Schwank STW-JZ Owner's Manual page 51

HIGH ALTITUDE INSTALLATION -
Altitude Restrictions this Model: - also see notes previous page
1. Do not install the 45,000 Btuh and 100,000 Btuh models at altitudes greater than 4,500 ft
2. Do not install other input models at altitudes greater than 8,000 ft
3. Restrict the length of any model to the shortest tube length at altitudes greater than 4,500 ft
FOR USE AT ALTITUDES ABOVE (FEET)
Gas Orifice Drill Size / Part#
INPUT
Supplied
(BTUH)
0 - 2000 2000
29 DMS
45,000 NG
JS-0729-DM
46 DMS
45,000 LPG
JS-0746-DM
25 DMS
60,000 NG
JS-0725-DM
42 DMS
60,000 LPG
JS-0742-DM
18 DMS
80,000 NG
JS-0718-DM
36 DMS
80,000 LPG
JS-0736-DM
5.2 mm
110,000 NG
JS-0752-MM
31 DMS
110,000 LPG
JS-0731-DM
5.8 mm
130,000 NG
JS-0758-MM
29 DMS
130,000 LPG
JS-0729-DM
0.25 in
150,000 NG
JS-0725-IN
0.14 in
150,000 LPG
JS-0714-IN
6.7 mm
175,000 NG
JS-0767-MM
24 DMS
175,000 LPG
JS-0724-DM
0.30 in
200,000 NG
JS-0730-IN
19 DMS
200,000 LPG
JS-0719-DM
ORIFICE CHART - ALTITUDE CONVERSION
USA Only
3000 4000
29 DMS 30DMS 30DMS
JS-0729-DM JS-0730-DM JS-0730-DM
46 DMS 46 DMS 48 DMS
JS-0746-DM JS-0746-DM JS-0748-DM
26 DMS 27 DMS 27 DMS
JS-0726-DM JS-0727-DM JS-0727-DM
42 DMS 43 DMS 43 DMS
JS-0742-DM JS-0743-DM JS-0743-DM
19 DMS 19 DMS 20,000 DMS
JS-0719-DM JS-0719-DM JS-0720-DM
38 DMS 39 DMS 39 DMS
JS-0738-DM JS-0739-DM JS-0739-DM
5.1 mm 5.0 mm 9 DMS
JS-0751-MM JS-0750-MM JS-0709-DM
32 DMS 32 DMS 32 DMS
JS-0732-DM JS-0732-DM JS-0732-DM
5.7 mm 5.6 mm 5.5 mm
JS-0757-MM JS-0756-MM JS-0755-MM
29 DMS 30 DMS 30 DMS
JS-0729-DM JS-0730-DM JS-0730-DM
6.4 mm 6.3 mm 6.2 mm
JS-0764-MM JS-0763-MM JS-0762-MM
3.5 mm 29 DMS 3.4 mm
JS-0735-MM JS-0729-DM JS-0734-MM
6.6 mm 6.6 mm 6.5 mm
JS-0766-MM JS-0766-MM JS-0765-MM
25 DMS 26 DMS 27 DMS
JS-0725-DM JS-0726-DM JS-0727-DM
7.4 mm 7.3 mm 7.3 mm
JS-0774-MM JS-0773-MM JS-0773-MM
20 DMS 20 DMS 21 DMS
JS-0720-DM JS-0720-DM JS-0721-DM
51
USA & CANADA
4500 5500 6500
45,000 Btuh not for use
above 4,500 feet
28 DMS 28 DMS 29 DMS
JS-0728-DM JS-0728-DM JS-0729-DM
43 DMS 44 DMS 44 DMS
JS-0743-DM JS-0744-DM JS-0744-DM
21 DMS 22 DMS 23 DMS
JS-0721-DM JS-0722-DM JS-0723-DM
40 DMS 41 DMS 42 DMS
JS-0740-DM JS-0741-DM JS-0742-DM
11 DMS 0.19 i N 13 DMS
JS-0711-DM JS-0719-IN JS-0713-DM
33 DMS 34 DMS 35 DMS
JS-0733-DM JS-0734-DM JS-0735-DM
3 DMS 4 DMS 5 DMS
JS-0703-DM JS-0704-DM JS-0705-DM
30 DMS 1/8" 31 DMS
JS-0730-DM JS-0713-IN JS-0731-DM
6.1 mm 6.0 mm 5.9 mm
JS-0761-MM JS-0760-MM JS-0759-MM
3.3 MM 3.3 MM 30 dms
JS-0733-MM JS-0733-MM JS-0730-DM
6.5 mm 6.4 mm 6.3 mm
JS-0765-MM JS-0764-MM JS-0763-MM
28 DMS 28 DMS 29 DMS
JS-0728-DM JS-0728-DM JS-0729-DM
7.2 mm 0.28 in 7.1 mm
JS-0772-MM JS-0728-IN JS-0771-MM
22 DMS 23 DMS 25 DMS
JS-0722-DM JS-0723-DM JS-0725-DM
7500
29 DMS
JS-0729-DM
45 DMS
JS-0745-DM
24 DMS
JS-0724-DM
42 DMS
JS-0742-DM
14 DMS
JS-0714-DM
36 DMS
JS-0736-DM
0.20 in
JS-0720-IN
31 DMS
JS-0731-DM
5.8 mm
JS-0758-MM
0.13 in
JS-0713-IN
6.3 mm
JS-0763-MM
29 DMS
JS-0729-DM
7.0 mm
JS-0770-MM
26 DMS
JS-0726-DM
STW-JZ / IW I&O Manual
IM101229
RL: 12B- BA
RD: AUG 2013