Toshiba HWS-1105H-E Installation Manual Download Page 5 | Manualshive

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Air to Water Heat Pump

Installation Manual



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.

Warning Indications on the Air to water heat pump Unit

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

Warning indication

Description

WARNING
ELECTRICAL SHOCK HAZARD
Disconnect all remote electric power supplies before servicing.

WARNING
Moving parts.
Do not operate unit with grille removed.
Stop the unit before the servicing.

CAUTION
High temperature parts.
You might get burned when removing this panel.

CAUTION
Do not touch the aluminum fins of the unit.
Doing so may result in injury.

CAUTION
BURST HAZARD
Open the service valves before the operation, otherwise there might be the

burst.

WARNING

ELECTRICAL SHOCK HAZARD

Disconnect all remote
electric power supplies
before servicing.

WARNING

Moving parts.
Do not operate unit with grille
removed.
Stop the unit before the servicing.

CAUTION

High temperature parts.
You might get burned
when removing this panel.

CAUTION

Do not touch the aluminum
fins of the unit.
Doing so may result in injury.

CAUTION

BURST HAZARD

Open the service valves before
the operation, otherwise there
might be the burst.

4-EN

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Summary of Contents for HWS-1105H-E

Page 1: ...AIR TO WATER HEAT PUMP 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 Installation Manual ...

Page 2: ...interface point between the user s supply and the public system It is the responsibility of the installer or user of the equipment to ensure by consultation with the distribution network operator if necessary that the equipment is connected 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 c...

Page 3: ...f new refrigerant air to water heat pump 9 4 Installation conditions 10 5 Refrigerant piping 14 6 Air purging 17 7 Electrical work 19 8 Earthing 22 9 Finishing 22 10 Test run 22 11 Annual maintenance 22 12 Air to water heat pump operating conditions 22 13 Functions to be implemented locally 23 14 Troubleshooting 24 15 Appendix 26 2 EN ...

Page 4: ...ed 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 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 Qualified service person The qualif...

Page 5: ...rtation of heavy objects Shoes with additional protective toe cap Repair of outdoor unit Gloves to provide protection for electricians and from heat Warning indication Description WARNING ELECTRICAL SHOCK HAZARD Disconnect all remote electric power supplies before servicing WARNING Moving parts Do not operate unit with grille removed Stop the unit before the servicing CAUTION High temperature part...

Page 6: ... moving the Air to Water Heat Pump for the installation into another place be very careful not to enter any gaseous matter other than the specified refrigerant into the refrigeration cycle If air or any other gas is mixed in the refrigerant the gas pressure in the refrigeration cycle becomes abnormally high and it may resultingly causes pipe burst and injuries on persons Do not modify this unit by...

Page 7: ...rant leakage confirm that the leakage portion has been completely repaired Conform to the regulations of the local electric company when wiring the power supply Inappropriate grounding may cause electric shock Do not install the Air to Water Heat Pump in a location subject to a risk of exposure to a combustible gas If a combustible gas leaks and stays around the unit a fire may occur Install the r...

Page 8: ...igerant Accordingly the exclusive tools are required for the new refrigerant R410A For connecting pipes use new and clean piping designed for R410A and please care so that water or dust does not enter To disconnect the appliance from main power supply This appliance must be connected to the main power supply by means of a switch with a contact separation of at least 3 mm The installation fuse must...

Page 9: ... E Part name Qty Shape Usage Outdoor unit installation manual 1 Hand this directly to the customer Drain nipple 1 Waterproof rubber cap 5 Protective bush 1 For protecting wires pipe cover Guard material for passage part 1 For protecting passage part pipe cover Energy label 2 Product fiche 1 Clamp filter 1 For conforming to EMC standards Used for power wire 8 EN ...

Page 10: ...stallation work Newly prepared tools and equipment must be used exclusively Legend Prepared newly Use for R410A only Do not use for refrigerant R22 or R407C etc Conventional tools equipment are available Tools equipment Use How to use tools equipment Gauge manifold Vacuuming charging refrigerant and operation check Prepared newly for R410A only Charging hose Prepared newly for R410A only Charging ...

Page 11: ...e compressor or other devices Airtight test 1 Before starting an airtight test further tighten the spindle valves on the gas and liquid sides 2 Pressurize the pipe with nitrogen gas charged from the service port to the design pressure 4 15 MPa to conduct an airtight test 3 After the airtight test is completed evacuate the nitrogen gas Air purge To purge air use a vacuum pump Do not use refrigerant...

Page 12: ...oor unit is transmitted When the outdoor unit is installed in an elevated position be sure to secure its feet A location in which drain water poses any problems 1 Install the outdoor unit in a location where the discharge air is not blocked 2 When an outdoor unit is installed in a location that is always exposed to strong winds like a coast or on the high stories of a building secure normal fan op...

Page 13: ...both front and rear of unit Open above and to the right and left of the unit The height of an obstacle in both the front and rear of the unit should be lower than the height of the outdoor unit Standard installation 1 Single unit installation 150 or more 200 or more 150 or more 300 or more The height of the obstacle should be lower than the height of the outdoor unit 150 or more 300 or more 300 or...

Page 14: ...oor unit with downward piping consider the piping work Set the out margin of the anchor bolt to 15 mm or less When water is to be drained through the drain hose attach the following drain nipple and waterproof rubber cap and use the drain hose Inner diam 16 mm sold on the market Also seal knockout hole and the screws securely with silicone material etc to prevent water from leaking Some conditions...

