Related Manuals for Toshiba HWS-805H-E
Summary of Contents for Toshiba HWS-805H-E
- Page 1 AIR TO WATER HEAT PUMP Installation Manual Outdoor Unit Model name: HWS-805H-E HWS-1105H-E HWS-1405H-E HWS-1105H8-E HWS-1405H8-E HWS-1605H8-E HWS-1105H8R-E HWS-1405H8R-E HWS-1605H8R-E English...
- Page 2 • For installation of the hydro unit, follow the Installation Manual attached to the hydro unit. Original instruction REFRIGERANT This Air to water heat pump uses an HFC refrigerant (R410A) in order to prevent destruction of the ozone layer. ▼ HWS-805H-E, HWS-1105H-E, HWS-1405H-E Equipment complying with IEC 610003-12. ▼ HWS-1105H8-E, HWS-1105H8R-E HWS-1405H8-E, HWS-1405H8R-E...
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Page 3: Table Of Contents
Installation Manual Air to Water Heat Pump Contents 1 Precautions for safety ..........5 2 Accessory parts and refrigerant . - Page 4 Toshiba Carrier Corporation or, alternatively, he or she has been instructed in such matters by an individual or individuals who have been trained and is thus thoroughly acquainted with the knowledge related to this work.
- Page 5 Installation Manual Air to Water Heat Pump Definition of protective gear When the air to water heat pump is to be transported, installed, maintained, repaired or removed, wear protective gloves and “safety” work clothing. In addition to such normal protective gear, wear the protective gear described below when undertaking the special work detailed in the table below.
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Page 6: Precautions For Safety
Installation Manual Air to Water Heat Pump Precautions for safety • Ensure that all Local, National and International regulations are satisfied. • Read this “Precautions for safety” carefully before Installation. • The precautions described below include the important items regarding safety. Observe them without fail. - Page 7 Installation Manual Air to Water Heat Pump • If refrigerant gas has leaked during the installation work, ventilate the room immediately. If the leaked refrigerant gas comes in contact with fire, noxious gas may generate. • After the installation work, confirm that refrigerant gas does not leak. If refrigerant gas leaks into the room and flows near a fire source, such as a cooking range, noxious gas might generate.
- Page 8 Installation Manual Air to Water Heat Pump • To prevent charging an incorrect refrigerant and refrigerating oil, the sizes of connecting sections of charging port of the main unit and installation tools are changed from those for the conventional refrigerant. •...
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Page 9: Accessory Parts And Refrigerant
Installation Manual Air to Water Heat Pump Accessory parts and refrigerant Accessory parts Part name Shape Usage Outdoor unit installation manual Hand this directly to the customer. Drain nipple Waterproof rubber cap Protective bush For protecting wires (pipe cover) Guard material for passage part For protecting passage part (pipe cover) Energy label... -
Page 10: Installation Of New Refrigerant Air To Water Heat Pump
Installation Manual Air to Water Heat Pump Installation of new refrigerant air to water heat pump • The R410A refrigerant is more susceptible to impurities such as water, oxide membranes, oils, and fats. With the adoption of the new refrigerant, the refrigerating oil has also been changed. Be careful not to let water, dust, conventional refrigerant, and/or conventional refrigerating oil enter the refrigerating cycle of the new refrigerant air to water heat pump. -
Page 11: Installation Conditions
Installation Manual Air to Water Heat Pump Refrigerant piping Airtight test 1. Before starting an airtight test, further tighten the spindle valves on the gas and liquid sides. Refrigerant (R410A) 2. Pressurize the pipe with nitrogen gas charged from When using the conventional piping kit the service port to the design pressure (4.15 MPa) to conduct an airtight test. - Page 12 Installation Manual Air to Water Heat Pump Installation location 1) Install the unit so that its discharge port faces the wall of the building. Keep a distance 500 mm or more between the CAUTION unit and wall surface. 500 mm Install the outdoor unit in a location that meets the following conditions after the customer’s consent is obtained.
- Page 13 Installation Manual Air to Water Heat Pump Necessary space for Obstacle in front installation Above unit is free 1. Single unit installation (Unit: mm) Obstacle at rear side Upper side is free 1. Single unit installation 2. Serial installation of two or more units 2.
