INSTALLATION / OWNER’S MANUAL SCHWANK GAS FIRED STR SERIES LOW INTENSITY, TUBE-TYPE INFRA RED HEATERS FOR YOUR SAFETY: FIELD CONVERTIBILITY: Do not store or use gasoline or other flammable vapours and liquids in the vicinity of this or any other appliance.
NOTICE: Schwank Inc., reserves the right to make changes to equipment and specifications without obligation or notification. All codes are current at the time of printing. This publication, or parts thereof, may not be reproduced in any form, without prior written consent from Schwank Inc. Unauthorized use or distribution of this publication is strictly prohibited. Schwank Inc. 5285 Bradco Boulevard Mississauga, Ontario, L4W 2A6 phone: (905) 712-4766 fax: (905) 712-8336 Schwank Inc.
STR GARAGE & WORK SHOP INFRA-RED GAS TUBE HEATERS TABLE OF CONTENTS TOPIC PAGE NUMBER 1. GENERAL .............................................. 1 2. INSTALLATION IN GARAGES ... ...... 2 3. PRE-INSTALLATION SURVEY ... ...... 2 TUBE KIT MATRIX ....................... ...... 2 4. MOUNTING CLEARANCES................ 2 5. SYSTEMS INCORPORATING 90 DEGREE BENDS AND 180-DEGREE ELBOWS ......................................... ...... 4 6. SUSPENSION SYSTEM................. ...... 5 7. BURNER AND TUBE INSTALLTION ..
SP-MSTR-AC-11A STR Manual RD: NOV, 2003 RL: 11 KH
SCHWANK GAS INFRA-RED TUBE HEATER STR SERIES INSTALLATION INSTRUCTIONS 1. GENERAL Installation of the Schwank STR Series gas-fired tube heaters must be performed by a qualified, licensed gas fitter and conform to all Schwank heating installation design procedures, including ventilation. All local, provincial and national code requirements must be met, ANSI/NFPA No.
2. INSTALLATION IN GARAGES Schwank STR Series tube heaters are approved for use in garages. The installation must conform to local building codes or, in the absence of local codes, to the standard NFPA No. 54 (ANSI Z223.1 latest edition), in the U.S.A. and the CSA B149.1-00, and CAN1.2.16-M81 in Canada.
FIGURE 1 MINIMUM CLEARANCES TO COMBUSTIBLES TABLE 2 MINIMUM CLEARANCES TO COMBUSTIBLES SUSPENDED AT AN ANGLE UP TO 45 DEGREES MODEL SUSPENDED HORIZONTALLY TOP BEHIND FRONT BELOW TOP SIDE BELOW STR 60 2.0” 1” 17” 34” 1.5” 5.5” 34” STR 45 4.5” 1” 29” 32” 4.5” 8.
5. SYSTEMS INCORPORATING 90O BENDS AND 180O ELBOWS The STR Series radiant tube heater can be installed in configurations as illustrated in FIG: 2 (below) with a maximum of two 90o or one 180o elbow per heater. The use of radiant elbows reduces the total maximum vent allowable. See SECTION 9 (page 11): Flue Venting. Both the 90o and 180o elbows are shipped as a kit with two end-plate hangers to close off the reflector ends each side of the elbow (s).
6. SUSPENSION SYSTEM End plate hangers are provided to support reflectors and tubes at both ends of heater, that is at burner and at flue, See FIG:3 (below), FIGURES:4, 5 and 6 (page 6). Wire hangers are provided to support the reflectors and tubes along the full length between the two end-plate hangers. SEE FIGURES 4, 5, (PAGE 6) and SECTION 7 (page 7). The STR 45-10 DOES NOT require wire hangers, as the reflector is supported at both ends by the end-plate-hangers.
FIGURE 4:/ TYPICAL HANGER AND SUPPORT SPACING RECOMMENDATIONS 4" 3" 11 12 4 9 1 3 6 5 10 7 2 1 8 13 "ALL TUBES MUST BE SUSPENDED BY TWO (2) HANGERS PER 10' LENGTH, MOUNTED APPROXIMATELY 6" TO 12" IN FROM EACH TUBE END.
FIGURE 7 REFLECTOR ARRANGEMENTS FIGURE 8 SUGGESTED MOUNTING HARDWARE EYE BOLT THRU BEAM CLAMP HOLE IN BEAM W/EYE SCREW EYE BOLT THROUGH BEAM CLAMP HOLE IN BEAM WITH EYE SCREW EYE SCREW EYE SCREW PIPE RING OR BAR JOIST CLEVIS CLAMP PIPE RING OR CLEVIS BAR-JOIST CLAMP 7. BURNER AND TUBE INSTALLATION With all hangers suspended at the same height, insert first aluminized tube section through 4" hole in first end-plate hanger and onto wire hanger.
