Electromagnetic Compatibility) and
subsequent amendments
- 93/68/EEC dated 22/07/93 and
subsequent amendments.
- 2009/142/EEC dated 30/11/09 (Gas) and
subsequent amendments.
- 2012/19/EC and subsequent
amendments.
A
S
RS
A A
R
S
S
7HPK 755 D GH X/HA
7HPKQ 755 D GH /HA
7HPK 644 D GH X /HA
7HPKQ 644 D GH /HA
DFPK 644 GH
Table 1 Natural Gas Adjusting the burner’s
(G20 / 20 mbar) primary air
Nominal (mbar)
Minimum (mbar)
Maximum (mbar)
20
17
25
Fast (R)
Semi Fast (S)
Auxiliary (A)
Supply pressures
Burner
Diameter
(mm)
Thermal Power
kW (p.c.s.*)
157
132
110
3.00
1.90
1.00
Nomin. Reduc.
1.00
0.80
0.50
Nozzle
1/100
Flow*
l/h
(mm) (G20)
125
100
72
(mm)
4.7
2.6
2.0
286
157
95
Burner and nozzle specifications
* At 15°C and 1013,25 mbar-dry gas
Natural P.C.S. = 37.78 MJ/m³
By-pass
1/100
(mm)
73
66
54