Specifications

TM024 Premier Loline Solar Drain back Service Instructions REV: A
D.O.I: 12/12/2007
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37
Fault Finding Chart 2 & 2.1
(1)
Is the
water heater
of sufficient size for
the customers
needs?
YES
Has
the usage pattern
changed recently? i.e.
additional appliances or
people using hot
water
NO NO
NO
Replace the T&PR valve with one of
the correct pressure rating.
Do not use reconditioned T&PR
valves.
Existing pressure limiting valve faulty.
Fit pressure limiting valve if not
already fitted.
Replace T&PR valve if required.
YES
Are
there any
plumbing leaks,
crossed connections
or dripping
taps?
NO
NO
Recommend a water heater of
sufficient capacity to meet customers
needs.
Is
the T&PR
valve continuously
discharging
water?
Recommend a hot water usage
pattern that will suit the water heaters
capacity and the customers needs.
NO
YES
Is the
water supply
pressure above
800kPa?
YES
Repair any leaks.
Isolate crossed connections.
YES
Is
the correct
T&PR valve
fitted?
NONO
Is the
water temp in the
tank above
75º?
YES
YES
Check for crossed connection.
Replace T&PR valve.
NO
2
Is the
water heater
sized as recommended
in the sizing
guide?
2.1
1
1.2
1.1
591 (electric boosted)
596 (gas boosted)
590 (solar pre-heater)
What is
the model
number?
What is
the model
number?
Are
the thermostat
contacts
closed?
3.2
NO
3.3
YES
591 (electric boosted)
590 (solar pre-heater) & 596 (gas boosted)
Notes
(1) The T&PR may under normal operating conditions discharge up
to 10 litres over a 24 hour period; therefore a small discharge
may occur whilst appliance is heating – Normal operation.
The tank water temperature can be determined by
gently lifting the easing lever on the T&PR valve and
measuring the water temperature at the discharge
Test 4A for EWT
type thermostats or
test 4B for ST type
thermostats