Viadrus GRAND G 36, Руководство по эксплуатации и установке

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The boiler is equipped with:
SINGLE STAGE COMBINED ELECTROMAGNETIC VALVE HONEYWELL VK 4100 A 1002
–
The boiler can only be operated at the output which can be firmly set according to tab. no. 2 (adjustment
can only be done by a contractual service organization trained by manufacturer)
–
It enables the connection of all both offered types of regulation (Honeywell CM 707 programmable
regulator or A1 – A4 regulation)
We offer the burner ignition designs as follows:
Polidoro ignition pilot burner
The burner ignition and watching operations are provided by low-emission ignition pilot burner. If the main
burner ignition is required there automatically after T
w
= 1 s waiting time the inbuilt lighter is switched on and
the ignition pilot burner gas valve opens. The ignition sparkle lights the ignition pilot burner and its flame will
be then sensed by the flame sensor. After the ignition pilot burner flame has settled the ignition is switched off
and the main valve for main burner gas supply will open. If the ignition pilot burner does not ignite during T
s
=
50 s safety time then the blocking automatics will switch on. If the flame goes out during the normal operation
the ignition automatics will repeat the ignition cycle.
The ignition pilot burner is switched off together with the main burner.
Other controlling, safety and signalling elements are installed in boiler control panel which is equipped with
network module with elements as follows:
-
the main switch
- exceeded temperature signalling (link to the safety thermostat and combustion products return flow fuse)
- automatics reset
- output switch (only at the boilers equipped with double stage electromagnetic valve)
- fuse 2,5 A
- safety thermostat reset (set to 97 °C)
- combustion products return flow fuse reset
- boiler thermostat (delivered as standard with 0 - 85°C range)
The control panel is then equipped with a combined thermometer and manometer. The combustion products
return flow fuse sensor is installed in horizontal draught diverter and it shuts down the boiler in case of an
insufficient combustion products exhaustion.
The boiler and safety thermostat sensors are installed in a reservoir (in upper part of left outer section), the
manometer return valve is crewed in upper part of right outer section.
Fig. no. 2 Polidoro ignition pilot burner
ionising electrode
electrodes screw
ignition electrode NOZZLES TABLE
Nozzles diameter
(mm)
NOZZLE
NATURAL GAS
0,45