Schwank STW-JZ Owner's Manual

Car wash & harsh environment
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Model
STW-JZ (-JZ2)
LOW INTENSITY TUBE TYPE INFRA RED HEATERS
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 LP gas.
~ See page 49 ~
CAR WASH & HARSH ENVIRONMENT
Improper installation, adjustment, alteration, service or
maintenance can cause property damage, injury or death.
Read the installation and operating and maintenance instruc-
tions thoroughly before installing or servicing this equipment.
Keep this manual in a secure place .
Record for future reference:
Model #:
Serial #:
&
IW (-2)
(located on heater rating label)
Model
STW-JZ / IW I&O Manual
RD: AUG 2013
IM101229
RL: 12B- BA

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Summary of Contents for Schwank STW-JZ

  • Page 1 Keep this manual in a secure place . Record for future reference: This appliance is field con- vertible to LP gas. Model #: ~ See page 49 ~ Serial #: (located on heater rating label) STW-JZ / IW I&O Manual IM101229 RL: 12B- BA RD: AUG 2013...
  • Page 2 The Manufacturer. Unauthorized use or distribution of this publication is strictly prohibited. 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...
  • Page 3: Table Of Contents

    TUBE SYSTEM PARTS LIST......57 SPECIAL COUPLING - 175 & 200 Mbh ..25 10. REFLECTOR INSTALLATION ...... 26 WARRANTY STATEMENT ....BACK PAGE 11. FLUE VENTING..........28 12. COMBUSTION AIR DUCT ......32 STW-JZ / IW I&O Manual IM101229 RL: 12B- BA RD: AUG 2013...
  • Page 4: Application

    Outdoor spaces and wet indoor environments: SPW-JZ / IWP / P40U-P: Powder coated wa- ter resistant burner enclosure; aluminized steel tube/reflector system. Outdoor spaces and harsh indoor environments: STW-JZ / IW / P40U-W Models: stainless steel water resistant burner enclosure; aluminized steel tube/reflector system.
  • Page 5: Heater Expansion

    The tube material is designed into the heater because it can with- stand the high temperature of combustion, and the “red glow” is a normal occurrence. STW-JZ / IW I&O Manual IM101229 RL: 12B- BA...
  • Page 6: Clearance To Combustibles

    Refer to Figure 1 and Table 1 for the certified clearances to combustibles for the appro- priate model input/size. STW-JZ / IW I&O Manual IM101229 RL: 12B- BA...
  • Page 7: Clearances Figure & Table

    The stated clearance to combustibles represents a surface temperature of 90F° (50C°) above room temperature. . NOTES:  In the above table the clearances are measured from the reflector STW-JZ / IW I&O Manual IM101229 RL: 12B- BA RD: AUG 2013...
  • Page 8: Stacking Height Sign

    Refer to the information for the heater model being installed in Figure 1 and Table 1 to get the values for dimensions ‘S’, ‘F’ and ‘B’. Post this sign as instructed above. STW-JZ / IW I&O Manual IM101229 RL: 12B- BA RD: AUG 2013...
  • Page 9: Labor Requirements

    Use for process or other applications that are not space heating will void the C.S.A. certification and product warranty. Process application requires field inspection and/or certification by local authorities having jurisdiction. STW-JZ / IW I&O Manual IM101229 RL: 12B- BA...
  • Page 10: Pre-Installation Survey

    ANSI/NFPA N0 70 in the U.S.A. and PART 1 CSA C22.1 in Canada must also be observed. The heating system must have gas piping of the correct diameter, length, and arrangement to function properly. For this reason, a layout drawing is necessary. STW-JZ / IW I&O Manual IM101229 RL: 12B- BA...
  • Page 11: Mounting Clearances

    24 inches (61 cm) to any ONE side to allow servicing of burner, blower and controls. (see Fig- ure 2 below) - the minimum clearances to combustibles must always be maintained. For guidelines to heater placement refer to TABLE 2 (next page). FIGURE 2 STW-JZ / IW I&O Manual IM101229 RL: 12B- BA RD: AUG 2013...
  • Page 12: Heater Placement Guidelines

