Roberts Gorden NDUSTRIA NHE Series Installation, Operation & Service Manual
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Roberts Gorden NDUSTRIA NHE Series Installation, Operation & Service Manual

Gas-fired, low intensity unitary heater for harsh environments
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FOR YOUR SAFETY
If you smell gas:
1. Open windows.
2. DO NOT try to light any appliance.
3. DO NOT use electrical switches.
4. DO NOT use any telephone in
your building.
5. Extinguish any open flame.
6. Leave the building.
7. Immediately call your local gas
supplier after leaving the building.
Follow the gas supplier's
instructions.
8. If you cannot reach your gas
supplier, call the Fire Department.
WARNING
Fire Hazard
Keep all flammable objects, liquids and
vapors the minimum required clear-
ances to combustibles away from
heater.
Some objects will catch fire or explode
when placed close to heater.
Failure to follow these instructions can
result in death, injury or property
damage.
WARNING
Improper installation, adjustment, alteration, service
or maintenance can result in death, injury or
property damage. Read the Installation, Operation
and Service Manual thoroughly before installing or
servicing this equipment.
Installation must be done by a contractor qualified
in the installation and service of gas-fired heating
equipment or your gas supplier.
© 2021 Ndustria
Model NHE
Gas-Fired, Low Intensity
Unitary Heater for Harsh
Installation, Operation &
Please take the time to read and understand
these instructions prior to any installation.
Installer must give a copy of this manual to the owner.
Keep this manual in a safe place in order to provide
your service technician with necessary information.
NDUSTRIA
100 Seven Mile Rd NW
Comstock Park, MI 49321
Telephone: +1.716.551.7900
www.ndustria.com
Environments
Service Manual
NHE-40
NHE-60
NHE-80
NHE-100
NHE-125
NHE-150
NHE-175
Installer
Owner
P/N N138100NA Rev A 8/21

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Summary of Contents for Roberts Gorden NDUSTRIA NHE Series

  • Page 1 FOR YOUR SAFETY If you smell gas: 1. Open windows. 2. DO NOT try to light any appliance. 3. DO NOT use electrical switches. 4. DO NOT use any telephone in your building. Model NHE 5. Extinguish any open flame. 6.

  • Page 3: Table Of Contents

    TABLE OF CONTENTS SECTION 1: Heater Safety ............1 10.3 Low Voltage Thermostat Wiring with 1.1 Manpower Requirements ..........1 Multiple Burners ............61 1.2 Safety Labels and Their Placement......1 10.4 Internal Wiring............61 1.3 California Proposition 65 ..........1 10.5 Ladder Diagram ............

  • Page 5: Section 1: Heater Safety

    SECTION 1: H EATER AFETY SECTION 1: HEATER SAFETY 1.1 Manpower Requirements Your Safety is Important to Us! To prevent personal injury and damage to the heater, This symbol is used throughout two persons will be required for installation. the manual to notify you of possi- ble fire, electrical or burn hazards.
  • Page 6 NHE-S ERIES NSTALLATION PERATION AND ERVICE ANUAL FIGURE 1: Serial Number Identification Chart Numerical sequence Manufactured Numerical of units manufactured for Year Model Number the month of the given product Manufactured Burner Maximum Month Firing Rate (MBH) 2103-038-150-0456 Serial numbers are located on both the burner shipping carton and the data plate. Each burner will have a unique 14-digit serial number used for identification purposes to allow the lookup of various items such as manufacture test records, replacement part identification, and manufactured date.

