Model STW-JZ (-JZ2) & Model IW (-2) CAR WASH & HARSH ENVIRONMENT LOW INTENSITY TUBE TYPE INFRA RED HEATERS INSTALLATION / OWNER’S MANUAL WARNING Improper installation, adjustment, alteration, service or maintenance can cause property damage, injury or death. Read the installation and operating and maintenance instructions thoroughly before installing or servicing this equipment. SAFETY ALERT: This heater must be installed and serviced only by a trained gas service technician.
NOTICE: This manual is current for this product. Occasional revision of the product Certification Standard may require changes to the product and/or this manual. This publication, or parts thereof, may not be reproduced in any form, without prior written consent from The Manufacturer. Unauthorized use or distribution of this publication is strictly prohibited.
STW-JZ and IW SERIES GAS FIRED INFRARED LOW INTENSITY TUBE TYPE TABLE OF CONTENTS TOPIC .........PAGE TOPIC ……...PAGE 13. GAS SUPPLY ..................................................32 INSTALLATION HEATER EXPANSION.....................................32 IMPORTANT INFORMATION - READ FIRST FLEXIBLE GAS CONNECTION ............... 32 - 34 APPLICATION ..............................................4 14. ELECTRICAL AND THERMOSTAT.................35 HEATER EXPANSION ...........................
WARNING Improper installation, adjustment, alteration, service or maintenance can cause property damage, injury or death. Read and understand this installation and operation manual thoroughly prior to assembly, installation, operation or service to this appliance. This heater must be installed and serviced only by a trained gas service technician. Do not store or use gasoline or other flammable vapours and liquids in the vicinity of this or any other gas fired appliance.
WARNING Heater Expansion It is a normal condition that during heat-up and cool-down a tube heater will expand and contract. Allowances for heater expansion must be made in the gas connection, venting and combustion air ducting. Improper installation, alteration, or adjustment can result in WARNING Gas Connection Improper installation, connection, or adjustment can result in property damage, toxic gases, asphyxiation, injury or death.
WARNING Clearance to combustibles Location of flammable or explosive objects, liquids or vapors close to the heater may cause fire or explosion and result in property damage, injury or death. Do not use, store or locate flammable or explosive objects, liquids or vapors in proximity of the heater. The clearance to combustible material represents the minimum distance that must be maintained between the outer heater surface and a nearby surface.
FIGURE 1 MINIMUM CLEARANCES TO COMBUSTIBLES* - refer to Table 1 for values NOTE: A ‘PEEL & STICK’ SIGN IS SUPPLIED: USE AN INDELIBLE MARKER TO ENTER VALUES ‘H’, ‘S’, ‘F’, & ‘B’ ON THE SIGN. POST THE SIGN ADJACENT TO THE HEATER THERMOSTAT OR IN A PROMINENT LOCATION. See next page for details.
ance which may degrade at lower temperatures are protected to prevent degradation. VENT END CLEARANCE: Clearances from the vent pipe are determined by local or national installation codes, but must not be less than 6 inches (15 cm). For ‘unvented’ installation, a minimum distance of 24 inches (61 cm) is required from the end of heater to a combustible surface.
1. LABOR REQUIRMENTS Two persons are required to safely install this equipment. Wear gloves and other required safety protection. 2. INSTALLATION IN COMMERCIAL AIRCRAFT HANGARS Low intensity radiant tube heaters are suitable for use in aircraft hangars when installed in accordance with the latest edition of the Standard for Aircraft Hangars, ANSI/NFPA No 409 in the USA, or the Canadian Natural Gas and Propane Installation Code, B149.1. A.
WARNING Improper installation, adjustment, alteration, service or maintenance can cause property damage, injury or death. Read and understand this installation and operation manual thoroughly prior to assembly, installation, operation or service to this appliance. This heater must be installed and serviced only by a trained gas service technician. Do not store or use gasoline or other flammable vapours and liquids in the vicinity of this or any other gas fired appliance.
