11
The boiler by customer´s request can be equipped with the security gas fitting:
1. VALVES FOR BOILER with 8-sections
- HONEYWELL VR 4601 QB 2001 WITH HIGH – LOW REEL (COIL) and a smooth start with an
output at the pilot burner
2. IN PARALLEL CONNECTED ELECTROMAGNETIC GAS VALVES FOR BOILER WITH 10, 12 and
15 SECTIONS
- HONEYWELL VR 4601 QB 2001 WITH HIGH – LOW REEL (COIL) and a smooth start with an
output at the pilot burner
- HONEYWELL VR 4605 QB 2002 B WITH HIGH – LOW REEL (COIL) and a smooth start
-
The boiler can be operated with heat output stated in tab. no. 2 (setting to the given nominal heat output
is done by the manufacturer)
-
It works in the regime of a nominal/reduced heat output
Fig. no. 4
VR 4601 QB 2001 with High – Low coil/reel and the output to the pilot burner
Fig. no. 5
VR 4605 QB 2002 with High – Low coil/reel without the output to the pilot burner
Cover
of
nominal
and
reduced regulation screw
(internal regulation screw is
accessible
after
its
unscrewing)
High – Low
coil/reel
Cover
of
nominal
and
reduced regulation screw
(internal regulation screw is
accessible
after
its
unscrewing)
Measurement of
gas
input
pressure
Gas input
into the valve
Gas
pressure
regulator
Gas output
into the burner
Measurement of gas
output pressure (pressure
at the burner nozzles
Output to the pilot
burner
