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SPW2-JZ - STW2-JZ
Series
TWO-STAGE LOW INTENSITY TUBE TYPE INFRARED HEATERS
OUTDOOR, INDOOR, CAR WASH & HARSH ENVIRONMENT
INSTALLATION / OWNER'S MANUAL
WARNING:
SAFETY ALERT:
This heater must be installed and serviced only by a trained gas service techni-
cian. Failure to comply could result in personal injury, death, fire and/or property
damage.
Do not store or use gasoline or other flammable vapours and liquids in the
vicinity of this or any other gas fired appliance.
IF YOU SMELL GAS:
Extinguish any open flame
◼
Do not attempt to light this or any other appliance
◼
Don't touch any electrical switch, or telephone
◼
Immediately call your gas supplier from a neighbor's phone
◼
Follow any and all instruction from your gas supplier
◼
If your gas supplier is not available, call the fire department
◼
FIELD CONVERTIBILITY:
This appliance is field con-
vertible to Propane.
Improper installation, adjustment, alteration, service or maintenance
can cause property damage, injury or death.
Read the installation and operating and maintenance instructions thor-
oughly before installing or servicing this equipment.
Keep this manual in a secure place .
Record for future reference:
Model #:
Serial #:
IWP2 - IW2
&
Series
(located on heater rating label)
SPW2, STW2(S) / IWP2, IW2(S) I&O Manual
IM170629
RL: 03C
RD: APR 2019
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Summary of Contents for Schwank SPW2-JZ Series
- Page 1 SPW2-JZ - STW2-JZ IWP2 - IW2 & Series Series TWO-STAGE LOW INTENSITY TUBE TYPE INFRARED HEATERS OUTDOOR, INDOOR, CAR WASH & HARSH ENVIRONMENT 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 thor- oughly before installing or servicing this equipment.
- Page 2 The Manufacturer. Unauthorized use or distribution of this publication is strictly pro- hibited. Schwank Group Schwank and InfraSave brands 5285 Bradco Boulevard Mississauga, Ontario,L4W 2A6 PO Box 988, 2 Schwank Way Waynesboro, Georgia 30830 Customer & Technical Services Phone: 877-446-3727 Fax: 866-361-0523 e-mail: csr@schwankgroup.com www.schwankgroup.com...
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Page 3: Table Of Contents
SPW2-JZ / IWP2 and STW2-JZ(S) / IW2(S) SERIES CAR WASH & HARSH ENVIRONMENT LOW INTENSITY TUBE TYPE INFRA RED HEATERS TABLE OF CONTENTS TOPIC ……...PAGE TOPIC ..PAGE 12. COMBUSTION AIR DUCT ......35 INSTALLATION 13. GAS SUPPLY ..........35 IMPORTANT INFORMATION - READ FIRST HEATER EXPANSION ........ -
Page 4: Application
WARNING Improper installation, adjustment, alteration, service or mainte- nance 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 techni- cian. -
Page 5: Heater Expansion
Series STW2-JZ and IW2 have a stainless steel water resistant burner enclosure and alu- minized steel tube/reflector system, and may be installed for heating of commercial / resi- dential outdoor spaces, and indoor non-residential wet environments. As an option, Series STW2-JZS and IW2S have a stainless steel burner enclosure and a stainless steel tube/reflector system for harsh indoor/outdoor environments . -
Page 6: Clearance To Combustibles
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 flamma- ble or explosive objects, liquids or vapors in proximity of the heater. The clearance to combustible material represents the minimum dis- tance that must be maintained between the outer heater surface and a nearby surface. - Page 7 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 See next page for details.
- Page 8 tolerance which may degrade at lower temperatures are protected to prevent degradation. Examples of low heat tolerance materials include vinyl siding, fabrics, some plastics, filmy materials, etc. 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).
