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

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Roberts Gorden NDUSTRIA NHE Series Installation, Operation & Service Manual Download Page 57

SECTION 8: V

ENTING

  

53

8.16.5 Horizontal Outside Air Supply for Double Heater Installation

Requirements:

• Heaters must be controlled by a common thermostat.
• All joints must be sealed.

Description

Part Number

Vent Cap, Metalbestos - 6" (15 cm)

90502302

Summary of Contents for NDUSTRIA NHE Series

Page 1: ...16 551 7900 www ndustria com 2021 Ndustria WARNING 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...

Page 2: ......

Page 3: ...ion 33 7 6 Protective Grille Installation 35 SECTION 8 Venting 44 8 1 General Venting Requirements 44 8 2 Unvented Operation 47 8 3 Horizontal Venting 47 8 4 Vertical Venting 47 8 5 Unvented Operation Tube Termination 47 8 6 Length Requirements 47 8 7 Venting Options 49 8 8 Horizontal Ventilation 4 10 cm Pipe 50 8 9 Vertical Ventilation 4 10 cm Pipe 50 8 11 Common Vertical Venting 53 8 12 Outside ...

Page 4: ......

Page 5: ...he use of gloves will also prevent the transfer of body oils from the hands to the surface of the reflector Before installation check that the local distribution conditions nature of gas and pressure and adjust ment of the appliance are compatible This heater must be applied and operated under the general concepts of reasonable use and installed using best building practices This appliance is not ...

Page 6: ...imum Firing Rate MBH Numerical sequence of units manufactured for the month of the given product 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: ...912 is illustrated on the back cover For an immediate solution you may affix this copy on the wall near the heater Know your model number and installed configuration Model number and installed configuration are found on the burner and in the Installation Operation and Service Manual See Page 4 Figure 2 through Page 7 Figure 11 Write the proper clearance dimensions in permanent ink according to you...

Page 8: ...doors overhead cranes vehicle lifts partitions storage racks hoists building construction etc In locations used for the storage of combustible materials signs must be posted to specify the maximum permissible stacking height to maintain required clearances from the heater to the com bustibles Signs must be posted adjacent to the heater thermostat In the absence of a thermostat signs must be posted...

Page 9: ...66 NHE 150 6 9 86 69 16 23 219 176 NHE 175 8 9 88 73 21 23 224 186 A C D B FIGURE 4 TWO SIDE REFLECTORS inches centimeters Model A B C D A B C D NHE 40 6 15 53 15 16 39 135 39 NHE 60 6 23 66 23 16 59 168 59 NHE 80 6 25 72 25 16 64 183 64 NHE 100 6 27 78 27 16 69 199 69 NHE 125 6 32 84 32 16 82 214 82 NHE 150 6 35 88 35 16 89 224 89 NHE 175 8 40 91 40 21 102 232 102 A C D B FIGURE 5 45 TILT REFLECT...

Page 10: ...01 110 NHE 150 6 50 84 47 16 127 214 120 NHE 175 8 54 87 51 21 138 221 130 A C D B FIGURE 7 U TUBE 45 inches centimeters Model A B C D A B C D NHE 40 UNAPPROVED UNAPPROVED NHE 60 8 8 60 42 21 21 153 107 NHE 80 8 8 66 46 21 21 168 117 NHE 100 8 8 74 52 21 21 188 133 NHE 125 8 8 78 61 21 21 199 155 NHE 150 8 8 84 66 21 21 214 168 NHE 175 8 8 85 70 21 21 216 178 B C D A FIGURE 8 U TUBE OPPOSITE 45 RE...

Page 11: ...HE 125 6 46 77 46 16 117 196 117 NHE 150 6 50 80 50 16 127 204 127 NHE 175 8 52 82 52 21 133 209 133 A C D B FIGURE 10 LOWER CLEARANCE SHIELD inches centimeters Model A B C D A B C D NHE 40 6 34 27 34 16 87 69 87 NHE 60 6 39 33 39 16 100 84 100 NHE 80 6 40 38 40 16 102 97 102 NHE 100 6 50 44 50 16 127 112 127 NHE 125 6 54 48 54 16 138 122 138 NHE 150 6 55 50 55 16 140 127 140 NHE 175 UNAPPROVED UN...

Page 12: ...visions shall be made to assure accessibility to suspended heaters for recurrent maintenance purposes 4 3 Public Garages Installation in garages must be in accordance with the following codes United States Refer to Standard for Parking Structures NFPA 88A latest revision or the Code for Motor Fuel Dispensing Facilities and Repair Garages NFPA 30A latest revision Canada Refer to Natural Gas and Pro...

