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Bosch WR 11 B, Installation Manual And Operating Instructions

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Bosch WR 11 B Installation Manual And Operating Instructions Download Page 1

Installation Manual an

d Operating Instructions

Gas Instantaneous Water Heater

WR 11/14/18 .B..

6720648592 (2014/05) ZA

Read installation manual prior to installation of this unit!
Read user manual before putting this unit in operation!

Observe the warnings in the manuals!
The installation room must fulf

ill the ventilation requirements!

Installation by an authorised person only! 

Summary of Contents for WR 11 B

Page 1: ...14 18 B 6720648592 2014 05 ZA Read installation manual prior to installation of this unit Read user manual before putting this unit in operation Observe the warnings in the manuals The installation room must fulf ill the ventilation requirements Installation by an authorised person only ...

Page 2: ...eater on and off 9 3 4 Power adjustment 10 3 5 Temperature flow adjustment 10 3 6 Purge the appliance 10 3 7 Cleaning 11 4 Regulation 11 5 Installation must be carried out only by qualified technicians 11 5 1 Important information 11 5 2 Selection of the place of installation 11 5 3 Heater mounting 12 5 4 Water connection 12 5 5 Gas connection 13 5 6 Inlet exhaust pipe installation 13 5 7 Startup ...

Page 3: ...nician has declared that it is safe to do so Fitting modifications The fitting and modification of the installation of the appliance must be carried out only by an authorized technician The installation of the water heater may only be carried out by a registered installer and that such installations shall comply with the requirements of SANS 10087 1 The pipes carrying burnt ga ses must not be modi...

Page 4: ...tant information for the installer This appliance may only be in stalled by a LP gas installer registered with the Liquefied Petroleum Gas Association of Southern Africa The appliance must be installed in accordance with the requirements of SANS 10087 1 and any fire department regulations and or local by laws applicable to the area If in doubt check with the relevant authority before undertaking t...

Page 5: ...manent pilot flame Natural gas LPG burner Semi permanent pilot burner which only functions during the period between the openin g of the water valve and the ignition of the main burner Heat exchanger in copper without tin lead covering Water valve in fibreglass reinforced polyamide 100 recyclable Automatic adjustment of th e water flow by means of a device which permits a constant flow to be maint...

Page 6: ...ch 6 Led indicator for burner status 7 Output control 8 Gas connection 9 Flue socket 10 Draught diverter wi th flue gas monitor 11 Heat exchanger 12 Automatic gas valve 13 Igniter unit 14 Battery compartment Dimensions mm A B C D E F G H Ø Natural gas LPG WR11B 310 580 228 112 5 463 60 25 1 2 1 2 WR14B 350 655 228 132 5 510 95 30 1 2 1 2 WR18B 425 655 334 132 5 540 65 30 1 2 1 2 Table 5 Dimensions...

Page 7: ...lifies its operation To do so just turn on the switch Fig 5 After this procedure automatic ignition occurs whenever a hot water tap is opened First the pilot burner is lit and approximately four seconds afterwards the main burner The pilot burner flame is then exting uished after a short period of time This is a way of saving a great amount of energy as the pilot burner only operates for the mi ni...

Page 8: ...0 3 G e n a p o r P e n a t u B G P L kPa 2 8 2 8 2 8 Consumption 0 2 G H s a g l a r u t a N m3 h 2 2 2 77 3 5 0 3 G e n a p o r P e n a t u B G P L Kg h 1 75 2 2 2 79 Number of injectors 12 14 18 Water data Maximum permissible pressure 2 2 Considering the water dilution effect this value must not be exceeded pw psi 170 170 170 Temperature selector in fully clockwise position Temperature rise C 5...

Page 9: ...e of batteries as domestic waste Take them to appropriate collecting places for recycling Do not insert flat batteries Only use the type of batteries indicated 3 3 Turning the heater on and off Turning on Press the switch position Fig 5 Green light on Main burner on Open all water and ga s blocking devices Purge the pipes CAUTION The front panel in the bu rner and pilot burner area may reach high ...