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Page 9: Labor Requirements
1. LABOR REQUIRMENTS Two persons are required to safely install this equipment. Wear gloves and other required safe- ty protection. INSTALLATION IN COMMERCIAL AIRCRAFT HANGARS Low intensity radiant tube heaters are suitable for use in aircraft hangars when installed in ac- cordance 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. -
Page 10: Pre-Installation Survey
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. -
Page 11: Mounting Clearances
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. - Page 12 TABLE 2: GUIDELINES FOR HEATER PLACEMENT: INDOOR SPACE HEATING DISTANCE – OUTSIDE WALL MODELS: MAXIMUM TO HEATER LONG AXIS SPW2-JZ/ IWP2 DISTANCE (PARALLEL TO WALL) IN “FEET” STW2-JZ(S) / IW2(S) MOUNTING BETWEEN HEIGHT HEATERS HORIZONTAL NOMINAL INPUTS ANGLE ft (m) ft (m) ft (m) 18 –...
- Page 13 Elbow Location / Input: A minimum run of straight radiant tube must be con- nected to the burner before any elbow as follows: Inputs 200 (60 kW) and 175 Mbh (50 kW) = 25 ft (7.6 m); Input 150 Mbh (45 kW) = 20 ft (6 m); Inputs 125 Mbh (38 kW) and 110 Mbh (32 Kw) = 15 ft (4.6 m);...
- Page 14 INSTALLATION INSTRUCTIONS FOR 90° AND 180° ELBOW KITS When installing systems that incorporate a 90° or 180° elbow, assembly of the system is facili- tated by first locating and installing the elbow assembly, then install the remainder of the tube/ reflector system working away from the elbow.
- Page 15 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 Suspending the elbow kit in horizontal position prepared for tube installation in horizontal mode.
- Page 16 #11/A Suspend with 3 chains in horizontal posi- tion and continue installing the tubes and reflectors to complete the system. #11/B When hanging a heater with a 180° el- bow kit at 45° angle the vent run tubes must be on top, with the burner on the lower side.
- Page 17 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.
- Page 18 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 ori- ented 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.
- Page 19 FIGURE 8 REFLECTOR STABILIZER Bend stabilizer tabs over reflector ‘edge’ to secure in place FIGURE 9 PLATE HANGER/ELBOW INSTALLATION see section 7 90° Elbow Kit JS-0508-JZ 4. Webbed Hanger Flange mounts UNDER 1. Webbed-Hanger and fastens the next Reflector 2. Reflectors 5.
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Page 20: Seismic Restraint
Schwank / InfraSave offers optional items: #2 Lion Chain 115 lb work load x 200 ft roll (PN: JL- 0800-XX); and Safety Snap Hooks (PN: JL-0800-SH = pkg 24; JL-0800-SH-B = pkg 100). -
Page 21: Burner & Tube Installation
BURNER AND TUBE INSTALLATION PRIOR TO PROCEEDING with the tube installation: Read and understand Section 8 - “Suspending the System ” SPECIAL NOTES: 1. 175,000 & 200,000: Special Tube Coupling - Refer to Section 9.1, Fig 13 These firing rates have an unpainted stainless steel first tube with a flange (painted “white”), and an unpainted aluminized steel tube as the second tube;... - Page 22 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"...
- Page 23 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 gravity’...
- Page 24 TURBULATOR LENGTH & LOCATION IN SYSTEM: See next page for an illustration of turbulator lengths and locations. NOTE: Improper location of a turbulator can cause malfunction of the heater, property damage, and will void the heater warranty. Tubes with turbulators are clearly labeled for easy identification. Models with as- terisk refer to notes below the table.
- Page 25 TURBULATORS AND LOCATIONS IN SYSTEMS SPW2, STW2(S) / IWP2, IW2(S) I&O Manual IM170629 RL: 03C RD: APR 2019...
- Page 26 9.1 SPECIAL COUPLING: 175,000 & 200,000 Btuh : The joint of 1ST & 2ND tubes of 175,000 & 200,000 heaters experience NOTE strong forces of expansion. Follow instructions below for special coupling of the tubes. FIGURE 15 SPECIAL COUPLING: 175,000 & 200,000 Btuh •...
