Bellfires DERBY SMALL 3, Instructions For Use & Manual Daily Maintenance, Page: 107 / 112

83
Bell  res
English
Installation instructions
7 TECHNICAL DETAILS/REGULATIONS
National installation regulations:
Gas safety installation and use regulations 1984 plus all relevant
safety and building regulations concerning ! re installation
Model : HORIZON BELL LARGE TUNNEL 3
Country : GB; Great Britain/IE; Ireland : GB; Great Britain/IE; Ireland
Product identi! cation no : 0063CM3684 : 0063CM3684
Type of appliance under CE-norm : C
11
/ C
31
/ C
31S
: C
11
/ C
31
/ C
31S
Category of appliance : I
2H
natural gas G20 : I
3B/P
butane/propane G30/G31
Nominal heat input : 12.7 kW : Butane (G30) : 11.5 kW
(Gross calori! c value) Propane (G31) : 10.0 kW
Nominal heat output : 9.8 kW : 7.7 - 8.8 kW
Ef! ciency class : 1 (85%) : 1 (85%)
NOx-class : 5 : 5
Gas rate (max.) : 1.20 m 3
s
/hr. : Butane (G30) : 880 gr/hr.
Propane (G31) : 750 gr/hr.
Supply pressure : 20.0 mbar : Butane (G30) : 37.0 mbar
Propane (G31) : 37.0 mbar
Burner pressure (max.) Hot : 10.6 mbar(*) : 29.0 mbar
Burner pressure (max.) Cold : 9.6 mbar(**) : 29.0 mbar
Burner pressure (min.) : 1.6 mbar : 5.0 mbar
Gas regulator block (remote control) : Mertik GV 60 : Mertik GV 60
Main burner : IGP 1154x140 mm natural gas : IGP 1154x140 mm propane
Primary air inlet main burner : 1x Ø12.0 mm : 2x Ø20.0 mm
Main burner injector : no 18 / 1200 : no 18 / 320
(= 7x Ø1.27 mm) (= 7x Ø0.66 mm)
Pilot light burner : SIT 0.145.019 : SIT 0.145.019
Pilot light burner injector : no 36 (SIT 0.977.091) : no 23 (SIT 0.977.150)
Gas connection : 3/8” G / Ø12 mm : 3/8” G / Ø12 mm
Concentric " ue system connection : Ø100 mm - Ø150 mm or : Ø100 mm - Ø150 mm or
Ø130 mm - Ø200 mm Ø130 mm - Ø200 mm