Page 13: ...om the burner Coupling Assembly with Lock Reflector End Cap Punch out center section to accommodate tube Tube and Reflector Hanger Suspend system from these hangers Flex Gas Line with Shut Off Cock Tube Hot rolled or heat treated aluminized tube supplied in 10 3 m lengths Reflector Support Strap Wire Form Vent Adapter Burner Tube Supplied in 10 3 m lengths Burner tube is always the first tube afte...

Page 14: ...al 1 1 1 1 1 1 1 03700009 Combustion Air Weather Vent 1 1 1 1 1 1 1 94273914 Hex Head Bolts 5 16 18 Rolok 4 4 4 4 4 4 4 96411600 Split Lock washer 4 4 4 4 4 4 4 91221100 Pipe Nipple Galvanized 1 2 NPT x 4 1 1 1 1 1 1 1 91309701 Grommet Liquid Tight 1 1 1 1 1 1 1 91412204 36 Vinyl Coated Flexible Stainless Steel Gas Hose 3 4 NPT US Models Only 1 1 1 1 1 1 1 03051501 Turbulator Adapter 1 1 1 1 03051...

Page 15: ...I THERM Steel 10 3 m 1 1 03051602 Burner Tube HT ALUMI THERM Steel HE 10 3m 1 1 01312700 Coupling Assembly 1 2 3 1 2 3 1 2 3 4 1 2 3 4 02750303 Standard Reflector 8 3 5 m 2 3 4 6 2 3 4 6 027503SS Stainless Steel Reflector 8 3 5 m 2 3 4 6 2 3 4 6 02750800 End Cap 2 2 2 2 027508SH Stainless Steel End Cap with Hole 2 2 2 2 03090100 Tube and Reflector Hanger 2 3 4 5 2 3 4 5 1 2 3 4 1 2 3 4 91907302 S ...

Page 16: ...the specified minimum tubing length are considered vent pipe for length determination Maximum vent length allowed is 45 13 7 m total Model Tubing Length Standard Core Packages 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 30 9m CP30ALUM CP30ALUM NHE 150 40 12m CP40ALUM CP40ALUM...

Page 17: ...ndicated on the rating plate and in this instruction manual The minimum and maximum gas inlet pressures must be maintained as indicated on the rating plate Typical installation configurations are shown in Figure 13 Expansion and contraction of the tube dictates that the minimum suspension lengths in the table on Page 14 Figure 13 be maintained WARNING Severe Injury Hazard Secure burner to burner t...

Page 18: ... 14 FIGURE 13 Critical Hanger Placement Description Part Number S Hook 91907302 Tube Reflector Hanger 030901XX Run Length Typical Expansion Minimum X Length 10 3 m 50 15 m 1 3 cm 12 305 mm 51 15 m 60 18 m 2 5 cm 18 457 mm 61 18 m 70 24 m 3 8 cm 24 609 mm ...

Page 19: ...ned in all cases do not install heat ers in a location such as a parking area where a vehicle with a painted or non metallic upper surface may be parked within the clearances to combustibles See Page 15 Figure 14 The bottom of the combustion air inlet shall not be less than 12 30 cm above a surface which could support snow ice or debris FIGURE 14 Critical Hanger Placement Outdoor Installation NOTE...

Page 20: ...ND SERVICE MANUAL 16 FIGURE 15 Linear Heater Assembly Overview Tube Reflector Reflector End Cap Reflector Support Burner Coupling U Clips Burner Tube Tube and Reflector Hanger Tube Clamp Package Vent Adapter Turbulator with Select Models ...

Page 21: ...SECTION 6 HEATER INSTALLATION 17 FIGURE 16 Linear Heater Layout Overview ...

Page 22: ...NHE SERIES INSTALLATION OPERATION AND SERVICE MANUAL 18 FIGURE 17 Linear Heater Layout Overview Continued ...

Page 23: ...TION 19 Step 6 2 Burner Tube Installation Step 6 3 Tube Clamp Package Installation Description Part Number Burner Tube 03051XXX S Hook 91907302 Tube Reflector Hanger 030901XX Description Part Number Tube Clamp Package 013189XX ...

Page 24: ...l snug approximately 3 8 cm to 4 10 cm C Insert tubes into coupling until end of each tube rests against internal pins D Description Part Number Coupling 01329600 Slide Bar Coupling Lock 01329700 Tube 91409XXX 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 the...

