Operating Instructions and Installation Instructions

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VARMAX TWIN - Installation, Use and Maintenance
DHW optimisation:
• DHW tank menu
Adjust the over value
Output setting temperature over value (5020) 16 °C
VARMAX TWIN optimisation:
The Varmax Twin may be optimised as necessary using the parameters in the Flow menu. Refer to
the NAVISTEM B3000 boiler's controller manual for more details.
Diagrams: VX202 / VX212
page 9 / 9
Maintenance optimisation
A maintenance message may be generated that does not set the generator to fault. This maintenance
message may be displayed after the following 3 counters have expired:
• Time since last maintenance (or commissioning): set parameter 7044 to 12 months
(Maintenance / Special regime menu)
• Burner's operating hours (parameter 7040 - menu Maintenance / Special regime menu)
• Number of starts (parameter 7042 - menu Maintenance / Special regime menu)
These last 2 parameters are dependent on the boiler's hydraulic installation. We recommend
using at least parameter 7044 for annual maintenance.
Line No. Value
• Heating circuit 1 / 2 / 3 timer programme menu
Preselection
Preselection (500/520/540) - - -
Adjust the timer programming
On / off phases (501...506)
(521...526)
(541...546)
- - -
• Heating circuit 1 / 2 / 3 holiday menu
Preselection
Preselection (641/651/661) - - -
Adjust the timer programming
On / off phases (642--643)
(652-653)
(662-663)
- - -
• Switch the heating regime to automatic
Auto