  • Page 7: Section 2: Installer Responsibility

    SECTION 2: I NSTALLER ESPONSIBILITY SECTION 2: INSTALLER RESPONSIBILITY on the burner and in the Installation, Operation and Service Manual. See Page 4, Figure 2 through Page The installer is responsible for the following: 7 , Figure 11. Write the proper clearance dimensions in •...
  • Page 8 NHE-S ERIES NSTALLATION PERATION AND ERVICE ANUAL SECTION 3: CLEARANCES TO COMBUSTIBLES WARNING 3.1 Required Clearances to Combustibles Clearances are the required distances that combusti- ble objects must be away from the heater to prevent serious fire hazards. Combustibles are materials that may catch on fire and include common items such as wood, paper, rubber, fabric, etc.
  • Page 9 SECTION 3: C LEARANCES TO OMBUSTIBLES NOTE: 1. All dimensions are from the surfaces of all tubes, couplings and elbows. 2. Clearances B, C and D can be reduced by 50% after 25' (7.5 m) of tubing downstream from where the burner and burner tube connect. FIGURE 3: LEVEL SIDE REFLECTOR (inches) (centimeters)
  • Page 10 NHE-S ERIES NSTALLATION PERATION AND ERVICE ANUAL NOTE: 1. All dimensions are from the surfaces of all tubes, couplings and elbows. 2. Clearances B, C and D can be reduced by 50% after 25' (7.5 m) of tubing downstream from where the burner and burner tube connect. FIGURE 6: U-TUBE, LEVEL REFLECTOR (inches) (centimeters)
  • Page 11 SECTION 3: C LEARANCES TO OMBUSTIBLES NOTE: 1. All dimensions are from the surfaces of all tubes, couplings and elbows. 2. Clearances B, C and D can be reduced by 50% after 25' (7.5 m) of tubing downstream from where the burner and burner tube connect. FIGURE 9: 2-FOOT DECO GRILLE AND PROTECTIVE GRILLE (inches) (centimeters)

  • Page 12: National Standards And Applicable Codes

    NHE-S ERIES NSTALLATION PERATION AND ERVICE ANUAL SECTION 4: NATIONAL STANDARDS AND APPLICABLE CODES 4.1 Gas Codes 4.3 Public Garages The type of gas appearing on the nameplate must be the type of gas used. Installation must Installation in garages must be in accordance comply with national and local codes and with the following codes: requirements of the local gas company.

  • Page 13: Section 5: Major Components

    SECTION 5: M AJOR OMPONENTS SECTION 5: MAJOR COMPONENTS FIGURE 12: Major Component Descriptions Burner with Tube Standard Gasket Reflector Must be installed (Aluminum or with the flame Stainless observation window Steel) facing down. Alternate overlap as shown on overview and on Page 17 , Figure 16.

  • Page 14: Standard Parts List

    NHE-S ERIES NSTALLATION PERATION AND ERVICE ANUAL 5.1 Standard Parts List Table 1: Contents of the Burner Carton Part No. Description NHE-40 NHE-60 NHE-80 NHE-100 NHE-125 NHE-150 NHE-175 038XXXXX Burner Assembly (Rate and Fuel Varies) 02568200 Gasket (Burner to Burner Tube) 138100NA Installation, Operation and Service Manual 03700009...
  • Page 15 SECTION 5: M AJOR OMPONENTS Table 2: Contents of Standard Core and Extension Packages Core Packages Extension Packages Aluminized with Aluminized with Aluminized with Aluminized with Aluminum Stainless Steel Aluminum Stainless Steel Reflector Reflector Reflector Reflector Part No. Description (3 m) (6 m) (9 m) (12 m)
  • Page 16 NHE-S ERIES NSTALLATION PERATION AND ERVICE ANUAL Table 3: Component Package Guide Tubing Length Standard Core Packages Model Minimum Aluminized Stainless Steel NHE-40 10’ (3m) CP10ALUM CP10ALUM NHE-60 20’ (6m) CP20ALUM CP20ALUM NHE-80 20’ (6m) CP20ALUM CP20ALUM NHE-100 30’ (9m) CP30ALUM CP30ALUM NHE-125...

  • Page 17: Section 6: Heater Installation

    SECTION 6: H EATER NSTALLATION SECTION 6: HEATER INSTALLATION Typical installation configurations are shown in Figure 13. WARNING Expansion and contraction of the tube dictates that the minimum suspension lengths in the table on Page 14, Figure 13 be maintained. Severe Injury Hazard Secure burner to burner tube with nuts and lockwashers.
  • Page 18 NHE-S ERIES NSTALLATION PERATION AND ERVICE ANUAL FIGURE 13: Critical Hanger Placement Description Part Number Run Length Typical Expansion Minimum “X” Length S-Hook 91907302 10' (3 m) - 50' (15 m) ±1" (3 cm) 12" (305 mm) Tube/Reflector Hanger 030901XX 51' (15 m) - 60' (18 m) ±2"...

