27
TO TEST VALVE PRESSURES:
The pressure taps are located on the front side of the valve (see Figure 54 & 55).
1. Remove the door (refer to
M
AINTENANCE
AND
S
ERVICE
- G
LASS
D
OOR
R
EMOVAL
)
, log set and ember
material, brick panels, burner tray, and the valve cover to access the valve (refer to
M
AINTENANCE
A
ND
S
ERVICE
- R
EMOVING
V
ALVE
C
OVER
).
2. Turn set screw one (1) turn counter-clockwise to loosen.
3. Place
5
/
16
in (8 mm) I.D. hose over the pressure taps.
4. Check pressures using a manometer.
5. When finished, release pressure, remove hose and tighten set screw.
6. Re-install the valve cover, burner tray, brick panels (refer to
S
ECONDARY
I
NSTALLATION
- I
NSTALLING
THE
B
RICK
P
ANELS
), log set and ember material (refer to
S
ECONDARY
I
NSTALLATION
- L
OG
S
ET
AND
E
MBER
I
NSTALLATION
) and the glass door.
Always check for gas leaks with a soap and water solution after completing the required
pressure test.
Table 6: Orifice and Pressure Information.
Main Burner
Natural Gas
Propane Gas
Orifice:
#42 DMS
#54 DMS
Manifold Press:
4.0 W.C. (0.99 KPa)
10.0 W.C. (2.47 KPa)
Min. Manifold Press:
0.2 W.C. (0.05 KPa)
2.3 W.C. (0.57 KPa)
Max. Supply Press:
7.0 W.C. (1.74 KPa)
13.0 W.C. (3.28 KPa)
Min. Supply Press:
5.0 W.C. (1.24 KPa)
12.0 W.C. (2.96 KPa)
Max. Input:
26,600 BTU/hr
(7.79 KW)
21,300 BTU/hr
(6.24 KW)
Min. Input:
6,500 BTU/hr
(1.9 KW)
11,400 BTU/hr
(3.34 KW)
NEVER USE AN OPEN FLAME FOR LEAK TESTING.
Figure 54: Labeled Gas Valve.
Figure 55: Opening Inlet Pressure Tap on
Valve.
Initial Installation
QUALIFIED INSTALLERS ONLY