user manual - sinclair air conditioners
Contents
1. INSTRUCTIONS STE AM s ENAMELED INDIRECT WATER HEATERS ST 300DE D SIIICLCOIR HEAT PUMPS Please read this manual carefully before installing the heater Dear Customer Sinclair Corporationt Ltd thanks you for your decision to use a product of our brand The manufacturer reserves the right to modify the product This product is designed for permanent contact with drinking water Table of Contents Application Product Description Important Cautions Commissioning of the Heater Specifications and Description of the Heater Connecting the Heater to the Hot Water Distribution System Safety Fittings Spare Parts Cleaning the Heater and Replacing the Anode Rod Installation Regulations Connecting the Heater to the Heating System en E ee als 2 2 3 3 4 5 5 6 6 6 7 pal d Operating Conditions We recommend to use this product in an indoor environment with air temperatures from 2 C to 45 C and a relative humidity of maximum 80 1 APPLICATION The ST 300DE indirect stationary heater is designed to prepare the hot water in connection with a heat pump Additional heating can be done by electric heating element TJ 6 4 2 PRODUCT DESCRIPTION The heater tank s welded from a steel sheet and the entire tank is protected by a hot water resistant enamel As an additional protection against corrosion a magnesium anode rod is installed inside the tank This rod changes the2. Pa c OQ O ST 300DE Fig 1 Heating water outlet RR N NZ e OS Cold water inlet 670 6 CONNECTING THE HEATER TO THE HOT WATER DISTRIBUTION SYSTEM Fig 3 Mixing valve PS XK Hot water output Cold water Cold water input Z V DN A X s 5 o S gt 2 03 D 2 22 z S 2 C o gt T Q Q 8 Q 0 G gt Q C n O a o a Mo IK The cold water inlet of the heater must be fitted with a T fitting with a drain valve to discharge water from the heater if needed see Section 11 Each heater that can be individually blocked must also be equipped with a test valve check valve safety valve and pressure gauge at the hot water inlet 1 SAFETY FITTINGS Each pressure hot water heater must have a membrane spring loaded safety valve Nominal clearance of safety valves is determined according to CSN 06 0830 standard Heaters are not equipped with a safety valve The safety valve must be eas ly accessible and as close to the heater as possible The inlet pipe must have at least the same clearance as the safety valve The safety valve must be placed high enough to ensure dripping water drain by gravity We recommend to mount the safety valve onto a branch pipe This allows you to easier replace the valve without having to drain the water from the heater Safety valves with fixed pressure
3. set by the manufacturer are used for the assembly The opening pressure of the safety valve must be identical to the maximum allowed heater pressure and at least 20 higher than the maximum pressure in the water distribution system If the pressure in the water distribution system exceeds this value a reduction valve must be included in the system No stop valve can be put between the heater and safety valve Follow the installation manual provided by the manufacturer of the safety valve Safety valve must be checked each time before putting it into operation The check is performed by manual moving of the membrane away from its seat by turning the knob of the releasing device always in the arrow direction After being turned the knob must click back into a notch The proper function of the releasing device results in water draining through the safety valve drain pipe If the releasing device functions properly water runs off the safety valve drain pipe In normal operation it is necessary to perform this check at least once a month and each time when the heater was shut down for more than 5 days Water may be dripping from the safety valve drain pipe the pipe must be opened into the air pointed down and placed in an environment where the temperatures does not drop below the freezing point When draining the heater use the recommended drain valve First close water inlet of the heater You can find the required pressures in the following Max allowa
4. 2001 Coll as gt A amended at EKO KOM a s Client number of the company 1s F06020274 Dispose of packaging material at a public waste disposal site Uninstall the discarded and unserviceable product after the end of operation and transport it to the waste recycling centre collecting yard or contact the manufacturer Warranty Card Product data Store full address and stamp Date of sale Type Type number Serial number Professional plumbing was made by Date of Installation Production date Full address stamp sign Add data from the manufacturing label or stick the label The product has passed the final technical inspection and met the following tests Professional electrical installation was made by Insulation resistance measurements using the test voltage of 500V AN Measurement of contact resistance using current 10A at voltage 0 Date of Installation 12V AC Test using applied voltage of 1300V Full address stamp sign Functional test with simultaneous measurement of both active and leakage currents Tank pressure test WARRANTY Product replacement or withdrawal from the contract is subject to applicable provisions of the Civil Code The product will be repaired free of charge within the warranty period f a product defect that is not caused by user or an unavoidable event e g a natural disaster occurs The warranty period of the product starts from the date of sale to the end custome
