Edition: 02 / 2015
Page 43 / 56
VARMAX TWIN -
Installation, Use and Maintenance
• Inputs/outputs test
menu
Check the outputs
Alarm relay
Relay test (7700)
Relay output QX1
DHW pump Q3
(VX210 diagram)
Relay test (7700)
Relay output QX2
Constant circuit pump Q15
(VX220 diagram)
Relay test (7700)
Relay output QX2
Heating circuit 3-channel valve opening
Relay test (7700)
Relay output QX21
module 1
Heating circuit 3-channel valve closure
Relay test (7700)
Relay output QX22
module 1
Heating circuit pump
Relay test (7700)
Relay output QX23
module 1
Reset the outputs
Relay test (7700)
No test
Check the sensor values
External sensor B9
External T° B9 (7730)
in °C
DHW sensor B3
DHW temperature B3/B38 (7750)
in °C
B1 fl ow sensor
Temperature sensor BX21 module 1 (7830)
in °C
• Confi guration
menu
Check the hydraulic diagram
Generator 1 inspection No. (6212)
14
Generator 2 inspection No. (6213)
0
DHW information (6215)
4
(VX210 diagram)
0
(VX220 diagram)
Information about heating circuits 3, 2 and 1 (6217)
3
Diagrams: VX210 / VX220
page 6 / 8
the clock is updated correctly.
E. ELECTRICAL AND HYDRAULIC VALIDATION
On generator No. 1
Line No.
Value
• Flow diagnostic
menu
Validate the presence of all the generators
Gener 1 status (8100)
Released / not
released
Gener 2 status (8101)
Released / not
released
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Summary of Contents for Varmax Twin
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