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The recommended operating pressure in the hot water circuit is 0.48 MPa. At the hot water discharge 
we recommend that a reverse flap and an expansion tank are installed (at least 4% of hot water 
volume in the manifold) to eliminate reverse pressure shocks.

 

 
 

Both the electric and water installation must follow and meet the requirements 

and regulations relevant in the country of use!

 

 

 

4.2

 

TRANSPORT & STORAGE 

INSTRUCTIONS 

The device shall be transported and stored in dry place and protected from

 

weather effects with temperature 

range from 

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15 to +50°C. During loading and unloading the instructions stated on the packaging shall be 

observed.

 

 

4.3

 

DISPOSAL OF PACKAGING MATERIAL AND NON-
FUNCTIONING PRODUCT 

The  packaging  that  the  product was  delivered  in

 

has  been  paid  for  in  form of

 

a  service  fee  for the  provision of the  return  and recovery.  The  packaging  that

 

the  product  was  delivered  in  has  been  paid  for  in  form  of  a  service  fee  for

 

the  provision  of  the  return  and  recovery.  Take  the  water  heater  packaging

 

to  a  waste  disposal  place  determined  by  the  municipality.  Disassemble

 

the  discarded  and  unserviceable  product  after  the  operation  terminates,

 

and  transport  it  to  a  waste  recycling  centre  (collecting  yard),  or  contact

 

the manufacturer.

 

 

5

 

PRODUCT ACCESSORIES 

The product is supplied together with a safety valve. Safety valve is packed and placed in the upper section 
of the heater’s packaging.

 

 

It is in your own interest to check the completeness of the accessories. 

 
 

2

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10

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2018

 

Содержание OKHE ONE20

Страница 1: ...WATER HEATER FOR VERTICAL MOUNTING Electric water heaters OKHE ONE20 Dru stevn z vody Dra ice stroj rna s r o Works Cooperative Dra ice Machine Plant Ltd Dra ice 69 294 71 Ben tky nad Jizerou tel 420...

Страница 2: ...FIXTURES 8 2 4 ELECTRICAL INSTALLATION 10 2 4 1 GENERAL INFORMATION FOR ELECTRICAL INSTALLATION 10 2 5 OPERATION 10 2 6 FIRST COMMISSIONING 11 2 7 PUTTING OUT OF SERVICE EMPTYING 11 2 8 INSPECTION MAI...

Страница 3: ...onsible person or unless properly instructed by such responsible person The manufacturer reserves the right for engineering modification of the product The product is designed for permanent contact wi...

Страница 4: ...umption of hot water in households depends on the number of people amount of sanitary equipment length diameter and insulation of piping in the flat or on individual habits of users The cheapest optio...

Страница 5: ...44 MAX OPERATING TEMPERATURE OF HOT WATER HW C 80 RECOMMENDED HOT WATER HW TEMPERATURE C 60 HEIGHT OF THE HEATER mm 591 SIZE OF THE HEATER width x depth mm 523x301 MAX WEIGHT OF THE HEATER WITHOUT WA...

Страница 6: ...with a quality polyurethane insulation that ensures minimum heat losses Wiring is installed in the bottom part of the heater Water temperature may be set by a thermostat in the range from 5 C to 74 C...

Страница 7: ...k the bearing capacity of the wall and the material it is made of considering the weight of the heater filled with water Depending on the wall material choose adequate fixtures Should you have any dou...

Страница 8: ...h a check valve is supplied with the heater It is necessary to check the safety valve each time before putting it into operation It is checked by manual moving of the membrane from the seat turning th...

Страница 9: ...ble 3 Figure 3 Figure 4 SAFETY VALVE START UP PRESSURE MPa ALLOWABLE OPERATING OVERPRESSURE OF WATER HEATER MPa MAXIMUM PRESSURE IN COLD WATER PIPES MPa 0 6 0 6 up to 0 48 0 7 0 7 up to 0 56 1 1 up to...

Страница 10: ...en colour of minimum cross section of 4 mm2 Access to the power section of the heater is only possible once the heater is disconnected from the power supply and the cover of the heater unscrewed Adher...

Страница 11: ...eck the water main and wiring Check proper placement of the operating and safety thermostat thermal fuse sensors The sensors must be inserted all the way in first the operating and then the safety the...

Страница 12: ...d after each heater shutdown for more than 5 days Attention The inlet cold water pipe and the connection fitting of the heater may heat up If the hot water heater does not work or if hot water is not...

Страница 13: ...CAUSES FAILURE SYMPTOM INDICATOR SOLUTION Water is cold Light on The temperature set on the thermostat is too low Heating element failure Water is cold Light off No supply voltage Thermostat failure...

Страница 14: ...ll hot water outputs must have a combination faucet Before filling the heater with water for the first time it is recommended to fasten the flange connection nuts of the tank It is not allowed to hand...

Страница 15: ...4 3 DISPOSAL OF PACKAGING MATERIAL AND NON FUNCTIONING PRODUCT The packaging that the product was delivered in has been paid for in form of a service fee for the provision of the return and recovery...

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