Checking The Static Pressure And Supply Pressure - Viessmann MatriX Service Instructions For Contractors

Reducing the operational output (if required)
C
D
E
F
Fig. 3
Status Service
C
S
E
D
Fig. 4

Checking the static pressure and supply pressure

Static pressure
A
Fig. 5
R
G
F
Commissioning, inspection, maintenance
(cont.)
1. Press S
E for longer than 2 s.
flashes.
2. Press until "6" is shown on display
F
Service.
3. Press S . "6" is shown on display
E
tus.
4. Press S . "1" is shown on display
E
tus and the current value for the maximum heating
output in % is shown under Service.
5. Press or for the required maximum heat-
F D
ing output.
6. Press S to confirm. If applied successfully, "1"
E
will be shown on display
"0" will appear.
7. Press S E to switch to the operating display.
8. Press R .
G
A system restart is initiated.
1. Close the gas shut-off valve.
2. Undo the screw in test connector
remove.
3. Connect the pressure tester at test connector
4. Open the gas shut-off valve.
5. Check the static pressure (max. 50 mbar).
6. Record the actual value in the report (on
page 39).
under
C
under Sta-
C
under Sta-
C
under Service; if not,
C
, but do not
A
A .
9