Schwank STS-JZ Installation & Owner's Manual

Low intensity tube type infra red heaters

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Model
STS-JZ
LOW INTENSITY TUBE TYPE
INFRA RED HEATERS
THESE HEATER SERIES ARE APPROVED TO ANSI Z83.20-2016/CSA 2.34-2016
INSTALLATION / OWNER'S MANUAL
Improper installation, adjustment, alteration, service or maintenance can
WARNING
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 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
&
LOW INTENSITY TUBE TYPE
Keep this manual in a secure place .
Record for future reference:
Model #:
Serial #:
(located on heater rating label)
Model
IQ
INFRA RED HEATERS
STS-JZ-F / IQ-F I&O Manual Z83.20-2016
IM101220
RD: APR 2019
RL: 20C

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Summary of Contents for Schwank STS-JZ

  • Page 1 If your gas supplier is not available, call the fire department ◼ Keep this manual in a secure place . Record for future reference: Model #: Serial #: (located on heater rating label) STS-JZ-F / IQ-F I&O Manual Z83.20-2016 IM101220 RD: APR 2019 RL: 20C...
  • Page 2 Schwank Group - Schwank and InfraSave 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 www.infrasave.com STS-JZ-F / IQ-F I&O Manual Z83.20-2016 IM101220 RD: APR 2019 RL: 20C...
  • Page 3: Table Of Contents

    FLEXIBLE GAS CONNECTION ....23 - 24 12. ELECTRICAL AND THERMOSTAT ....25 13. HIGH ALTITUDE INSTALLATION ....25 14. LIGHTING INSTRUCTIONS ......25 15. RECOMMENDED MAINTENANCE ....25 STS-JZ-F / IQ-F I&O Manual Z83.20-2016 IM101220 RD: APR 2019 RL: 20C...
  • Page 4: Application

    In case of discrepancy, the latest codes, standards, and installation manual will take pri- ority over prior releases. Models STS-JZ and IQ may be installed for heating of commercial / industrial non-residential indoor spaces. MODELS AVAILABLE FOR OTHER APPLICATIONS:...
  • Page 5: Heater Expansion

    5° to 7°F (3° to 5°C) lower than the desired comfort temperature. Some trial and error setting may be required to ‘fine tune’ the comfort tem- perature that best suits your site and provides most economical operation. STS-JZ-F / IQ-F I&O Manual Z83.20-2016 IM101220 RD: APR 2019...
  • Page 6: Tube 'Glow

    Refer to Figure 1 and Table 1 for the certified clearances to combustibles for the appro- priate model input/size. STS-JZ-F / IQ-F I&O Manual Z83.20-2016 IM101220 RD: APR 2019...
  • Page 7: Clearances Figure & Table

    HORIZONTALLY inches (cm) inches (cm) inches (cm) inches (cm) inches (cm) inches (cm) inches (cm) STS-JZ / IQ 200 13 (33) 6 (15.2) 74 (188) 70 (178) 14 (36) 44 (112) 76 (193) STS-JZ / IQ 175 12 (31) 6 (15.2)
  • 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. STS-JZ-F / IQ-F I&O Manual Z83.20-2016 IM101220 RD: APR 2019 RL: 20C...
  • 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. STS-JZ-F / IQ-F I&O Manual Z83.20-2016 IM101220 RD: APR 2019...
  • 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. STS-JZ-F / IQ-F I&O Manual Z83.20-2016 IM101220 RD: APR 2019...
  • 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 STS-JZ-F / IQ-F I&O Manual Z83.20-2016 IM101220 RD: APR 2019 RL: 20C...
  • Page 12: Heater Placement Guidelines

    Examples of low heat tolerance materials in- clude 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. STS-JZ-F / IQ-F I&O Manual Z83.20-2016 IM101220 RD: APR 2019 RL: 20C...
  • Page 13: Turbulator Length & Location

