Installer’s Guide – (Gas Post-Boost) Solar Water Heater
23
H4110 4110 Rev. F
Burner test point pressure
Step 28
Adjustments –
Burner Test Point Pressure
• The high and low test point
pressures can be adjusted by doing
the following:
– Unscrew the four front cover
retaining screws and remove the
front cover.
– Unscrew the blanking screw from
the manometer test point (label 1)
and connect the manometer to
the test point.
Setting the Low Burner rate
Step 29
Setting the Low Burner Rate
• Set the Lower Dip Switch Block
(label 2) for minimum output setting
as shown below.
• Open a hot water outlet fully in order
to start combustion
• Slowly rotate the minimum gas control
volume screw (label 3) clockwise or
anti-clockwise until the correct low
rate test point pressure is achieved.
Upper
Dip Switch
Lower
Dip Switch (2)
Minimum gas control
volume screw (3)
Maximum gas control
volume screw (4)
Manometer
test point (1)
Installer’s Guide
Upper
Dip Switch
Lower
Dip Switch (2)
Minimum gas control
volume screw (3)
Maximum gas control
volume screw (4)
Manometer
test point (1)
