Page 39 from 76 6 720 814 719
SM FP_Australia 2017/04 EN
Technician Level
Comments
The value measured when in
P0 should be 1.2 mbar
Range of value in control unit is from 0
to 40
Spare part default setting is 20
Table 21 – P0
The P1 mode can be accessed in the service mode, depending on the adjustment and/or
confirmation need. Check parameters according gas and model type and check results
according to the manual – ensure constant result (P
burner
– P
box
= P
L1
– P
A1
)
To keep the appliance in P1 (maximum power adjustment), is important to assure a minimum
water flow, otherwise the appliance will jump automatically to P2 (minimum power).
GWH 12: Flow > 4 l/min
GWH 16 / 20: Flow > 6 l/min
GWH 26: Flow > 8 l/min
Table 22 – Minimum water flow needed to keep P1
Maximum Power adjustment
Technician Level
Comments
Maximum power burner
adjustment after repairs /
maintenance / gas
conversions
P1 contains the fan speed setting (A1)
and gas power (L1) at maximum power
(depends on gas type / model)
When P1 is visible, press “P” and enter in the 2
nd
level accessing “E”
for enter and/or exit P1
Maximum Input Power
Not Used (by default will display 20)
