34
TDVN Series Direct Vent Gas Fireplace
20007636
T203
Air shutter
12/12/03 djt
T203
Opening
“A”
Fig. 51
Air shutter opening.
Normal and High
Direct Vent Units - Inputs - Orifice Size - Altitude
BTU/Hr
BTU/Hr
Manifold Pressure Orifice 0 - 2000ft. Altitude in USA
Model
Min. Input
Max. Input
@ Max.
Orifice 0-4500ft Altitude in Canada
33TDVN
12,500
18,000
3.5”w.c.
.079”
33TDVP
12,500
18,000
10.0” w.c.
#56 DMS
36TDVN
13,000
20,000
3.5” w.c.
#45 DMS
36TDVP
14,500
20,000
10.0” w.c.
#55 DMS
39TDVN
15,000
22,000
3.5” w.c.
#43 DMS
39TDVP
16,500
22,000
10.0” w.c.
#54 DMS
Conversion Kits
Change Natural Change Propane
Model
to Propane
to Natural
33TDVN
33DVCKP
--
33TDVP
--
36TDVN
36DVCKP
--
36TDVP
--
39TDVN
39DVCKP
--
39TDVP
--
IMPORTANT: Always check for gas leaks with a
soap and water solution. Do not use open flame for
leak testing.
Air Shutter Settings
Opening
Model
“A”
33TDVN
1/32” (1.0 mm)
33TDVP
3/8” (9.5mm)
36TDVN
1/32” (1.0 mm)
36TDVP
3/8” (9.5mm)
39TDVN
1/32” (1.0 mm)
39TDVP
3/8” (9.5mm)
NOTE:
These are minimum settings. Air shutter open-
ings may be increased to prevent flame sooting.