Toshiba HWS-455H-E Bedienungsanleitung Seite 4

Power supply cord of parts of appliance shall be at least polychloroprene sheathed
fl exible cord (design H07RN-F) or cord designation 60245 IEC66 (1.5 mm
more). (Shall be installed in accordance with national wiring regulations.)
CAUTION
• THIS AIR TO WATER HEAT PUMP USES THE NEW HFC REFRIGERANT
(R410A), WHICH DOES NOT DESTROY THE OZONE LAYER.
R410A refrigerant is apt to be affected by impurities such as water, oxidizing
membranes, and oils because the pressure of R410A refrigerant is approx.
1.6 times of refrigerant R22. As well as the adoption of this new refrigerant,
refrigerating machine oil has also been changed. Therefore, during installation
work, be sure that water, dust, former refrigerant, or refrigerating machine oil
does not enter the refrigeration cycle of a new-refrigerant air to water heat pump.
To avoid mixing refrigerant and refrigerating machine oil, the sizes of charging
port connecting sections on the main unit are different from those for the
conventional refrigerant, and different size tools are also required. For
connecting pipes, use new and clean piping materials with high pressure
withstand capabilities, designed for R410A only, and ensure that water or
dust does not enter. Moreover, do not use any existing piping as its pressure
withstand may be insuffi cient and may contain impurities.
For general public use
New refrigerant air to water heat pump installation
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