6. MOUNTING CLEARANCES This heater must be mounted with at least the minimum clearances between the heater and combustibles as shown in FIG-1, TABLE 1, Page 7. It is the installer’s responsibility to ensure that building materials with a low heat tolerance which may degrade at lower temperatures are protected to prevent degradation.
TABLE 2: GUIDELINES FOR HEATER PLACEMENT DISTANCE – OUTSIDE WALL TO HEATER LONG AXIS (PARALLEL TO WALL) IN “FEET” MOUNTING HEIGHT ft (m) MAXIMUM DISTANCE BETWEEN HEATERS ft (m) STW-JZ / IW 200 18 – 25 (6 - 8) 50 (15) 17 – 25 (5 - 8) STW-JZ / IW 175 18 – 25 (6 - 8) 50 (15) 17 – 25 (5 - 8) STW-JZ / IW 155 16 – 21 (5 - 7) 45 (14) 15 – 20 (5 - 7) STW-JZ / IW 130 15 – 21 (5 - 7) 40 (12) 15 – 20 (5 - 7) STW-JZ / IW 110 13 – 19 (4 - 6) 35 (11) 13 – 18 (4 - 6) STW-JZ / IW 80 10 – 16 (3 - 5)
90° elbows (JS-0528-JZ) are shipped as a kit with one coupler, one reflector and one plate hanger. For a 180° elbow, order 2 x 90° kits that connect to create a 180°. An optional kit (JS0504-JZ) to angle mount a reflector adjacent to an elbow is also available and must be ordered separately.
INSTALLATION INSTRUCTIONS FOR 90° AND 180° ELBOW KITS When installing systems that incorporate a 90° or 180° elbow, assembly of the system is facilitated by first locating and installing the elbow assembly, then install the remainder of the tube/ reflector system working away from the elbow. SWAGED END 90° ELBOW KIT ASSEMBLY #1 Add the coupler to the 90° elbow over the swaged end of the elbow. FLOW DIRECTION #2 Slacken the coupler bolts. Slide the coupler over the elbow from the swaged end.
#6 After installation of the elbow assembly, fasten the corners of the reflector cover with the 2 screws provided. For 90° installation finish with step # 7 For 180° installation skip # 7 and proceed to step # 8 #7 Suspending the elbow kit in horizontal position prepared for tube installation in horizontal mode. #8 180° ELBOW KIT ASSEMBLY Add the second coupler to the 90° elbow kit to form 180° elbow kit Slacken the bolts and slide the coupler over the elbow at the swaged end.
#11/A Suspend with 3 chains in horizontal position and continue installing the tubes and reflectors to complete the system. #11/B When hanging a heater with a 180° elbow kit at 45° angle the vent run tubes must be on top, with the burner on the lower side. BURNER ON LOWER SIDE JS-0504-JZ REFLECTOR ANGLE ADAPTER -JZ SERIES 1. A reflector angle adapter can be installed on either side or both sides of an elbow, depending upon site requirements for angling of reflectors 5 2.
8. SUSPENDING THE SYSTEM - GENERAL Inadequate or improper suspension of the tube heater can result in collapse of the system, property damage, and personal injury or death. It is the installer’s responsibility to ensure that the hardware and structural supports from which the heater is suspended are sound and of adequate strength to support the weight and expansion forces of the heater. Consider that the heater will expand in length as much as 1/2 inch (12.
5) Please NOTE that each hanger has a ‘flat’ side and a ‘cavity’ side – FIGURE 6 a) Starting at the burner end of the heater: all hangers except the last plate hanger are oriented with the cavity side of the hanger facing toward the burner end b) The cavity side of only the vent end plate hanger faces the vent - FIGURE 6 Refer to Figures on next pages, then proceed to Section 9.
FIGURE 8 REFLECTOR STABILIZER s ual Eq pac g len g n lo ea Bend stabilizer tabs over reflector ‘edge’ to secure in place th FIGURE 9 PLATE HANGER/ELBOW INSTALLATION see section 7 4 4 6 3 2 6 5 1 5 3 2 90° Elbow Kit JS-0508-JZ 4. Webbed Hanger Flange mounts UNDER and fastens the next Reflector 5. 90° Tube Elbow 6. Tube/Elbow Coupler 1. Webbed-Hanger 2. Reflectors 3.