    Examples of low heat tolerance materials include vinyl siding, fabrics, some plastics, filmy materials, etc. Refer to “Clearance to Combustibles” information on pages 6 to 8, and Figure 1 and Table 1. STW-JZ / IW I&O Manual IM101229 RL: 12B- BA RD: AUG 2013...
  • Page 13: Suspending The System

    SCREW HANGER HOLE IN BEAM NOTE: It is the installer’s responsibility to ensure that mounting hardware and fastening to structure are of sufficient strength to support the system. STW-JZ / IW I&O Manual IM101229 RL: 12B- BA RD: AUG 2013...
  • Page 14 7. Webbed Hanger The distance between the 8. Hanging Chains tube flange and face of 9. Focus Shield Reflector the plate hanger must be 10. Reflector Stabilizer 2.5” (6 cm) STW-JZ / IW I&O Manual IM101229 RL: 12B- BA RD: AUG 2013...
  • Page 15 Reflector 2. Reflectors 5. 90° Tube Elbow 3. Webbed-Hanger Flange UNDER Reflector 6. Tube/Elbow Coupler FIGURE 10 HANGER / REFLECTOR ORIENTATION HORIZONTAL TO 45 STW-JZ / IW I&O Manual IM101229 RL: 12B- BA RD: AUG 2013...
  • Page 16: 7-A 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 17: Systems With 90° & 180° Elbows

    1 Straight line 2 “U” tube with 2 x 90° elbow kits 3 “L” tube with one 90° elbow kit 4 Twinned tubes into common TEE flue vent STW-JZ / IW I&O Manual IM101229 RL: 12B- BA RD: AUG 2013...
  • Page 18 (Not to be reversed) Place the reflector over the plate hang- ers. Secure reflector to hangers with sheet metal screws provided. STW-JZ / IW I&O Manual IM101229 RL: 12B- BA RD: AUG 2013...
  • Page 19 Always with the cavity facing toward the ‘burner end’ of the system Place the second reflector over the plate hangers. Secure the reflector with 8 screws to the plate hanger. STW-JZ / IW I&O Manual IM101229 RL: 12B- BA RD: AUG 2013...
  • Page 20: Elbow Kit Dimensions

    5. Bolt the angle adapter to the elbow/tube hanger through the aligned holes 6. The angle adapter will remain in place by resting on the tube 7. Attach reflector to the angle adapter with sheet metal screws STW-JZ / IW I&O Manual IM101229 RL: 12B- BA...
  • Page 21: Burner & Tube Installation

    Check that the first tube is level 3) Install a focus shield reflector over the first tube - secure with sheet metal screws to the hanger at each end continued ... STW-JZ / IW I&O Manual IM101229 RL: 12B- BA RD: AUG 2013...
  • Page 22 11) ENSURE THAT THE SYSTEM IS LEVEL AND THAT ALL TUBES ARE ALIGNED HORI- ZONTALLY AND VERTICALLY – MAKE ADJUSTMENT AT SUSPENSION POINTS AS REQUIRED—WELDED SEAM OF 1st & 2nd TUBES MUST FACE DOWN Continued …. STW-JZ / IW I&O Manual IM101229 RL: 12B- BA RD: AUG 2013...
  • Page 23 BURNER AND A MINIMUM OF 24 INCHES (60 cm) FROM EITHER SIDE OF THE BURNER TO A WALL OR ANY OBSTRUCTION THAT WOULD RESTRICT OR LIMIT ACCESS TO THE BURNER FOR SERVICE OR REPAIRS. (SEE SECTIONS 5 & 6 - PRE-INSTALLATION SURVEY AND MOUNTING CLEARANCES) STW-JZ / IW I&O Manual IM101229 RL: 12B- BA...
  • Page 24 40 ft heater: Insert in end of third tube, prior to the 10 ft turbulator that is factory installed in the last tube (total 12 ft turbulator)  50 ft heater: Insert in the vent end of the last tube in the system. STW-JZ / IW I&O Manual IM101229 RL: 12B- BA RD: AUG 2013...
  • Page 25: Special Coupling - 175 & 200 Mbh

