14
INSTALLATION INSTRUCTIONS & USER MANUAL
210005 V2.00 AUG 2017 - ZIP APIII/5-15(OB)
TECHNICAL SUPPORT TEL: 0345 6 005 005 EMAIL: SERVICE@ZIPINDUSTRIES .CO.UK
WWW.ZIPWATER.CO.UK
• Check that all Installation requirements have been met.
• Check that all water and electrical connections are correct and tight.
• Open a hot water tap.
• Open the water mains isolating valve and allow the heater to fill.
• Close the hot water tap when water starts to flow from it.(The heater vessel should now
be full).
• Check for leaks and rectify as necessary.
• Manually operate the Expansion Relief Valve and T&P Valve if fitted to ensure free water
flow through the discharge pipe by turning the knob to the left and holding it in the open
position.
• Set the temperature control knob to the required position. The economy ‘e’ setting will
maintain the most economical stored water temperature at approx. 41°C for models
AP/05/OB, AP3/05 or 35°C for models AP3/10/OB, AP3/10, AP3/15/OB, AP3/15.
Lime-scale formation and heat loss are minimised at the economy ‘e’ setting, however
the operating temperature may be increased as required to a maximum of 75°C.
Fig.3
• Insert screwdriver in slot ‘1’ and
remove cover ‘2’.
• Set knob limiter ‘3’ to any desired
temperature value.
C - 35°C
B - 45°C
A - 55°C
- 75°C
• Replace cover ‘2’.
Note:
• Rotating the temperature control knob varies the temperature over the range 9°C to 75°C.
• To protect the water heater from freezing, the temperature control knob may be set to
when a stored water temperature of approximately 9°C will be maintained while the heater
is connected to the power supply. This protection does not extend to the pipe work and
fittings.
COMMISSIONING AND OPERATION
• The maximum stored water temperature can be limited as follows.
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