- Page 14 Installation Manual Air to Water Heat Pump 2. Serial installation of two or more units • As shown in the figure below, install the foundation and vibration-proof rubber pads to directly support the bottom surface of the fixing leg that is in contact with and underneath the bottom plate of the outdoor unit.
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Page 15: Refrigerant Piping
Installation Manual Air to Water Heat Pump Refrigerant piping • When collectively draining discharged water completely, use a drain pan. Knockout of pipe cover Waterproof rubber cap Knockout procedure Drain nipple Rear direction Drain nipple Waterproof rubber cap Pipe cover Knockout hole Side direction Front direction... - Page 16 Installation Manual Air to Water Heat Pump Optional installation parts Projection margin in flaring: B (Unit: mm) (Locally procured) Parts name Refrigerant piping Rigid (Clutch type) Liquid side: Ø9.5 mm One each Gas side: Ø15.9 mm Conventional tool R410A tool used Pipe insulating material Outer diam.
- Page 17 Installation Manual Air to Water Heat Pump Tightening of connecting part CAUTION 1. Align the centers of the connecting pipes and fully 1. Do not put the crescent wrench on the cap or tighten the flare nut with your fingers. Then fix the cover.
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Page 18: Air Purging
Installation Manual Air to Water Heat Pump Air purging Vacuum pump As shown in the figure, connect the charge hose after the manifold valve is closed completely. Airtight test Attach the connecting port of the charge hose with a Before starting an airtight test, further tighten the projection to push the valve core (setting pin) to the charge spindle valves on the gas side and liquid side. - Page 19 Installation Manual Air to Water Heat Pump How to open the valve Cap tightening torque The cap with the 9.5 mm outer diameter is available in Open or close the valve. two sizes in accordance with the type of packed valve for which the cap is used.
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Page 20: Electrical Work
Installation Manual Air to Water Heat Pump Electrical work Ensure all wires are secured using the cord clamps on the pipe valve fixing plate located inside the unit WARNING Electrical control 1. Using the specified wires, ensure that the wires are connected, and fix wires securely Panel so that the external tension to the wires does not affect the connecting part of the... - Page 21 Wiring between hydro unit and outdoor unit The dashed lines show on-site wiring. Connect the system interconnection wires to the identical terminal numbers on the terminal block of each unit. Incorrect connection may cause a failure. HWS-805H-E HWS-1105H-E Outdoor unit Hydro unit...
- Page 22 A switch that disconnects all poles and has a contact separation of at least 3 mm must be incorporated in Cord clamp Cord clamp the fixed wiring. Clamp filter ▼ HWS-805H-E, HWS-1105H-E, HWS-1405H-E (accessory) Cord clamp Cord clamp To Hydro unit Power supply...
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Page 23: Earthing
Installation Manual Air to Water Heat Pump Earthing Annual maintenance Connect the earth wire properly following applicable technical standards. • For an air to water heat pump system that is Connecting the earth wire is essential to preventing operated on a regular basis, cleaning and electric shock and to reducing noise and electrical maintenance of the Hydro / outdoor units are charges on the outdoor unit surface due to the high-... -
Page 24: Functions To Be Implemented Locally
Installation Manual Air to Water Heat Pump Functions to be Recovering refrigerant implemented • Use refrigerant recovery switch SW801 on the P.C. board of the outdoor unit to recover refrigerant when locally the Hydro or outdoor unit is moved. •... -
Page 25: Troubleshooting
Installation Manual Air to Water Heat Pump Troubleshooting You can perform fault diagnosis of the outdoor unit with the LEDs on the P.C. board of the outdoor unit in addition to using the check codes displayed on the wired remote controller of the indoor unit. Use the LEDs and check codes for various checks. - Page 26 * The LEDs and DIP switches are located on the lower left of the P.C. board of the outdoor unit. ▼ HWS-805H-E, HWS-1105H-E, HWS-1405H-E * The LEDs and DIP switches are located at the lower left of the P.C. board of the outdoor unit.
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Page 27: Appendix
Installation Manual Air to Water Heat Pump Appendix 4. When refrigerant cannot be recovered using a refrigerant recovery unit. • There is the possibility that a large quantity of dirty oil or moisture remains inside the pipes. Work instructions 5. - Page 28 Installation Manual Air to Water Heat Pump Curing of pipes When removing and opening the Hydro or outdoor unit for a long time, cure the pipes as follows: • Otherwise rust may be generated when moisture or foreign matter due to condensation enters the pipes. •...
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