Stropuva S7 - FLUE RING (Figure 6); Safety Valve (1.5 Bar)

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TECHNICAL PASSPORT INSTALLATION AND MAINTENANCE INSTRUCTIONS
3.5 FLUE RING (fi gure 6)
If there is excessive draft in boiler, use valve (fl ue ring) (fi g. 6) to add additional air from boiler
room. Flue ring is on the opening used for boiler smoke removal (5) (fi g. 1). Flue hole must be
open in order to reduce draft and vibration. In order to increase draft – use fl ue ring (fi g. 6) to
close the hole.
3.6 SAFETY VALVE (1.5 BAR)
Valve is designed to protect solid fuel boilers from overheating. Valve opens when pressure
of water reaches dangerous value, then hot water is released in to sewerage, at the same time,
cold water from water supply is added through automatic system.
Valve must be mounted at the upper part of boiler (17) (fi g. 1) near the fl ue (see 6.2; 6.3; 6.4;
in connection diagrams No. 23). Cold water from water supply system is connected to system
of automatic water addition, which is connected to water return line of heating system, near the
boiler.
ATTENTION! Operation of safety valve must be inspected once a month.
Figure 6
Figure 7