5. after checking the safety valve according to the instructions attached to the valve the heater may be put into operation Procedure a Check the plumbing and electrical installation including the connection to the hot water heating system Check the proper placement of both operational and safety thermostat sensors The sensors must be inserted all the way in the socket first the operational thermostat and then the safety thermostat b Open the hot water valve on the mixing battery c Open the valve on the cold water inlet to the heater d When the water starts to flow through the hot water valve the heater is filled up and the valve should be closed e Should a leakage of the flange cover occur we recommend to tighten the bolts of the flange cover f When heating the sanitary water using the thermal energy from the hot water heating system switch off the electricity and open the valves on the inlet and outlet of heating water eventually bleed the heat exchanger When commencing operation flush the heater until the cloudiness disappears g Fill properly the warranty card Js SPECIFICATIONS AND DESCRIPTION OF THE HEATER Table 1 1 e ST 300DE Storage volume lp 286 Protective anode rod Sensor socket Heating water inlet Circulation Sensor socket Q Hot water outlet SR D R S 5 3 35 gt C O OF o oO C O O c z O E ce Z 3 D D E
6. ble table l Opening working For proper operation of the safety valve the check pressure of the overpressure of Max pressure in valve must be mounted on the inlet pipe to prevent safety the water the cold water spontaneous draining of the heater and penetration valve MPa heater MPa piping MPa of hot water back into the water distribution system Follow the CSN 06 0830 standard when installing safety devices 8 SPARE PARTS Magnesium anode Contact thermometer Give part name type and type number from the heater label when ordering spare parts 9 CLEANING THE HEATER AND REPLACING THE ANODE ROD Repeated heating of water causes a limescale deposition on the enamelled tank surface and mainly on the flange cover Deposition depends on the hardness of heated water its temperature and the amount of hot water consumed We recommend to check the tank and the anode rod after two years of operation and remove the limescale or replace the anode rod if needed The expected lifetime of the anode rod is two years of operation however it varies according to the hardness and chemical composition of the water at the place of use Based on this inspection it is possible to schedule the next replacement of the anode rod Call a service company to clean the tank or replace the anode rod When draining water from the heater hot water valve of the mixing battery must be opened to avoid underpressure in the tank which would prevent water from
7. draining 10 INSTALLATION REGULATIONS Regulations and instructions that must be followed when installing the heater a concerning the heating systems CSN 06 0310 Heating systems in buildings Design and installation CSN 06 0830 Heating systems in buildings Safety devices concerning the electrical systems CSN 33 2180 CSN electric engineering regulations Rules for installation of electrical apparatus and appliances CSN 33 2000 4 41 Low voltage electrical installations Protection for safety Protection against electric shock CSN 33 2000 7 701 Electrical installations of buildings Requirements for special installations or locations Locations containing a bath or shower c concerning the hot water heating systems CSN 06 0320 Heating systems in buildings Generation of domestic hot water Designing CSN 06 0830 Heating systems in buildings Safety devices CSN 73 6660 Water supply in buildings CSN 07 7401 Water and steam for hot water and steam boilers with nominal steam pressure of up to 8 MPa CSN 06 1010 Storage water heaters with water and steam heating and combined with electric heating Technical requirements Testing CSN EN 12897 Water supply Specification for indirectly heated unvented closed storage water heaters b NN Both electric and water installations must follow and meet the requirements and regulations in the country of use WARNING To prevent the growth of bacteria e g Legionella pneumoph