Page 15: ... the knockout part of the pipe cover through which pipes or wires will pass through the base plate Detach the pipe cover and tap on the knockout section a few times with the shank of a screwdriver A knockout hole can easily be punched After punching out the knockout hole remove burrs from the hole and then install the supplied protective bush and guard material around the passage hole to protect w...

Page 16: ...ch type Flaring diameter size A Unit mm In case of flaring for R410A with the conventional flare tool pull the tool out approx 0 5 mm more than that for R22 to adjust it to the specified flare size The copper pipe gauge is useful for adjusting the projection margin size Piping necessary to change the flare nut machining size due to pipe compression Flare nut width H and flare matching size A Flare...

Page 17: ...ions After the installation work be sure to check for gas leaks of the pipe connections with nitrogen Pressure of R410A is higher than that of R22 Approx 1 6 times Therefore using a torque wrench tighten the flare pipe connecting sections that connect the indoor outdoor units at the specified tightening torque Incomplete connections may cause not only a gas leak but also trouble with the refrigera...

Page 18: ... Check that the vacuum pump oil is filled up to the specified line of the oil gauge 2 When air is not charged check again whether the connecting port of the discharge hose which has a projection to push the valve core is firmly connected to the charge port Pressure gauge Gauge manifold valve Handle High Keep fully closed Compound pressure gauge Charge hose For R410A only Vacuum pump adapter for co...

Page 19: ...gerant pipes up to 30 m Refrigerant replenishing procedure 1 After vacuuming the refrigerant pipe close the valves and then charge the refrigerant while the air to water heat pump is not working 2 When the refrigerant cannot be charged to the specified amount charge the required amount of refrigerant from the charge port of the valve on the gas side during cooling Requirement for replenishing refr...

Page 20: ...ome electrical parts Be sure to use the cord clamps attached to the product Do not damage or scratch the conductive core or inner insulator of the power and inter connecting wires when peeling them Use the power and inter connecting wires with specified thicknesses specified types and protective devices required Remove the panel and you can see electric parts on the front side A metal pipe can be ...

Page 21: ...1105H8R E 1405H8 E 1405H8R E 1605H8 E 1605H8R E Power supply 220 230 V 50 Hz 380 400 V 3N 50 Hz Maximum running current 19 2 A 22 8 A 14 6 A Recommended field fuse 20 A 25 A 16 A Power supply wire 3 2 5 mm2 or more H07 RN F or 60245 IEC 66 5 2 5 mm2 or more H07 RN F or 60245 IEC 66 Hydro outdoor connecting wires 4 1 5 mm2 or more H07 RN F or 60245 IEC 66 L1 L3 L2 N 1 3 2 1 3 2 L N 1 3 2 1 3 2 HWS ...

Page 22: ...ump This product can be connected to the mains power Fixed wire connections A switch that disconnects all poles and has a contact separation of at least 3 mm must be incorporated in the fixed wiring HWS 805H E HWS 1105H E HWS 1405H E Stripping length power supply wire and system interconnection wire HWS 1105H8 E H8R E HWS 1405H8 E H8R E HWS 1605H8 E H8R E Stripping length power supply wire and sys...

Page 23: ... unit will become overpressurized which may damage the compressor or other components If there is a leak at a connection air can be sucked in and the internal pressure further increases which may cause a burst or injury Operate the air to water heat pump in the correct procedure as specified in the Owner s Manual Please refer to the Hydro unit installation manual for the detail of the test run 11A...

Page 24: ...the outdoor unit to recover refrigerant when the Hydro or outdoor unit is moved Before recovering the refrigerant in the existing system perform a cooling operation for at least 30 minutes Procedure 1 Drain off the water in the Hydro unit or turn on the water pump manually See operation check mode 2 Turn on the power of the air to water heat pump 3 Set SW804 on the P C board of the outdoor unit to...

Page 25: ...t 1 of DIP switch SW803 to ON 2 Jot down the states of LED800 to LED804 Display mode 1 3 Press SW800 for at least 1 second The LED status changes to display mode 2 4 Find an error whose display mode 1 equals the LED states jotted down and display mode 2 equals the current flashing states of LED800 to LED804 from the following table to identify the error An outside air temperature TO sensor error c...

Page 26: ...ion 22 Outdoor fan motor error 23 Compressor driver short circuit protection 24 Position detection circuit error in one line display 25 High pressure SW error No Cause Display mode 1 Display mode 2 D800 D801 D802 D803 D804 D800 D801 D802 D803 D804 SW801 SW804 SW800 LED ON 1 2 3 4 SW803 ON 1 2 3 4 SW802 ON 1 2 3 4 D800 D801 D802 D803 D804 D805 D800 D801 D802 D803 D804 D805 Enlarged view of LEDs SW8...

Page 27: ...e not repaired and refilled There is the possibility of rain water or air including moisture entering the pipe 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 5 When a commercially available dryer is attached to the existing pipes There is the possibility that copper green rust...

Page 28: ...house 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 shall be stopped and repaired as soon as possible 4 Only qualified service personnel are allowed to access and service this product 5 Any handling of the fluorinated greenhouse gas in this pr...

Page 29: ...EF99811701 ...

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