User Maintenance; Air To Water Heat Pump Operations And Performance - Toshiba Estia HWS-803XWHM3-E Manuel Du Propriétaire

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Hydro Unit
4

USER MAINTENANCE

Periodic maintenance (once a year) is necessary for this product. Consult the installation company.
If a problem occurs, contact the installation company or dealer.
5
AIR TO WATER HEAT PUMP OPERATIONS
AND PERFORMANCE
3 minutes protection function
3-minutes protection function prevents the air to water heat pump from starting for initial 3 minutes after the main
power switch/circuit breaker is turned on for re-starting the air to water heat pump.
Power failure
Power failure during operation will stop the unit completely.
• To restart the operation, push the ZONE1, 2/HOT WATER button on the remote controller.
Heating characteristics
Defrosting operation
If the outdoor unit is frosted during the heating or hot water supply operation, defrosting starts automatically (for
approximately 2 to 10 minutes) to maintain the heating capacity.
• During the defrosting operation, the defrosted water will be drained from the bottom plate of the outdoor unit.
Heating capacity
In the heating operation, the heat is absorbed from the outside and brought into the room. This way of heating is
called heat pump system. When the outside temperature is too low, it is recommended to use another heating
apparatus in combination with the air to water heat pump.
Attention to snowfall and freeze on the outdoor unit
• In snowy areas, the air inlet and air outlet of the outdoor unit are often covered with snow or frozen up.
If snow or freeze on the outdoor unit is left as it is, it may cause machine failure or poor warming.
• In cold areas, pay attention to the drain hose so that it perfectly drains water without water remaining inside for
freeze prevention. If water freezes in the drain hose or inside the outdoor unit, it may cause machine failure or
poor warming.
Air to water heat pump operating conditions
For proper performance, operate the air to water heat pump under the following temperature conditions:
Outdoor temperature
Cooling operation
Room temperature
Outdoor temperature
Hot water
Room temperature
Outdoor temperature
Heating operation
Room temperature
If air to water heat pump is used outside of the above conditions, safety protection may work.
: 10°C to 43°C
: 18°C to 32°C (Dry valve temp.)
: –20°C to 43°C
: 5°C to 32°C
: –20°C to 25°C
: 5°C to 32°C
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