Related Manuals for OSO HOTWATER AquaSustain DHP
Summary of Contents for OSO HOTWATER AquaSustain DHP
- Page 1 AquaSustain - DHP MEV 200-260 l. SAFETY INFORMATION O&M INFORMATION INSTALLATION MANUAL TDS - TECHNICAL DATA SHEET...
- Page 2 CONTENTS 1. General Information ..................................1.1 Product identification................................. 1.2 CE conformity....................................1,3 Introduction....................................2.General indications ..............................2.1 Safety notes ................................2.2 Safety for refrigerant R290 ..........................2.3 Installers’ qualifications............................2.4 Package contents..............................2.5 Transportation and unpacking.......................... 3.Technical information..............................3.1 Operating principle..............................3.2 Parts of the AquaSustain..
- Page 3 It is essential to carefully read this manual before any handling to avoid issues arising from improper use of the product. The company OSO Hotwater LTD reserves the right to modify the information included in this document at any time without prior notice...
- Page 4 2. General indications The following instructions must be followed to avoid any accidents or equipment malfunctions. Please refer to them again if in doubt or contact technical support. Do not alter any permanent instructions, labels, or warning plates attached to the equipment. 2.1 Safety notes The incorrect or inappropriate use of this product could lead to hazardous situations, causing damage or injuries to the user, third parties or even to the product itself or material goods.
- Page 5 The following health consequences due to improper use of the refrigerant might be. • Burns and cryogenic injury • Suffocation • Unconsciousness • Oxygen deprivation • Death The materials and components of this equipment comply with the relevant regulations against fire and explosion risks, regarding the temperature that can reach the surfaces of the equipment in contact with the refrigerant in case of leakage.
- Page 6 2.3 Installers’ Qualifications Maintenance should only be performed by specially qualified and authorized personnel with a valid refrigeration technician certification. All maintenance staff and other individuals working near the appliance must be instructed about the nature of the work to be carried out. The installer must be G3 qualified and in position of a valid Unvented Hot Water Storage Systems certificate The installer must inform the user about the product’s applications, its use, handling, and provide all the documentation supplied with the equipment.
- Page 7 reason, it is recommended to make a thorough visual inspection of the goods before signing the reception note. 3. Technical information All relevant technical information about the equipment is provided in this manual. However, according to regulations, OSO is available to provide additional information about the equipment if required.
- Page 8 3.2 Parts of the AquaSustain...
- Page 9 Description Part Number Front cover 200 R10341 Front cover 260 R10342 Touch controlller R10264 Plastic top cover R10274 Air filter R10025 Back cover R10256 Side covers 200 R10286 Side covers 260 R10287 Antivibration legs R10042 Electric heater 1500 W titanium R10026 DHW probe NTC1 R10041...
- Page 10 3.3 Dimension drawings llustration 4: Side and front views. Dimmensions (mm) 1540 200 AS 1907 260 AS Back Front Power supply, 230 V / 1 PH / 50 Hz (Rear of unit) Condensate drain, Ø 20 mm Electrical heater 1500W / temp sensor Exhaust air connection Ø...
- Page 11 3.4 Technical Data and Product Fiche Model 200 DHP 260 DHP Cylinder Capacity (L) Heat loss (kWh/24h) 1.57 1.90 Heat loss (W) Heat up time ECO Mode (Heatpump only) (Min) Maximum operating pressure (bar) Product weight (Kg) Weight full (Kg) Package weight (Kg) 87.5 Heat exchanger (m...
- Page 12 108964 Aquasustain can be found on the Product Characteristics Database as a Heat Pump by searching in any of the following categories Heat Pump Category - Exhaust Air MEV Service Provision - Water heating only Brand name - OSO Hotwater...
- Page 13 3.5 Nameplate The nameplate contains product details and important information: • Type of product • Date of production • Serial number (also available in this manual) • Power supply • Operating pressure • Electrical supply • IP class • Type of refrigerant The nameplate must always be accessible and remain legible throughout the equipment’s entire lifespan.
- Page 14 4.1 Placing AquaSustain The installation area must allow easy access for maintenance work on plumbing connections and valves and must allow replacement of the immersion heater at the front of the cylinder. Clearance at front of unit for removal of front cover and immersion 700mm Illustration 7: Minimum recommended clearances (in...
- Page 15 softener treatment system is also recommended. The hydraulic connections are shown in the following scheme. The installer must place the indicated components as shown. Setting electrolytic hoses in the water connections should be considered to prevent galvanic corrosion in the pipes. Once the hydraulic connections are made, open the water supply to remove air inside the installation.
- Page 16 4.4 Discharge Discharge pipes must be metal, change to discharge pipes should be suitably temperature rated as defined by G3 building Regulations. The pipe must have a continuous fall and should terminate in a safe and visible place. Downward discharges at low level, i.e. up to 100 mm above external surfaces such as car parks, hard standings, grassed areas etc.
- Page 17 4.5 Air Connection The AquaSustain unit has two air connections located on the top cover of the equipment. There are different connection possibilities, as shown below; however, the cold air outlet must always be ducted to the outside of the enclosure. There is the possibility of ducting the cold air to a specific area for cooling.
- Page 18 Regulations state that flexible duct can only be used for terminal connections, a short length of thermal flexible duct should be used from the 160mm adaptor supplied to the rigid ductwork, this facilitates removal of the cover so that service and maintenance can be carried out. Flexi duct must not be used for the remaining supply and extract.
- Page 19 4.6 Suction Filter The system includes in the air inlet a filter for the protection of all the elements of the refrigeration circuit. If you notice that the system does not heat up, check the condition of the filter. A clogged filter affects the life-cycle performance and hot water production of the system.
