Zip Aquapoint III AP3/80 User Manual

AP3/30_AP3/50_AP3/80_AP3/100_Instructions. V1.01 Page 15 August / 2012
Draining
To drain the unit:
1. Isolate the electrical supply.
2. Isolate the mains cold water supply to the unit.
3. Open a hot water tap.
4. Remove the plug from the drain point on the heater.
5. Connect a suitable hose to the drain point to allow the contents to be drained safely.
6. Open the drain valve and allow the unit to drain.
De-Installation
To de-install the heater:
1. Switch off and disconnect the electrical supply.
2. Close the mains water supply isolating valve.
3. Drain the heater as described in “Draining”.
4. Disconnect the cold water inlet connection from the manifold assembly.
5. Disconnect the hot water supply pipe from the heater outlet.
6. Remove the heater.
Fault Possible Cause Solution
Regular, intermittent
water discharge
from tundish.
continued
Thermostat failure.
Isolate the heating system and check
thermal controls when discharge
ceases. Replace thermostat if faulty.
Continuous water
discharge from the
tundish.
Pressure reducing valve not
operating correctly.
Check with pressure gauge and replace
as necessary.
P&Treliefvalvenotoperating
correctly.
Check and replace if faulty.
Expansion relief valve not
operating correctly.
Check and replace if faulty.
Nowaterowfrom
hot taps.
Cold water mains supply
isolated.
Restore mains supply to the heater.
Integral line strainer in
pressure reducing valve has
become blocked.
Check and clean as necessary.
Pressure reducing valve
incorrectlytted.
Retcorrectlywith arrowsindirection
ofow.
Water from hot taps
is cold.
Power supply not switched on. Check and switch on.
Over temperature cut-out has
operated.
See fault “Over temperature cut-out
operates” above.
Faulty element. Check and replace as necessary.
Thermostat failure. Check and replace as necessary.

Zip Aquapoint III AP3/80 Specifications

General

Brand	Zip
Model	Aquapoint III AP3/80
Category	Water Heater
Language	English