    3 and 9 o’clock Steps 1 & 2 Welded seam in lower half of tube, facing downward Steps 3 to 6 1/4” Rivet Step 7 Steps 8 & 9 STW-JZ / IW I&O Manual IM101229 RL: 12B- BA RD: AUG 2013...
  • Page 26: Reflector Installation

    System support chain Auxiliary chain for angle adjustment 1° to 44° (vary the top junction to adjust reflector angle) See more info next page Webbed hanger fitted UNDER reflectors STW-JZ / IW I&O Manual IM101229 RL: 12B- BA RD: AUG 2013...
  • Page 27 5. Insert “S” hook down through hole in the top of the reflector extension 6. Rotate “S” hook approx. 90°, and insert into hole in reflector 7. Settle reflector extension into place STW-JZ / IW I&O Manual IM101229 RL: 12B- BA...
  • Page 28: Flue Venting

    Tee (10 x 10 x 15 cm), supplied by the manufacturer. Vent pipe from each heater does not need to be equidistant to the vent Tee, but must comply to requirements below. The two STW-JZ / IW I&O Manual IM101229...
  • Page 29 Any horizontal portion of the flue vent system must slope downwards approximately 1/4" per foot (63 mm/ 300 mm) toward the vent terminal - radiant tube must be level. continued …….. STW-JZ / IW I&O Manual IM101229 RL: 12B- BA...
  • Page 30  12 inches (30 cm) for inputs up to and including 100,000 Btuh (30 kW)  3 ft (90 cm) for inputs exceeding 100,000 Btuh (30 kW) STW-JZ / IW I&O Manual IM101229 RL: 12B- BA RD: AUG 2013...
  • Page 31: See Also "Flexible Gas Connection

    Up to 30 ft Max. Allowed 100 ft * Do not exceed the Maximum Combined System Length regardless of the allowed maximum length of individual vent or combustion air duct STW-JZ / IW I&O Manual IM101229 RL: 12B- BA RD: AUG 2013...
  • Page 32: Combustion Air Duct

    Fire Mar- shall and Department of Labor for possible contaminants and any conflict with the installation of hot surface heating equipment. STW-JZ / IW I&O Manual IM101229 RL: 12B- BA...
  • Page 33: Gas Supply

    TABLE 4 LINE PRESSURE MANIFOLD PRESSURE INCHES WATER COLUMN GAS TYPE (tap at gas valve outlet) INCHES WATER COLUMN MINIMUM MAXIMUM Natural Gas 14.0 LP Gas 11.0 14.0 10.0 STW-JZ / IW I&O Manual IM101229 RL: 12B- BA RD: AUG 2013...
  • Page 34: Heater Expansion

    2 3/4” 3/4” x 36” - JL-0771-YY 3/4” x 36” - JL-0771-RB 200,000 60 / 70 3 1/4” 3/4” x 36” - JL-0771-YY 3/4” x 36” - JL-0771-RB STW-JZ / IW I&O Manual IM101229 RL: 12B- BA RD: AUG 2013...
  • Page 35 The flue vent, and combustion air duct (if installed) must also be configured in such a manner that the normal expansion of the heater will be accommodated. See Section 11. STW-JZ / IW I&O Manual IM101229 RL: 12B- BA RD: AUG 2013...
  • Page 36: Electrical And Thermostat

    THE TUBE HEATER BURNER IS COMPLETELY FACTORY ASSEMBLED AND TESTED. ANY ALTERATION VOIDS THE CSA CERTIFICATION AND MANUFACTURER’S WARRANTY. FOR ADDITIONAL INFORMATION, CONTACT YOUR LOCAL DISTRIBUTOR OR MANUFACTURER. STW-JZ / IW I&O Manual IM101229 RL: 12B- BA RD: AUG 2013...
  • Page 37: Wiring Diagram

