Toshiba HWS-455XWHM3-E, HWS-805XWHM3-E, HWS-805XWHT9-E, HWS-1405XWHM3-E, HWS-805XWHT6-E Owner's Manual
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AIR TO WATER HEAT PUMP
Owner’s Manual
Hydro Unit
Model name:
HWS-455XWHM3-E
HWS-805XWHM3-E
HWS-805XWHT6-E
HWS-805XWHT9-E
HWS-1405XWHM3-E
HWS-1405XWHT6-E
HWS-1405XWHT9-E
English
Hydro Unit
Thank you very much for purchasing TOSHIBA Air to Water Heat Pump.
Please read this owner’s manual carefully before using the system.
• Be sure to obtain the “Owner’s manual” and “Installation manual” from constructor (or dealer).
Request to constructor or dealer
• Please clearly explain the contents of the Owner’s manual before handing it over to the Customer.
Owner’s Manual
REFRIGERANT
This Air to Water Heat Pump uses an HFC refrigerant (R410A) in order to prevent destruction of the ozone
layer.
This appliance is not intended for use by person (including children) with reduced physical, sensory or mental
capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction
concerning use of the appliance by a person responsible for their safety. Children should be supervised to
ensure that they do not play with the appliance.
This appliance can be used by children aged from 8 years and above and persons with reduced physical,
sensory or mental capabilities or lack of experience and knowledge if they have been given supervision or
instruction concerning use of the appliance in a safe way and understand the hazards involved. Children shall
not play with the appliance. Cleaning and user maintenance shall not be made by children without supervision.
Contents
1 Safety precautions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
2 Names and functions of parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
3 How to use functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
4 User maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
5 Air to Water Heat Pump operations and performance. . . . . . . . . . . . . . . . . . . . . . . 22
6 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
1-EN
– 1 –
Hydro Unit
DANGER
WARNING
Owner’s Manual
1 Safety precautions
The manufacturer shall not assume any liability for the damage caused by not observing the
description of this manual.
•
Do not attempt to install this unit yourself.
•
This unit requires a qualified installer.
•
Do not attempt to repair the unit yourself.
•
This unit has no components which you can repair.
•
Opening or removing the cover will expose you to dangerous voltages.
•
Turning off the power supply will prevent potential electric shock.
This appliance is intended to be used by expert or trained users in shops, in light industry, or
for commercial use by lay persons.
Installation warnings
• Be sure to ask a dealer or a store specialized in electrical work to install the Air to Water Heat
Pump.
• The Air to Water Heat Pump should be installed by a suitably qualified installer, if not; this
may lead to problems such as water leaks, electric shock, fire, etc.
• Ensure the correct grounding procedures are applied when installing the Air to Water Heat
Pump.
• Do not connect the earth wire to gas pipes, water pipes, lightning rods or telephone earth
wires.
• Should the Air to Water Heat Pump be improperly grounded, this could lead to an electric
shock.
• Serious damage can occur if there is water leak. Therefore, the Hydro Unit is recommended
to be installed in a room with waterproof flooring and drainage systems.
• Products and parts to be used in combination with this product must be specified products
and parts that meet prescribed specifications. If unspecified products or parts are used, a
failure, smoke, fire, or electric shock may be caused.
Operation warnings
• Avoid injury or damage to the outdoor unit by never inserting fingers or sticks into the air
discharge or air intake of the outdoor unit, during operation the fans run at a high speed.
• Should you notice something unusual with the Air to Water Heat Pump (such as a burning
smell or low heating power), immediately turn off the main switch and circuit breaker from the
main power supply to stop the Air to Water Heat Pump, and contact the dealer.
• If there is a suspected problem with the operation of the Air to Water Heat Pump, continuous
operation is not recommended, operational failures may lead to machine breakdown, electric
shock, a fire, etc.
• Do not spill water or other liquid onto the Hydro Unit.
• If the unit is wet, it could cause an electric shock.
Warnings at movement and repair
• Do not attempt to move or repair the unit yourself.
• Due to the presence of high voltage, removal of any covers may result in an electric shock.
• Should there be any requirements for the Air to Water Heat Pump to be moved, always
consult the dealer or qualified installer.
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2-EN
Hydro Unit
CAUTION
Owner’s Manual
• Should the Air to Water Heat Pump be improperly installed, it may lead to electric shock or
fire.
• Whenever the Air to Water Heat Pump requires repair, request assistance from the dealer.