8-A. SEISMIC RESTRAINT - LATERAL AND LONGITUDINAL In areas prone to earthquake, or as specified on a project, install lateral and longitudinal seismic restraints as indicated in Figure 11. If the heater location can be impacted by wind (aircraft hangars, etc) refer to High Wind Restraint section 8-B. These restraint systems indicate suspension of and attachment to the heater.
9. BURNER AND TUBE INSTALLATION PRIOR TO PROCEEDING with the tube installation: “Suspending the System ” Read and understand Section 8 - SPECIAL NOTES: 1. STW-JZ/IW 175 & 200: Special Tube Coupling - Refer to Section 9.1, Fig 13 These firing rates have an unpainted alumatherm first tube with a flange (painted “white”), and an unpainted aluminized steel tube as the second tube; all subsequent tubes are painted steel 3.
7) NOTE: 175,000 & 200,000 Btuh Systems: Refer to Section 9.1, Fig 13 The second tube is unpainted aluminized steel for the 175,000 & 200,000 FOR ALL OTHER FIRING RATES: See FIG 11 below Slide the female end of the second tube over the swage of the first tube a) Ensure that the swage on the first tube is fully inserted into the second tube b) Adjust the hanger so that it is located on the second tube, approximately 2" (5 cm) from the end of the tube – in this location the hanger supports both tubes.
12) Mount the Burner to the first tube flange using the four nuts and bolts provided (FIG 12) a) Insert two bolts through top holes in burner flange b) Install gasket onto the two bolts to position it between the burner and tube flanges c) Align burner and tube flanges and secure the two bolts with nuts d) Install bottom bolts and nuts and snug to align the two flanges e) TIGHTEN THE BOLTS IN AN OPPOSITE CORNER SEQUENCE AND ENSURE THAT THE BURNER IS IN HORIZONTAL ALIGNMENT WITH THE TUBE 13) The ‘center of
9.1 SPECIAL COUPLING: 175,000 & 200,000 Btuh NOTE: The joint between the first and second tubes of the 175,000 & 200,000 heaters experience strong forces of expansion. Follow instructions below for Special Coupling of the first to second tube. TOOLS REQUIRED ¼” Drill Bit (supplied) Electric Drill SPECIAL COUPLER INSTALLATION 1. Slide the loosened tube coupler on to the first tube, past the swage 2. The second tube is supplied with a ¼” hole in the tube at the female end. 3.
10. FOCUS SHIELD REFLECTOR INSTALLATION The focus shield reflector system can be adjusted to either side up to 45° from horizontal. Note that for both horizontal and angle mounting, the tube must be level along its length. Improper mounting can result in overheating of controls and combustible materials. Use only noncombustible mounting hardware. FIGURE 14 MOUNTING FOCUS SHIELD REFLECTOR TO HANGER 1 Webbed Hanger Flange under Reflector 2 Screws to secure Reflector to Plate Hanger.
NOTE: Except for the vent end plate hanger, all hangers must be installed with the cavity side facing the burner end of the system - the cavity side of the vent end hanger must face the vent 1 1 FIGURE 16 REFLECTOR EXTENSIONS (OPTIONAL - IF REQUIRED ) Insert ‘S’ hook from top and rotate Reflector extensions may be installed one or both sides 10” 25 cm 1. Reflector extensions may be installed on one side or both sides of the reflector 2. Reflector extensions are 116” (295 cm) long 3.