8. electrical potential inside the tank and thus reduces the effects of corrosion Inside the tank there s welded a helical heat exchanger that is made of steel pipes with an outside enamel coating hot water cold water and circulation connections and thermostat socket The tube heat exchanger is intended only for the heating circuit On the heater side there is a cleaning and inspection opening with flange cover flange inside diameter is 110mm secured by eight M8 bolts with 150mm spacing The heater has also a G 1 opening for screwing an auxiliary heating element This option is used to heat up water in the upper part of the heater to the required temperature when the heater is connected to a heat pump system The tank is insulated with 50mm or 60mm polyurethane CFC free foam heater case is made of plastic 3 IMPORTANT CAUTIONS e Warranty card is invalid without certification from a professional firm which confirms the electrical installation and plumbing Check the protective Mg anode regularly and replace it 1f needed No stop valve can be put between the heater and safety valve All hot water outputs must be fitted with a mixing battery Before filling the heater with water for the first time it is recommended to tighten the nuts on the flange connection of the tank 4 COMMISSIONING OF THE HEATER After connecting the heater to the water distribution system hot water heating system and eventually to the electrical network and
9. ila in the tank heaters it is recommended if inevitable to periodically and temporarily increase the temperature of the hot water to at least 70 C Another way to disinfect hot water may also be applied 11 CONNECTING THE HEATER TO THE HEATING SYSTEM The heater 1s to be placed on the ground next to a heating source or in its vicinity The heating circuit 1s connected to the marked inlets and outlets of the heater exchanger and the bleeding valve 1s to be mounted at the highest point It is necessary to install a filter into the heating circuit to protect the pumps three way valve check valves and heat exchanger from clogging We recommend to flush the heating circuit before the installation All interconnecting piping must be properly thermally insulated If the system will work with the priority heating of DHW using a three way valve follow the installation instructions provided by the manufacturer of the three way valve Example of group of heaters connected using the Tichelmann method for balanced consumption of hot water from all tanks Fig 3 DHW output CW input HeW Heating water DHW Domestic hot water CW Cold water 1 Check valve C circulation 2 Pump Disposal of packaging material and non functional product A service fee for providing return and recovery of packaging material has been paid for the packaging in which the water 3 heater was delivered The service fee was paid pursuant to Act no 477
10. r and lasts e 5 years for the inner tank of the heater including case thermal insulating layer and the flange cover e 2 years for electrical installation heater element and other accessories e The warranty period for replacement parts is 24 months 1 Conditions for a warranty claim e The warranty card must be properly filled out with a confirmed date of sale e Installation of the product must be performed by an authorized person confirmed in the warranty card e The buyer is obligated to familiarize himself with the relevant installation and operational instructions before putting the product into operation 2 Termination of Warranty If the customer did not meet the conditions of point 1 If any repair during the warranty period was not performed by the seller nor its authorized service partner If the product defect was obviously caused by improper installation or use of the product If the product was not being used according to installation and operational instructions given by the seller or manufacturer If any unauthorized modifications or construction changes of the product have been made If the production label with serial number is damaged or missing 3 Service e Warranty and after warranty repairs are provided by the seller SINCLAIR CORPORATION Ltd 1 4 Argyll St London UK using its own service centre or through contractual or authorised contractual service partners 4 Warranty claim procedure e End customer will report the
11. type of defect serial number type number date of purchase of the product from the warranty card and brief description of the problem to 1ts contractual service partner or directly to the seller e The customer will wait for a technician who will fix the defect or take another necessary measures to settle the claim e Never uninstall the product from the system it is important to assess the defect e In the case of unjustified claim the customer will be charged directly for the claim related costs 4 2014 Manufacturer Sinclair Corporation Ltd 1 4 Argyll Street London W1F 7LD UK Supplier and technical support Nepa spol s r o Purkynova 45 612 00 Brno Czech Republic www nepa CZz Toll free info line C 420 800 100 285
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