TABLE 4 MODEL TURBULATOR LENGTH STR 60-30 14’ 0” STR 60-20 14’ 0” STR 45-20 5’ 0” STR 45-10 5’ 0” NOTE: Where required, the STR Series Heaters will be supplied with turbulators, factory installed into the end tube (s) of the system configuration. FIGURE 9 BOLTING BURNER TO FLANGED TUBE STR-45 models 1 2 Eye Hook Fifth Nut (Holding Inner Burner to Housing) Do not loosen or Remove. Lock Washers x 4 Burner Flange Adapter Nuts x 4 {Nuts could be shipped c/w lock washers as one piece}.
FIGURE 11 MOUNTING REFLECTOR TO END PLATE HANGER 1 7 2 2 4 1 3 5 4 5 1 6 7 3 End-Plate-Hanger Flange over the Reflector End-Plate-Hanger Flange under the Reflector Screws securing Reflector to End-Plate-Hanger Chain Hole for horizontal suspension Chain Hole for up to 45º suspension Opening for tube Focus-Shield Reflector 7 6 FIGURE 12 PLATE HANGER/ELBOW INSTALLATION 4 4 1 7 6 2 2 3 5 3 5 900 (shown) or 1800 Elbow 6 Tube Couplers 7 “Point at which Swaged Tube is fully inserted into elbo
For 20ft and 30ft lengths reflector slides are provided to support and attach one focus shield reflector to another. Slide focus shield reflector (1) over reflector slide (2), fit focus shield reflector standing edge (3) into reflector slide lip (4). Focus shield reflectors should touch at centre of reflector slide. ( SEE FIG: 13 BELOW) Reflectors must BE FREE To slide due to expansion. Do not hard fasten.
FIGURE 14 REFLECTOR ARRANGEMENTS FIGURE 15 HANGER ARRANGEMENTS 1 ADDITIONAL TUBE(S) 3 4 FIRST TUBE 5 1 Two Wire Hangers per Each Middle Section 2 Use End Plate Hangers at Burner & Flue Ends (& each side of any elbow) 3 End Plate Hanger Flange UNDER Focus Shield 2 Reflector 4 End Plate Hanger Flange OVER Focus Shield Reflector 5 Butt Sight Glass Ring to End Plate Hanger 9. FLUE VENTING The STR series are approved for direct vent applications.
VENTED APPLICATION All venting must be single wall "C" vent except the portion of vent passing through a combustible wall or roof. Type "B" vent may then be used as per CSA requirement. When venting horizontally the flue vent system should slope downwards approximately 1/4" per foot toward the vent terminal, starting at the termination of the radiant tube. For horizontal through the wall venting, the approved Schwank 4” or 6” vent terminal should be used.
As an option two heaters may be vented through an approved common 4" X 4" X 6" flue Tee, (supplied by Schwank Ltd.) with a maximum of two per heaters per Tee. Both of the heaters must then be controlled by one single common thermostat or "ON/OFF" operating switch. All vent pipe used with a slip-fit connection must be mechanically secured.
10. COMBUSTION AIR DUCT Where heater is operated in a negative air condition or in contaminated air atmosphere such as woodworking shops, air for combustion must be ducted from outside to intake flange on burner blower. Combined maximum length of combustion air duct and flue vent is 50' for STR 60 and 45. The total maximum vent allowable is reduced by 10' for every 90o vent elbow installed. For ease of installation, this heater has been provided with a fresh air intake duct hood.
11. GAS SUPPLY INSTALLATION It is recommended that the approved flexible connector supplied by Schwank be installed between the heater and gas piping. FLUE VENT TOP VIEW Air Intake Vent FLANGED TUBE CAUTION: If rigid connection is made, compensation for normal gassupply piping expansion and radiant tube expansion must be provided. All piping must conform to local codes. During any pressure testing of the gas- supply piping system.
TABLE 5 GAS TYPE LINE PRESSURE INCH WATER COLUMN MINIMUM MAXIMUM Natural Gas Propane 5.0 11.0 MANIFOLD PRESSURE INCH WATER COLUMN AT-TAP IN GAS VALVE 14.0 14.0 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 U-tube manometer should be used. 3.5 10.
