96
A
DJUSTMENT
P
ROCEDURES
Procedures 1 and 2, referred to in the previous sections, are described here:
21.8.1
Procedure 1: adjust at maximum load
In case B (gas conversion or replacement of gas valve): consult § 0. Before starting procedure 1 below.
Carry out the next 4 steps:
1.
Press [SERVICE] button for about 3 seconds.
Display message
W A T R H T R : S e r v i c e
2 6 %
> > > 1 2 3 . 4 ° C ( 1 2 3 . 4 ° C )
Water heater is activated and operates at service mode at 26% (minimum).
2.
Press [▲] button until maximum load is reached:
Display message
W A T R H T R : S e r v i c e 1 0 0 %
> > > 1 2 3 . 4 ° C ( 1 2 3 . 4 ° C )
Water heater is activated and operates at service mode at 100% (maximum).
3.
Measure the CO
2
percentage at the flue gas outlet.
4.
By setting screw [2], adjust the gas valve to obtain the CO
2
value of table 1.
NOTICE: For the CD
+
120, 150 and 180 water heaters use only the RIGHT side gas valve for adjusting.
Decrease CO
2
percentage
Turn screw [2] right (clockwise)
Increase CO
2
percentage
Turn screw [2] left (counter clockwise)
The
service
operation
of
the
water
heater
will
be
active
for
40
minutes.
After this period the water heater will return to normal operation.
21.8.2
Procedure 2: adjust at minimum load
In case B (gas conversion or replacement of gas valve): consult
21.2
before starting procedure 2 below.
Carry out the next 3 steps:
1.
Press [▼] button until minimum load is reached.
Display message
W A T R H T R : S e r v i c e
2 6 %
> > > 1 2 3 . 4 ° C ( 1 2 3 . 4 ° C )
Water heater is activated and operates at service mode at 26% (minimum).
2.
Measure the CO
2
percentage at the flue gas outlet.
3.
By setting screw [1], adjust the gas valve to obtain the CO
2
value of table 1.
NOTICE: For the 120, 150 and 180 kW water heaters use only the RIGHT side gas valve for adjusting.
Decrease CO
2
percentage
Turn screw [1] left (counter clockwise)
Increase CO
2
percentage
Turn screw [1] right (clockwise)
The service operation of the water heater will be active for 40 minutes. After this period the water heater will return to normal operation.
CO2
[2]
CO2
[2]
CO2
[1]
CO2
[1]
Summary of Contents for EcoForce EF100
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