Riello RS 280, Инструкции по установке, использованию и обслуживанию

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Installation
27
20122392
GB
4.12.1 Supply cables and external connections
passage
If the cover is still present, remove it and proceed with the electrical
wiring.
All the cables to be connected to the burner are fed through the
grommets. See figure on the right.
The use of the cable grommets can take various forms.
By way of example we indicate the following mode (according to
UL795
):
1 Three phase power supply with 3/4 inch cable grommet
2 Available: single phase power supply and other devices with
1/2 inch cable grommet
3 Available: consents/safety, minimum gas pressure switch, gas
valves and other devices with 3/8 inch cable grommet
4 Available: hole for M16
5 Available for ground terminals
A Fan motor
B Maximum gas pressure switch
C UV sensor
D Air
servomotor
E Fuel servomotor
F Air pressure switch
G Motor earth cable
4.13 Thermal relay calibration
4.13.1 Electronic thermal relay

To reset, in the case of an intervention of the thermal relay,
press the button “
RESET
” (Fig. 22).
There are two different solution to test the electronic thermal relay:

Device test (Fig. 23)
Push slowly the button in the window with a little screwdriver.

Contact test NC (95-96) and NO (97-98)(Fig. 24)
Insert in the window a little screwdriver and move it in the
sense of the arrow.
WARNING
The control panel is in compliance with UL508A.
After carrying out maintenance, cleaning or check-
ing operations, reassemble the cover and all the
safety and protection devices of the burner.
5
B
C
A
5
G
1
2
6
5
F
3
5
4
E
D
4
5
Fig. 21
20125698
Fig. 22
S8109
Fig. 23
S8111
S8111
Fig. 24
S8110