Page 10: ...creases water temperature Fig 9 Turn clockwise Decreases flow and incr eases water temperature Regulating the temperature to the minimum required value reduces energy consumption as well as the possibility of limescale deposits in the heat exchanger 3 6 Purge the appliance If there is a risk of freezing proceed as follows Remove the retaining clip from threaded bushing Fig 10 1 Remove threaded bus...

Page 11: ...olume of less than 8 m3 not including the volume of the furniture providing this does not exceed 2 m 3 Comply with the specific in structions for each country Assemble the gas heater in a well ventilated location where it will not be exposed to temperatures below zero and in a place where there is an evacuation pipe for combustion gases The gas heater must not be installed over a heat source To av...

Page 12: ...n area of air supply according to the table The minimum requirements are listed above however each country s specified requiremen ts must also be respected 5 3 Heater mounting Remove the temperature flow selector and the power selector Unscrew the front fixing screws With a simultaneous movement towards you and upwards release the front of the two lugs from the back Fix the heater vertically using...

Page 13: ...ust be carried out only by qualified technicians 6 1 Factory regulations Natural gas Heaters designed for Natural gas H G 20 are factory sealed for delivery after the values on the characteristics panel have been checked Liquid gas Propane butane heaters G31 G30 are factory sealed for delivery after the values on the characteristics panel have been checked It is advisable to install a non return v...

Page 14: ...he pressure gauge Unscrew the shut off screw Connect the pressure gauge to the measuring point for the burner pressure Fig 13 Pressure measurement points Maximum gas flow adjustment Remove the screw seal Fig 14 Turn on the heater with the power selector set to the left maximum position Fig 14 Maximum gas flow adjusting screw Open various hot water taps Using the adjusting screw regulate the pressu...

Page 15: ...embly instructions The minimum gas flow adjustment is performed automatically after the adjustment of the maximum gas flow Natural gas H Butane Propane Injector code WR11 8708202113 1 10 8708202130 0 70 8708202124 1 20 8708202128 0 72 WR14 8708202113 1 10 8708202128 0 72 8708202116 1 25 8708202132 0 75 WR18 8708202115 1 15 8708202130 0 70 8708202116 1 25 8708202132 0 75 Connection pressure psi WR1...

Page 16: ...an In case of dirt Remove the heat exchanger and take out the limiter Clean the chamber with a powerful jet of water If dirt persists Soak the plat es in hot water with detergent and clean thoroughly If necessary De lime the interi or of the heat exchanger and the connection pipes Install the heat exchan ger using new joints Install the limiter on the support Burner Check the burner annually and c...

Page 17: ... flue gas safety device proceed as follows Undo flue gas safety device fixing screw Loosen temperature limiters connectors Undo magnetic unit connector Remove thermocouple Replace damaged component wi th new one and refit using the reverse of the procedure set out in the table above Function check Flue gas safety devi ce function check Disconnect flue pipe Replace with pipe about 50 cm long with s...

Page 18: ...fficient gas supply Check reducer and if inadequate or malfunctioning replace it Check if the bottles butane freeze during operation and if so move them to a warmer place The burner turns off the heater is operating Temperature limiter has tripped Flue gas safety device has tripped Wait 10 minutes and restart the heater If the problem persists call a qualified technician Vent the area Wait 10 minu...

Page 19: ...and materials for protecting the environment taki ng into account of economic considerations Packaging We participate in the recycling programmes of the countries in which our products are sold to ensure optimum recycling All of our packaging materials ar e environmentally friendly and can be recycled Used appliances Used appliances contain valuab le materials that should be recycled The various a...

Page 20: ...6720648592 Give It Gas operates solely as an ONLINE BUSINESS Tel 011 646 9439 Cell 082 452 4488 Email penny giveitgas co za www giveitgas co za ...

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