    40” + 72” NG ONLY 175 x 70 40” + 72” NG ONLY 200 x 50 40” + 72” NG or Propane 200 x 60/70 40” + 72” STS-JZ-F / IQ-F I&O Manual Z83.20-2016 IM101220 RD: APR 2019 RL: 20C...
  • Page 14: Turbulator Illustration

    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. STS-JZ-F / IQ-F I&O Manual Z83.20-2016 IM101220 RD: APR 2019 RL: 20C...
  • Page 15: Flue Venting

    1/4” plastic hose from the tee be- tween the switches to outside of building. All approved vent pipe, connectors, and adapters are supplied locally by others according to ◼ STS-JZ-F / IQ-F I&O Manual Z83.20-2016 IM101220 RD: APR 2019 RL: 20C...
  • Page 16: Min./Max. System Lengths

    Certification and the heater warranty. Do not exceed the Maximum Combined System Length regardless of the allowed maximum ◼ length of individual vent or combustion air duct. STS-JZ-F / IQ-F I&O Manual Z83.20-2016 IM101220 RD: APR 2019 RL: 20C...
  • Page 17: Heater Expansion & Vent Config

    For vertical vent only, two heaters can be commonly vented using 4”x 6”x 4” Vent Tee JA- 0514-XX. Both heaters must be operated using one common thermostat. Common vent is 6 inch [150 mm] di- ameter. Category III (horizontal vent) heaters cannot be common vented. STS-JZ-F / IQ-F I&O Manual Z83.20-2016 IM101220 RD: APR 2019 RL: 20C...
  • Page 18: Vertical Venting Category I

    When an existing Category I heater is removed or replaced, the original venting system may ◼ no longer be sized to properly vent the attached appliances. Improperly sized venting sys- tems can result in vent gas leakage or condensation. STS-JZ-F / IQ-F I&O Manual Z83.20-2016 IM101220 RD: APR 2019 RL: 20C...
  • Page 19: Horizontal Venting Category Iii

    All vent pipe, adapters, thimbles, supplied locally by others. ◼ Specific requirements for horizontal vent in the USA and Canada are on the next page. STS-JZ-F / IQ-F I&O Manual Z83.20-2016 IM101220 RD: APR 2019 RL: 20C...
  • Page 20 • 12 inches [305 mm] for inputs up to and including 100,000 Btuh (30 kW). • 3 ft [915 mm] for inputs exceeding 100,000 Btuh (30 kW). FIGURE 6: HORIZONTAL VENT THROUGH WALL STS-JZ-F / IQ-F I&O Manual Z83.20-2016 IM101220 RD: APR 2019...
  • Page 21: Combustion Air Duct

    Fire Mar- shall and Department of Labor for possible contaminants and any conflict with the installation of hot surface heating equipment. STS-JZ-F / IQ-F I&O Manual Z83.20-2016 IM101220 RD: APR 2019...
  • Page 22: Gas Supply / Heater Expansion

    TABLE 5: GAS SUPPLY AND MANIFOLD PRESSURES LINE PRESSURE MANIFOLD PRESSURE INCHES WATER COLUMN GAS TYPE (tap at gas valve outlet) INCHES WATER COLUMN MINIMUM MAXIMUM Natural Gas 14.0 Propane 11.0 14.0 10.0 STS-JZ-F / IQ-F I&O Manual Z83.20-2016 IM101220 RD: APR 2019 RL: 20C...
  • Page 23: Flexible Gas Connection

    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 STS-JZ-F / IQ-F I&O Manual Z83.20-2016 IM101220 RD: APR 2019 RL: 20C...
  • Page 24 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. STS-JZ-F / IQ-F I&O Manual Z83.20-2016 IM101220 RD: APR 2019...
  • Page 25: 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 THE MANUFACTURER. STS-JZ-F / IQ-F I&O Manual Z83.20-2016 IM101220 RD: APR 2019 RL: 20C...
  • Page 26: Suspending The System - General

