Toshiba ESTIA HWS-802XWHM3-E Installation Manual

Toshiba ESTIA HWS-802XWHM3-E

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Installation manual

Hydro Unit

(Air to Water Heat Pump)

2

English

AIR TO WATER HEAT PUMP

Hydro Unit

Model name:

HWS-802XWHM3-E

HWS-802XWHT6-E

HWS-1402XWHM3-E

HWS-1402XWHT6-E

HWS-1402XWHT9-E

Manuel d’installation

Unité hydroélectrique

(Pompe à chaleur air/eau)

44

Français

Installations-handbuch

Hydrogerät

(Luft-Wasser-Wärmepumpe)

86

Deutsch

Installationshandbok

Hydroenhet

(Luft-till-vatten-värmepump)

128

Svenska

Installation manual

Table of Contents

Other manuals for Toshiba ESTIA HWS-802XWHM3-E

Owner's Manual58 pages

Questions and Answers:

K
Kevin SolomonAug 12, 2025
Why is my Toshiba Heat Pump not heating or cooling properly?
- D
  David CollinsAug 13, 2025
  There are several reasons why your Toshiba Heat Pump might not be heating or cooling effectively. It could be due to an incorrect setting on the remote controller. Make sure to check the remote controller operation and temperature settings. It may also be due to an incorrect function code setting. Refer to the function code table to verify the settings. Another possible cause is a disconnected backup heater, so you should inspect the backup heater and bimetal thermostat. Insufficient capacity of the heat pump itself or a defect with the temperature sensor could also be factors. Check the equipment selection and ensure the temperature sensor is installed correctly.
A
Ann GuzmanAug 16, 2025
Why is my Toshiba ESTIA HWS-802XWHM3-E Heat Pump not cooling or heating?
- A
  Alec AndersonAug 17, 2025
  There might be several reasons why your Toshiba Heat Pump isn't cooling or heating the room: * Check if the scheduled operation is set, as this could be affecting the temperature. * Verify the settings on the remote controller to ensure night setback operation isn't active. * If the air conditioner is in Auto mode, the target temperature is automatically set based on the outdoor unit temperature. Note that the Auto mode can be adjusted by contacting the installation company.
A
Abigail ReyesAug 20, 2025
What to do if my Toshiba ESTIA HWS-802XWHM3-E remote controller displays nothing?
- D
  dudleydianaAug 20, 2025
  If the remote controller for your Toshiba Heat Pump isn't displaying anything, the first thing to check is the power supply wiring to ensure it's properly connected. Also, verify the DIP switch setting on the Hydro Unit board, using the function code table to confirm the setting.
W
wardbrandiAug 25, 2025
What to do if Toshiba ESTIA HWS-802XWHM3-E is not supplying hot water?
- J
  Jonathan HooperAug 25, 2025
  If your Toshiba Heat Pump isn't supplying hot water, consider the following: * Ensure that the main water supply cock is open and check all valves. * Be mindful of hot water usage. If you use hot water exceeding the storage capacity, the supplied water temperature will be lower than the set temperature.
K
Kevin CaldwellAug 27, 2025
How to fix Toshiba Heat Pump remote controller when nothing is displayed?
- B
  Brian YangAug 27, 2025
  If nothing is displayed on the remote controller of your Toshiba Heat Pump: * Check whether power is supplied to the remote controller. * Ensure that the circuit breaker switch is turned on.
C
cervantesloriAug 31, 2025
How to stop time indication from blinking on Toshiba ESTIA HWS-802XWHM3-E?
- T
  Tasha AyersSep 1, 2025
  If the time indication is blinking on your Toshiba Heat Pump, set the date and time.
D
Denise SpenceSep 4, 2025
What to do if hot water leaks from the pressure relief valve of my Toshiba ESTIA HWS-802XWHM3-E Heat Pump?
- D
  David ScottSep 4, 2025
  If hot water is leaking from the pressure relief valve of your Toshiba Heat Pump, it could be due to excessive hydraulic pressure. Set the hydraulic pressure considering the pipe height, and replenish water until the manometer shows a value of set hydraulic pressure or more. Another cause might be an insufficient capacity of the expansion tank compared to the total water amount, in which case you should consider installing another expansion tank. A failure of the expansion tank itself could also be the reason; check the air pressure.
P
Paige LeeSep 8, 2025
How to fix the error code [P01] on my Toshiba ESTIA HWS-802XWHM3-E due to flow rate switch activation?
- S
  Stephanie HurstSep 8, 2025
  If your Toshiba Heat Pump displays error code [P01] and the flow rate switch is activated, it could be due to several reasons. First, there might be air trapped in the pump; release the air completely according to the proper procedure. Low hydraulic pressure could also trigger this error; set the hydraulic pressure considering the pipe height, and replenish water until the manometer shows a value of set hydraulic pressure or more. A clogged strainer, large resistance on the hydro side, or a malfunction of the motorized 3-way valve for hot water supply could also be the cause. Clean the strainer, widen the water path to the hydro unit or adopt a bypass valve, and check the wiring and parts of the 3-way valve.

Toshiba ESTIA HWS-802XWHM3-E Specifications

General

Model	HWS-802XWHM3-E
Category	Heat Pump
Type	Air-to-Water
Nominal Heating Capacity	8.0 kW
Refrigerant	R32
Energy Efficiency Class (Heating)	A++
Power Supply	230V
Noise Level (Outdoor)	52 dB(A)

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