Technical data

STRATA1

19.6 Service button/setting heating output. (contd)

19.7 Output for charging

hot water

20. Setting the boiler

to work

c) Setting minimum pump speed.

If it is required to limit the minimum pump speed of the in built boiler pumps then this may be done

by the following:

i) Press “red” reset button once.

Press service button once.

Press “red” reset button three times.

Screen display will show “Mn pum”???<??%

ii) To change minimum pump speed then follow procedure as in a) ii)-iv) above.

d) Setting minimum mixed flow temperature.

Only applicable where MR03 underfloor zone controller is installed.

If it is required to set a minimum mixed flow temperature at the outlet of underfloor zone VT value,

then this may be done by the following:

i) Press “red” reset button once.

Press service button once.

Press “red” reset button four times.

ii) To set minimum mixed flow temperature follow procedure as in a) ii)-iv) above.

e) Clearing “service” message from screen display.

After a default of 365 days of an electrical supply being applied to the boiler, a message to the user is

shown on the screen displaying “service”, reminding the user that the appliance should now be

serviced.

Following a service visit by the specialist engineer, the service message may be cancelled by pressing

and holding the service button for approximately 10 seconds.

There is no adjustment necessary or possible, as the boiler controls are self learning and will self adapt the

optimum output to hot water according to the heat transfer capabilities of the connected hot water

calorifier or cylinder.

1. To fit casing to boiler ensure hooks on top rear edge of boiler case engage properly into rear chassis

assembly.

Latch bottom case fixings and tighten central locking screw.

2. Turn ON on/off switch and set any external controls to auto operation.

3. Set ECO/ECO plus switch to ECO position for systems without additional heating circuit pump

OR Set ECO/ECO plus switch to ECO plus position for systems with a local low velocity header and

additional heating circuit pump.

4. With boiler operating (burners on) press “Test” button on boiler control panel to test overheat

controls in the boiler. The boiler must shut-down and then re-ignite.