Schwank P40U Owner's Manual
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Schwank P40U Owner's Manual

Low intensity tube type infra red heaters
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Models
P40U, P40U-F,
P40U-P, P40U-W
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 using an
optional kit supplied by the
manufacturer
&
P40U-IP, P40U-IW
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 #:
(located on heater rating label)
Models
P40U-I, P40U-I-F,
LOW INTENSITY TUBE TYPE
INFRA RED HEATERS
P40U-F / P40U-IF I&O Manual
IM101220
RD: MAR 2014
RL: 4B

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  • Page 1 This appliance is field con- Record for future reference: vertible to LP gas using an Model #: optional kit supplied by the manufacturer Serial #: (located on heater rating label) P40U-F / P40U-IF I&O Manual IM101220 RD: MAR 2014 RL: 4B...
  • Page 2 The Manufacturer. Unauthorized use or distribution of this publication is strictly prohibited. Schwank Group 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

    P40U (-P, -W) / P40U-I (-IP,-IW) SERIES GAS FIRED INFRARED LOW INTENSITY U-TUBE TYPE TABLE OF CONTENTS TOPIC ……...PAGE IMPORTANT INFORMATION - READ FIRST 20. WIRING DIAGRAM: P40U-P, P40U-W ....30 APPLICATION ..........4 21. SEQUENCE OF OPERATION P40U-P, P40U-W..31 HEATER EXPANSION ......5, 31 GAS CONNECTION .......5, 31...

  • Page 4: Application

    Models P40U and P40U-I may be installed for heating of commercial/industrial indoor spaces. Models P40U-P and P40U-IP have a powder coated water resistant burner enclosure and may be installed for heating of commercial / industrial outdoor spaces and wet indoor environ- ments.

  • 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. P40U-F / P40U-IF I&O Manual IM101220 RD: MAR 2014...

  • 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. P40U-F / P40U-IF I&O Manual IM101220 RD: MAR 2014...

  • Page 7: Clearances Figure & Table

    *The clearance to combustible materials represents the minimum distance that must be main- tained between the heater and a nearby surface. The stated clearance to combustibles represents a surface temperature of 90F° (50C°) above room temperature. P40U-F / P40U-IF I&O Manual IM101220 RD: MAR 2014...

  • Page 8: Stacking Height Sign

    24”  Enter the calculated value ‘H’ on the sign 36” For model P40U enter the values for other dimen- 12” sions are: ‘S’ = 24” (61 cm), ‘F’= 36” (91.5 cm) and ‘B’ = 12” (30.5 cm). See Figure 1 and Table 1 Post this sign as instructed above.

  • 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. P40U-F / P40U-IF I&O Manual IM101220 RD: MAR 2014...

  • Page 10: Pre-Installation Survey

    Ensure adequate clearance around the air intake at the burner to allow sufficient combus- tion air supply to the heater. P40U-F / P40U-IF I&O Manual IM101220 RD: MAR 2014 RL: 4B...

  • Page 11: Service Clearance

     It is recommended that Protective Guard JS-0502-UR-GK be installed on any heater mounted with less than 8 feet from floor to bottom of heater (See Accessories - Page 42) P40U-F / P40U-IF I&O Manual IM101220 RD: MAR 2014 RL: 4B...

  • Page 12: Heater Installation

    Refer to Figures on next pages for figures and dimensions to assist in installation. 1. Establish the location and install the structural mounting supports and any suspension hard- ware (chain, etc) prior to removing heater from the carton P40U-F / P40U-IF I&O Manual IM101220 RD: MAR 2014...

  • Page 13: Fig 3 - Typical Mounting Hardware

    If rigid hardware such as 3/8” threaded rod is used for suspension, swing joints or other means must be provided to allow for system expansion - approximately ½ inch for P40U. 3. P40U Models are packaged with the burner assembled to the tube system at the factory. For many applications a pre-assembled heater simplifies installation.

  • Page 14: Fig 4 - Typical Suspension

    FIGURE 5 HEATER DIMENSIONS & SUSPENSION ANGLE OPTIONS Turbulators (factory installed): Burner side tube: 36” (914 mm) Vent side tube: 90” (2286 mm) Vent side always upper Burner always horizontal P40U-F / P40U-IF I&O Manual IM101220 RD: MAR 2014 RL: 4B...

  • Page 15: Turbulators

    FIGURE 6 P40U MINIMUM CLEARANCES TO COMBUSTIBLES It is the installer’s responsibility to ensure that building materials with a low heat toler- ance which may degrade at lower temperatures are protected to prevent degradation. Examples of low heat tolerance materials include vinyl siding, fabrics, some plastics, filmy ma- terials, coatings, laminated surfaces, etc.

  • Page 16: 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: Flue Venting

    As an Option, two heaters may be vented through an approved common 4" x 4" x 6" Vent Tee (10 x 10 x 15 cm), supplied by the manufacturer. Vent pipe from each heater does not P40U-F / P40U-IF I&O Manual IM101220...

