Operating Position; Boiler Plate; Blast Tube Length - Riello PRESS 140 P/N Installation, Use And Maintenance Instructions

6.4

Operating position

 The burner is designed to work only in
positions 1 and 4 (Fig. 9).
 Installation 1 is preferable, as it is the only
one that allows the maintenance operations
ATTENTION
as described in this manual.
 The installation 4 permits the operation but
makes the maintenance and inspection
operations of the combustion head more
difficult.
 Any other position could compromise the
correct operation of the appliance.
 The installation 5 is prohibited for safety
reasons.
DANGER
6.5

Boiler plate

Pierce the closing plate of the combustion chamber, as in
(Fig. 10). The position of the threaded holes can be marked using
the thermal insulation screen supplied with the burner.
For the combustion head protrusion follow the indications
provided by the boiler manufacturer.
MODEL L
PRESS 140 P/N 260
PRESS 200 P/N 260
PRESS 300 P/N -
PRESS 450 P/N -
6.6

Blast tube length

The length of the blast tube must be selected according to the
indications provided by the manufacturer of the boiler, and in any
case it must be greater than the thickness of the boiler door
complete with its fettling.
MODEL
PRESS 140 P/N TC
PRESS 200 P/N TC
PRESS 300 P/N TC
PRESS 450 P/N TC
PRESS 140 P/N TL
PRESS 200 P/N TL
PRESS 300 P/N TL
PRESS 450 P/N TL
Installation
M N
230 M 14 225
- M 16 255
260 M 18 300
310 M 20 350
Tab. F
MIN MAX
180 300
200 340
200 350
250 400
290 410
310 450
330 480
380 530
Tab. G
1
20172679
P
17 GB
2 3 4 5
Fig. 9
S9890
Fig. 10
20172681
MIN
MAX
Fig. 11
20170392