background image

3

6 720 607 527

1.5

Dimensions

Fig. 

2

1.6

Appliance design

Fig. 

3

1. Heat exchanger

2. Ionisation detector
3. Main burner
4. Injector

5a. Testing point for burner pressure
5b. Testing point for supply pressure

6. Slow ignition valve

7. Temperature control

8. Venturi
9. Water valve

10. Flow restrictor

11. Water filter

12. Cold water supply pipe
13. Diaphragm
14. Microswitch
15. Main gas valve
16. Regulating screw

17. Gas inlet

18. Gas filter
19. Battery compartment

20. Hot water pipe

21. Igniter unit

22. On/Off switch
23. LED indicator for battery charge level
24. Servo valve
25. Output control
26. Gas valve

27. Gas valve for pilot burner

28. Pilot burner injector
29. Igniter electrode
30. Pilot burner

31. Temperature limiter

32. Flue gas safety device
33. LED indicator for burner status

1. Outer case

2. Hole for fixing to wall
3. Observation window
4. Temperature control
5. LED indicator for battery

charge level

6. On/Off switch

7. Output control

8. Gas connection
9. Flue socket

10. Draught diverter with flue

gas monitor

11. Heat exchanger
12. Automatic gas valve
13. Igniter unit
14. Battery compartment
15. LED indicator for burner

status

Dimensions

A

B

C

D

E

F

G

H (Ø)

(mm)

Natural Gas

LPG

W11..B...

310

580

228

112,5

463

60

25

W14..B...

350

655

228

132,5

510

95

30

W18..B...

425

655

334

132,5

540

65

30

1/2"

Содержание W11B

Страница 1: ...d installer Do not use or store easily combustible materials in the vicinity of the appliance Gas Instantaneous Water Heater Installation and Operating Instructions Installation and servicing of the appliance may only be carried out by an approved technician The appliance should be regularly serviced in order to ensure that it remains in perfect and safe working order If there is a risk of freezin...

Страница 2: ...es Semi permanent pilot flame functions only during the time between opening of the water valve and activation of the main burner Heat exchanger has no tin lead lining Automatic water valve made of glass fibre reinforced polyamide 100 recyclable Automatic control of water flow maintains constant flow rate even with fluctuating supply pressure Green LED indicates burner condition 1 2 Explanation of...

Страница 3: ...arge level 24 Servo valve 25 Output control 26 Gas valve 27 Gas valve for pilot burner 28 Pilot burner injector 29 Igniter electrode 30 Pilot burner 31 Temperature limiter 32 Flue gas safety device 33 LED indicator for burner status 1 Outer case 2 Hole for fixing to wall 3 Observation window 4 Temperature control 5 LED indicator for battery charge level 6 On Off switch 7 Output control 8 Gas conne...

Страница 4: ... 31420 40300 52082 Output modulation range Btu h 31420 65570 40300 80595 52082 104165 Rated max heat input Qn Btu h 74450 92210 117825 Rated min heat input Qmin Btu h 36200 46105 58912 Supply pressure Natural gas mbar kPa 20 2 0 20 2 0 20 2 0 LPG butane propane mbar kPa 28 2 8 28 2 8 28 2 8 Consumption Natural gas G20 m3 h 2 2 2 77 3 5 LPG butane propane G30 G31 kg h 1 75 2 2 2 79 Number of inject...

Страница 5: ...ut control Remove the outer case by sliding it forwards and then lifting upwards Fix the appliance using the sleeves and hooks supplied so that it is vertical Never allow the appliance to rest against water or gas pipes 2 4 Water connection It is advisable to drain the appliance before installing it as any dirt or grit inside it could reduce the water flow rate and in extreme cases could completel...

Страница 6: ...G liquefied petroleum gas i e butane propane are set to the operating pressure stated on the identification plate 28 mbar Natural gas appliances are set to a Wobbe Index of 15 kWh m3 and a supply pressure of 20 mbar Sealed components must not be tampered with 3 4 Maintenance The appliance should only be serviced by an approved engineer A complete overhaul should be carried out after two years The ...

Страница 7: ...t water temperature Water not hot enough no flame Gas supply dynamic pressure too low Check gas cylinder governor and replace if incompatible or damaged Check whether gas cylinder butane is freezing when appliance is in operation and re site in warmer location if necessary Flame goes out while appliance is in operation Temperature limiter has tripped Wait 10 minutes then restart appliance If probl...

Страница 8: ...ain burner on On I Off 0 Turning control anti clockwise increases water flow rate and reduces water temperature Turning control clockwise reduces water flow rate and increases water temperature Temperature adjustment Starting up Low water temperature Lower output High water temperature Higher output Safety precautions for use of batteries Do not dispose of batteries with normal household waste tak...

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