Page 25: ...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 NHE Description Part Number Turbulator Adapter 03051501 Turbulator Section 03051502 Turbulator Section stainless 03051505 Tube 91409XXX Turbulator Installation Chart Model Tube Section NHE 40 1st 10 Section NHE 60 2nd 10 Section NHE 80 2nd 10 Section NHE 100 3rd 10 Section Install turbulator as specified in the Turbula...

Page 26: ...either the specified tube section according to the Swirler Installation chart or the end of the 10 3 m extension and continue towards burner Swirler Installation Model Tube Section Swirler Qty NHE 125 3rd 10 3 m Section 2 Starters 2 Adapters NHE 150 4th 10 3 m Section 1 Starter 1 Adapter NHE 175 5th 10 3 m Section 2 Starters 1 Adapter Swirlers should not to be installed through 180 U sections or e...

Page 27: ...dapter Fold swirler tab over tube as shown Swirler Starter Section Swirler Adapter Section Pivot Point Swirler Starter Section Swirler Adapter Section Swirler Adapter Section Coupling Tube and Reflector Hanger Burner Tube Swirler Starter Section Note Swirler installation for this model must be complete prior to coupling installation for proper swirler starter tab placement ...

Page 28: ...r Starter Section Pivot Point Tab Swirler Starter Section Swirler Starter Section Coupling Burner Tube Swirler Adapter Section Swirler Adapter Section 10 3 m Tube 5 1 5 m Tube tubes cut in field 5 1 5 m Tube tubes cut in field 10 3 m Tube Vent Adapter U tube Swirler Adapter Section Note Swirler installation for this model must be complete prior to coupling installation for proper swirler starter t...

Page 29: ...er Package 10 3 m p n 03051509K See Page 31 for U Tube installation instructions Tab Swirler Starter Section Vent Adapter Coupling Burner Tube Swirler Adapter Section Pivot Point Swirler Starter Section Swirler Adapter Section Tab Burner Tube 10 3 m Tube 10 3 m Tube Vent Adapter Swirler Starter Section Swirler Adapter Section Pivot Point Swirler Starter Section Swirler Adapter Section U tube ...

Page 30: ... Reflector Hanger Burner Tube Fold swirler tab over tube as shown Swirler Adapter Section Pivot Point Swirler Starter Section Swirler Starter Section Swirler Adapter Section Note Swirler installation for this model must be complete prior to coupling installation for proper swirler starter tab placement Tab Burner Tube 10 3 m Tube 10 3 m Tube Vent Adapter Swirler Starter Section Swirler Adapter Sec...

Page 31: ...10 3 m Tube 10 3 m Tube Coupling Internal Coupling Pin Fold swirler tab over tube as shown Tab Swirler Starter Section Coupling Vent Adapter Swirler Starter Section Swirler Adapter Section Pivot Point 10 3 m Tube Swirler Adapter Section Swirler Starter Section U tube Note Swirler installation for this model must be complete prior to coupling installation for proper swirler starter tab placement ...

Page 32: ...ith reflector hanger and support strap Reflector must not touch tube Failure to follow these instructions can result in death injury or property damage Description Part Number Tube Reflector Hanger 030901XX Burner Tube 03051XXX Reflector 96 244cm 027503XX NOTE All tube surfaces must be covered by a reflector except for a U Tube ...

Page 33: ...either pop rivets or sheet metal screws instead of u clips when installing end caps and joint pieces in areas where impact and high wind may be a factor The following rules must be observed 1 Slide first reflector after burner a minimum 2 4 cm through first hanger and ensure reflector end cap is securely fastened via U clips pop rivets or sheet metal screws Position reflector support with tight sc...

Page 34: ...N OPERATION AND SERVICE MANUAL 30 Step 6 8 Burner Installation NOTE To ensure proper orientation attached burner tube with tube weld facing downward Description Part Number Bolt 94273914 Lock Washer 96411600 Gasket 02568200 ...

Page 35: ...tional rules must be adhered to A minimum of 10 3 m on NHE 60 80 and a mini mum of 15 4 5 m on NHE 100 125 150 175 is required between the burner and the U Tube The correct turbulator swirler See Page 21 Fig ure 6 5 and Figure 6 6 Page 22 must be installed in the last standard section of tube The burner must never be operated in a tilted posi tion The heater must be properly supported at all loca ...

Page 36: ...n only See Page 17 Figure 16 for outdoor suspension details 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 S Hook 91907302 Hex Nut 92113000 Lock Washer 96411500 ...

Page 37: ...SECTION 7 OPTIONAL HEATER ACCESSORIES 33 FIGURE 26 U Tube Heater Layout Overview ...

Page 38: ...NHE SERIES INSTALLATION OPERATION AND SERVICE MANUAL 34 FIGURE 27 U Tube Heater Layout Overview Continued ...