    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. STS-JZ-F / IQ-F I&O Manual Z83.20-2016 IM101220 RD: APR 2019 RL: 20C...
  • Page 27 7. Webbed Hanger 8. Hanging Chains The distance between the 9. Focus Shield Reflector tube flange and face of 10. Reflector Stabilizer the plate hanger must be 4.5” (11.4 cm) STS-JZ-F / IQ-F I&O Manual Z83.20-2016 IM101220 RD: APR 2019 RL: 20C...
  • Page 28 Reflector 2. Reflectors 5. 90° Tube Elbow 3. Webbed-Hanger Flange UNDER Reflector 6. Tube/Elbow Coupler FIGURE 13 HANGER / REFLECTOR ORIENTATION HORIZONTAL TO 45 STS-JZ-F / IQ-F I&O Manual Z83.20-2016 IM101220 RD: APR 2019 RL: 20C...
  • Page 29: 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 STS-JZ-F / IQ-F I&O Manual Z83.20-2016 IM101220 RD: APR 2019 RL: 20C...
  • Page 30 (Not to be reversed) Place the reflector over the plate hang- ers. Secure reflector to hangers with sheet metal screws provided. STS-JZ-F / IQ-F I&O Manual Z83.20-2016 IM101220 RD: APR 2019 RL: 20C...
  • Page 31 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. STS-JZ-F / IQ-F I&O Manual Z83.20-2016 IM101220 RD: APR 2019 RL: 20C...
  • Page 32 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 STS-JZ-F / IQ-F I&O Manual Z83.20-2016 IM101220 RD: APR 2019 RL: 20C...
  • Page 33: Burner & Tube Installation

    “Suspending the System ”, and the following section of “IMPORTANT SPECIAL NOTES”. IMPORTANT SPECIAL NOTES: READ FIRST 1. STS-JZ/IQ 100 x 20 ft: Special Tube Coupling - Refer to Section 9.1, Fig 15 2. STS-JZ/IQ 175 & 200: Special Tube Coupling - Refer to Section 9.2, Fig 16 These firing rates have an unpainted titanium alloy stainless steel first tube with a flange (painted “white”), and an unpainted aluminized steel tube as the second tube;...
  • Page 34 11. Mount the Burner to the first tube flange using the four nuts and bolts provided (FIG 17) a) Insert two bolts through top holes in burner flange Continued ….. STS-JZ-F / IQ-F I&O Manual Z83.20-2016 IM101220 RD: APR 2019...
  • Page 35 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) STS-JZ-F / IQ-F I&O Manual Z83.20-2016 IM101220 RD: APR 2019...
  • Page 36 This will result in the best performance and radi- ant output from the system. STS-JZ-F / IQ-F I&O Manual Z83.20-2016 IM101220 RD: APR 2019 RL: 20C...
  • Page 37: Special Coupling - 100, 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 STS-JZ-F / IQ-F I&O Manual Z83.20-2016 IM101220 RD: APR 2019 RL: 20C...
  • Page 38: 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 STS-JZ-F / IQ-F I&O Manual Z83.20-2016 IM101220 RD: APR 2019 RL: 20C...
  • Page 39 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 STS-JZ-F / IQ-F I&O Manual Z83.20-2016 IM101220 RD: APR 2019...
  • Page 40: 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 41: Wiring Diagram: Fenwal Dsi

    SINGLE HEATER PER THERMOSTAT (Multiple Heaters per Thermostat—next page) SINGLE HEATER PER THERMOSTAT (Multiple Heaters per Thermostat—next page) OTHER DSI’s: HONEYWELL S87J - PAGES 61 - 62; CHANNEL MICRO 50N - PAGES 63 - 65 STS-JZ-F / IQ-F I&O Manual Z83.20-2016 IM101220 RD: APR 2019...
  • Page 42: 21-A. Wiring Diagram Multiple Heaters Per Thermostat

    21-A. MULTIPLE TUBE HEATERS per 24VAC THERMOSTAT (Fenwal DSI) STS-JZ-F / IQ-F I&O Manual Z83.20-2016 IM101220 RD: APR 2019 RL: 20C...
  • Page 43: Sequence Of Operation : Fenwal Dsi