  • Page 19: Outdoor Mounting

    SECTION 6: H EATER NSTALLATION 6.1 Outdoor Mounting may be parked within the clearances to combustibles. See Page 15, Figure 14. The heater is meant for stationary mounting in all sit- uations and should not be suspended from any struc- The bottom of the combustion air inlet shall not be ture which may become mobile or from any organic less than 12"...
  • Page 20 NHE-S ERIES NSTALLATION PERATION AND ERVICE ANUAL FIGURE 15: Linear Heater Assembly Overview...
  • Page 21 SECTION 6: H EATER NSTALLATION FIGURE 16: Linear Heater Layout Overview...
  • Page 22 NHE-S ERIES NSTALLATION PERATION AND ERVICE ANUAL FIGURE 17: Linear Heater Layout Overview (Continued)
  • Page 23 SECTION 6: H EATER NSTALLATION Step 6.2 Burner Tube Installation Description Part Number Burner Tube 03051XXX S-Hook 91907302 Tube/Reflector Hanger 030901XX Step 6.3 Tube Clamp Package Installation Description Part Number Tube Clamp Package 013189XX...
  • Page 24 NHE-S ERIES NSTALLATION PERATION AND ERVICE ANUAL Step 6.4 Coupling and Tube Assembly NOTE: Prior to coupling installation review Swirler Installation on Page 22, Step 6.6. Models NHE-125 and NHE- 175 require swirler tab to be installed under coupling. Swirler installation for these models must be complete prior to coupling installation.
  • Page 25 SECTION 6: H EATER NSTALLATION Step 6.4.2 Coupling and Tube Assembly (Continued) Model Tube Length Minimum NHE-40 10' (3 m) NHE-60 20' (6 m) NHE-80 20' (6 m) NHE-100 30' (9 m) NHE-125 30' (9 m) NHE-150 40' (12 m) NHE-175 50' (15 m) 7' 6"...
  • Page 26 NHE-S ERIES NSTALLATION PERATION AND ERVICE ANUAL Step 6.6 Swirler Installation Swirler installation required for models specified in chart below. Begin installing swirler at end of tube section as described in the "Swirler Installation" chart below and continue towards burner. Note: If heater length is extended 10' (3 m) beyond the specified minimum heat exchanger length swirler can begin in either...
  • Page 27 SECTION 6: H EATER NSTALLATION FIGURE 18: Swirler Installation Model: NHE-125, 30’ Straight Tube; Swirler Package - 20' (6 m) (p/n 03051511K) Note: Swirler installation for this model must be complete prior to coupling installation for proper swirler starter tab placement. Fold swirler tab over tube as shown Coupling...
  • Page 28 NHE-S ERIES NSTALLATION PERATION AND ERVICE ANUAL FIGURE 19: Swirler Installation Model: NHE-125, 30’ U-Tube; Swirler Package - 20' (6 m) (p/n 03051511K) Pivot Point Swirler Starter Section Swirler Adapter Section 10’ (3 m) Tube Vent Adapter Pivot Point Swirler Adapter Section Swirler...
  • Page 29 SECTION 6: H EATER NSTALLATION FIGURE 20: Swirler Installation Model: NHE-150, 40’ Straight Tube; Swirler Package - 10' (3 m) (p/n 03051509K) Pivot Point Swirler Adapter Section Swirler Starter Burner Tube Section Coupling Swirler Adapter Section Swirler Starter Section Vent Adapter FIGURE 21: Swirler Installation Model: NHE-150, 40’...
  • Page 30 NHE-S ERIES NSTALLATION PERATION AND ERVICE ANUAL FIGURE 22: Swirler Installation Model: NHE-175, 50’ Straight Tube; Swirler Package - 15' (4.5 m) (p/n 03051510K) Fold swirler tab over tube as shown Coupling Internal Coupling Pin Pivot Point Swirler Burner Tube Adapter Section Swirler...
  • Page 31 SECTION 6: H EATER NSTALLATION FIGURE 24: Swirler Installation Model: NHE-175, 50’ Uneven U-Tube; Swirler Package - 15' (4.5 m) (p/n 03051510K) See Page 31 for U-Tube installation instructions.
  • Page 32 NHE-S ERIES NSTALLATION PERATION AND ERVICE ANUAL Step 6.7 Reflector Installation WARNING Fire Hazard Support reflector with reflector hanger and support strap. Reflector must not touch tube. Failure to follow these instructions can result in death, injury or property damage. NOTE: All tube surfaces must be covered by a reflector, except for a U-Tube.
  • Page 33 SECTION 6: H EATER NSTALLATION Step 6.7.1 Reflector, U-Clip and Reflector Support Installation The pictorial drawings of the heater construction in tor supports and U-clips depends on the individual Section 6 are schematic only and provide a general installation. Use either pop rivets or sheet metal guideline of where hangers, reflector supports and screws instead of u-clips when installing end caps U-clips are to be installed.
  • Page 34 NHE-S ERIES NSTALLATION PERATION AND ERVICE ANUAL Step 6.8 Burner Installation NOTE: To ensure proper orientation, Description Part Number attached burner tube with tube weld Bolt 94273914 facing downward Lock Washer 96411600 Gasket 02568200...

