Protherm 100EC, User, Installation And Servicing Instructions, Page: 6 / 32

Supplied By www.heating spares.co Tel. 0161 620 6677
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100EC
The comfort mode of domestic hot water
Comfort mode means that boiler is kept in pre-heated stage and waiting time for DHW delivery is shorten.
There are two ways of comfort DHW mode available:
Limited - if comfort mode of hot water is required only for limited time.
Open and close a bath tap (On/Off for interval between 2 and 5 seconds). It is automatically recognized by
boiler control unit and primary system water is preheated for immediate hot water preparation.
Permanent - if comfort mode of hot water is required permanently.
Be sure, the display is in basic mode.
Press button (6).
Comfort LED (10) will light up - comfort mode is ON.
Comfort mode will OFF by next press of button (6) - diode (10) will go out.
Safety lockout
In the event of a safety lockout, the digital display will show ‘F1’.
Reset boiler by pressing the RESET button.
IMPORTANT: If safety lockout occurs frequently, or if any other fault is indicated,
contact your Installer/Service Provider.
DRAINING AND FILLING
CAUTION: The boiler is installed as part of a sealed system which must only be
drained and filled by a competent person.
If the pressure drops to 1 bar the pressure LED on the Bar button starts to flash.
The boiler will continue to work, but the LED warns that pressure in the CH
system is on the low limit and CH system must be filled. To fill the system, open
the tap on the filling loop below the boiler. Press the Bar button to read the
system pressure. When the pressure is between 1 and 2 bar, close the tap.
Note : If there is persistent loss of system pressure, you must consult your Installer/Service Provider.
HEATING SAFETY VALVE
CAUTION: A safety valve with a discharge pipe is fitted to this boiler.
The valve MUST NOT BE TOUCHED except by a competent person. If the valve discharges at any time, switch
the boiler off and isolate it from the electrical supply. Contact your Installer/Service Provider.
SERVICING / MAINTENANCE
To ensure the continued efficient and safe operation of the boiler, it is recommended that it is checked and
serviced at regular intervals. The frequency of servicing will depend upon the installation conditions and usage
but, in general, once a year should be enough.
CLEANING
The boiler casing can be cleaned with a damp cloth followed by a dry cloth to polish.
Do not use abrasive or solvent cleaners.
BOILER CASING
CAUTION: Do not remove or adjust the casing in any way, as incorrect fitting may result in faulty operation.
If in doubt, contact your Installer/Service Provider.
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