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- The water heater block is deactivated by turning on and off the hot water tap; 
- If the cause is removed and the hot water supply is not re-established after turning on the hot water, repeat the 

operation.  Contact Technical Support if the anomaly persists. 

- The flame’s presence in the burner is seen through the window on the cover. 

 

- Turning off the water heater 

To turn the water heater off, turn the gas knob again to the position 

 

 

IMPORTANT NOTE 

To protect the environment, deposit used batteries in containers intended for this  

purpose. 

 

 

 

CONTROL PANEL OF 
5- AND 10-LITRE WATER HEATERS 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 
 
 
GAS KNOB 

TEMPERATURE SELECTOR 

 

 

VERY IMPORTANT 

It is recommended that the installation’s stopcock is turned off when the unit is not being  

used frequently. 

Содержание OPTIMA COB 10

Страница 1: ...1 INSTANTANEOUS GAS WATER HEATER Installation use and maintenance instructions OPTIMA ...

Страница 2: ...r will be necessary to respect the warnings CONTENTS PAGE DESCRIPTION AND FEATURES BY MODEL 3 USER INSTRUCTIONS 5 ELECTRONIC WATER HEATERS WITHOUT PILOT LIGHT 5 Prior checks 5 Manual selection of burner power 5 Temperature selection 5 Hot water selection 5 Turning off the water heater 6 Control panel 6 Overall dimensions 7 INSTALLATION INSTRUCTIONS 8 MODEL PREMISES AND LOCATION 8 PIPES 8 PLACEMENT...

Страница 3: ...BY MODEL Your COINTRA water heater has been designed and manufactured so that through correct usage you can enjoy the convenience of hot water Depending on the model chosen it consists of the following components see table below ...

Страница 4: ...ol This can also be used to MANUALLY SELECT THE REQUIRED POWER Yes Yes Yes Yes Yes 7 Temperature selector Allows you to adjust the hot water temperature Yes Yes Yes Yes Yes 9 Special hydraulic device Automatically starts the water heating mechanisms each time a hot water tap is turned on This is a GUARANTEE at the same time as the gas passage is only open when water circulates through the exchange...

Страница 5: ...red turn the knob to the position small flame reducing the power and gas consumption almost by half Temperature selection With the Temperature Selector you can easily gauge the water temperature by turning the selector to the right to achieve a higher temperature or to the left to obtain less hot water Hot Water Service Once the previous settings have been selected the water heater will start the ...

Страница 6: ... s presence in the burner is seen through the window on the cover Turning off the water heater To turn the water heater off turn the gas knob again to the position IMPORTANT NOTE To protect the environment deposit used batteries in containers intended for this purpose CONTROLPANELOF 5 AND 10 LITRE WATER HEATERS GAS KNOB TEMPERATURE SELECTOR VERYIMPORTANT It is recommended that the installation s s...

Страница 7: ...uation ducts of Ø 100 combustion products 1 Hot water outlet R 1 2 3 Cold water inlet R 1 2 2 Butane propane inlet Ø 12 mm ext Natural gas inlet Ø 15 mm ext 10 l min MODELS 1 Hot water outlet R 1 2 3 Cold waterinlet R 1 2 2 Butane propaneinlet Ø 12 mm ext Natural gas inlet Ø 15 mm ext 400 14 L 328 10 L 660 14 L 560 10 L 650 14 L 550 10 L 220 14 L 168 10 L 220 14 L 170 10 L Ø130 mm ...

Страница 8: ...the facility s premises meets all the conditions required by the Regulations 1 3 Position the water heater as near to the hot water tap as possible near the sink but NEVER above the cooker It should also be placed as near as possible to the flue or the point where the pipe that disposes of burnt gases comes out 2 PIPES 2 1 Make the hot water pipes as short as possible Isolate long sections to avoi...

Страница 9: ...s COB 10 COB 10 x and COB 14 2 5 Water heater water connections 2 5 1 To make installation easier or replace previous models the water heaters have been equipped with flexible hoses 2 5 2 Connect the flexible hoses according to the following directions Female Female flexible hose is used to connect the cold water inlet with the water heater inlet Male Female flexible hose is used to connect the ho...

Страница 10: ...bag of accessories included in the water heater packaging wall plugs for fixing upper and lower fixing screws Hang the water heater of hooks and tighten the screws to attach it to the wall Connect the flexible hot and cold water hoses without forgetting to check for leaks Do not remove the filter at the cold water inlet in order to avoid circulation problems OPTIMA 14 Clod water inlet Hot water ou...

Страница 11: ...und at specialist trade stores Model COB 14 Pipe for fitting the draft diverter Ø130 mm 4 2 The mass flow rates for calculating flues are found in the table on page 11 4 3 Ensuring the correct evacuation of combustion gases To ensure the system is functioning with the water heater s nominal power check the tightness of the whole combustion gas evacuation system through a spray plate cooled mirror ...

Страница 12: ...rly otherwise 6 4 The T T B device should be replaced by experts as follows Remove the defective T T B device by loosening the two screws holding it together Remove the thermocouple Insert a new original thermocouple Attach the T T B device to the smoke box without forcing the screws Check it is working properly 6 5 Models for Exclusive outside installation do not need this device VERY IMPORTANT I...

Страница 13: ... Butane G 30 0 32 0 79 0 32 0 79 0 63 1 58 0 63 1 58 0 84 2 09 Natural gas G 20 m3 h 0 43 1 07 0 43 1 07 0 86 2 14 0 86 2 14 1 13 2 83 GAS PRESSURE mbar At the heater inlet mbar Butane G 30 Propane G 31 Natural G 20 In the burner Maximum Power mbar Butane G 30 Propane G 31 Natural G 20 In theburner Minimum power mbar Butane G 30 Propane G 31 Natural G 20 28 30 37 20 27 3 35 3 14 7 28 30 37 20 27 3...

Страница 14: ...cleaned once a year please call our Technical Service ADAPTING TO DIFFERENT GASES The gas water heater is equiped for a specific gas Adaptation of COINTRA gas water heaters to a different gas of the gas prepared from factory must be performed by competent authorized using COINTRA oiriginal parts and in accordance with the regulations in force in the country in which the appliance is installed This...

Страница 15: ...OB 5 x G P L G N INJECTORS DIAMETER 0 66 1 0 CODE 10 l min MODELS MODELS COB 10 and COB10 x G P L G N INJECTORS DIAMETER 0 72 1 15 CODE 14 l min MODELS MODELS COB 14 G P L G N INJECTORS DIAMETER 0 66 1 02 CODE WIRING OUTLINE OF WÁTER HEATERS WITHOUT PILOT LIGHT ...

Страница 16: ...re non compliant within two months of becoming aware of this The guarantee does not cover incidents produced by The electrical supply of the equipment through power generators or any other system that is not a stable power grid with sufficient capacity Products that have been repaired by any party other than Cointra s OFFICIAL Technical Support team and or Cointra Godesia authorised staff Corrosio...

Страница 17: ... Fax 34 916 708 683 S A T Tel 902 402 010 E mail info cointra es Cointra Godesia S A reserves the right to modify at any time and without prior notice the data and characteristics of the devices in this document Member of Anfel National Association of electrodomestic manufacturers ...

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