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Page 27: Reflector Installation
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 non- combustible mounting hardware. - Page 28 NOTE: Except for the vent end plate hanger, all hangers must be installed with the cavity side facing toward the burner - the cavity side of the vent end hanger must face the vent FIGURE 16 REFLECTOR EXTENSIONS (OPTIONAL - IF REQUIRED ) Insert ‘S’...
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Page 29: Flue Venting
11. FLUE VENTING - RADIANT TUBE HEATER Effective January 1, 2019: Changes to the ANSI/CSA standard that gov- IMPORTANT erns Radiant Tube Heaters specify the following appliance CATEGO- RIES and VENTING: Vertical Vent Through Roof (Category I): For vertical vent, this tube heater series operates ◼... - Page 30 appliance Category, and specifications below. All venting must meet requirements of Local Codes or, in the absence of local codes, with the ◼ National Fuel Gas Code, ANSI Z223.1/NFPA 54; or the Natural Gas and Propane Installation Code CSA B149.1. A vent connector shall comply with local codes and be firmly attached to the flue collar by 3 x ◼...
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Page 31: Combined System Length
TABLE 4: COMBINED SYSTEM LENGTH Installations up to 4500 ft - Higher altitudes refer to Section 27 Do Not Exceed Max. Air Duct Example SPW2-JZ / Max. Vent Length* Max. Combined Length* STW2-JZ System Length* (by Duct Diameter) 155/110 Model: Individual: 4”... - Page 32 Vertical vent through the roof (Category I): It is the sole responsibility of the installer to adhere to all current local codes and/or ANSI Z223.1 / CSA.B149.1 latest editions for all venting requirements, and practices. Also adhere to instructions below, and the instructions of the vent manufacturer. Use vent materials certified for Category I. All models of this series heater are certified Category I for vertical venting.
- Page 33 Horizontal vent through the sidewall (Category III): All vent must be installed in accordance with local codes or, in the absence of local codes, with the National Fuel Gas Code in the USA, ANSI Z223.1/NFPA 54; or the Natural Gas and Propane Instal- lation Code CSA B149.1 in Canada.
- Page 34 USA specific horizontal vent requirements: The vent terminal of an appliance with an input up to 50,000 Btu/hr (14.7kW) shall be in- ◼ stalled with a 9 inch [230mm] vent termination clearance from any air opening into a building, and an appliance with an input over 50,000 Btu/hr (14.7kW) shall have at least a 12 inch [305 mm] vent termination clearance.
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Page 35: Combustion Air Duct
12. COMBUSTION AIR DUCTING 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. An opening is located on the top surface of the burner housing for combustion air . Ensure ad- equate clearance around this opening to allow sufficient combustion air supply to the heater. - Page 36 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).
- Page 37 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.
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Page 38: Heater Expansion
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. -
Page 39: Electrical And Thermostat
145VA. The heater includes a 24V/120V relay switch and is to be controlled by a Honeywell FocusPRO 5000 Series TH5220D1037 (or equivalent) 24V Digital Thermostat - Schwank/ InfraSave P/N JS-0569-DT. Maximum power flow for internal 24V burner components is 21VA. -
Page 40: Per Thermostat
18. WIRING DIAGRAM: 24V 2-STAGE THERMOSTAT CONTROL SINGLE HEATER PER THERMOSTAT (Multiple Heaters per Thermostat—next page) Two-Stage Thermostat MUST have sequence OFF-ON (Low)-ON (high) 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. - Page 41 18-A. WIRING DIAGRAM - MULTIPLE 2-STAGE HEATERS PER 2-STAGE THERMOSTAT (FOR SINGLE HEATER PER THERMOSTAT SEE PREVIOUS PAGE) NOTE: Total Relays Required Thermostat: 2 Relays Each Heater: 2 Relays Example: Quantity 4 two-stage heaters requires: 2 + (4 x 2) = 10 Relays (previous page) Two-Stage Thermostat MUST sequence...
