Freeze Protection - Sanden GS3-45HPA-US Installation Manual

Freeze protection

 Even if the water pipes have been insulated, the piping can freeze if the
surrounding temperature falls below freezing (32
the equipment and piping so make sure the appropriate freeze protection measures
are taken.
 Follow the instructions in the installation manual provided with the freeze protection
heat tape.
 After completion of the piping, inspect the plumbing for any water leaks from the
joints before installing freeze protection.
 Wrap the freeze protection heater around the pipes, up to the water connectors of
the Heat Pump unit.
 Ensure the freeze protection heaters are connected to a 24 hours continuous
power supply.
 It is important to fully explain the use and operation of the freeze protection heater
to the customer.
 When turning off the power, because the unit will not be in use, ALL water
must be drained from the unit and piping.
ote: Heat tape that uses the outside temperature to energize, may not maintain
N
the temperature of the pipes correctly. It is important to use a heat tape that
directly senses the pipe's temperature.
Figure 11: Details on wrapping thermal insulation around the piping connector
Sanden Heat Pump – Installation Manual
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F). This could cause damage to