    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. To maintain satisfactory comfort levels do not turn off the heating system over night/weekends. STW-JZ / IW I&O Manual IM101229 RL: 12B- BA...
  • Page 38: Per Thermostat

    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. To maintain satisfactory comfort levels do not turn off the heating system over night/weekends. STW-JZ / IW I&O Manual IM101229 RL: 12B- BA...
  • Page 39: Sequence Of Operation

    T.F.I., without the gas valve being closed first, this is called Spark Restoration. If a flame is not established during Spark Restoration the unit will repeat the process in step number 9 (above). STW-JZ / IW I&O Manual IM101229 RL: 12B- BA...
  • Page 40: Troubleshooting Guide

     CHECK SPARK GAP SETTING IS 3/16” (ADJUST BY MOVING THE GROUND PRONG ONLY)  PERFORM IGNITION LEAD TEST (See SPARK IGNI- TION CIRCUIT INSTRUCTIONS—Section 22) CONTINUED  GOOD SPARK..REPLACE IGNITER  NO SPARK/OR WEAK..REPLACE CONTROL STW-JZ / IW I&O Manual IM101229 RL: 12B- BA RD: AUG 2013...
  • Page 41  CHECK FOR FAULTY WIRING, REMOVE GAS VALVE LEAD AT CONTROL ,  IF VALVE CLOSES, RECHECK THE TEMPERATURE CONTROLLER AND WIRING.  IF VALVE STAYS OPEN..REPLACE GAS VALVE TROUBLESHOOTING ENDS STW-JZ / IW I&O Manual IM101229 RL: 12B- BA RD: AUG 2013...
  • Page 42: Spark Ignition Circuit

    3/16” 1/4” “booklet” format (8.5” x 11” folded in half) use these bars 1/4” 3/16” IF this manual is 8.5” x 11” “full page” format use these bars STW-JZ / IW I&O Manual IM101229 RL: 12B- BA RD: AUG 2013...
  • Page 43: Start-Up / Commissioning Sheet

    “burn off” and create smoke during the first hour of operation. This is temporary and normal. Please ensure that there is sufficient ventilation to adequately clear the smoke from the space. Notify site and safety personnel to ensure that alarm systems are not unduly activated. STW-JZ / IW I&O Manual IM101229 RL: 12B- BA...
  • Page 44 IF INSTALLED..IS TURBULATOR AT FLUE END OF SYSTEM “MAXIMUM STACKING HEIGHT” SIGN(S) - POSTED AT THERMOSTAT(S) THIS HEATER MUST BE ELECTRICALLY GROUNDED 1-866-361-0523 1-877-446-3727 FAX COMPLETED REPORT TO TECHNICAL SERVICES: FAX , VOICE STW-JZ / IW I&O Manual IM101229 RL: 12B- BA RD: AUG 2013...
  • Page 45: Installation Dimensions

     Overall length of heater includes the burner. ** Burner weight is 26 pounds (11.8 kg) Each 10 ft (305 cm) tube/reflector section weighs 82 pounds (37.2 kg) FIGURE 21 BURNER DIMENSIONS STW-JZ / IW I&O Manual IM101229 RL: 12B- BA RD: AUG 2013...
  • Page 46 ; 2113 cm 30’ 30’-7 3/4” ; 367 3/4” 934 cm 40’ 40’-3 3/4” ; 483 3/4” ; 1229 cm FIGURE 8 HANGER / REFLECTOR ORIENTATION HORIZONTAL TO 45 STW-JZ / IW I&O Manual IM101229 RL: 12B- BA RD: AUG 2013...
  • Page 47: Aluminized Steel Tube Kits

    26A. BURNER & TUBE KIT ASSEMBLY CHART MODELS STW-JZ / IW STW-JZ /IW Models have a stainless steel water resistant burner enclosure and aluminized steel tube/reflector system. These models may be installed to heat commercial / industrial non- residential outdoor spaces and wet indoor environments.
  • Page 48: Stainless Steel Tube Kits