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Page 42: Per Switch
(Multiple Heaters per Switch/Thermostat—next page) IMPORTANT: Switch must have OFF-ON-ON sequence. Order these special sequence switches from Schwank/Infrasave. 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. - Page 43 19-A. WIRING DIAGRAM - MULTIPLE 2-STAGE HEATERS PER SWITCH GANG (FOR SINGLE HEATER PER THERMOSTAT SEE PREVIOUS PAGE) NOTE: Total Relays Required At Switch: 2 Relays Each Heater: 2 Relays Example: Two-Stage Switch Quantity 4 two-stage heaters MUST sequence requires: OFF -ON -ON (Off-Low-High)
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Page 44: Sequence Of Operation
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. -
Page 45: Troubleshooting Guide
21. TROUBLESHOOTING GUIDE Improper adjustment, alteration, service or maintenance can WARNING 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 •... - Page 46 MAIN BURNER LIGHTS • CHECK FOR STRONG SPARK AT IGNITER..• (SEE PREVIOUS PAGE). • CHECK FOR 24 VAC ACROSS GAS VALVE. • CHECK OUTPUT VOLTAGE FROM CONTROL TER- MINALS TO GAS VALVE..IF NO VOLTAGE RE- PLACE CONTROL. • CHECK ELECTRICAL WIRING, AND VOLTAGE BE- TWEEN IGNITION CONTROL AND GAS VALVE.
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Page 47: Spark Ignition Circuit
22. SPARK IGNITION CIRCUIT The step-up transformer in the ignition control provides spark ignition at 30,000 volts (open cir- cuit). To check the spark ignition circuit, proceed as follows. Shut off gas supply to the gas control • Disconnect the ignition cable at the ignition control stud terminal to isolate the circuit from •... -
Page 48: Start-Up / Commissioning Sheet
24. START-UP / COMMISSIONING SHEET THIS EQUIPMENT HAS BEEN FACTORY FIRED AND TESTED PRIOR TO SHIPMENT. HOWEVER, THIS APPLIANCE IS NOT “PLUG & PLAY”. IT RE- QUIRES COMMISSIONING AND FIELD ADJUSTMENT / SPECIFICATIONS CONFIRMATION TO ENSURE SAFE AND EFFICIENT OPERATION. COMMISSIONING REPORT AS PER I&O MANUAL AND LOCAL/NATIONAL CODES CONTRACTOR:... - Page 49 QUALIFIED INSTALLER TO COMPLETE THIS TUBE HEATER COMMISSIONING REPORT REFER TO THIS COMPLETED REPORT WHEN CALLING TECHNICAL SERVICES: 1-877- TYPE OF GAS HAS A MANUFACTURER’S GAS CONVERSION KIT BEEN INSTALLED DOES BUILDING HAVE A ‘NEGATIVE AIR’ CONDITION IS HEATER EXPOSED TO CHEMICAL OR CORROSIVE ATMOSPHERE IS ‘OUTSIDE COMBUSTION AIR’...
- Page 50 25. BTUH INPUT RATINGS AND CORRESPONDING DIMENSIONS NOMINAL TUBE MODELS: SP(T)W2-JZ / ACTUAL ACTUAL OVERALL APPROX LENGTH SPW2-JZ / IWP2 IWP2 / IW2 HIGH-FIRE LOW-FIRE HEATER (FT) STW2-JZ(S) / IW2(S) MODEL INPUT INPUT LENGTH * WEIGHT ** (A/S: Aluminized Steel S/S: (BTUH) (BTUH) (FT)
- Page 51 FIGURE 22 HANGER SPACING / AIR INTAKE TO VENT LENGTH • POSITION BURNER END HANGER 6.5 INCHES (17 CM) FROM BURNER [2.5 INCHES (6.4 CM) FROM TUBE FLANGE] • POSITION SYSTEM HANGERS 116 INCHES (295 CM) APART * ANGLE BURNER SUPPORT CHAIN BACK OVER BURNER - ALLOWS TUBE SYSTEM EXPANSION Tube Tube Length...