• Should the Air to Water Heat Pump be improperly repaired, the result may lead to electric
shock or fire.
This appliance is not intended for use by person (including children) with reduced physical
sensory or mental capabilities, or lack of experience and knowledge, unless they have been
given supervision or instruction concerning use of the appliance by a person responsible for
their safety.
To disconnect the appliance from the main power supply
This appliance must be connected to the main power supply using a circuit breaker or switch
with a contact separation of at least 3 mm.
Installation cautions
• Be sure to connect the Air to Water Heat Pump to a dedicated power supply using the rated
voltage.
Failure to do so may cause the unit to break down or cause a fire.
• Do not install the unit in a place where there is a risk that flammable gas may leak.
• An accumulation of flammable gases around the unit may result in a fire.
• There is a risk of condensation on the panel during the cooling operation.
Please add insulation to the condensation parts as necessary.
Operation cautions
• To ensure satisfactory performance, please read this manual carefully before operating the
Air to Water Heat Pump system.
• Do not install the Air to Water Heat Pump in special-purpose rooms such as a ship or any
kind of vehicle.
Doing so could harm machine performance.
• When the Air to Water Heat Pump is operated together with a combustion device in the same
place, pay careful attention to ventilation and let fresh air into the room.
Poor ventilation can cause an oxygen shortage.
• When the Air to Water Heat Pump is used in a closed room, pay careful attention to the
ventilation of the room.
Poor ventilation can cause an oxygen shortage.
• Do not put a container with water, such as a vase, on the unit, should water enter the unit the
result may lead to an electric shock, this would be due to deterioration in the electric
insulation.
• Perform occasional checks to the concrete supports underneath the outdoor unit.
If the base is left damaged or deteriorated, the unit may topple over which could result in
possible injury.
• Check from time to time that the unit mounts are not damaged.
If the mounts are left damaged, the unit may drop or topple over, resulting in possible injury.
• Do not wash the unit with water. This could cause an electric shock.
• Do not use alcohol, benzene, thinner, glass cleaner, polishing powder, or other solvent for
cleaning the unit because they can deteriorate and damage the Air to Water Heat Pump.
• Before cleaning the unit, be sure to turn off the main switch or circuit breaker.
• Do not place anything, or step, on the unit, this could cause the unit to fall or topple over
which may result in possible injury.
3-EN
– 3 –
Hydro Unit
Owner’s Manual
• To achieve maximum performance, the Air to Water Heat Pump must operate within the
temperature range specified in the instructions.
Failure to do so may cause malfunction, break down, or water to leak from the unit.
• Clear away snow before it accumulates on the outdoor unit.
Accumulated snow can lead to malfunction and damage.
• Do not locate other electric appliances or furniture underneath the unit.
Water may drip from the unit, which could lead to rust, unit failure and damage to property.
• Do not allow the obstruction of air flow around the outdoor unit; Do not place any items within
the specified installation service space requirements.
Obstructed air flow can lower performance and cause damage.
• Check for water leaks. In communal housing, leaking water may damage lower floors.
Check for water leaks everyday.
• Do not touch the water pipes, refrigerant pipes, or joints. These may become extremely hot.
Do not drink water produced by the Air to Water Heat Pump.
• After extended use, fresh water may become contaminated by the Hydro Unit, due to
deterioration of pipe materials, etc.
• If fresh water contains solid matter, is discolored, turbid or smells, DO NOT DRINK IT.
• Call for equipment inspection immediately.
• Use source water that satisfies water quality standard.
• When the unit will not be used for a long period of time, ask your dealer or a qualified service
shop to drain the water inside the Hydro Unit in order to prevent the water quality from
changing.
• When restarting use, ask your dealer or a qualified service shop to charge the unit with water
and perform a test run.
• Ask your dealer or a qualified service shop to periodically clean the strainer.
• Ask your dealer or a qualified service shop to confirm that the relief valve is operating
correctly.
• Do not hit the manometer, because it is made of glass. It is breakable.
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4-EN
Hydro Unit
5
Fig. 2-01
2 Names and functions of parts
Buttons
Owner’s Manual
8
6
4
1
7
23
1 [ ON/OFF] button
2 [ ] button
On the top screen: Adjusts the temperature.
On the menu screen or other screen: Selects a menu item or ON/OFF of each function or moves a cursor, etc.
3 [ ] button
On the top screen: Adjusts the temperature.
