Operating Instructions and Installation Instructions

Page 42 / 56 00BNO9132-#

VARMAX TWIN - Installation, Use and Maintenance

Line No. Value

• Heating circuit 1 menu

Adjust the comfort setting

Comfort setting temperature (710) - - -

Adjust the curve slope

Heating curve slope (720) - - -

• Switch the heating regime to permanent comfort

VX210 diagram only:

• Domestic hot water menu

Adjust the comfort setting

Comfort setting (1610) - - -

• Activate the DHW mode

VX220 diagram only:

• Consumption circuit 1 menu

Set the output setting to be taken into

account if the consumption circuit is

requested

Cons request output T° (1859) - - -

On generator No. 2

• Conﬁ gure the isolating valve and its end of run: Conﬁ guration menu

Valve command

Relay output QX3 (5892) K37 exhaust ﬂ ap

End of run

Input H5 (5977) Exhaust ﬂ ap info return

• Conﬁ gure as generator No. 2: LPB network menu

Appliance number

Appliance address (6600) 2

Segment number

Segment address (6601) 0

Adjust the bus supply

Bus supply function (6604) Automatic

Adjust the clock rate

Clock operation (6640) Slave without

adjustment

• Make sure that the communication cable is fully connected between the 2 generators (

respect

the polarity).

• Switch off and back on again generator 2. If the communication has been correctly established,

Diagrams: VX210 / VX220

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