Table of Contents
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Operation and Installation Manual
TANK TYPE INDIRECT WATER HEATERS
OKC 100 NTR
OKC 125 NTR
OKC 160 NTR
OKC 200 NTR
OKC 250 NTR
OKC 200 NTRR
OKC 250 NTRR
OKC 100 NTR/HV
OKC 125 NTR/HV
OKC 160 NTR/HV
Družstevní závody Dražice - strojírna s.r.o.
Dražice 69
294 71 Benátky nad Jizerou
Tel.: 326 370 911, fax: 326 370 980
www.dzd.cz
dzd@dzd.cz
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OKC 80 NTR/Z
OKC 100 NTR/Z
OKC 125 NTR/Z
OKCV 125 NTR
OKC 160 NTR/Z
OKCV 160 NTR
OKCV 180 NTR
OKC 200 NTR/Z
OKCV 200 NTR
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Table of Contents
Related Manuals for Drazice Okc 80 ntr
Summarization of Contents
Message for Customers
Hot Water Consumption
Discusses factors affecting hot water consumption in households.
Operating Activity
Service Water Heating via Heat Exchanger
Explains how to heat service water using the heat exchanger.
Servicing
Control Panel for NTR/Z & OKCV NTR Heaters
Describes the control panel for specific heater models.
Control Panel for NTR,R & NTR/HV Heaters
Describes the control panel for other heater models.
Temperature Setting
Explains how to adjust the water temperature using the thermostat.
Plumbing Fixture
Heater Connection to Water Systems
Details connecting heaters to water supply and circulation circuits.
Safety Valve Requirements and Placement
Explains the necessity and placement of safety valves.
Drain Valve Requirements and Function
Specifies the need for a drain valve and its function.
Backflow Valve Importance
Highlights the importance of a backflow valve for safety.
Connection of Indirect Heater to Hot Water Heating System
Stop Valves and Deaerating Valve Recommendation
Recommends installing stop valves and a deaerating valve for proper connection.
Filter and Flushing Guidance
Advises installing a filter and flushing the heating circuit.
Wiring Insulation Requirement
Emphasizes insulating all wiring connections from heat.
Three-Way Valve Installation Instructions
Guides on following manufacturer instructions for three-way valves.
Wall Mounting
Wall Mounting Considerations and Positioning
Discusses wall loading, anchorage, and positioning for vertical/horizontal mounting.
Electric Installation
Thermostat Sensor Insertion Procedure
Details the correct insertion of the thermostat sensor.
Heater Connection to Boiler
Explains connecting the heater to a hot water heating boiler.
NTR Series Wiring Scheme
Illustrates the wiring diagram for NTR series heaters.
OKC NTR/Z Series Wiring Scheme
Illustrates the wiring diagram for NTR/Z series heaters.
Putting the Heater into Operation
Pre-Operation Checks List
Lists checks required before operating the heater.
Heater Operation Step-by-Step Procedure
Outlines the procedure for putting the heater into operation.
Warranty Certificate Completion
Reminds to fill in the warranty certificate properly.
Heater Cleaning and Anode Rod Exchange
Sedimentation Causes and Anode Lifespan
Explains causes of sediment and the lifespan of the anode rod.
Cleaning and Anode Replacement Advice
Advises checking and cleaning the tank and replacing the anode rod.
Important Notices
Safety Valve and Pressure Limit Notes
Covers checks for safety valves and pressure over 0.6 MPa.
Thermostat and Electric Handling Restrictions
Restricts thermostat handling and mandates professional for electric work.
Product and Packaging Disposal Guidance
Provides guidance on disposing of packaging and the heater.
Fire-Fighting Regulations for Installation and Use
Flammable Liquid and Gas Precautions
Warns against connecting the heater near flammable liquids or gases.
Installation Regulations
Heating System Connection Regulations
Lists regulations for connecting to the heating system.
Electric Network Connection Regulations
Lists regulations for electric network connections.
HSW System Connection Regulations
Lists regulations for hot service water system connections.
Most Frequent Function Failures and Their Causes
Water Temperature Mismatch Issues
Addresses water temperature not matching set value due to thermostat.
Indicator and Pressure-Related Issues
Discusses LED status and pressure problems causing dripping.
Repair Advice and Reporting
Recommends seeking expert help for repairs and reporting model details.
Product Accessories
List of Included Accessories
Lists accessories packed with different heater types.
Accessory Completeness Check
Advises checking the completeness of accessories.
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