    If proper air flow is not detected after 30 seconds an air flow fault signal will be declared. If proper air flow is detected at any time, a normal sequence will begin with the pre-purge period. STS-JZ-F / IQ-F I&O Manual Z83.20-2016 IM101220 RD: APR 2019...
  • Page 44 Electrodes should have a gap spacing of 3/16” (0.188” ± 0.031” or 4.76 mm ± 0.81 mm). If this spacing is not correct, the assembly must be adjusted or replaced. DO NOT adjust the curved igniter/sensor prong. Adjust/bend only the ground prong (also see next page). STS-JZ-F / IQ-F I&O Manual Z83.20-2016 IM101220 RD: APR 2019...
  • Page 45: Spark Igniter Set Up

    Meter should read 0.7 µA or higher. If the me- ter reads below “0” on scale, meter leads are reversed. Disconnect power and reconnect meter leads for proper polarity. STS-JZ-F / IQ-F I&O Manual Z83.20-2016 IM101220 RD: APR 2019 RL: 20C...
  • Page 46: 23. Troubleshooting Guide - Fenwal Dsi

    A. Bad electrode 6. Flame ok during TFI, no B. Bad HV igniter wire flame sense (after TFI) C. Poor ground at burner D. Poor flame (check flame current) STS-JZ-F / IQ-F I&O Manual Z83.20-2016 IM101220 RD: APR 2019 RL: 20C...
  • Page 47: Troubleshooting Guide : Heater

    • CHECK FOR AND REMEDY ANY OBSTRUCTION IN THE VENT / TUBE • 24V IS PRESENT AT “TH” TERMINAL, BUT NO CONTINUED AMBER LIGHT … REPLACE AMBER LIGHT STS-JZ-F / IQ-F I&O Manual Z83.20-2016 IM101220 RD: APR 2019 RL: 20C...
  • Page 48 • CONFIRM VENT AND TOTAL SYSTEM LENGTHS ARE WITHIN SPECIFICATIONS • CONFIRM CORRECT TURBULATOR SIZE & PLACE- MENT • IF SWITCH OPENS BELOW SET POINT, REPLACE CONTINUED SWITCH STS-JZ-F / IQ-F I&O Manual Z83.20-2016 IM101220 RD: APR 2019 RL: 20C...
  • Page 49: Start- Up / Commissioning Sheet

    VALVE LEAD AT CONTROL , • IF VALVE CLOSES, RECHECK THE TEMPERATURE CONTROLLER AND WIRING • IF VALVE STAYS OPEN..REPLACE GAS VALVE TROUBLESHOOTING ENDS ALSO SEE FENWAL DSI SECTIONS 20 & 21 STS-JZ-F / IQ-F I&O Manual Z83.20-2016 IM101220 RD: APR 2019 RL: 20C...
  • Page 50 “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. STS-JZ-F / IQ-F I&O Manual Z83.20-2016 IM101220 RD: APR 2019...
  • Page 51 1-866-361-0523 1-877-446-3727 FAX COMPLETED REPORT TO TECHNICAL SERVICES: FAX , VOICE STS-JZ-F / IQ-F I&O Manual Z83.20-2016 IM101220 RD: APR 2019 RL: 20C...
  • Page 52 • 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 25 BURNER DIMENSIONS STS-JZ-F / IQ-F I&O Manual Z83.20-2016 IM101220 RD: APR 2019 RL: 20C...
  • Page 53 ; 2113 cm 30’ 30’-7 3/4” ; 367 3/4” 934 cm 40’ 40’-3 3/4” ; 483 3/4” ; 1229 cm FIGURE 27 HANGER / REFLECTOR ORIENTATION HORIZONTAL TO 45 STS-JZ-F / IQ-F I&O Manual Z83.20-2016 IM101220 RD: APR 2019 RL: 20C...
  • Page 54: 27. Burner / Tube Kit Assembly Chart

    27. BURNER & TUBE KIT ASSEMBLY CHART MODELS STS-JZ / IQ MODELS STS-JZ & IQ are approved for indoor commercial / industrial non-residential applica- tions. For outdoor, wet and harsh environment applications refer to models SPW-JZ / IWP (powder coated burner box) and/or STW-JZ / IW (stainless steel burner box).
  • Page 55: High Altitude & Orifice Chart