- Page 52 26. INPUT & TUBE KIT(S) REQUIRED BEFORE INSTALLATION: ENSURE you have the CORRECT TUBE KIT(s) for the BURNER INPUT SPW2-JZ / STW2-JZ & IWP2 / IW2 STW2-JZS & IW2S ALUMINIZED STEEL TUBE KITS STAINLESS STEEL TUBE KITS TUBE Model (individual cartons) (individual cartons) LENGTH Tube Kit 1 #...
- Page 53 27. HIGH ALTITUDE INSTALLATION Canada: Heaters can be installed to an altitude of 4500 ft without revision. To install above 4500 feet refer to recommendation of local authority having jurisdiction. • USA: The factory installed orifice is approved for normal altitude up to 2000 ft. When this appliance is installed above an altitude of 2000 feet in the USA , the input must be de-rated by 4% for each 1000 ft .
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Page 54: High Altitude Installation
Canada: The factory installed orifice for this appliance is approved for altitudes zero to 4500 feet above sea level. When installed above 4500 feet, refer to the Local Provincial Authority having jurisdiction . SCHWANK/INFRASAVE RECOMMENDED ORIFICE CHART - ALTITUDE CONVERSION FOR USE AT ALTITUDES GREATER THAN (FEET) Gas Orifice Drill Size / Part#... -
Page 55: Optional Accessories
29. OPTIONAL ACCESSORIES Flue Vent Terminal JA-0528-XX 4” wall horizontal JA-0529-XX 6” wall horizontal Torctite Coupler (c/w 2 bolts) JA-0516-SW Vent Tee 4” X 4” X 6” JA- 0514-XX (2 couplers optional) Clearance Sign - Required in some jurisdictions: JL-0798-CS •... - Page 56 90 degree Elbow Kit* JS-0508-JZ • Aluminized Steel JS-0508-JZ *Kit includes: 1. elbow, 2. tube coupler, 3. reflector end cap, 4 screws, 5. reflector cap. See dimensions below For 180 degree elbow applications order 2 x 90 degree Elbow kits. Side Reflector Extension Kit- JS-0509-KT l0”...
- Page 57 #2 Lion Chain (115 lb work load) JL-0800-XX - 200 ft roll Safety Snap Hooks - 2” - package of 25 JL-0800-SH - package of 100 JL-0800-SH-B Moisture Proof NEMA 4X - 2-Stage Thermostat - DPDT Line Voltage 40° - 110°F (5° - 40°C) Both °F &...
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Page 58: Burner Parts List
30. BURNER PARTS Exploded View Burner: SPW2-JZ / IWP2 • STW2-JZ / IW2 • Model Dash # / Nominal High Input / PART DESCRIPTION PRIMARY PART # Gas Type STW2-JZ(S) / IW2(S) Stainless Steel Burner Housing JS-0582-WP SPW2-JZ / IWP2 Powder Coated Burner Housing JS-0582-WP-P ALL MODELS... - Page 59 PART # Model Dash # / Nominal High Input / Gas Type PART DESCRIPTION PRIMARY All Models: Propane Two Stage Gas Valve LP VR8205Q2944 JA-0507-TT All Models: Natural Gas Two Stage Gas Valve NG VR8205Q2480 JA-0506-TT All Models Manifold bushing JS-0589-XX 1/2”...
- Page 60 TUBE SYSTEM PARTS: SPW2-JZ / IWP2 STW2-JZ(S) / IW2(S) MODEL DASH #, Tube Length PART DESCRIPTION PART # 36 Aluminized Steel Tube System Reflector 24" x 116" - Aluminized Steel JS-0502-JZ Stainless Steel Tube System Reflector 24" x 116" - Stainless Steel JS-0502-SZ 37 Aluminized Steel Tube System Aluminized end plate hanger...
- Page 61 Warranty is only applicable to Schwank components, other parts are limited to their own Manufacturers warranty period of one year (1 year).
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