- 6 -
FLOW AND SERVICE PRESSURE CONTROL
- Combustion product evacuation outlet back pres-
sure: 0 mmCE.
-
P
o
/
P_OUT
= Gas pressure at the gas valve re-
gulator outlet.
-
PL
= Servo-system air pressure (fan - gas unit).
- The Po / P_OUT and PL values may be more or
less high according to whether back pressure is
greater or smaller.
1.2 - Setting table
Models
THI 2-17 B120
Natural gas burner type
X07.36235
Heat output
30/50 °C
60/80 °C
kW
kW
2,6/18,3
2,3/16,9
Heat input
kW
2,5/17,4
∅
Gas reducer
Gaz Nat H
mm
4,20
∅
Air reducer
Gaz Nat H
mm
18,2
Gas flow (15°C, 1013 mbar)
Gaz Nat H
m
3
/h
0,26/1,84
Gas pressure P
o
/ P_OUT
(gas unit to burner)
Gaz Nat H
mbar
0,3/6,5
Servo-system air pressure (PL)
Pa
40/810
CO
2
Emission
Gaz Nat H
%
8,0-8,5/9,0-9,5
CO
Emission
Gaz Nat H
ppm
0/20
Summary of Contents for THI 2-17 B 120
Page 19: ... 19 V PARTS LISTS THI 2 17 B 120 ...
Page 23: ... 23 PARTS LISTS CONTROL BOX ...