  • Page 35: Section 7: Optional Heater Accessories

    SECTION 7: O PTIONAL EATER CCESSORIES SECTION 7: OPTIONAL HEATER ACCESSORIES WARNING Cut/Pinch Hazard Wear protective gear during installation, operation and service. Edges are sharp. Failure to follow these instructions can result in injury. 7.1 U-Tube Configuration Heaters (except NHE-40) are approved for optional U-Tube configurations.
  • Page 36 NHE-S ERIES NSTALLATION PERATION AND ERVICE ANUAL FIGURE 25: U-Tube Heater Assembly Overview Description Part Number U-Tube Package 03011XXX 180° U-Tube 013359XX Tube and Reflector Hanger 030901XX Coupling 01312700 Reflector End Cap 027508XX U-Tube Support Bracket 030205XX 4" (10 cm) U-Bolts 91912500 Reflector Support Set 030500XX...
  • Page 37 SECTION 7: O PTIONAL EATER CCESSORIES FIGURE 26: U-Tube Heater Layout Overview...
  • Page 38 NHE-S ERIES NSTALLATION PERATION AND ERVICE ANUAL FIGURE 27: U-Tube Heater Layout Overview (Continued)

  • Page 39: Elbow Package Configuration

    SECTION 7: O PTIONAL EATER CCESSORIES 7.2 Elbow Package Configuration Step 7.2.1 Elbow Installation Minimum Distance Required Between Burner and Elbow Model Minimum Distance Description Part Number NHE-40 Elbow Package 027187XX NHE-60 10' (3 m) 90° Elbow 01335801 NHE-80 10' (3 m) Coupling 01312700 NHE-100...
  • Page 40 NHE-S ERIES NSTALLATION PERATION AND ERVICE ANUAL Step 7.2.4 Reflector Joint Installation Step 7.2.5 Reflector Joint Detail FIGURE 28: Reflector Joint Detail...

  • Page 41: Reflector Side Extension (Not For Outdoor Use Or Areas Exposed To Wind)

    SECTION 7: O PTIONAL EATER CCESSORIES 7.3 Reflector Side Extension (Not for outdoor use or areas exposed to wind) Step 7.3.1 Bracket Installation Tube Reflector Tube and Reflector Hanger Reflector Support Reflector Side Extension Bracket (2 per Reflector) Use additional supports in high air movement applications.

  • Page 42: Lower Clearance Shield Installation

    NHE-S ERIES NSTALLATION PERATION AND ERVICE ANUAL 7.4 Lower Clearance Shield Installation Step 7.4.1 Shield Support Strap Assembly Reflector 12" (30 cm) 17" (43 cm) Align Pilot Holes Lower Clearance Shield Locknuts Washers Description Part Number Lower Clearance Shield Package 01397501 Shield Support Strap 01397500...
  • Page 43 SECTION 7: O PTIONAL EATER CCESSORIES Step 7.5.2 Frame Shield Installation Description Part Number Deco Grille Shield - 24" (61cm) 01365900 Step 7.5.3 Reflector Side Extension Installation for Decorative Grilles Distance "A" Extension Minimum Maximum Part No. Width 2" (4 cm) 6"...

