background image

WRDB - GB

Information about the heater

5

1.6

Dimensions

Fig. 1

4

Heat exchanger

5

Burner

10

Temperature/volume selector

20

Gas connection

23

Ignition unit

24

Battery compartment

26

Power selector

34

LED - Burner status check

35

Switch / LED - Battery status check

36

Front

37

Opening for mounting on the wall

38

Connection collar to the combustion gases pipe

39

Flue with non-return device

40

Gas automatic

42

Digital display

Dimensions 
(mm)

A

B

C

D

E

F

G

H (Ø)

Natural 

gas

LPG

WRD11B

310

580

228

110

463

60

25

3/4”

1/2”

WRD14B

350

655

228

130

510

95

30

3/4”

1/2”

WRD18B

425

655

334

130

540

65

30

3/4”

1/2”

Tab. 3 Dimensions

Содержание miniMAXX WRD 11-2.B Series

Страница 1: ...Installation Manual and Operating Instructions Gas Heaters miniMAXX WRD 11 2 B WRD 14 2 B WRD 18 2 B WRDB GB PT 05 06 JS...

Страница 2: ...3 1 Important information 9 3 2 Selection of the place of installation 9 3 3 Heater mounting 10 3 4 Water connection 10 3 5 Gas connection 10 3 6 Startup 11 4 Use 12 4 1 Digital display description 12...

Страница 3: ...aterial paper sol vents paints etc near the heater Combustion air and surrounding air B To avoid corrosion the combustion air and surroun ding air must be free from harmful substances e g halogenated...

Страница 4: ...ventional hea ters due to the possibility of power adjustment and no permanent pilot flame Natural gas LPG burner Semi permanent pilot burner which only functions during the period between the opening...

Страница 5: ...urner status check 35 Switch LED Battery status check 36 Front 37 Opening for mounting on the wall 38 Connection collar to the combustion gases pipe 39 Flue with non return device 40 Gas automatic 42...

Страница 6: ...on valve 9 Venturi 10 Temperature volume selector 11 Water automatic 12 Command cone 13 Water flow regulator 14 Water filter 15 Micro switch 16 Cold water pipe 17 Diaphragm 18 Main gas valve 19 Maximu...

Страница 7: ...es its operation B To do so just turn on the switch Fig 9 After this procedure automatic ignition occurs whenever a hot water tap is opened First the pilot burner is lit and approximately four seconds...

Страница 8: ...ximum permissible pressure pw bar 12 12 12 Temperature selector in fully clockwise position Temperature rise C 50 50 50 Flow range l min 2 5 5 2 7 2 8 8 Minimum operating pressure pwmin bar 0 1 0 1 0...

Страница 9: ...tion pipe for combustion gases The gas heater must not be installed over a heat source To avoid corrosion the combustion air must be free from harmful substances Examples of particularly corrosive sub...

Страница 10: ...llation beforehand because the presence of dirt may reduce the flow and in extreme cases cause a blockage B Identify the cold water pipe Fig 5 item A and the hot water pipe Fig 5 item B so as to avoid...

Страница 11: ...laces for recycling Do not insert flat batteries Only use the type of batteries indicated 4 3 Before starting up the heater B Check if the gas indicated on the rating plate is the same as the one used...

Страница 12: ...urn anti clockwise Increases flow and decreases water temperature Fig 13 B Turn clockwise Decreases flow and increases water temperature Regulating the temperature to the minimum required value reduce...

Страница 13: ...ew B Open various hot water taps B Using the adjusting screw Fig 15 regulate the pressure until achieving the values indicated in the table 6 B Seal the adjusting screw once again Minimum gas flow adj...

Страница 14: ...e pilot burner B Remove and clean the pilot injector 6 2 Startup after maintenance work B Tighten all connections once more B Read chapter 4 Use and chapter 5 Adjustments 6 3 Heater purge In case of a...

Страница 15: ...combustion gas probe proceed in the following manner B Remove the combustion gases evacuation pipe B Replace it with a pipe approximately 50 cm long blocked at one end B The pipe must be routed verti...

Страница 16: ...hnician Vent the area Wait 10 minutes and restart the heater If the problem persists call a qualified technician Incorrect temperature informa tion in the appliance digital display Insuficient contact...

Отзывы: