Gabarron CMX15P Installation Instructions And User Manual page 22

This will always occur if the ambient temperature demands it.
The heating setting can be varied between 8 and 85°C. The symbol H appears after the 85 value or before the 8
value. If we select this value, the heating will function in anti-freeze mode: if the temperature falls below 7°C, the
boiler will connect automatically.
7.3.1 AMBIENT THERMOSTAT
The optimum operation of the heating installation is achieved when an ambient thermostat or ambient chrono
thermostat is connected to the boiler.
Connect the normally open contact of the ambient thermostat to the terminals of the electronic card of the boiler in
substitution of the bridge.
7.3.2 MODULATION OF THE HEATING
Always provided that an ambient thermostat is connected to the boiler, this will work modulating the output,
adjusting it to the heat necessities of the installation. In this way, on cold days the boiler will use more power and on
warmer days the power consumed will be reduced.
This occurs automatically and requires no action on the part of the user; just follow the specific instructions of the
ambient thermostat or chrono thermostat.
7.3.3 ANTI-BLOCKING OF THE ACCELERATOR PUMP
The boiler has a blocking control on the circulation pump. Whenever the heating is turned off, the circulation pump
continues working for two minutes more.
Whenever the boiler is started using
switched off.
Once every month, even if the boiler or the heating is switched off, the pump will run for 10 seconds.
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button the pump will run for 10 seconds even though the heating is
If, despite everything, the pump seizes, follow the following
steps in order to unblock it:
- First disconnect the boiler from the mains.
- Take off the front panel after removing the two screws on
the upper part of the boiler to access the pump.
- Remove the front cover as shown in the figure. A small
quantity of water may appear at this moment, stop it from
splashing by using a cloth or absorbent paper.
- Using a suitable screwdriver, turn the shaft several times
until it moves smoothly.
- Replace the cover and the front panel with the screws.
Gabarrón CMXP