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Table of Contents
- 1 Table of Contents
- 2 Precautions for Safety
- 3 Accessory Parts
- 4 Installation of R32 Air to Water Heat Pump
- 5 Installation Conditions
- 6 Refrigerant Piping
- 7 Air Purging
- 8 Electrical Work
- 9 Earthing
- 10 Finishing
- 11 Test Run
- 12 Annual Maintenance
- 13 Air to Water Heat Pump Operating Conditions
- 14 Functions to be Implemented Locally
- 15 Troubleshooting
- 16 HWT-1401HW-E 15 a Ppendix
- Download this manual
AIR TO WATER HEAT PUMP
Installation Manual
Outdoor Unit
Model name:
4kW model (HWT-40)
HWT-401HW-E
6kW model (HWT-60)
HWT-601HW-E
8kW model (HWT-80)
HWT-801HW-E
HWT-801HRW-E
HWT-801H8W-E
HWT-801H8RW-E
11kW model (HWT-110)
HWT-1101HW-E
HWT-1101HRW-E
HWT-1101H8W-E
HWT-1101H8RW-E
14kW model (HWT-140)
HWT-1401HW-E
HWT-1401HRW-E
HWT-1401H8W-E
HWT-1401H8RW-E
R32
English
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Table of Contents
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Summary of Contents for Toshiba HWT-801H8W-E
- Page 1 AIR TO WATER HEAT PUMP Installation Manual Outdoor Unit Model name: 4kW model (HWT-40) HWT-401HW-E 6kW model (HWT-60) HWT-601HW-E 8kW model (HWT-80) HWT-801HW-E HWT-801HRW-E HWT-801H8W-E HWT-801H8RW-E 11kW model (HWT-110) HWT-1101HW-E HWT-1101HRW-E HWT-1101H8W-E HWT-1101H8RW-E 14kW model (HWT-140) HWT-1401HW-E HWT-1401HRW-E HWT-1401H8W-E English...
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Page 2: Table Of Contents
Outdoor Unit Installation Manual – 1 – Contents Original instructions Please read this Installation Manual carefully before installing the Air to Water Heat Pump. • This Manual describes the installation method of the Outdoor Unit. 1 Precautions for safety ....................3 •... - Page 3 Gloves to provide protection for electricians and from heat • The qualified installer is a person who installs, maintains, relocates and removes the Air to Water Heat Pumps made by Toshiba Carrier Air-Conditioning Europe Sp. z o.o. He or she has been trained to install, Electrical-related work...
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Page 4: Precautions For Safety
Outdoor Unit Installation Manual – 3 – Precautions for safety Warning Indications on the Air to Water Heat Pump Unit • Ensure that all Local, National and International regulations are This mark is for R32 refrigerant only. Refrigerant type is written on nameplate of satisfied. - Page 5 Outdoor Unit Installation Manual • Do not modify this unit by removing any of the safety guards • Use the specified wires for wiring connect the terminals or by by-passing any of the safety interlock switches. securely fix. • After unpacking the unit, examine it carefully if there are To prevent external forces applied to the terminals from possible damage. affecting the terminals. • Do not install in a place that might increase the vibration of the • When the Air to Water Heat Pump cannot cool or heat water well, unit. contact the dealer from whom you purchased the Air to Water • To avoid personal injury (with sharp edges), be careful when Heat Pump as refrigerant leakage is considered as the cause.
- Page 6 Outdoor Unit Installation Manual – 5 – • The pipe-work shall be protected from physical damage. Do not wash Air to Water Heat Pump with pressure washers • Compliance with national gas regulations shall be observed. • Electric leaks may cause electric shocks or fires. Precautions for recovery of refrigerant when servicing or relocating unita CAUTION • When removing refrigerant from a system, either for servicing or decommissioning, it is recommended good practice that all This Air to Water Heat Pump adopts the HFC refrigerant (R32) which refrigerants are removed safely.
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Page 7: Accessory Parts
Outdoor Unit Installation Manual Accessory parts Installation of R32 Air to Water Heat Pump CAUTION Part name Shape Usage HWT- HWT- R32 refrigerant Air to Water Heat Pump installation 40,60 80,110,140 • This Air to Water Heat Pump adopts the HFC refrigerant (R32) which does not destroy ozone layer. Therefore, during installation work, make sure that water, dust, former refrigerant, or refrigerant oil does not enter the R32 refrigerant Air to Water Heat Pump cycle. -
Page 8: Installation Conditions
Outdoor Unit Installation Manual – 7 – ■ Refrigerant Piping ■ Installation location Caution during addition of refrigerant. Charge the • A location where the operating noise of the Outdoor refrigerant accurately. Overcharging may cause Unit is transmitted. serious trouble with the compressor. •... - Page 9 Outdoor Unit Installation Manual ■ Necessary Space for Installation (Unit: mm) Serial unit installation * When the outdoor temperature is high, the cooling capability may be decreased because of an equipment protection operation. Single unit installation When there is an obstacle on When there are obstacles on the When there is an obstacle on the When there is an obstacle on...