WARNING 11. FLUE VENTING Inadequate venting of a heater may result in asphyxiation, carbon monoxide poisoning, injury or death. This heater may use a vent connection or indirect venting system to remove products of combustion from the space. Seal all vent connections with high temperature sealant. Venting must be in accordance with all local, state, provincial, and national codes (ANSI Z223.1/NFPA 54 in USA; B149.1 in Canada) and as indicated below in this manual.
heaters must be controlled by a single common thermostat or “ON/OFF” switch. A minimum 10 inch (25 cm) length of minimum 26 gauge single walled 4” (10 cm) diameter vent pipe is to be installed on the swaged end of the last tube before any Tee or Elbow is fitted. Seal all vent connections with high temperature sealant. Vent connections must be secured with three (3) #8 sheet metal screws uniformly spaced around the circumference of the vent pipe.
Use the approved 4" (10 cm) (JA-0528-XX) or 6" (15 cm) (JA-0529-XX) horizontal wall vent terminal or a high-wind termination cap approved by a recognized certification agency Install termination cap a minimum of 18 inches (45 cm) from the outside wall to the inside edge of terminal opening to alleviate back pressure caused by turbulent wind conditions (See Fig. 17).
VERTICAL VENT THROUGH THE ROOF: FIGURE 19 It is the sole responsibility of the installer to ad- Approved here to all current local codes and/or ANSI Cap Z223.1 / CSA.B149.1 latest editions for all venting requirements, and practices. Approved Use an approved ‘B-vent’ termination cap ‘B’ Vent as supplied by the manufacturer of the approved ‘B-vent’.
The air intake will not be located less than: Three feet above grade Twelve inches from flue vent terminal of any heater with input up to 100,000 Btu/hr. Three feet from flue vent terminal of any heater over 100,000 Btu/hr. Do not install filters on the combustion air intake. Ensure adequate clearance around the air intake to allow sufficient combustion air supply to the heater.
13. GAS SUPPLY - HEATER EXPANSION - FLEXIBLE GAS CONNECTION The gas supply must be installed to the heater using: USA: an approved Stainless Steel Flexible Gas Connector certified for use on an infrared radiant tube heater (ANSI Z21.24 CSA 6.10); CANADA: an approved Type 1 Hose Gas Connector (CAN/CGA 8.1). The heater must be isolated from the gas supply piping system by closing its individual manual shut off valve (field supplied) during any pressure testing of the gas supply piping system.
NOTE: Access to the manifold pressure test port is on the top of the valve. A 3/16" Allen Wrench is necessary to check this. When checking or setting the manifold pressure, a water manometer should be used. Gauges which measure in ounces per square inch or pounds per square inch are not accurate enough to properly measure or set the pressure. WARNING THIS HEATER WILL EXPAND IN LENGTH AS IT HEATS UP. It is a normal condition that during heat-up and cool-down a tube heater will expand and contract.
FIGURE 20 ORIENTATION OF FLEXIBLE GAS CONNECTOR The flexible gas connector MUST be installed in the orientation shown below as required by national installation codes and by the certification standard of this heater. This orientation protects the flexible gas connector from damage due to movement during heater expansion. It is the responsibility of the installer to ensure correct installation of the flexible gas supply.
14. ELECTRICAL AND THERMOSTAT WIRING (WIRING DIAGRAMS PAGE 35 & 36) NOTICE The heater must be electrically grounded in accordance with the National Electrical Code. ANSI / NFPA 70 or current Canadian Electrical code CSA C22.1. Appliance and control wiring must be in accordance with all applicable local codes. The total load of all heaters must be considered in determining the required contact rating of the controlling thermostat or switch.
18. WIRING DIAGRAM: 24V OR 120 VOLT THERMOSTAT OPERATION SINGLE HEATER PER THERMOSTAT (Multiple Heaters per Thermostat—next page) Maximum Power Flow = 21VA Each tube heater requires 120V, 60 HZ electrical power sized for 145VA. The heater includes a 24V/120V relay switch . Maximum power flow for internal 24V burner components is 21VA. The heater must be electrically grounded in accordance with the National Electrical Code. ANSI / NFPA 70 or current Canadian Electrical code CSA C22.1.
