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