The voltage at the spark ignition control is 24V. Note that proper functioning of the heater will be adversely affected if the input voltage varies by more than +/-10%. WARNING: The heater must be electrically grounded in accordance with the current Electrical Code. 13. OPERATING SEQUENCE a) Heat Mode 1. On call for heat, relay is energized closing contacts to power up the combustion air fan motor.
c) Flame Failure - Re-ignition 1. If the established flame signal is lost while the burner is operating, the control will respond within 0.8 seconds. The high voltage spark will be energized for a trial for ignition period in an attempt to relight the burner. If the burner does not light, the control will de-energize the gas valve and the control will go into lockout as noted above in "Failure to Light". If flame is re-established, normal operation resumes. 14.
Page 19 SP-MSTR-AC-11A STR Manual RD: NOV, 2003 RL: 11 KH
19. TROUBLE SHOOTING GUIDE for Honeywell S87J-1034 Ignition Control SET THERMOSTAT TO CALL FOR HEAT RELAY CLOSES CHECK THERMOSTAT NO YES CHECK FOR LINE VOLTAGE POWER SUPPLY COMBUSTION AIR BLOWER STARTS NO YES AIR PROVING SWITCH CLOSED.
MAIN BURNER LIGHTS YES • CHECK FOR 25 VAC ACROSS VALVE AND VALVE TERMINALS IN IGNITER AND CAP, IF NO VOLTAGE, REPLACE IGNITION CONTROL • SPARK IGNITER MAY BE OUT OF POSITION CHECK ELECTRICAL CONNECTION BE TWEEN IGNITION CONTROL AND GAS CON TROL, IF OKAY, REPLACE GAS CONTROL NO SPARK STOPS WHEN BURNER LIGHTS YES • NO NOTE: IF IGNITION CONTROL GOES INTO LOCKOUT, RESET SYSTEM CHECK CONTINUITY OF SENSOR CABLE AND GROUND WIRE CHECK THAT BURNER FLAME COVERS ALL ELECTRODES IF CHECKS ARE OKAY, REPLACE IGNITIO
20. 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.
21. START-UP SHEET START UP SHEET INSTALLATION SET-UP AS PER IOM MANUAL AND LOCAL CODES CONTRACTOR NAME: .................................................................................................................. ADDRESS:........................................................................................................................... ................................................................................................................................... CITY:......................
TO BE COMPLETED BY THE LICENSED INSTALLER: LOW INTENSITY START-UP TYPE OF GAS: NG LP DOES BUILDING HAVE A NEGATIVE CONDITION: YES NO IS THIS A HIGH ALTITUDE AREA - (OVER 2000 FT ABOVE SEA LEVEL) YES NO IF HIGH ALTITUDE W HAT IS THE ACTUAL ALTITUDE ABOVE SEA LEVEL FEET DOES ENVIRONMENT REQUIRE FRESH AIR TO BURNER YES NO IS HEATER EXPOSED TO CHEMICAL OR CORROSIVE ATMOSPHERE: YES NO MINIMUM CLEARANCES ARE AS RECOMMENDED IN TABLE 3 YES NO WILL HEATER BE AFFECTED BY OVERHEAD CRANES / VIBRATIO
22.
90 degree Aluminized Steel Elbow Kit* JS-0508-SW (*Kit includes: elbow, coupler, and two end plate hangers) 180 degree Aluminized Steel Elbow Kit* JS-0513-SW (*Kit includes: elbow, coupler, and two end plate hangers) 10’ Tube & Reflector Extension Kit (1-10’ Steel Tube, l-l0’Reflector, 2 Wire Hangers, 1 Coupler, 1 Reflector Stabilizer, 1 Reflector Slide) TS-1010-CX Page 26 SP-MSTR-AC-11A STR Manual RD: NOV, 2003 RL: 11 KH
JL-0798-XX Hanging Chain - (box of 50ft) JA-0587-XX Touch Up Paint - High Temp, 369g aerosol can JA-0780-XX Tube Protection Screen -5 feet long JS-0509-XX-P Side Reflector Extension l0” deep l0ft long Each Page 27 SP-MSTR-AC-11A STR Manual RD: NOV, 2003 RL: 11 KH
SP-MSTR-AC-11A STR Manual RD: NOV, 2003 RL: 11 KH
LIMITED WARRANTY CERTIFICATE FOR GAS-FIRED INFRA-RED LOW INTENSITY TUBE TYPE HEATERS : STSp, STSpWP, STR, STSV 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.
