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Venus Domestic VDH 100 User Manual

Heat pump water heater - domestic
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User Manual
& GUARANTEE CARD
Heat Pump
Water Heater -
Domestic
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Summary of Contents for Venus Domestic VDH 100

  • Page 1 User Manual & GUARANTEE CARD Heat Pump Water Heater - Domestic...

  • Page 2: Dear Customer

    Dear Customer, Thank you for purchasing Venus Heat Pump Water Heater. We have enclosed this handy installation manual to help you correctly install your system and in getting the maximum performance out of it. There is also a section called “Trouble Shooting Guide” to assist you in setting right minor problems.

  • Page 3: Product Overview

    Operation cost of domestic heat pump water heaters is 60 less, saving your expenses in energy costs each year. Venus heat pumps are not only highly efficient, but also easy and safe to operate. Venus domestic heat pump water heaters are CE approved, using R407C refrigerant which is environmental-friendly and energy efficient.

  • Page 4: Materials Needed For Installation

    Section 2 Installation The following general information describes how to install the domestic Heat pump water heater. Note: Before installing this product, read and follow all warning notices and instructions. Only a qualified service person should install the heat pump. Materials needed for Installation The following items are needed and are to be supplied by the installer for all heat pump installations:...
  • Page 5 Domestic Heat Pump Water Heater Specification 1250 Ø Ø Ø Ø Ambient Inlet/Outlet...

  • Page 6: Installation Location

    5. Adequate water flow. This manual provides the information needed to meet these requirements. Review all application and installation procedures completely before continuing the installation. Installation Location CAUTION! 1. DO NOT install the heat pump near to hazardous materials and places. 2.

  • Page 7: Air Inlet

    Installation details All criteria given in the following sections reflect minimum clearances. However, each installation must also be evaluated, taking into account the prevailing local conditions such as proximity and height of walls, and proximity to public access areas. The heat pump must be placed to provide clearances on all sides for maintenance and inspection.

  • Page 8: Water Connections

    For the units which installed at the rack on the outer wall, the rack should be fixed with wall-bolts. And the heat pump must be installed with shockproof bushes to prevent vibration and/or imbalance. Even though the controller is waterproof, care should be taken to avoid direct sunlight and high temperature.

  • Page 9: Plumbing Installation Requirements

    Figure 2 The heat pump must be protected from Reverse flow of water. If there is any chance provide a check valve between the water tank and the cold water inlet. Refrigerant Pipe Connections at the Heat Pump 1. Wrap up the thin and thick connecting pipes and a wire to length with insulated band. 2.

  • Page 10: Electrical Connections

    Each part connected to unit needs to be connected with method of loose joint and installed with intermediate valve. Ensure that all plumbing has been properly completed and then proceed to do a water leakage and pressure test. All the pipelines and pipe fittings must be insulated to prevent heat loss. Install a pressure release valve at the highest point of the system of heat preservation tank, and it is advised to be installed outside.

  • Page 11: Power Supply

    Power supply If the supply voltage is too low or too high, it can cause damage and/or result in unstable operation of the heat pump unit, due to high in rush currents on start up. The minimum starting voltage should be above 90% of rated voltage. The acceptable operating voltage range should be within ±10% of the rated voltage.

  • Page 12: Electrical Wiring Diagram

    Factory Default Setting Description Switch1 Switch2 Switch3 1 phase, Domestic air to water heat pump water heater, Cycle heating Electrical Wiring Diagram...

  • Page 13: Operating Heat Pump

    Section 3 Operating Heat Pump LCD User-Friendly Interface Controller General instruction The control panel applies to a single system single phase domestic air to water heat pump water heater. The operation panel features: 1. Capacitive touching keys for higher operating sensitivity and unlimited key operations. 2.

  • Page 14: Controller Setup

    Keys explanation: Unlocking Keys: Press the “power” key for 3 seconds until you hear an audible tone, then release the key. The back light of the LCD display will turn on and the key pad is unlocked with no “lock key display” symbol. The keypad will automatically lock after 60 seconds, displaying the “lock key display”...

  • Page 15: Parameter Setting

    The inquiry codes are from A1 to Er. By pressing the “setting” key sequentially, the desired inquiry code will be selected and value displayed. To exit the inquiry panel, press the “setting” key once after the last inquiry code (Er) is reached. Details are shown as follows: A1—coil pipe temp.
  • Page 16 the compressor when to re-start until desired temperature is reached. (3~18°C (37.4~64.4°F) default: 5°C (37.4°F)). For example, set water temp. = 25°C (77°F), L2 = 5°C (41°F), the compressor will stop at 25°C (77°F) and re-start at 20°C (68°F) L4- Desired water temperature limit (30~99°C (86~210.2°F) default: 60°C (140°F)) L5- allowed electric heating ambient temperature (0~35°C (32~), default: 7°C (44.6°F), where 0°C (32°F) means no electric heating).
  • Page 17 Heat pump ON/OFF timers: 01—ON/OFF timing 02 — ON/OFF timing Press the “timer” key and enter timer 01 ON time. Set the ON time as in Clock Setting section. Press “timer” key again to set timer 01 OFF time. Set the OFF time as in Clock Setting section.
  • Page 18 6. Installer Password Control : This feature enables the installer/agent to have control and use of the normal operation of the heat pump on a monthly basis by monthly password control. For example: If there is an agreement which involves monthly installment, the installer/agent can utilize this feature by applying password control.

