Table Of Contents - Toshiba HWS-803XWHM3-E Installation Manual

Hydro Unit
Please read this Installation Manual carefully before installing the Air to Water Heat Pump.
• This Manual describes the installation method of the hydro unit.
• For installation of the outdoor unit, follow the Installation Manual attached to the outdoor unit.
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.
Contents
1 GENERAL INFORMATION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2 ACCESSORY PARTS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
3 PREPARATIONS FOR INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
4 PRECAUTIONS FOR SAFETY. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
5 EXAMPLE OF HYDRO UNIT INSTALLATION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
6 MAIN COMPONENTS OF HYDRO UNIT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
7 HYDRO UNIT INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
8 START UP AND CONFIGURATION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
9 TEST RUN. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
10 MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
11 SENSOR TEMPERATURE MONITORING FUNCTION . . . . . . . . . . . . . . . . . . . . . . . . 40
12 TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
1-EN
ADOPTION OF NEW REFRIGERANT
- 2 -
Installation Manual