WATER
IN
WATER
OUT
AIR INLET
THERMOSTAT
REMOVE BUNGS
BEFORE INSTALLING
HEAT PUMP
PP22BC FLOW RATE 1980L/HOUR
DETERMINING THE WATER FLOW PP22BC
The heat pump is fitted with a water flow switch which inhibits the operation of
the heat pump when the water flow is less than the figure shown in the table
below.
Adjust the flow rate until the flow rate is adequate. The display on the digital
thermostat shows “noF” until adequate flow is reached.
MODEL
Flow rates for water pressure switch
Machine starts working when the
flow rate rises above L/hour
Machine stops working when the
flow rate drops below L/hour
PP22
1200
1200
13
SD331852 ISSUE 7
