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CAREFULLY READ THIS MANUAL BEFORE INSTALLING THE WATER HEATER! 

 
Dear Customer, 
 
The Works Cooperative of Dražice - Machine Plant, Ltd., would like 
to  thank  you  for  your  decision  to  use  a  product  of  our  brand. 
With  this  guide,  we  will  introduce  you  to  the  use,  construction, 
maintenance and other information on electrical water heaters. 
 
The product is not intended to be controlled by 

a)

 

people (including children) with reduced physical, sensual or mental capacities, or 

b)

 

people  with  insufficient  knowledge  and  experiences  unless  supervised  by  responsible  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 with drinkable water. 
 
It is recommended to use the product in indoor environment with air temperatures from +2°C to +45°C 
and a relative humidity up to 80%. 
 
Product’s reliability and safety is proven by tests implemented by the Engineering Test Institute in Brno. 
 
Made in the Czech Republic. 
 
 
 
 

Meaning of pictograms used in the Manual 

 
 
Important information for heater users. 
 
 
 
Abiding by the recommendations of the manufacturer serves to ensure trouble-free operation 
and the long service life of the product. 
 
 
 
Caution!  
Important notice to be observed. 

 

 

Содержание OKC 400 NTRR/HP/SOL

Страница 1: ...ECT WATER TANKS OKC 400 NTRR HP SOL OKC 500 NTRR HP SOL 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 420 326 370 911 f...

Страница 2: ...FITTING INSTRUCTIONS 8 2 1 COMMISSIONING THE RESERVOIR 8 2 2 CONNECTING THE RESERVOIR TO HOT WATER DISTRIBUTION 9 2 3 PLUMBING FIXTURE 10 2 4 CONNECTION OF TANK TO HOT WATER DISTRIBUTION SYSTEM 11 2 5...

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: ...heating circuit lower tubular heat exchangers is designed for solar system The tank is placed on the ground next to the heating water source or in its vicinity All connecting distributions must be pro...

Страница 5: ...SURE IN THE VESSEL MPa 1 MAXIMUM OPERATING OVERPRESSURE IN THE EXCHANGER MPa 1 MAXIMUM HEATING WATER TEMPERATURE C 110 MAXIMUM OPERATING TEMPERATURE IN THE VESSEL C 80 HEATING SURFACE OF UPPER LOWER E...

Страница 6: ...KC 400 NTRR HP SOL Figure 1 Table 2 OKC 400 NTRR HP SOL A 1644 B 812 C 857 D 700 E 55 F 1521 G 973 I 723 J 288 L 208 M 648 N 812 O 1348 P 355 R 1073 S 1173 1 outer 3 4 inner 5 4 inner 1 2 inner 6 4 in...

Страница 7: ...KC 500 NTRR HP SOL Figure 2 Table 3 OKC 500 NTRR HP SOL A 1914 B 812 C 857 D 700 E 55 F 1790 G 1023 I 773 J 288 L 228 M 609 N 818 O 1618 P 473 R 1123 S 1409 1 outer 3 4 inner 5 4 inner 1 2 inner 6 4 i...

Страница 8: ...he way in first the operating and then the safety thermostat b open the hot water valve on the combination faucet c Open the cold water inlet valve to the tank d when the water starts flowing through...

Страница 9: ...ssel The safety valve does not replace the safety valve on the cold water inlet No closing return armature and filter may be mounted between the heater and the safety valve T fixtures with discharge v...

Страница 10: ...e guide provided by the safety equipment manufacturer 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...

Страница 11: ...way valve backflow flaps and the exchanger from sedimentation It is recommended to flush the heating circuit before the assembly All wiring connections must be properly insulated from heat If the sys...

Страница 12: ...rease the temperature of hot service water HSW periodically for a transitional period of time to at least 70 It is also possible to make use of another way of disinfecting HSW PROCEDURE OF EXCHANGING...

Страница 13: ...t the receptacle s flange connection nuts are tightened 3 2 INSTALLATION REGULATIONS Both the electric and water installation must follow and meet the requirements and regulations relevant in the coun...

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