On the menu screen or other screen: Selects a menu item or ON/OFF of each function or moves a cursor, etc.
4 [ MENU] button
On the top screen: Displays the MENU screen.
On the other screen: Fixes or copies setting the parameter value.
5 [ ] button
On the top screen: Select the heating or cooling mode.
On the other screen: Varies its function according to the screen.
5-EN
6 [ ] button
On the top screen: Select the hot water mode.
On the other screen: Varies its function according to the screen.
7 [ RETURN] button
Returns to the previous screen, etc.
8 [ MODE] button
On the top screen: Select the mode for which to change the temperature.
On the other screen: Resets the setting parameter value.
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Hydro Unit
Fig. 2-02
ZONE1 ZONE2 HOT WATER
HEAT/COOL HOT WATER
MON
ZONE1
HEAT/COOL
HEAT/COOL
HOT WATER
HOT WATER
/
Meaning of Indication on the top screen
ZONE1 Lights when floor heater or radiator is connected (when the system has floor heater or radiator).
ZONE2 Lights when controlling the second temperature (It may not light depending on the system).
HOT WATER Lights when hot water supply system is connected (when the system has hot water supply).
Owner’s Manual
The painted mark lights for operation mode for which temperature is to be changed.
Lights when the compressor is acting for heating or cooling operation.
Lights while the electric heater inside the hydro unit is energized during a heating operation.
Lights while the compressor is acting for hot water supply operation.
Lights while the electric cylinder heater is energized during hot water operation.
Lights when heating is selected.
Lights when cooling is selected.
Lights during hot water supply is selected.
Lights while internal pump (pump 1) or expansion pump (pump 2) is driven.
Lights when the auxiliary boiler or external booster heater supports the heat pump operation.
Lights during water temperature control mode / room temperature control mode.
Lights during Auto mode operation.
Lights when Schedule timer or Floor drying is set to “ON”.
– 6 –
6-EN
Hydro Unit
Owner’s Manual
Lights when Night setback operation is set to “ON” and heating or cooling is selected.
Lights while Silent mode operation is actually running.
Lights while hot water boost is actually running.
Lights when Anti bacteria operation is set to “ON” and hot water operation is selected.
Lights while Frost protection operation is actually running.
Lights when Test mode or Floor drying is set to “ON”.
Displays when the remote controller is set as Second remote controller.
Lights when an error occurs and goes out when the error is cleared.
Lights when an error occurs. This number is unit number.
7-EN
– 7 –
Hydro Unit
HEAT COOL No indication
(OFF)
ZONE1 ZONE2
HOT WATER
HEAT/COOL
HOT WATER
MON
HOT WATER No indication
(OFF)
ZONE1 ZONE2
HOT WATER
HEAT/COOL HOT WATER
MON
ZONE1 ZONE2
HOT WATER
HEAT/COOL
HOT WATER
MON
3 How to use functions
The following explanation is based on factory setting.
Owner’s Manual
Heating or cooling operation
(1) Press the [ ON/OFF] button to start operation.
(2) Press the [ ] button to select operation mode.
(3) The operation mode changes as follows each time
the button is pressed.
• During the heat pump operation, the mark is
displayed. During the internal heater is energized,
the
(4) When the [ ON/OFF] button is pressed,
mark is displayed.
operation stop.
Changing the temperature
(1) Press the [ ] button to select the mode to
change the temperature.
(2) Press the [ ] / [ ] button to adjust the
temperature.
• The ZONE2 setting temperature must be equal to or
lower than the ZONE1 setting temperature.
• You can choose whether to use water temperature
or room temperature as set temperature.
• When room temperature control is selected with
second remote controller, room temperature is used
as set temperature. The
mark.
mark changes to the
Hot water supply operation
(1) Press the [ ON/OFF] button to start running.
(2) Press the [ ] button to select the Hot water supply
operation mode.
(3) The operation mode changes as follows each time
the button is pressed.
• During the heat pump operation, the mark is
displayed. During the cylinder heater is energized,
the
(4) Press the [ ON/OFF] button to stop running.
mark is displayed.
When the [ ON/OFF] button is pressed, all the
operations, heating or cooling and hot water, stop.
Menu operation
(1) Press the [ ] button, then the menu screen is
displayed.
(2) Press the [ ] / [ ] button to select an item.
The selected item is highlighted.
(3) Press the [ ] button. The setting screen appears.
To undo
Press the [ ] button to return. The display returns to
the previous screen.
– 8 –
8-EN
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