12
INSTALLATION
The unit must be installed indoor, and the ambient temperature must be over 0 degree. If the unit is not
used for a long time and the environment temperature is below 0 degree, please drain the water in the
tank to prevent the freezing.
Installation overview
ATTENTION
•
The one-way safety valve (attached to the unit) must be installed. If not, it could cause damage
to the unit, or even hurt people. The set point of this safety valve is 0.7 MPa.
•
The discharge pipe connected to the one-way safety valve is to be installed in a continuously
downward direction and in a frost-free environment.
•
The water may drip from the discharge pipe of the one-way safety valve and that this pipe must
be left open to the atmosphere.
•
The one-way safety valve is to be operated regularly to remove lime deposits and to verify that
it is not blocked.
•
The tank water can be drained through the drainage hole on the bottom of the tank.
Summary of Contents for PST-250 Aero Termo
Page 1: ...Domestic Hot Water Heat Pump Operation and Installation Manual ENGLISH 02 07 2012...
Page 8: ...8 OVERVIEW OF THE UNIT Parts and descriptions...
Page 10: ...10 Water tank dimensions...
Page 26: ......
Page 27: ...27 WIRING DIAGRAM Please refer to the wiring diagram on the electric box EN...
Page 31: ...31 NOTES EN...