Checks During And After Initial Start-Up - Riello Condexa PRO Series Installation, Technical And Maintenance Manual

3.2

Checks during and after initial start-up

When the appliance it started, it must be checked by stopping
and then restarting the thermal module in the following way:
− Set the operating mode of the thermal module in heating
to 0 (Par. 1) e and close the RT input to generate a heat
request
− If required, increase the set-point value (CH → Heating
Set-point)
Menu
" "
Central Heating (CH)
" "
Domestic Hot Water (DHW)
"
Information
" "
Settings
" "
− Make sure that all the pumps in the system are free and
rotate in the right direction
− Check the full stop of the thermal module and the heat
demand by opening the "RT" contact (OFF).
− Check that the thermal module has come to a complete
stop by setting the main switch of the equipment and
the main switch of the system to "off".
If all conditions are met, power the thermal module by setting
the system's and the appliance's master switches to "On" and
test combustion products (see Paragraph "Adjustments").
SUPPLY GAS PRESSURE CHECK
− Turn the main system switch "off"
− Remove the locking screws and the panel's front side
− Loosen by about two turns the pressure inlet screw (1) up-
stream of the gas valve and connect the pressure gauge
"
− Power the thermal module by setting the system's and
the appliance's master switches to "On".
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
" "
DESCRIPTION
Wobbe index
Nominal supply pressure
After the checks:
− select "OFF" with the ▲ / ▼ keys and press ● to confirm.
− Disconnect the pressure gauge and tighten again the
pressure test point screw (1) upstream from the gas valve.
System Test
" "
Test State
" "
Fan Speed
" "
Ionisation
" "
− Fulfil the operations, place back the front panel and lock
the locking screws.
57
COMMISSIONING AND MAINTENANCE
"
High Power
" "
0 rpm
" "
0.0 μA
G20 G30 G31
45,7 80,6 70,7 MJ/m
20 28-30 37 mbar
Off
" "
0 rpm
" "
0.0 μA
3