FLOWMAX Technologies FLOWMAX-90 - Starting Up the Water Heater; Operating Modes; Temperature Regulation

USER INSTRUCTIONS
7
Starting - up the water heater
• Open the gas Isolation valve located under the
water heater.
• Switch on the water heater by placing the ON/OFF
switch (1) in the ON position (see “Control panel”).
• The water heater will light automatically (with the
WINTER mode selected and room thermostat
connected).
• Check that there are no flashing numbers on the
display 8 (see error codes). If code H2O appears
on the display 8 this denotes that there is no water
in the water heater. Consequently, fill the system
as described in section “Filling the system”.
■ “SUMMER” mode
To switch water heater operation to “SUMMER” mode,
press button 6 (see fig. 1). The water heater will only work for the D.H.W system. The “SUMMER” mode setting of
the water heater is signalled by the symbol lit continuously on the control panel.
The automatic ignition system will light the burner every time there is a demand for domestic hot water. In this case,
the symbol on the control panel will flash.
■ “WINTER” mode
To switch water heater operation to “WINTER” mode, press button 6 (see fig. 1). The water heater will only work for
the central heating system. The “WINTER” mode setting of the water heater is signalled by the symbol lit
continuously on the control panel.
The automatic ignition system will light the burner every time there is a demand for room heating. In this case, the
symbol on the control panel will flash.
■ “SUMMER-WINTER” mode
To switch water heater operation to “SUMMER/WINTER” mode, press button 6 (see fig. 1). The water heater will
work for both central heating/D.H.W systems. The “SUMMER/WINTER” mode setting of the water heater is
signalled by the symbols lit continuously on the control panel.
The automatic ignition system will light the burner every time there is a demand for room heating or domestic hot
water, the functioning is signalled by the symbols flashing continuously on the control panel.
■ Regulating the heating temperature
The heating temperature is regulated by knob 2 (see fig.1).
• Rotating the knob anticlockwise reduces the temperature.
• Rotating the knob clockwise increases the temperature.
• The range of temperature settings for the central heating runs from a minimum of 30°C to a maximum of 80°C,
or, in the case of low temperature operation, from a minimum of 25°C to a maximum of 59°C.
6 754321
8
120V 60Hz
Fig. 1