Adjustments - Riello Condexa PRO Series Installation, Technical And Maintenance Manual

3.5

Adjustments

The thermal module Condexa PRO is supplied for operation with
G20 (methane gas), as indicated by the type plate, and has al-
ready been factory-calibrated by the manufacturer.
However, if it is necessary to repeat the adjustments, for exam-
ple after non-scheduled maintenance, replacing the gas valve
or after transformation from G20 gas to G30-G31 gas, or vice ver-
sa, proceed as described below.
9
Adjustments to maximum and minimum power must be
performed in the indicated sequence and only by Technical
Assistance Service.
Before making the regulation:
− remove the locking screw
− pull the front panel outwards and then to the top to de-
couple it from points A.
CO2 ADJUSTMENT AT MAXIMUM POWER
− Press the MENU key, select "System test" and press ● to
confirm.
Menu
" "
Domestic Hot Water (DHW)
"
Information
" "
Settings
" "
System Test
" "
− select "Max. power" with the ▲ / ▼ keys and press ● to
confirm. The fan starts turning at its maximum speed
(which can vary based on the model).
System Test
" "
Test State
" "
Fan Speed
" "
Ionisation
" "
A
A
"
High Power
"
0 rpm
" "
0.0 μA
− the appliance will operate at maximum power.
− unscrew the cap (1) and insert the combustion analyser
sensor
− set the CO2 with a screwdriver on the regulation screw (2)
placed on the gas valve, thus reaching the value reported
on the table.
CO2% maximum power
Condexa PRO 35 P
Condexa PRO 50 P
Condexa PRO 57 P
Condexa PRO 70 P
Condexa PRO 90
Condexa PRO 100
Condexa PRO 115
Condexa PRO 135
CO2 ADJUSTMENT AT MINIMUM POWER
System Test
" "
Test State
" "
Fan Speed
" "
Ionisation
" "
− the appliance will operate at minimum power.
− Adjust the CO2 using a screwdriver on the adjustment
screw (3) on the fan unit, so as to obtain a value listed
in the table.
CO2% minimum power
Condexa PRO 35 P
Condexa PRO 50 P
Condexa PRO 57 P
Condexa PRO 70 P
Condexa PRO 90
Condexa PRO 100
Condexa PRO 115
Condexa PRO 135
Versions Condexa PRO 35 P - Condexa PRO 70 P
"
61
COMMISSIONING AND MAINTENANCE
Gas type
G20 - G25
9 - 9
9 - 9
9 - 9
9 - 9
9 - 9
9 - 9
9 - 9
9 - 9
Gas type
G20 - G25
9 - 9
9 - 9
9 - 9
9 - 9
9 - 9
9 - 9
9 - 9
9 - 9
+
CO
CO
2
2
1
3
2
3
2
G30 - G31
10,4 - 9,9
10,4 - 9,9
10,4 - 10,4
10,4 - 10,4
10,4 - 10,4
10,4 - 10,4
10,4 - 10,4
10,4 - 10,4
Low Power
" "
0 rpm
" "
0.0 μA
G30 - G31
10,4 - 9,9
10,4 - 9,9
10,4 - 10,4
10,4 - 10,4
10,4 - 10,4
10,4 - 10,4
10,4 - 10,4
10,4 - 10,4
+