Specifications

TM022 Raypak RHP 33 Pool and Spa Heat Pump Service Instructions REV C
D.O.I: 14/03/2006
16
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Fault Finding Chart 1.1
Minimum water flow through
heater is 60 Litres p/min
1.1
Pool Heater not operating
Is there
adequate water
flow through the
heater?
Adjust thermostat dial.
The thermostat setting must
be higher than the actual
water temperature
YES
NO
Check pump operation.
Check position of valves.
Check that filter/skimmer is
not blocked or dirty
YES
Is
the thermostat
setting
correct?
After the unit has been
running and then shuts down
for any reason there is a 6
minute time delay before
compressor operation can
begin again.
Have
you waited 6
minutes for the
time delay?
NO
YES
Is
the low
pressure LED
on?
6
1.2
NO
YES
Has the
water flow
pressure switch
closed?
Test 4
Adjust or replace flow switchNO
YES
NO
Is the
Spa/Remote/Pool
switch on the correct
setting?
Turn Spa/Remote/Pool
switch to correct setting
YES
NO
To reduce the pressure at which
the flow switch operates, rotate
the adjustment dial clockwise