modulating valve setting

[psk]

helllooo every1,

im asking a bit daft question but i hope you can help me out here.

i was tring to gas rate a main 25 he boiler but it kept on modulating, how do we set these to service mode so we can gas rate them on full power? dont have MI
cheers guys.:rockon2:

 

[SimonJohns]

Run ho****er at max rate?


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[GrahamM]

Need bit more info on exact boiler model. Is it newer one with zero governor-Combi eco 25?

 

[psk]

simons, ive run it on full water mode but i know it modulates when the fan speed reduces

graham yes its the new combi eco 25he

thx

 

[GrahamM]

Well it is the same as a Promax HE then. All heating controls calling. Heating & water temp knobs fully off. Turn HW knob quarter turn twice quickly. CH knob now round fully clockwise. Take your G/R & FGA. Job done.

 

[psk]

thanks a great deal!

 

[REDSAW]

Well it is the same as a Promax HE then. All heating controls calling. Heating & water temp knobs fully off. Turn HW knob quarter turn twice quickly. CH knob now round fully clockwise. Take your G/R & FGA. Job done.

is that the same with the baxi solo then?.

 

[GrahamM]

is that the same with the baxi solo then?.

The Solo is just case of all controls calling for heat- take G/R, FGA....