67
English
Installation instructions
7 TECHNICAL DETAILS/REGULATIONS
National installation regulations:
UK :
•
Gas safety installation and use regulations 1998 plus all relevant
safety and building regulations concerning fi re installation
•
Document J: Combustion appliances and fuel storage systems
Model
: VERTICAL BELL SMALL TUNNEL 3 CF (Centre Fire)
Gas
: NATURAL GAS
Country
:
GB; Great Britain / IE; Ireland
Product identifi cation no
: 0063CM3684
Type of appliance under CE-norm
: C
11
/ C
31
/ C
31S
Category of appliance
: I
2H
natural gas G20
Nominal heat input
: 9.8 kW
(Gross calorifi c value)
Nominal heat output
: 7.5 kW
Effi ciency class
: 1 (85%)
NOx-class
: 5
Gas rate (max.)
: 0.92 m
3
s
/hr.
Supply pressure
: 20.0 mbar
Burner pressure (max.) Hot
: 13.6 mbar(*)
Burner pressure (max.) Cold
: 12.9 mbar(**)
Burner pressure (min.)
: 0.4 mbar(***)
Primary air inlet burner Rear
: 1x Ø7.0 mm
Primary air inlet burner Front
: 1x Ø7.0 mm
Gas regulator block (remote control)
: Mertik GV 60
Main burner
: Centre Fire 428x130 mm
Main burner injector Rear
: no 150 (= 1x Ø1.50 mm)
Main burner injector Front
: no 210 (= 1x Ø2.10 mm)
Pilot light burner
: SIT 0.145.019
Pilot light burner injector
: no 36 (SIT 0.977.091)
Gas connection
: 3/8” G / Ø12 mm
Concentric fl ue system connection
: Ø100 mm - Ø150 mm or
Ø130 mm - Ø200 mm