Adjustment Procedures - Lochinvar EcoForce EF80 Installation, Commissioning, User And Maintenance Instructions

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