  • Page 19: Heating Mode

    REMEMBER: All preset settings is reverted back to the original factory default settings. The password function will be disabled (C1=01, C2=01, C3=01, C4=01, C5=00). Please ensure that the heat pump unit is set up correctly. (Refer to controller set-up) 7. Manual / Forced Defrosting: Although this heat pump features an automatic defrosting function, a manual defrosting function enables the user to manually defrost the heat pump when unusual frosting appears.
  • Page 20 REMEMBER: All preset settings is reverted back to the original factory default settings. The password function will be disabled (C1=01, C2=01, C3=01, C4=01, C5=00). Please ensure that the heat pump unit is set up correctly. (Refer to controller set-up) 7. Manual / Forced Defrosting: Although this heat pump features an automatic defrosting function, a manual defrosting function enables the user to manually defrost the heat pump when unusual frosting appears.

  • Page 21: General Maintenance

    Inspection and Service Venus domestic heat pump water heaters are designed and built to provide long life perf ormance, when installed and operated properly under normal conditions. Periodic inspections are important to keep your heat pump running safely and efficiently.

  • Page 22: Troubleshooting

    Keep inspecting power and electrical components’ wiring to make sure their normal operation. All the safety protection devices have been preset by manufacturer ; please refrain from changing these settings. If any changes are needed, please contact the authorized installer/agent. I f the heat pump is installed under roof without a gutter, ensure that all measures are taken to prevent excessive water from flooding the unit.
  • Page 23 Keep inspecting power and electrical components’ wiring to make sure their normal operation. All the safety protection devices have been preset by manufacturer ; please refrain from changing these settings. If any changes are needed, please contact the authorized installer/agent. I f the heat pump is installed under roof without a gutter, ensure that all measures are taken to prevent excessive water from flooding the unit.
  • Page 24 Keep inspecting power and electrical components’ wiring to make sure their normal operation. All the safety protection devices have been preset by manufacturer ; please refrain from changing these settings. If any changes are needed, please contact the authorized installer/agent. I f the heat pump is installed under roof without a gutter, ensure that all measures are taken to prevent excessive water from flooding the unit.
  • Page 25 Problems and Corrective Action Problem Possible Cause Corrective Action Description a) The pool water temperature sensor and PC Board are not Use the correct sensor. 1. Measured Pool Temp < compatible. Actual Pool Temp b) The pool temperature sensor is Position the sensor not in the correct position.
  • Page 26 1. Compressor discharge temperature Replace the compressor discharge temperature sensor faulty or damaged. sensor. 2. Compressor discharge temperature Reconnect or clean compressor discharge Error code sensor connector (plug) disconnected temperature sensor and wrap it with insulation tape. and/or oxidized due to damp or water. 3.
  • Page 27 Slow 1. Check for leakages, if found, repair and re-charge increase of refrigerant as per volume specification on label. 1. Insufficient refrigerant. water 2. If no leakage was found, re-charge refrigerant as temperature per volume specification on label. 2. The heating capacity of the heat pump Increase the size or number of heat pump units.
  • Page 28 Check and ensure that the mains power supply cable', b) The main power length and thickness, is supply voltage is lower within the specifications, if than 175V. not replace with thicker cable to ensure less voltage drop. c) No compressor relay Check and/or replace output from the PC compressor relay or PC...

  • Page 29: Illustrated Parts

    Section 5 Components assembly Illustrated Parts VDH 100 / VDH 200 ITEM DISCRIPTION ITEM DISCRIPTION Base Plate 4’’ Stop Valve Compressor, Rotary Small Fixing Plate Evaporator Electronic compartment Board Fan Motor/Fan Motor/ Fan Side Panel Guard Medium Partition Fan Panel Four-way Valve Fan Net Filter...

  • Page 30: Warranty

    WARRANTY Venus Heat Pump Water Heater & Tank are covered by warranty for a period of 1 year from the date of purchase, against manufacturing defects of all functional parts. This warranty excludes any damages due to misuse, accident, negligence, tampering, unauthorized repair and normal wear and tear.

  • Page 31: Service Log

    Warranty SERVICE LOG Description Within Outside Signature Date complaint Warranty. Warranty.
  • Page 32 If you have any questions, problem or requierments of spare parts, get in touch with us for immediate attention at The Customer Care Cell Venus Home Appliances (P) Ltd. 4/993, Kamaraj Street, Rajiv Gandhi Salai, (OMR) Perungudi Post, Kottivakkam, Chennai - 600 096.

This manual is also suitable for:

Domestic vdh 200Vdh 100Vdh 200

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