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Outdoor Unit

Installation Manual

Generic denomination: Air to Water Heat Pump

Definition of qualified installer or qualified service person

The Air to Water Heat Pump must be installed, maintained, repaired and removed by a qualified installer or 
qualified service person. When any of these jobs is to be done, ask a qualified installer or qualified service person 
to do them for you.
A qualified installer or qualified service person is an agent who has the qualifications and knowledge described in 
the table below.

Agent

Qualifications and knowledge which the agent must have

Qualified installer

• 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, 

maintain, relocate and remove the Air to Water Heat Pump made by Toshiba Carrier Air-Conditioning 

Europe Sp. z o.o. or, alternatively, he or she has been instructed in such operations by an individual or 

individuals who have been trained and is thus thoroughly acquainted with the knowledge related to these 

operations.

• The qualified installer who is allowed to do the electrical work involved in installation, relocation and 

removal has the qualifications pertaining to this electrical work as stipulated by the local laws and 

regulations, and he or she is a person who has been trained in matters relating to electrical work on the 

Air to Water Heat Pump made by Toshiba Carrier Air-Conditioning Europe Sp. z o.o. 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.

• The qualified installer who is allowed to do the refrigerant handling and piping work involved in installation, 

relocation and removal has the qualifications pertaining to this refrigerant handling and piping work as 

stipulated by the local laws and regulations, and he or she is a person who has been trained in matters 

relating to refrigerant handling and piping work on the Air to Water Heat Pump made by Toshiba Carrier 

Air-Conditioning Europe Sp. z o.o. 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.

• The qualified installer who is allowed to work at heights has been trained in matters relating to working at 

heights with the Air to Water Heat Pump made by Toshiba Carrier Air-Conditioning Europe Sp. z o.o. 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.

Qualified service 

person

• The qualified service person is a person who installs, repairs, maintains, relocates and removes the Air 

to Water Heat Pump made by Toshiba Carrier Air-Conditioning Europe Sp. z o.o. He or she has been 

trained to install, repair, maintain, relocate and remove the Air to Water Heat Pump made by Toshiba 

Carrier Air-Conditioning Europe Sp. z o.o. or, alternatively, he or she has been instructed in such 

operations by an individual or individuals who have been trained and is thus thoroughly acquainted with 

the knowledge related to these operations.

• The qualified service person who is allowed to do the electrical work involved in installation, repair, 

relocation and removal has the qualifications pertaining to this electrical work as stipulated by the local 

laws and regulations, and he or she is a person who has been trained in matters relating to electrical work 

on the Air to Water Heat Pump made by Toshiba Carrier Air-Conditioning Europe Sp. z o.o. 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.

• The qualified service person who is allowed to do the refrigerant handling and piping work involved in 

installation, repair, relocation and removal has the qualifications pertaining to this refrigerant handling and 

piping work as stipulated by the local laws and regulations, and he or she is a person who has been 

trained in matters relating to refrigerant handling and piping work on the Air to Water Heat Pump made 

by Toshiba Carrier Air-Conditioning Europe Sp. z o.o. 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.

• The qualified service person who is allowed to work at heights has been trained in matters relating to 

working at heights with the Air to Water Heat Pump made by Toshiba Carrier Air-Conditioning Europe Sp. 

z o.o. 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.

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.
Failure to wear the proper protective gear is dangerous because you will be more susceptible to injury, burns, 
electric shocks and other injuries.

Work undertaken

Protective gear worn

All types of work

Protective gloves
“Safety” working clothing

Electrical-related work

Gloves to provide protection for electricians and from heat
Insulating shoes
Clothing to provide protection from electric shock

Work done at heights (50 cm or 

more)

Helmets for use in industry

Transportation of heavy objects Shoes with additional protective toe cap

Repair of Outdoor Unit

Gloves to provide protection for electricians and from heat

3-EN

4-EN

Summary of Contents for HWT-1101HRW-E

Page 1: ...Outdoor Unit Model name HWT 401HW E HWT 601HW E HWT 801HW E HWT 1101HW E HWT 801HRW E HWT 1101HRW E AIR TO WATER HEAT PUMP Installation Manual R32 English ...

Page 2: ...cted only to a supply with a short circuit power Ssc greater than or equal to Ssc 1 Furthermore when similar equipment or other equipment which may cause harmonic current emissions are to be connected to the same interface point with this equipment to reduce the risk of possible problems which may be caused from addition of those harmonic current emissions it is recommended to make sure that the s...

Page 3: ...nd removes the Air to Water Heat Pump made by Toshiba Carrier Air Conditioning Europe Sp z o o He or she has been trained to install repair maintain relocate and remove the Air to Water Heat Pump made by Toshiba Carrier Air Conditioning Europe Sp z o o or alternatively he or she has been instructed in such operations by an individual or individuals who have been trained and is thus thoroughly acqu...

Page 4: ...ht be the burst 1 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 After the installation work perform a test run to check for any problem Follow the Owner s Manual to explain how to us...

Page 5: ...e terminals securely fix To prevent external forces applied to the terminals from affecting the terminals When the Air to Water Heat Pump cannot cool or heat water well contact the dealer from whom you purchased the Air to Water Heat Pump as refrigerant leakage is considered as the cause In the case of repair that requires refill of refrigerant ask service personnel about details of the repair The...

Page 6: ...tem either for servicing or decommissioning it is recommended good practice that all refrigerants are removed safely When transferring refrigerant into cylinders ensure that only appropriate refrigerant recovery cylinders are employed Ensure that the correct number of cylinders for holding the total system charge is available All cylinders to be used are designated for the recovered refrigerant an...

