Owner`s manual
3 
STW-JZ / IW I&O Manual 
IM101229 
RL: 12A- BA 
RD: DEC 2010 
TABLE OF CONTENTS 
 TOPIC   .........PAGE 
INSTALLATION   
IMPORTANT INFORMATION - READ FIRST 
  APPLICATION..............................................4 
  HEATER EXPANSION ...........................5, 31 
  GAS CONNECTION ...............................5, 31 
   See also “Flexible Gas Connection”......31 
  VENTING.................................................5, 26 
  START UP ‘SMOKE’ ....................................5 
  CLEARANCE TO COMBUSTIBLES............6 
    Clearances Figure & Table ........................7 
  STACKING HEIGHT SIGN . .....................8 
1. LABOR REQUIREMENTS ...............................9 
2.  INSTALLATION IN AIRCRAFT HANGARS .....9 
3.  INSTALLATION IN COMMERCIAL 
 GARAGES........................................................9 
4.  INSTALLATIONS OTHER THAN 
 SPACE HEATING.............................................9 
5. PRE-INSTALLATION SURVEY......................10 
6. MOUNTING CLEARANCES...........................11 
  SERVICE CLEARANCE.................................11 
 HEATER PLACEMENT GUIDELINES ...........12 
7.  SYSTEMS WITH 90° & 180° ELBOWS . 12 - 16 
  ELBOW KIT DIMENSIONS .………..13, 50 
8. SUSPENDING THE SYSTEM........................17 
8A SEISMIC RESTRAINT....................................20 
8B HIGH WIND RESTRAINT...............................20 
9.  BURNER & TUBE INSTALLATION................21 
  SPECIAL COUPLING -
 100, 175 & 200 Mbh..24 
10. REFLECTOR INSTALLATION ...................... 25
11. FLUE VENTING............................................. 27 
12. COMBUSTION AIR DUCT ............................ 30 
  TOPIC   ……...PAGE 
13. GAS SUPPLY ..................................................32 
 HEATER EXPANSION.....................................32 
 FLEXIBLE GAS CONNECTION ............... 32 - 34 
14. ELECTRICAL AND THERMOSTAT.................35 
15. HIGH ALTITUDE INSTALLATION ...................35 
16. LIGHTING INSTRUCTIONS  ...........................35 
17. RECOMMENDED MAINTENANCE.................35 
18. WIRING DIAGRAM ..........................................36 
19. WIRING DIAGRAM MULTIPLE HEATERS 
PER THERMOSTAT.....................................37 
20. SEQUENCE OF OPERATION.........................38 
21. TROUBLESHOOTING GUIDE.........................39 
22. SPARK IGNITION CIRCUIT ............................41 
 SPARK IGNITER SET UP...............................41 
24. START– UP / COMMISSIONING SHEET .......42 
PRODUCT DIMENSIONS & DATA 
25. HEATER DIMENSIONS / WEIGHTS ………43 
  INSTALLATION DIMENSIONS  ………. ..44 
26. BURNER / TUBE KIT ASSEMBLY CHARTS 
  ALUMINIZED STEEL TUBE KITS …............46 
  STAINLESS STEEL TUBE KITS …..............47 
27. GAS CONVERSION OF BURNER...................48 
28. TURBULATORS...............................................49 
29. HIGH ALTITUDE & ORIFICE CHART...... 49 - 50 
30. OPTIONAL ACCESSORIES..................... 51 - 53 
31. BURNER PARTS LIST ............................ 54 - 55 
 TUBE SYSTEM PARTS LIST...........................56 
 WARRANTY STATEMENT ............BACK PAGE
STW-JZ and IW SERIES 
 GAS FIRED INFRARED 
LOW INTENSITY TUBE TYPE 










