Checks During And After Initial Start-Up - Beretta POWER MAX 50 P DEP Installation And Operation Manual

3 3 Checks during and after initial
start-up
When the appliance it started, it must be checked by stop-
ping and then restarting the thermal module in the following
way:
- Set the operating mode of the thermal module in
heating to 0 (Par. 2001) e and close the RT input to
generate a heat request
- If required, increase the set-point value (CH → Heat-
ing Set-point)
- 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 full stop
by setting the system's master switch to "Off".
If all conditions are met, power the thermal module by set-
ting the system's and the appliance's master switches to
"On" and test combustion products (see Paragraph "Adjust-
ments").
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) upstream of the gas valve and connect the pres-
sure gauge
°C
- Power the thermal module by setting the system's
and the appliance's master switches to "On".
Set Par. 0200 on "Hi" by using "PROG +" and "PROG -" and
press "MENU/RESET" to confirm.
0 2 0 0
DESCRIPTION
Wobbe index
Nominal supply pressure
After the checks:
- select "OFF" using "PROG +" and "PROG -" and press
"MENU/RESET" to confirm.
- Disconnect the pressure gauge and tighten again the
pressure test point screw (1) upstream from the gas
valve.
0 2 0 0
- Fulfil the operations, place back the front panel and
lock the locking screws.
G20 G30 G31
45,7 80,6 70,7 MJ/m
28-
20 37 mbar
30
43
3