  • Page 44: Protective Grille Installation

    NHE-S ERIES NSTALLATION PERATION AND ERVICE ANUAL 7.6 Protective Grille Installation Step 7.6.1 Silicone Cap Installation Silicone Cap Grille Description Part Number Finger Grille Section 08050001 Grille End Cap 08050002 NOTE: Protective Grille NOT APPROVED for Grille Section - EF Reflector 08050003 use with 45°...

  • Page 45: Section 8: Venting

    SECTION 8: V ENTING SECTION 8: VENTING pipe using the vent adapter (P/N 90502701). To prevent leakage of condensation, install the vent WARNING adapter with the seam on top and seal the joint using a high temperature silicone sealant. Maintain a minimum of 6" (15 cm) clearance around all single wall flue pipe.

  • Page 46: Unvented Operation

    NHE-S ERIES NSTALLATION PERATION AND ERVICE ANUAL Canadian Requirements In noncombustible walls only, vent terminal The vent shall not terminate within 6' (1.8 m) of a (P/N 02537801-1P) may be used. mechanical air supply inlet to any building. For 4" (10 cm) vents in either combustible or noncombustible walls, use Tjernlund VH1-4 (P/N The vent shall not terminate within 3' (0.9 m) of a 90502100) or equivalent, insulated vent terminal.
  • Page 47 SECTION 8: V ENTING For common vertical venting of more than two heaters, See Page 54, Section 9. A vent shall not extend less than 2' (0.6m) above the highest point where it passes through a flat roof of a building.

  • Page 48: Unvented Operation Tube Termination

    NHE-S ERIES NSTALLATION PERATION AND ERVICE ANUAL 8.7 Unvented Operation Tube Termination tubing (P/N 91409408), and 6" (15 cm) O.D. Heat treated aluminized tubing (P/N E0009105) are Turndown type vent terminal with a screen must be equivalent to single wall corrosion resistant flue pipe. installed at the exhaust end of the tube.
  • Page 49 SECTION 8: V ENTING FIGURE 30: Combustion Air Weather Vent (P/N 03700009) To be installed in place of flue collar for installations without fresh air vent pipe. Step A Step B Set Screws Screws Flue Collar Access Door Lock Nuts Apply Silicone Sealant Step C Step D...

  • Page 50: Venting Options

    NHE-S ERIES NSTALLATION PERATION AND ERVICE ANUAL 8.10 Venting Options Indoor Harsh/Corrosive Environments 4" (10 cm) Fresh Single Air In Wall Pipe Burner Tube Burner Vent Out Vent Adapter Vent Vent Terminal Indoor Vented and Unvented Burner Tube Burner Vent Out Vent Adapter Vent Terminal Burner Tube...
  • Page 51 SECTION 8: V ENTING 8.11 Horizontal Venting (Category III) 4" (10 cm) Pipe Description Part Number Vent Terminal (Comb. Wall) 90502100 Vent Terminal 02537801-XX 8.12 Vertical Venting (Category III) 4'' (10 cm) Pipe Description Part Number Vent Cap 4" (10 cm) 90502300 NOTE: It is required that all vent pipes and connectors be fastened together with sheet metal screws and sealed with...
  • Page 52 NHE-S ERIES NSTALLATION PERATION AND ERVICE ANUAL 8.13 Vertical Venting (Category I) 4" (10 cm) Pipe Note: With the exception of the Vent Cap Metalbestos vent cap, all vent material is supplied by others. 24” Storm Collar Minimum Roof Flashing Roof Double-Wall Type-B Vent...
  • Page 53 SECTION 8: V ENTING 8.14 Common Side Wall Horizontal Venting (Category III) Note: A continuous section of type B-vent may only be used to pass through the outside wall or outside of the building. Horizontal venting (Category III) does not allow the use of type B-vent inside of the space. Description Part Number Vent Terminal 6"...

  • Page 54: Common Vertical Venting

    NHE-S ERIES NSTALLATION PERATION AND ERVICE ANUAL 8.15 Common Vertical Venting (Category III) Note: A continuous section of type B-vent may only be used to pass through the roof or outside of the building. Vertical venting (Category III) does not allow the use of type B-vent inside of the space.