- Page 20 Photovoltaic connection Solenoid valve Low pressure switch Electrical heater High pressure switch Compressor NTC1 Water temperature probe NTC2 Air temperature probe 230 VAC Power supply Display...
- Page 21 4.8 Commissioning controller Before starting the AquaSustain, the tank must be filled with water prior to turning on the equipment. The electric heating element may be damaged if the equipment operates without water. When the equipment is connected to a power supply, the screen will only display the inscription “oFF”.
- Page 22 Switching on/off When the equipment is connected to the electrical mains supply, all lights on the screen are illuminated for an instant. Then the display oFF” will only show “ 2 secs To turn on the equipment, press and hold the key for 2 seconds.
- Page 23 Displaying the operating mode At first power on the unit is set to ECO mode by default. By touching once, the current operation mode will be shown on the screen ECO Mode: Heating only by heat pump technology. Default setting 55 1 touch Auto Mode: Heating by heat pump and electric immersion heater, only if the water...
- Page 24 Setting fan speed Aquasustain is designed to operate with the minimum of programming. The fan is has options of 3 fan speeds. AquaSustain programming enables switching between 2 fan speeds, low and high. Factory default default speeds are: Low = Speed 2 High = Speed 3 Speed 1 can be accessed by small alteration on connector board wiring.
- Page 25 Change operating mode setpoint ECO mode Eco stands for economic, so maximum savings. The system heats water only by heat pump technology. This is the default mode. “SP1” The water temperature setpoint in ECO mode can be changed with the parameter.
- Page 26 Auto mode Water heated by the heat pump primarily. The electrical heater is only used if the temperature falls drastically. Default setting is 60 “SP2” The water temperature setpoint in Auto mode can be changed with the parameter. “ SP2” Press once and select with...
- Page 27 Overboost mode This mode achieves a fast heating by using heat pump and electric heater simultaneously. This mode works to get hot water quicker than using other operating modes. Once setpoint temperature has been reached, initial mode will get back: •...
- Page 28 “SP3” Parameter is used to select the minimum temperature at which the Overboost mode can operate Press once and select “SP3” with keys Press to confirm Set the temperature with keys. Press to confirm the operation or cancel it. Automatically returns to the start screen after a few seconds of waiting...
- Page 29 Displaying/deleting compressor functioning hours 1 touch Delete compressor Show compressor hours operating hours Go back to main screen “149” Select If the equipment turns off again, it is necessary to check the status of the high temperature safety thermostat or consult with a technician...
- Page 30 4.9 Photovoltaic input Working on this mode, the system automatically heats the water due to electric energy surplus or by off-peak rate. The parameters of this mode can only be configured from the installer menu. Contact the techni- cian if you want to make any modifications. llustration 11: Terminals of photovoltaic mode The system can be combined with and photovoltaic inverter to use the surplus energy generated...
- Page 31 4.12 Alarms and solutions...
- Page 32 5. Common failures and possible solutions “ ” “ ”, “ ” There’s water around the...
- Page 33 6. Maintenance operation of Aquasustain Aquasustain Unit’s part 7. Warranty The tank is guaranteed against breakage for a period of five years, starting from the date of purchase. The appliance must be registered with OSO and can be done so quickly online by visiting www.osohotwater. co.uk.
- Page 34 determine the start date. The appliance is guaranteed against all manufacturing defects, provided that it was installed by a qualified professional using our instruction manuals. A defective part does not warrant the whole appliance being replaced. The warranty only extends to parts which we identify as having been defective at manufacture. If necessary, the part or product should be returned to the manufacturer but only with prior agreement from our technical department.
- Page 35 IT IS THE RESPONSIBILITY OF THE INSTALLER TO COMPLETE THIS LOG BOOK AND PASS IT ON TO THE CUSTOMER. FAILURE TO DO SO MAY INVALIDATE THE CYLINDER WARRANTY The code of practice for the installation, commissioning & servicing of mains pressure hot water storage Installation,Commissioning Installation,Commissioning and Service Record Log Book...
- Page 36 (IF APPLICABLE) COMMISSIONING ENGINEER (IF DIFFERENT) DATE NAME ADDRESS TEL No. REGISTRATION DETAILS REGISTERED OPERATIVE ID CARD No. (IF APPLICABLE) APPLIANCE & TIME CONTROL DETAILS MANUFACTURER OSO HOTWATER (UK) MODEL litres CAPACITY SERIAL No. TYPE UNVENTED TIME CONTROL PROGRAMMER TIME SWITCH...
- Page 37 COMMISSIONING PROCEDURE INFORMATION ALL MAINS PRESSURISED SYSTEMS WHAT IS INCOMING STATIC COLD WATER PRESSURE AT THE INLET TO THE PRESSURE REDUCING VALVE? HAS STRAINER (IF FITTED) BEEN CLEANED OF INSTALLATION DEBRIS? HAS A WATER SCALE REDUCER BEEN FITTED? WHAT TYPE OF SCALE REDUCER HAS BEEN FITTED? UNVENTED SYSTEMS ARE COMBINED TEMPERATURE AND PRESSURE RELIEF VALVE AND EXPANSION VALVE FITTED AND DISCHARGE TESTED?
- Page 38 After-sales service sheet Date Technician Observations...
- Page 39 Notes...
- Page 40 OSO Hotwater (UK) Limited Endeavor House, Seventh Avenue, Team Valley Trading Estate, Gateshead, Tyne & Wear, NE11 0EF Phone: (0191) 482 0800 Fax: (0191) 491 3655 E-mail technical.uk@oso-hotwater.co.uk E-mail spareparts.uk@oso-hotwater.co.uk E-mail sales.uk@oso-hotwater.co.uk © This installation manual and all its content is protected by copyright and may be reproduced or distributed only with written consent from the manufacturer.
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