  • Page 18: Fig 9 - Heater Expansion - Vent

    The flue vent system must slope downwards approximately 1/4" per foot (63 mm / 300 mm) toward the vent terminal, from the termination of the tube - radiant tube must be level. continued …….. P40U-F / P40U-IF I&O Manual IM101220 RD: MAR 2014...
  • Page 19  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) P40U-F / P40U-IF I&O Manual IM101220 RD: MAR 2014 RL: 4B...

  • Page 20: Combustion Air Ducting

    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. continued ... P40U-F / P40U-IF I&O Manual IM101220 RD: MAR 2014 RL: 4B...

  • Page 21: Gas Supply & Connection

    The supply system should be checked first with heater turned “OFF” followed by another check with heater turned “ON”. P40U-F / P40U-IF I&O Manual IM101220 RD: MAR 2014 RL: 4B...

  • Page 22: Orientation Of Flexible Gas Connection

    It is the responsibility of the installer to ensure correct installation of the flexible gas connector. FIGURE 12 SEE ALSO NEXT PAGE P40U-F / P40U-IF I&O Manual IM101220 RD: MAR 2014 RL: 4B...

  • Page 23: Gas Conversion

    Natural Gas and Propane Gas can be accomplished using field conversion kits avail- able from you local Schwank or InfraSave supplier:  Part number: JS-0555-XB P40U* - Natural Gas to Propane Gas Conversion Kit  Part number: JS-0555-XA P40U* - Propane Gas to Natural Gas Conversion Kit\ * All models: Schwank P40U, P40U-P, P40U-W;...

  • Page 24: 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. P40U-F / P40U-IF I&O Manual IM101220 RD: MAR 2014 RL: 4B...

  • Page 25: Models P40U, P40U-I

    18. FENWAL DSI: WIRING DIAGRAM: 24V OR 120 VOLT THERMOSTAT OPERATION SINGLE HEATER PER THERMOSTAT (Multiple Heaters per Thermostat—next page) OTHER DSI’s: MODELS P40U-P,-W - MICRO 50N - PAGE 31; HONEYWELL S87J - PAGES 59 - 61 P40U-F / P40U-IF I&O Manual...

  • Page 26: 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. P40U-F / P40U-IF I&O Manual IM101220 RD: MAR 2014...

  • Page 27: Fenwal Dsi Operat6Ion

    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 be- gin with the pre-purge period. P40U-F / P40U-IF I&O Manual IM101220 RD: MAR 2014...
  • Page 28 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 (More Detail Page 32). P40U-F / P40U-IF I&O Manual IM101220 RD: MAR 2014...
  • Page 29 A. Bad electrode 6. Flame ok during TFI, no B. Bad HV igniter wire C. Poor ground at burner flame sense (after TFI) D. Poor flame (check flame current) P40U-F / P40U-IF I&O Manual IM101220 RD: MAR 2014 RL: 4B...

  • Page 30: Wiring Diagram: P40U-P, P40U-W

    WIRING DIAGRAM: 24V OR 120 VOLT THERMOSTAT P40U-P, P40U-W SINGLE HEATER PER THERMOSTAT Models P40U, -I …. Page 25 Multiple Heaters/Thermostat … Page 26 Maximum Power Draw = 21VA Each tube heater requires 120V, 60 HZ electrical power sized for 145VA. The heater includes a 24V/120V relay switch .

  • Page 31: Sequence Of Operation P40U-P, P40U-W

    21. P40U-P (-IP), P40U-W (-IW) SEQUENCE OF OPERATION GASLITER 50N (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 32: Gasliter Micro 50N Dsi

    22. IGNITION CONTROL: MODELS P40U-P, -W (-IP, -IW) - GASLITER MICRO 50N The MICRO 50N is a microprocessor-based DSI (Direct Spark Ignition) control which continu- ously monitors the burner to ensure safe operation under all conditions. The MICRO 50N DSI Control includes specified purge and trial times, multiple ignition attempts, a diagnostic alarm output, and automatic recycle on soft lockout.
  • Page 33 If an internal fault is detected within the unit, the unit will enter the hard lockout mode. System or External Fault - Hard Lockout Mode If the unit detects a system fault or an external fault, the unit enters the hard lockout mode. P40U-F / P40U-IF I&O Manual IM101220 RD: MAR 2014...

  • Page 34: Spark Igniter Set Up

    “booklet” format 8.5” x 11” (pages folded in half) then use these bars ADJUST 1/4” 3/16” IF this manual is printed 8.5” x 11” “full page” format use these bars P40U-F / P40U-IF I&O Manual IM101220 RD: MAR 2014 RL: 4B...

  • Page 35: Troubleshooting Guide

    24V TO GAS VALVE - RED LIGHT  IF “YES” ... TAKE PROTECTIVE ACTION TO SHIELD CABLE AND BOOT FROM EXCES- SIVE TEMPERATURE; REPLACE ANY DE- CONTINUED FECTIVE COMPONENT P40U-F / P40U-IF I&O Manual IM101220 RD: MAR 2014 RL: 4B...
  • Page 36  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 ALSO SEE FENWAL DSI P40U-F / P40U-IF I&O Manual IM101220 RD: MAR 2014 RL: 4B...