Page 7: ...ials with high pressure fittings made for the R32 or R410A only so that water and or dust does not enter When using existing piping refer to 15 APPENDIX 1 Existing piping Required Tools Equipment and Precautions for Use Prepare the tools and equipment listed in the following table before starting the installation work Newly prepared tools and equipment must be used exclusively Legend Conventional ...

Page 8: ...n that is durable enough to support the weight of the Outdoor Unit Insufficient durability may cause the Outdoor Unit to fall which may result in injury Pay special attention when installing the unit onto a wall surface CAUTION Do not install the Outdoor Unit in a location that is subject to combustible gas leaks Accumulation of combustible gas around the Outdoor Unit may cause a fire Install the ...

Page 9: ...n operation When there is an obstacle on the back side Front sides and top are free When there are obstacles on the back and top sides Front and sides are free When there is an obstacle on the front side Back sides and top are free When there are obstacles on the back and sides Front and top are free The height of the obstacle should be lower than that of the Outdoor Unit When there are obstacles ...

Page 10: ...ain hole A Drain hole B Absorb vibration with vibration proof rubber pads Bottom plate of Outdoor Unit Do not support the Outdoor Unit only with the fixing leg Fixing leg Foundation Foundation Foundation If only the end of the fixing leg is supported it may deform Incorrect Correct Correct Support the bottom surface of the fixing leg that is in contact with and underneath the bottom plate of the O...

Page 11: ...el Right side panel Right side claws Left side claws HWT 80 110 Rear direction Pipe cover Side direction Down direction Front direction Optional Installation Parts Locally procured HWT 80 110 HWT 40 60 Refrigerant Piping Connection CAUTION Take note of these 4 important points below for piping work 1 Keep dust and moisture away from inside the connecting pipes 2 Tightly connect the connection betw...

Page 12: ...d use a single crescent to loosen or tighten the flare nut of the valve on the liquid side Unit N m HWT 80 110 Valve at gas side HWT 40 60 Outer dia of copper pipe Tightening torque 6 4 mm 14 to 18 12 7 mm 50 to 62 15 9 mm 68 to 82 Tightened Flare nut Loosened Wrench for work Flare nut Cap Tightened Loosened Wrench for fixing Valve at gas side CAUTION Do not put the crescent wrench on the cap The ...

Page 13: ...pressure gauge Gauge manifold Low pressure gauge Nitrogen gas Charge port Pressure reducing valve CAUTION Never use oxygen flammable gas or noxious gas for the airtight test Major leaks can be discovered Micro leaks can be discovered Air purge With respect to the preservation of the terrestrial environment adopt Vacuum pump to purge air Evacuate air in the connecting pipes when installing the unit...

Page 14: ...ent for replenishing refrigerant Replenish liquid refrigerant When gaseous refrigerant is replenished the refrigerant composition varies which disables normal operation Adding additional refrigerant The maximum refrigerant charge 1 8kg HWT 40 60 The refrigerant need not be reduced for a 15 meter or less refrigerant pipe HWT 80 110 The refrigerant need not be reduced for a 8 meter or less refrigera...

Page 15: ... label using indelible ink Then place the included transparent protective sheet over the label to prevent the writing from rubbing off 3 Prevent emission of the contained fluorinated greenhouse gas Ensure that the fluorinated greenhouse gas is never vented to the atmosphere during installation service or disposal When any leakage of the contained fluorinated greenhouse gas is detected the leak sha...

Page 16: ...Check that cabling will not be subject to wear corrosion excessive pressure vibration sharp edges or any other adverse environmental effects The check shall also take into account the effects of aging or continual vibration from sources such as compressors or fans HWT 40 60 HWT 80 110 1 Remove the service panel and the terminal cover 2 A conduit pipe can be installed through the hole for wiring If...

Page 17: ...cable tie L Circumference of the wire mm L Diameter of the wire D mm π Cut cable tie of exessive part A CAUTION An installation fuse must be used for the power supply line of this Air to Water Heat Pump Incorrect incomplete wiring may lead to an electrical fire or smoke Prepare a dedicated power supply for the Air to Water Heat Pump This product can be connected to the mains power Fixed wire conne...

Page 18: ...an Hydro Unit is operated for about 8 hours daily the Hydro Outdoor Units will need to be cleaned at least once every 3 months This cleaning and maintenance should be carried out by a qualified service person Failure to clean the Hydro Outdoor Units regularly will result in poor performance icing water leaking and even compressor failure 12 Air to Water Heat Pump operating conditions For proper pe...

Page 19: ...5 to the refrigerant recovery LED display shown below Fig 2 Fig 1 Fig 2 ON OFF Slow flashing ON OFF Rapid flashing 5 Press SW02 to set D805 to rapid flashing Each time SW02 is pressed D805 is switched between rapid flashing and OFF Fig 3 D800 Yellow D801 Yellow D802 Yellow D803 Yellow D804 Yellow D805 Green or or or or or OFF or Rapid flashing OFF or Rapid flashing OFF or Rapid flashing OFF or Rap...

Page 20: ...ch or dent is heavy be sure to use new pipes for the refrigerant piping works 2 When the existing pipe thickness is thinner than the specified Pipe diameter and thickness be sure to use new pipes for the refrigerant piping works The operating pressure of R32 is high If there is a scratch or dent on the pipe or a thinner pipe is used the pressure strength may be inadequate which may cause the pipe ...

Page 21: ...the pipes as follows Otherwise rust may be generated when moisture or foreign matter due to condensation enters the pipes The rust cannot be removed by cleaning and new pipes are necessary Placement location Term Curing manner Outdoors 1 month or more Pinching Less than 1 month Pinching or taping Indoors Every time 39 EN 40 EN ...

Page 22: ...2F30251001 ...

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