19. MULTIPLE TUBE HEATERS per THERMOSTAT OR Line Voltage Thermostat Each tube heater requires 120V, 60 HZ electrical power sized for 145VA. Maximum power flow for internal 24V burner components is 21VA. See previous page for internal wiring. The heater must be electrically grounded in accordance with the National Electrical Code. ANSI / NFPA 70 or current Canadian Electrical code CSA C22.1. A maximum night set-back of 9°F (5°C) is recommended for optimum economy and comfort.
20 SEQUENCE OF OPERATION GASLITER 50N DIRECT SPARK IGNITION (DSI) The Gasliter 50N is a three trial ignition control module with a 30 minute soft lockout/reset. It is powered by a 24v transformer that is activated when the thermostat calls for heat. On every call for heat the Gasliter 50N will delay start-up to provide a 30 second system pre-purge.
21. TROUBLESHOOTING GUIDE WARNING Improper adjustment, alteration, service or maintenance can cause property damage, injury or death. This heater must be installed and serviced only by a trained gas service technician SEQUENCE OF EVENTS APPLY 120 VOLTS - GREEN LIGHT IS ON SET THERMOSTAT TO CALL FOR HEAT COMBUSTION AIR BLOWER STARTS CHECK IF 120 VOLTS PRESENT AT BLOWER IF “YES”.....
MAIN BURNER LIGHTS NO CHECK FOR STRONG SPARK AT IGNITER........ (SEE PREVIOUS PAGE). YES CHECK FOR 24 VAC ACROSS GAS VALVE. CHECK OUTPUT VOLTAGE FROM CONTROL TERMINALS TO GAS VALVE.....IF NO VOLTAGE REPLACE CONTROL. CHECK ELECTRICAL WIRING, AND VOLTAGE BETWEEN IGNITION CONTROL AND GAS VALVE. IF OK, REPLACE GAS VALVE.
22. SPARK IGNITION CIRCUIT The step-up transformer in the ignition control provides spark ignition at 30,000 volts (open circuit). To check the spark ignition circuit, proceed as follows.
24. START-UP / COMMISSIONING SHEET THIS EQUIPMENT HAS BEEN FACTORY FIRED AND TESTED PRIOR TO SHIPMENT. HOWEVER, THIS APPLIANCE IS NOT “PLUG & PLAY”. IT REQUIRES COMMISSIONING AND FIELD ADJUSTMENT / SPECIFICATIONS CONFIRMATION TO ENSURE SAFE AND EFFICIENT OPERATION. COMMISSIONING REPORT AS PER I&O MANUAL AND LOCAL CODES CONTRACTOR NAME: ................................................................................DATE................................ ADDRESS:...............................................
QUALIFIED INSTALLER TO COMPLETE THIS TUBE HEATER COMMISSIONING REPORT TYPE OF GAS: NG LP DOES BUILDING HAVE A NEGATIVE CONDITION: YES NO IF THIS IS A HIGH ALTITUDE AREA WHAT IS THE ALTITUDE ABOVE SEA LEVEL Feet DOES APPLICATION REQUIRE FRESH AIR TO BURNER YES NO IS HEATER EXPOSED TO CHEMICAL OR CORROSIVE ATMOSPHERE: YES NO ARE ACTUAL MINIMUM CLEARANCES AS PER TABLE 3 YES NO CAN HEATER BE AFFECTED BY OVERHEAD CRANES / VIBRATION YES NO ARE GAS SUPPLY LINES ADEQUATELY SIZED FOR SYSTEM YES
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FIGURE 22 HANGER SPACING / AIR INTAKE TO VENT LENGTH * POSITION BURNER END HANGER 6.5 INCHES (17 CM) FROM BURNER [2.5 INCHES (6.
26A. BURNER & TUBE KIT ASSEMBLY CHART MODELS STW-JZ / IW Models STW-JZ /IW have a stainless steel water resistant burner enclosure and aluminized steel tube/reflector system. These models may be installed to heat commercial / industrial nonresidential outdoor spaces and wet indoor environments.