    These models may be installed to heat commercial / industrial non- residential outdoor spaces and harsh wet indoor environments and food industry. See models STW-JZ / IW with Aluminized Steel tube kits - previous page BEFORE INSTALLING: ENSURE you have the CORRECT TUBE KIT(s) for the...
  • Page 49: Gas Conversion Of Burner

    Order new burners for specific fuel type 175,000 Check with Customer Service for conversion kit 200,000 Order new burners for specific fuel type Check with Customer Service for conversion kit STW-JZ / IW I&O Manual IM101229 RL: 12B- BA RD: AUG 2013...
  • Page 50: High Altitude & Orifice Chart

    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 table below. ~ ORIFICE TABLE ON NEXT PAGE ~ STW-JZ / IW I&O Manual IM101229 RL: 12B- BA...
  • Page 51 JS-0771-MM JS-0770-MM 19 DMS 20 DMS 20 DMS 21 DMS 22 DMS 23 DMS 25 DMS 26 DMS 200,000 LPG JS-0719-DM JS-0720-DM JS-0720-DM JS-0721-DM JS-0722-DM JS-0723-DM JS-0725-DM JS-0726-DM STW-JZ / IW I&O Manual IM101229 RL: 12B- BA RD: AUG 2013...
  • Page 52: Optional Accessories

    Vent Tee 4” X 4” X 6” JA- 0514-XX (2 couplers optional) Clearance Sign - Required in some jurisdictions:  Vehicle service garages JL-0798-CS  3/4” high red lettering on white background STW-JZ / IW I&O Manual IM101229 RL: 12B- BA RD: AUG 2013...
  • Page 53: Rd: Aug 2013

    Side Reflector Extension Kit- Aluminized Steel JS-0509-KT l0” deep, l0 ft long Each Not available in stainless steel Tube Protection Screen -5 foot lengths JA-0780-XX Not available in stainless steel STW-JZ / IW I&O Manual IM101229 RL: 12B- BA RD: AUG 2013...
  • Page 54 (24 Volts - °F or °C selectable) JS-0569-WR corrosive environments 24 Volt Option: Control Center Use when Multiple Tube Heaters are JM-0303 –KT controlled by a single 24V Thermostat or TruTemp (for field mounting) STW-JZ / IW I&O Manual IM101229 RL: 12B- BA RD: AUG 2013...
  • Page 55: Burner Parts List

    31. REPLACEMENT PARTS Model STW-JZ2 (stainless steel tube system) uses the same burner as STW-JZ STW-JZ (-JZ2) / IW (-2) Burner PART DESCRIPTION PART # PART DESCRIPTION PRIMARY SUPPLEMENT 1 BURNER HOUSING JS-0582-WP Burner housing harsh environment 2 BURNER HOUSING GASKET SET...
  • Page 56 Blocked flue switch 0.90" WC 175-S LP JS-0577-XY Blocked flue switch 1.20" WC 175-S LP 200-S LP JS-0577-UW Blocked flue switch 1.33" WC 35 24V/120V RELAY SWITCH JS-0568-CC 24V/120V Relay Switch STW-JZ / IW I&O Manual IM101229 RL: 12B- BA RD: AUG 2013...
  • Page 57: Tube System Parts List

    Stainless Steel JS-0506-SB Reflector brace - Stainless Steel 3 per reflector 40 TURBULATOR JS-0533-UA Turbulator 2' 150,000 40ft & 50 ft (see Table in STW-JZ I&O Manual) JS-0533-SH Turbulator 4' 60-130 JS-0533-LG Turbulator 10' 60-200 41 90° ELBOW 4": Aluminized Steel...
  • Page 58 TEN YEAR WARRANTY The Manufacturer warrants the burner sub-assembly comprising of ceramic and immediate metal tubing, and the radiat- ing tubes [STW-JZ & IW: aluminized steel] [STW-JZ2 & IW2: stainless steel] (excluding couplings) for a period of ten years (10 years).

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