Meech A70000, Operating Manual

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8. Solenoid Valve & Thermostat (Cabinet
Cooler System Only)
A Cabinet Cooler System is supplied with either a 24V, 110V or 240V digital
thermostat and solenoid valve.
The combination of solenoid valve and digital thermostat allows application specific set
up and reduces running costs. It means cold air will only be supplied to the enclosure
when it’s needed.
The digital thermostat is factory set to activate the cabinet cooler when the internal
cabinet/panel temperature reaches 30°C. It will then cool the enclosure until the
temperature drops to 22°C. At this point the Cabinet Cooler is deactivated ready for
the process to start again.
Adjustment of Meech Factory settings
The thermostat is password protected to stop adjustment of the parameters. The
following 3 steps explain how to unlock the thermostat for parameter adjustment.
1. Power up thermostat – the temperature will be displayed.
2. Press and hold the ‘P’ until a ‘0’ is displayed (when 0 is displayed release the
‘P’ button)
3. Press and hold the ˄ button until the display shows 9000. Press ‘P’ once, you
will now have access to change the parameters.
Adjusting the main parameters
There are 2 main parameters that you may wish to adjust; the Set Point and
Differential. The following 5 steps will guide you though this process.
1. Use the 2 arrow buttons to toggle through the parameters.
2. When you reach ‘SP’ on the display stop and press the ‘P’ button once. This
allows you to adjust the set point of the thermostat between 10 and 50. The Set