3
6 720 606 692 (02.05)
1.4
Constructional Details
1.3
Connecting Measurements
1 Front cover
2 Gas control slide
3 Water flow selector
4 Gas connection
5 Draught diverter
6 Chimney with
draught diverter
7 Heat exchanger
8 Gas valve assembly
9 Ignition unit
10 Water valve
assembly
11 Led failure indicator
12 Led indicator main
burner condition
1
Pilot burner
2
Sparking plug
3
Sensor electrode
4
Heat exchanger
5
Burner
6
Injector nozzle
7aMea
suring point (burner)
7b
Measuring point (inlet gas)
8
Hydrogenerator
9
Main gas valve
10
Diaphragm (gas)
11
Pilot gas valve
12
Servo valve
13
Slow ignition valve
14
Venturi
15
Gas inlet
16
Water valve
17
Correcting screw for min.
water flow
18
Water flow selector
19
Switch
20
Water governor
21
Water filter
22
Diaphragm (water)
23
Cold water connecting pipe
24
Hot water connecting pipe
25
Ignition unit
26
Gas control slide
27
Poppet valve head
28
Pilot gas pipe
29
Temperature limiter
Diagram 1
Diagram 2
Dimensions
A
B
C
D
E
F
G
(mm)
LPG
NG
WR 250-8 KG 360 680 228 115 462 162 25 R1/2" R3/4"
WR 350-8 KG 400 755 228 140 500 196 30 R1/2" R3/4"
WR 400-8 KG 460 755 334 140 530 166 30 R1/2" R3/4"
H