  • Page 55: Outside Combustion Air Supply

    SECTION 8: V ENTING 8.16 Outside Combustion Air Supply 8.16.1 Length Requirements IMPORTANT: If the building has a slight negative Follow the constraints listed on Page 44, Section 8.8. pressure or corrosive contaminants, such as halogenated hydrocarbons, are present in the air, an outside combustion air supply to the heater is required.
  • Page 56 NHE-S ERIES NSTALLATION PERATION AND ERVICE ANUAL 8.16.3 Horizontal Outside Air Supply for Single Heater Installation 4" (10 cm) Single Wall Pipe Vent Cap Flex Hose (Recommended) Burner Band Clamp (Recommended) Description Part Number Vent Cap, Metalbestos - 4" (10 cm) 90502300 8.16.4 Vertical Outside Air Supply for Double Heater Installation Description...
  • Page 57 SECTION 8: V ENTING 8.16.5 Horizontal Outside Air Supply for Double Heater Installation Description Part Number Vent Cap, Metalbestos - 6" (15 cm) 90502302 Requirements: • Heaters must be controlled by a common thermostat. • All joints must be sealed.

  • Page 58: Section 9: Gas Piping

    NHE-S ERIES NSTALLATION PERATION AND ERVICE ANUAL SECTION 9: GAS PIPING There is an expansion of the tube with each firing cycle. This will cause the burner to move with respect WARNING to the gas line. This can cause a gas leak resulting in an unsafe condition if the gas connection is not made in strict accordance with Figure 31.
  • Page 59 SECTION 9: G IPING FIGURE 31: Gas Connection with Flexible Gas Hose CORRECT POSITIONS Shut-Off Valve (included CAUTION with gas hose) must be parallel to burner gas Product Damage Hazard inlet. The 3" (8 cm) displacement shown is Hold gas nipple securely with pipe wrench for the cold condition.

  • Page 60: Section 10: Wiring

    NHE-S ERIES NSTALLATION PERATION AND ERVICE ANUAL SECTION 10: WIRING Management System. Section 10.1 below illustrates the connection for heaters controlled by a line voltage thermostat. NOTE: In order to use line voltage ther- DANGER mostats, the low voltage terminal located at the back of each burner must be connected as shown in the detail.

  • Page 61: Low Voltage Thermostat Wiring With Multiple Burners

    SECTION 10: W IRING 10.3 Low Voltage Thermostat Wiring with Multiple Burners Low Voltage Thermostat Transformer Relay FRONT VIEW BACK VIEW Black COIL COIL Purple Black Low voltage black jumper wire connected inside all Burner 1 Burner 2 White burners between Purple and Blue wire;...

  • Page 62: Ladder Diagram

    NHE-S ERIES NSTALLATION PERATION AND ERVICE ANUAL 10.5 Ladder Diagram 120VAC LINE NUETRAL (L1) (L2) DOOR SWITCH BLOWER 120VAC TRANSFORMER 24VAC THERMOSTAT RELAY PRESSURE SWITCH SPARK ELECTRODE BURNER ON GAS VALVE 10.6 Electrical Connection to the Burner Box using Line Voltage Thermostat on Control Connect wires together with suitable approved wire connections.

  • Page 63: Electrical Connection To Burner Box Using Low Voltage Thermostat On Control

    SECTION 10: W IRING 10.7 Electrical Connection to Burner Box using Low Voltage Thermostat on Control Thermostat Bundle R to Purple wire W to Blue wire C to Yellow Wire Description Part Number Grommet - 91309701 Liquid Tight...

  • Page 64: Section 11: Operation And Maintenance

    NHE-S ERIES NSTALLATION PERATION AND ERVICE ANUAL SECTION 11: OPERATION AND MAINTENANCE DANGER WARNING Electrical Shock Hazard Explosion Hazard Burn Hazard Cut/Pinch Hazard Turn off gas supply to Allow heater to cool Wear protective gear Disconnect electric before service. heater before service. before service.

