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Operation and Installation Manual
INDIRECT WATER HEATERS
OKC 800 NTR/1 MPa
OKC 1500 NTR/1 MPa
OKC 2000 NTR/1 MPa
Družstevní závody Dražice – strojírna s.r.o.
(Works Cooperative - Dražice – Machine Plant, Ltd.)
Tel.: 326 370911, fax: 326 370980
OKC 800 NTRR/1 MPa
OKC 1500 NTRR/1 MPa
OKC 2000 NTRR/1 MPa
Dražice 69
29471 Benátky nad Jizerou
www.dzd.cz
dzd@dzd.cz
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Table of Contents
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Summary of Contents for Drazice OKC 800 NTR/1Mpa
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Page 1: Indirect Water Heaters
Operation and Installation Manual INDIRECT WATER HEATERS OKC 800 NTR/1 MPa OKC 800 NTRR/1 MPa OKC 1500 NTR/1 MPa OKC 1500 NTRR/1 MPa OKC 2000 NTR/1 MPa OKC 2000 NTRR/1 MPa Družstevní závody Dražice – strojírna s.r.o. (Works Cooperative - Dražice – Machine Plant, Ltd.) Dražice 69 29471 Benátky nad Jizerou Tel.: 326 370911, fax: 326 370980... -
Page 2: Table Of Contents
Read carefully the below instructions prior to the installation of the 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. The manufacturer reserves the right for engineering modification of the product. The product is designed for permanent contact with drinkable water. -
Page 3: Important Notices
for mounting an additional heating element. Such version is used when the heater is connected to either a solar system or a system with a heat pump, to heat water in the upper part of the heater to the temperature required. The insulation of the heater consists of a 100 mm polyurethane foam without CFCs content. -
Page 4: Technical Data
TECHNICAL DATA OKC 800 NTR/1Mpa OKC 1500 NTR/1Mpa OKC 2000 NTR/1MPa Type OKC 800 NTRR/1Mpa OKC 1500 NTRR/1Mpa OKC 2000 NTRR/1MPa Tank capacity (l) 1500 2000 Weight (kg) 279/295 Heater diameter (mm) 1000 1100 1200 Operating hot water pressure (MPa) Operating heating water pressure (MPa) Max. -
Page 5: Connecting A Heater To A Hot Water Distribution
CONNECTING A HEATER TO A HOT WATER DISTRIBUTION Implement the connection in accordance with scheme on page 6. Scheme of Heater's Water Inputs and Outputs OKC 800 NTR/1 MPa OKC 800 NTRR/1 MPa OKC 1500 NTR/1 MPa OKC 1500 NTRR/1 MPa OKC 2000 NTR/1 MPa OKC 2000 NTRR/1 MPa The heater’s cold water inlet must be fitted with a T-fitting with a discharge valve for any discharge of water from the... -
Page 6: Spare Parts
SPARE PARTS - Mg anode – 800 l; - Thermometer; When ordering spare parts, give part name, type, and type number from the heater label. HEATER CLEANING AND ANODE ROD EXCHANGE Repetitive water heating causes limestone sediment on both the enamelled tank walls and chiefly the flange lid. The sedimentation depends on the hardness of water heated, its temperature, and amount of hot water consumed. - Page 7 OKC 800-2000 NTR OKC 800-2000 NTRR heated by a gas boiler with two pumps heated by a gas boiler and solar collectors controlled by a three-way valve An example of a group heater connection for steady hot water consumption from all tanks using Tichelmann’s method OV –...
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Page 8: Performance Data
PERFORMANCE DATA Exchanger performance the for flow of 500 l/hr 1,000 l/hr 3,000 l/hr 4,500 l/hr 800 NTR/NTRR – bottom exchanger surface 2.76 m Heating time by exchanger for temperature drop 80/60°C (min) Performance for temperature drop 80/60°C (kW) 20,2 29,9 41,8 Permanent performance (l/hr) -
Page 9: Pressure Losses
PRESSURE LOSSES Disposal of packaging material and functionless product A service fee for providing return and recovery of packaging material has been paid for the packaging in which the water heater was delivered. The service fee was paid pursuant to Act No. 477/2001 Coll., as amended, at EKO-KOM a.s. -
Page 10: Assembly Guide For Zip-Fastener Insulation
ASSEMBLY GUIDE FOR ZIP-FASTENER INSULATION (Only concerns heaters with the capacity of 800 and 2000 litres) Two people are enough to implement the assembly; three people are required for larger boilers; the assembly must be implemented in areas with the temperature of at least 18 If the insulation includes tank bottom insulation, the latter must be mounted first. -
Page 11: Construction Heater Parameters
CONSTRUCTION HEATER PARAMETERS OKC 800 NTR/0.6 MPa OKC 800 NTRR/0.6 MPa... - Page 12 OKC 1500 NTR/1 MPa OKC 2000 NTR/1 MPa OKC 1500 OKC 2000 NTR/1MPa NTR/1MPa 2240 2500 1117 1152 1100 1200 1000 1100 1217 1252 1825 1997 1167 1202 1354 1472 1494 1612 1825 1997 OKC 1500 NTRR/1 MPa OKC 2000 NTRR/1 MPa OKC 1500 OKC 2000 NTRR/1 MPa...
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