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Toshiba HWS-802XWHM3-E - Section 2

Toshiba HWS-802XWHM3-E
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107
8. OUTDOOR UNIT INSTALLATION MANUAL
Engineering Data book
Contents
1 ACCESSORY PARTS AND REFRIGERANT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108
2 PRECAUTIONS FOR SAFETY. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109
3 INSTALLATION OF NEW REFRIGERANT AIR TO WATER HEAT PUMP . . . . . . . 110
4 SELECTION OF INSTALLATION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112
5 REFRIGERANT PIPING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117
6 AIR PURGING. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120
7 ELECTRICAL WORK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122
8 EARTHING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124
9 FINISHING. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124
10 TEST RUN. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124
11 ANNUAL MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124
12 FUNCTIONS TO BE IMPLEMENTED LOCALLY. . . . . . . . . . . . . . . . . . . . . . . . . . . . 125
13 TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126
14 APPENDIX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127
Please read this Installation Manual carefully before installing the Air to Water Heat Pump.
This Manual describes the installation method of the outdoor unit.
For installation of the hydro unit, follow the Installation Manual attached to the hydro unit.
ADOPTION OF NEW REFRIGERANT
This Air to Water Heat Pump is a new type which adopts a new refrigerant HFC (R410A) instead of the
conventional refrigerant R22 in order to prevent destruction of the ozone layer.
1-EN

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