Installing The Breather Line; Tightness Test; Setting The Low-Fire Rate - Honeywell Kromschröder GIK Series Operating Instructions Manual

5 InstALLInG tHe BReAtHeR LIne

GIKH
➔ When fitting the unit into a gas line, an Rp 1/2
breather line must be connected, which must be
routed to a safe area. A breather line is not neces-
sary if the unit is installed in the air line.

6 tIGHtness test

➔ Check the tightness again, even after a function
check.
1 Block the pipeline at the outlet.
2 Close the valve or close off the outlet with a blank-
ing plate.
3 Slowly pressurize the regulator.
GIK..R
max. 300 mbar
a
max. 150 mbar
c
GIK..F
max. 300 mbar
a
max. 150 mbar
c

7 settInG tHe LoW-FIRe RAte

Set the high-fire rate using restricting orifices or ad-
justment elements on the burner.
1 Switch on the burner.
Rp 1/2
b
d
b
d
➔ The cover cap must be removed from the GIK..R
and GIKH for setting the low-fire rate.
2
GIK
At low-fire rate: control pressure at least 0.5 mbar.
Factory setting: p
d
p
sa
3 mm
GIK..R
p
0
GIK..F
GIKH
At low-fire rate: differential control pressure at least
0.2 mbar.
Factory setting: p
d
p
d
0
-
+
0
3 Fit the cover cap again once the settings have been
made successfully on the GIK..R and GIKH.
EN-4
= p
sa
p
d
p = p ± 3 mbar
d sa
sa
p = p
d sa
6 mm
= approx. 4 x Δp
sa
3 mm
p
d
0
± 2 mbar