    50 ft 40 ft Max. Allowed 80 ft 150,000 Additional 20’ for 5” Ø Air Duct 175,000 & 100 ft 120 ft 30 ft 50 ft 50 ft 200,000 STS-JZ-F / IQ-F I&O Manual Z83.20-2016 IM101220 RD: APR 2019 RL: 20C...
  • Page 56 JS-0771-MM JS-0770-MM 19 DMS 20 DMS 20 DMS 21 DMS 22 DMS 23 DMS 25 DMS 26 DMS 200,000 Propane JS-0719-DM JS-0720-DM JS-0720-DM JS-0721-DM JS-0722-DM JS-0723-DM JS-0725-DM JS-0726-DM STS-JZ-F / IQ-F I&O Manual Z83.20-2016 IM101220 RD: APR 2019 RL: 20C...
  • Page 57: 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) STS-JZ-F / IQ-F I&O Manual Z83.20-2016 IM101220 RD: APR 2019 RL: 20C...
  • Page 58 JS-0508-JZ - Aluminized Steel *Kit includes: 1. elbow, 2. tube coupler, 3. reflector end cap, 4 screws, 5. reflector cap. See dimensions below For 180 degree elbow applications STS-JZ-F / IQ-F I&O Manual Z83.20-2016 IM101220 RD: APR 2019 RL: 20C...
  • Page 59 NOTE: FENWAL DSI has built in relay for blower operation 24 Volt Option: Control Center JM-0303 –KT Use when Multiple Tube Heaters are controlled by a single 24V Thermostat or TruTemp (for field mounting) STS-JZ-F / IQ-F I&O Manual Z83.20-2016 IM101220 RD: APR 2019 RL: 20C...
  • Page 60 JS-0508-SM, or use Model S100U / ITBU Side Reflector Extension Kit- JS-0509-KT l0” deep, l0 ft long Each Tube Protection Screen JA-0780-XS -5 foot lengths For Builder Model STS-JZ-F / IQ-F I&O Manual Z83.20-2016 IM101220 RD: APR 2019 RL: 20C...
  • Page 61: Burner Parts List

    LP; -FB JS-0738-DM Gas orifice low intensity HTR 36 DMS JS-0736-DM Gas orifice low intensity HTR 17 DMS NG; -FB JS-0717-DM Gas orifice low intensity HTR 18 DMS JS-0718-DM STS-JZ-F / IQ-F I&O Manual Z83.20-2016 IM101220 RD: APR 2019 RL: 20C...
  • Page 62 Air proving Switch 0.30" WC JS-0576-YY Air proving Switch 0.70" WC JS-0575-UL Air proving Switch 0.48" WC JS-0576-XX Air proving Switch 0.65" WC JS-0575-YY Air proving Switch 0.90" WC JS-0575-ZB STS-JZ-F / IQ-F I&O Manual Z83.20-2016 IM101220 RD: APR 2019 RL: 20C...
  • Page 63 Fenwal Control + Wire Harness + Cable + Igniter: JA-0567-RK REPLACEMENT KIT: FENWAL replaces S87J Replaces S87J JS-0518-XX Wire high voltage (24") S87J Bullet Connection IGNITION CABLE HONEYWELL S87J STS-JZ-F / IQ-F I&O Manual Z83.20-2016 IM101220 RD: APR 2019 RL: 20C...
  • Page 64: Tube System Parts List

    JA-0516-SW 4" swaged tube coupler torctite JA-0503-US 90 degree elbow Reflector Cap JA-0528-XX 4" horizontal wall vent terminal HORIZONTAL VENT TERMINATION OPTIONAL Refer to Cur- COMPLETE TUBE KITS rent Price List STS-JZ-F / IQ-F I&O Manual Z83.20-2016 IM101220 RD: APR 2019 RL: 20C...
  • Page 65 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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