- Page 10 Outdoor Unit Installation Manual – 9 – ■ Installation of Outdoor Unit ■ For reference • When collectively draining discharged water Correct completely, use a drain pan. Absorb vibration • Before installation, check the strength and If a heating operation is to be continuously performed with vibration horizontalness of the base so that abnormal sounds <HWT-80, 110, 140>...
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Page 11: Refrigerant Piping
Outdoor Unit Installation Manual Refrigerant piping Piping connection Supplied protective bush Liquid side Outer diameter Thickness ■ Refrigerant Piping ■ Knockout of Pipe Cover 6.4 mm 0.8 mm 1. Use the following items for the refrigerant Knockout procedure Gas side piping. <HWT-80, 110, 140> Outer diameter Thickness Material : Seamless phosphorous deoxidized copper pipe. - Page 12 Outdoor Unit Installation Manual – 11 – ■ Refrigerant pipe length <HWT-40, 60> CAUTION CAUTION Flare nut Refrigeration pipe • Do not scratch the inner surface of the flared part • Do not put the crescent wrench on the cap. when removing burrs. The valve may break.
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Page 13: Air Purging
Outdoor Unit Installation Manual Air purging ■ Air purge With respect to the preservation of the terrestrial Compound pressure gauge Pressure gauge environment, adopt “Vacuum pump” to purge air ■ Airtight test (Evacuate air in the connecting pipes) when installing the –101 kPa Gauge manifold valve unit. - Page 14 Outdoor Unit Installation Manual – 13 – ■ Replenishing Refrigerant Vacuum pump <HWT-40, 60> ■ How to Open the Valve The refrigerant need not be reduced for a 20 meter (or Fully open the valves of the Outdoor Unit. (First fully This model is a 8 m* chargeless type that does not less) refrigerant pipe.
- Page 15 Outdoor Unit Installation Manual ■ Insulating the Pipes ■ T o Fix the Fluorinated Fill in the label as follows: Hydro Unit inspection locations Greenhouse Gases Label (piping connections) • The temperatures at both the liquid side and gas side Refrigerant will be low during cooling so in order to prevent This product contains fluorinated greenhouse gases.
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Page 16: Electrical Work
Outdoor Unit Installation Manual – 15 – Electrical work ■ Wiring between Hydro Unit and Outdoor Unit The dashed lines show on-site wiring. <HWT-40, 60> 1. Remove valve cover screw. WARNING Connect the system interconnection wires to the identical terminal numbers on the terminal block of each unit. 2. Pull the valve cover downward to remove it. Incorrect connection may cause a failure. - Page 17 Outdoor Unit Installation Manual How to wire <HWT-80, 110, 140> Stripping length power supply wire and <HWT-40, 60> system interconnection wire 1. Connect the system interconnection wire to the <Single-phase model> Terminal block terminal as identified with their respective numbers To Hydro Unit Power supply on the terminal block of the Hydro and Outdoor 1 2 3 terminal block terminal block...
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Page 18: Earthing
Outdoor Unit Installation Manual – 17 – Earthing Annual Functions to be implemented locally maintenance WARNING ■ Handling existing pipe • For an Air to Water Heat Pump system that Be sure to connect the earth wire. (Grounding work) is operated on a regular basis, cleaning and When using the existing pipe, carefully check for the following: Incomplete earthing may cause an electric shock. - Page 19 Outdoor Unit Installation Manual ■ Refrigerant Recovery 6. Hold down SW02 for at least 5 seconds, and when D804 flashes slowly and D805 lights, the forced cooling operation is started. (Max. 10 minutes) (Fig. 4) When recovering the refrigerant in situations such as when relocating an Hydro Unit or Outdoor Unit, the recovery operation can be performed by operating the SW01 and SW02 switches on the P.C.
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Page 20: Troubleshooting
Outdoor Unit Installation Manual – 19 – Troubleshooting A ppendix 3. When the Outdoor Unit was left with the pipes disconnected, or the gas leaked from the pipes and the pipes were not repaired and refilled. You can perform failure diagnosis of the Outdoor Unit with the LEDs on the P.C. board of the Outdoor Unit in •... - Page 21 Outdoor Unit Installation Manual 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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- Page 24 Toshiba Carrier Air-Conditioning Europe Sp.z o.o. ul. Gdańska 131, 62-200 Gniezno, Poland 2F302510013...