  • Page 65: Maintenance Checklist

    SECTION 11: O PERATION AND AINTENANCE all heater condition should be thoroughly inspected. sold and supplied by NDUSTRIA and conform to all requirements set forth in the NDUSTRIA manuals ™ NOTE: Gas flow and burner ignition are among the and all applicable governmental authorities first things that should be inspected.
  • Page 66 NHE-S ERIES NSTALLATION PERATION AND ERVICE ANUAL Blower Scroll, Wheel and Compressed air or a vacuum cleaner may be used to clean dust and dirt. Motor Burner Cup and Orifice Clear of obstructions (even spider webs will cause problems). Carefully remove any dust and debris from the burner. Electrode Replace if there are cracked ceramics, excessive carbon residue, or erosion of the electrode.

  • Page 67: Section 12: Troubleshooting

    SECTION 12: T ROUBLESHOOTING SECTION 12: TROUBLESHOOTING DANGER Electrical Shock Hazard Disconnect electric before service. Heater must be properly earthed. Failure to follow these instructions can result in death or electrical shock. WARNING Fire Hazard Explosion Hazard Burn Hazard Cut/Pinch Hazard Keep all flammable Turn off gas supply to Allow heater to cool...

  • Page 68: Troubleshooting Flow Chart

    NHE-S ERIES NSTALLATION PERATION AND ERVICE ANUAL 12.1 Troubleshooting Flow Chart...
  • Page 69 SECTION 12: T ROUBLESHOOTING...

  • Page 70: Manifold Gas Pressure Setting

    NHE-S ERIES NSTALLATION PERATION AND ERVICE ANUAL 12.2 Manifold Gas Pressure Setting Side View of Heater...

  • Page 71: Section 13: Replacement Parts

    SECTION 13: R EPLACEMENT ARTS SECTION 13: REPLACEMENT PARTS WARNING DANGER Electrical Shock Hazard Explosion Hazard Carbon Monoxide Hazard Fire Hazard Use only genuine NDUSTRIA ™ replacement parts per this installation, operation and service manual. Failure to follow these instructions can result in death, electric shock, injury or property damage. See warnings and important information before removing or replacing parts.
  • Page 72 NHE-S ERIES NSTALLATION PERATION AND ERVICE ANUAL FIGURE 32: Burner Exploded View Part Number Description Gas Valve (Natural) 90032510 Gas Valve (LP) 90032512 02568200 Tube Gasket (Not Shown) 03050900 Blower Inlet Gasket (Not Shown) 90708600-P Motor and Blower Assembly 91911704 Air Adapter Collar 03700009 Combustion Air Weather Vent (Not Shown)

  • Page 73: Section 14: General Specifications

    SECTION 14: G ENERAL PECIFICATIONS SECTION 14: GENERAL SPECIFICATIONS 14.3 Suspension Specifications 14.1 Material Specifications Hang heater with materials with a minimum working 14.1.1 Reflectors load of 75 lbs (33 kg). See Page 14, Figure 13. .024 Aluminum (Standard or High Efficiency Reflec- 14.4 Controls Specifications tors) Time switches, thermostats, etc.
  • Page 74 NHE-S ERIES NSTALLATION PERATION AND ERVICE ANUAL...

  • Page 75: Section 15: The Ndustria ™ Nhe Warranty

    SECTION 15: T NDUSTRIA ™ NHE W ARRANTY SECTION 15: THE NDUSTRIA NHE WARRANTY ™ NDUSTRIA WILL PAY FOR: NDUSTRIA is not permitted to inspect the damaged controller and/or component parts. Within 36 months from date of purchase by buyer or 42 months from date of shipment by NDUSTRIA (whicNHEer occurs first), replacement parts will be provided free of READ YOUR INSTALLATION, OPERATION AND...
  • Page 76 NHE-S ERIES NSTALLATION PERATION AND ERVICE ANUAL...
  • Page 77 SECTION 15: T NDUSTRIA NHE W ™ ARRANTY 2020...
  • Page 78 NHE-S ERIES NSTALLATION PERATION AND ERVICE ANUAL...

This manual is also suitable for:

Ndustria nhe-40Ndustria nhe-60Ndustria nhe-80Ndustria nhe-100Ndustria nhe-125Ndustria nhe-150 ... Show all

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