26B. BURNER & TUBE KIT ASSEMBLY CHART MODELS STW-JZ2 / IW2 Models STW-JZ2 /IW2 have a stainless steel water resistant burner enclosure and stainless steel tube/reflector system. These models may be installed to heat commercial / industrial nonresidential outdoor spaces and harsh wet indoor environments and food industry.
27.GAS CONVERSION OF BURNER - MODELS STW-JZ / IW Burners for the STW-JZ / IW Models are factory produced and supplied to operate on natural gas. For models with inputs 45,000, 60,000, 80,000, 110,000, 130,000, and 155,000 Btuh a field conversion kit is available to convert from natural gas to propane gas, or vice versa. Refer to the table below for kit part number to order. Each kit contains the specific instructions required to install that kit.
28. TURBULATORS: TURBULATOR LENGTH (IF REQUIRED) MODEL TURBULATOR LENGTH (IF REQUIRED) STW-JZ / IW 200-70/60/50 10’ (3 m) STW-JZ / IW 110-40 10' (3 m) 10’ (3 m) STW-JZ / IW 110-30 14' (4.3 m) STW-JZ/ IW 175-70/60/50 MODEL STW-JZ / IW 80-40 10’ (3 m) STW-JZ / IW 80-30 14' (4.3 m) STW-JZ / IW 80-20 14' (4.3 m) STW-JZ / IW 60-30 14' (4.3 m) STW-JZ / IW 60-20 14' (4.3 m) 10' (3 m) STW-JZ / IW 45-20 14' (4.3 m) STW-JZ / IW 130-30 14' (4.3 m) STW-JZ / IW 45-10 5’ (1.
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90 degree Elbow Kit* Aluminized Steel JS-0508-JZ Stainless Steel JS-0508-JZ-2 *Kit includes: 1. elbow, 2. tube coupler, 3. reflector end cap, 4 screws, 5. reflector cap. JS-0508-JZ (-2) See dimensions below For 180 degree elbow applications order 2 x 90 degree Elbow kits.
#2 Lion Chain (115 lb work load) - 200 ft roll JL-0800-XX ‘S’ Hooks - 1 7/8” - package of 25 JL-0798-SH TruTemp Thermostat True comfort control for radiant heating systems - senses and averages ambient and radiant temperatures. Occupancy sensor with auto setback of 9°F (5°C).
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SEE EXPLODED VIEW OF BURNER ON PREVIOUS PAGE # PART DESCRIPTION PART # PART DESCRIPTION PRIMARY SUPPLEMENT 15 90 DEGREE ELBOW FITTING 1/2" JS-0588-XX 90 degree street elbow fitting 16 OUTER BURNER JS-0504-WP Outer burner assembly 17 MAIN BURNER ORIFICE JS-0742-DM Gas orifice low intensity HTR 42 DMS 60 LP JS-0725-DM Gas orifice low intensity HTR 25 DMS 60 NG JS-0736-DM Gas orifice low intensity HTR 36 DMS 80 LP JS-0718-DM Gas orifice low intensity HTR 18 DMS 80 NG JS-0731-DM Gas ori
STW-JZ (-JZ2) / IW (-2) TUBE SYSTEM PARTS # PART DESCRIPTION 35 WEBBED HANGER: Aluminized Steel Stainless Steel 36 REFLECTOR: Aluminized Steel 37 PLATE HANGER: Aluminized Steel 38 SYSTEM TUBES: Aluminized Steel Stainless Steel Stainless Steel Stainless Steel PART # PART DESCRIPTION PRIMARY JS-0505-JZ Webbed Hanger - Aluminized Steel JS-0505-SZ Webbed Hanger - Stainless Steel JS-0502-JZ Reflector 24" x 116" - Aluminized Steel JS-0502-ST-S Reflector 24" x 116" - Stainless Steel JS-0506-JZ
LIMITED WARRANTY CERTIFICATE FOR GAS-FIRED INFRA-RED LOW INTENSITY TUBE HEATERS: STW-JZ (-JZ2) & IW (-2) SERIES The Manufacturer warrants that this product is free from defects in material or workmanship under normal use and service subject to the terms of this document.