  • Page 37: 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. P40U-F / P40U-IF I&O Manual IM101220 RD: MAR 2014...
  • Page 38 IF INSTALLED..IS TURBULATOR AT FLUE END OF SYSTEM “MAXIMUM STACKING HEIGHT” SIGN(S) - POSTED AT THERMOSTAT(S) THIS HEATER MUST BE ELECTRICALLY GOUNDED 1-866-361-0523 1-877-446-3727 FAX COMPLETED REPORT TO TECHNICAL SERVICES: FAX , VOICE P40U-F / P40U-IF I&O Manual IM101220 RD: MAR 2014 RL: 4B...

  • Page 39: Product Dimensions & Data 26. Heater Dimensions / Weights

    Weight: 26 pounds (11.8 kg)  Dimensions: P40U: 16” L x 10.25” W x 10.75” H (406 mm x 260 mm x 273 mm) P40U-P,-W: 20” L x 10.25” W x 10.25” H (406 mm x 260 mm x 260 mm) Tube Reflector System: ...

  • Page 40: 27. High Altitude & Orifice Chart

    JS-0752-DM * Field Conversion Kit required to convert between fuel gas types:  Part number: JS-0555-XB P40U - Natural Gas to Propane Gas Conversion Kit  Part number: JS-0555-XA P40U - Propane Gas to Natural Gas Conversion Kit P40U-F / P40U-IF I&O Manual...

  • Page 41: Optional Accessories

    JA- 0514-XX (2 couplers optional) Clearance Sign - Metal 18” x 6” JL-0798-CS - Required in some jurisdictions:  Vehicle service garages  3/4” high red lettering on white background P40U-F / P40U-IF I&O Manual IM101220 RD: MAR 2014 RL: 4B...

  • Page 42: Im101220 Rd: Mar

    Low Voltage Digital Thermostat (24 Volts - °F or °C selectable) JS-0569-WR Not for use in corrosive or wet environments For P40U-P, -W, -IP, -IW: Wet Environments Moisture Proof Thermostat - NEMA 4X SPDT Line Voltage 40° - 110°F (5° - 40°C) Both °F &...
  • Page 43 Step 2: On the side of the reflector that remains securely fastened to the hangers, insert a pin located at the end of the Protective Guard into one of the 1/8” round holes located at the center of the reflector, Fig. 2  P40U-F / P40U-IF I&O Manual IM101220 RD: MAR 2014 Fig.
  • Page 44 STEP 7: To secure the guard in place bend the end pins of each guard section sideways and towards each other, Fig. 10 & 11. The center pin does not require bending.   P40U-F / P40U-IF I&O Manual IM101220 RD: MAR 2014...

  • Page 45: Replacement Parts List

    COMBUSTION AIR PROVING JS-0576-UG Air Proving Switch 1.00" WC SWITCH JS-0577-RR Blocked Flue Switch 0.46" WC BLOCKED FLUE PROVING SWITCH JS-0572-SE Tubing set 2 x 20" PVC SE PRESSURE SWITCH TUBING P40U-F / P40U-IF I&O Manual IM101220 RD: MAR 2014 RL: 4B...
  • Page 46 JA-0568-KT 27 IGNITION CABLE JS-0518-SA Hi voltage wire (24") STW - 2 x 1/4" Spades Burners with HONEYWELL S87-J IGNITION CONTROL - Models: P40U; P40U-I DISCONTINUED - NO LONGER AVAILABLE 22 HONEYWELL IGNITION CONTROL JA-0568-XX Fenwal Control + Wire Harness + Cable + Igniter...
  • Page 47 P40U TUBE / REFLECTOR SYSTEM - ALL MODELS JS-0536-XX Sight glass assembly - tube heater SIGHT GLASS ASSEMBLY JA-0571-KT Spark Igniter & Gasket Kit IGNITER KIT JS-0502-UV Positions tube in hanger / reflector system TUBE FASTENING BRACKET JA-0501-UT Preformed U-Tube: 17 ft tube length...

  • Page 48: Honeywell S87J Dsi Wiring Diagram - S87J

    24V OR 120 VOLT THERMOSTAT P40U, P40U-I HONEYWELL S87-J WIRING DIAGRAM Models P40U-P, -W …. Next Page SINGLE HEATER PER THERMOSTAT Multiple Heaters/Thermostat … Page 27 Each tube heater requires 120V, 60 HZ electrical power sized for 145VA. The heater includes a 24V/120V relay switch .

  • Page 49: Sequence Of Operation - S87J

    HONEYWELL S87J: MODELS P40U, P40U-I SEQUENCE OF OPERATION The S87 ignition control module is powered by a 24v transformer and activated when the ther- mostat calls for heat. On every call for heat the S87J will delay start-up to provide a 30 second system pre-purge.

  • Page 50: Flame Sensing Circuit - S87J

    HONEYWELL S87 DSI: MODELS P40U (-I) - FLAME SENSING CIRCUIT The output of the flame sensing circuit cannot be checked directly on the S87 body. Check the flame sensing circuit directly by checking the flame sensing current from the sensor to the S87 as follows.

  • Page 51: P40U-F / P40U-If I&O Manual

    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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