Page 39: ...t Installation Description Part Number Elbow Package 027187XX 90 Elbow 01335801 Coupling 01312700 Reflector End Cap 0275080X Reflector Joint Piece 0275090X U Clip Package 91107720 Minimum Distance Required Between Burner and Elbow Model MinimumDistance NHE 40 N A NHE 60 10 3 m NHE 80 10 3 m NHE 100 15 4 5 m NHE 125 15 4 5 m NHE 150 15 4 5 m NHE 175 15 4 5 m ...

Page 40: ...NHE SERIES INSTALLATION OPERATION AND SERVICE MANUAL 36 Step 7 2 4 Reflector Joint Installation Step 7 2 5 Reflector Joint Detail FIGURE 28 Reflector Joint Detail ...

Page 41: ... Reflector Side Extension Bracket 2 per Reflector Use additional supports in high air movement applications Tube and Reflector Hanger Reflector Tube Reflector Support Description Part Number Reflector Side Extension Package 0271270X Reflector Side Extension 96 244cm 0136800X Retainer Clips 02751200 Sheet Metal Screws 94118106 Order Separately Reflector Side Extension Bracket 01329911 ...

Page 42: ...p 7 5 1 Grille Installation 12 30 cm Reflector Lower Clearance Shield 17 43 cm Washers Screws Locknuts Align Pilot Holes Description Part Number Lower Clearance Shield Package 01397501 Shield Support Strap 01397500 Lower Clearance Shield 8 2447cm 02793000 Locknut 8 92311400 Flat Washer 8 95310800 Screw 8 x 3 8 93511406 Description Part Number Aluminum Grille 2 x 4 6m x 1 2 m 91407000 ...

Page 43: ...ion Installation for Decorative Grilles Description Part Number Deco Grille Shield 24 61cm 01365900 Distance A Extension Minimum Maximum Part No Width 2 4 cm 6 15 cm 013704XX 8 20 cm 6 15 cm 10 26 cm 013704XX 12 30 cm 10 26 cm 14 37 cm 013704XX 16 40 cm Description Part Number Reflector Side Extension 013704XX ...

Page 44: ...llation Silicone Cap Grille Finger Description Part Number Grille Section 08050001 Grille End Cap 08050002 Grille Section EF Reflector 08050003 Grille End Cap EF Reflector 08050004 Silicone Cap 91915951 6P NOTE Protective Grille NOT APPROVED for use with 45 tilted reflectors Bend up 90 Pull outward Grille Grille End Cap A B C D Grille Grille End Cap Reflector Final Grille Section 40 101 cm ...

Page 45: ...eaters can be commonly vented See Page 54 Section 9 The heater may also be installed unvented in certain circumstances according to building ventilation codes Refer to the above codes and Page 42 Section 8 2 for further information Unvented operation also requires compliance with the clearances to combustibles given on Page 4 Figure 2 The bottom of the vent or air intake terminal shall not be loca...

Page 46: ...II All horizontal venting configurations for this product are considered Category lll In noncombustible walls only vent terminal P N 02537801 1P may be used For 4 10 cm vents in either combustible or noncombustible walls use Tjernlund VH1 4 P N 90502100 or equivalent insulated vent terminal Follow the manufacturer s instructions for proper installation For 6 15 cm common vents in either combustibl...

Page 47: ...le If vertical vent section of the vent is 10 3 m long the horizontal section of the vent must not exceed 7 6 2 3 m long Horizontal portion of the vent pipe can be double wall vent type B or single wall pipe type C and have an upward slope from the heater of at least 1 4 632 cm per foot When using type B vent on horizontal section use B to C adapter supplied by others and attach to end of heater t...

Page 48: ...erature silicone at all seams are required Optional heat exchanger beyond minimum lengths is considered as vent length for length determination Subtract 15 4 6 m of maximum allowed vent or duct length per vent elbow if more than two are used 8 9 Vent Material Recommendations Vent recommendations 1 Porcelain coated tubing 4 10 cm O D P N 9141030D 2 Heat treated aluminized tubing 4 10 cm O D P N 914...

Page 49: ...in place replace combustion blower and tighten locknuts previously removed in step A Step C Apply silicone sealant around Combustion Air Weather Vent flange Carefully align 6 pre drilled holes on weather vent flange to 6 holes on burner Tighten 6 set screws previously removed in step 2 to secure weather vent to burner Step D Reinstall access door and tighten screws Lock Nuts Set Screws Flue Collar...

Page 50: ... Tube 4 10 cm Single Wall Pipe Wall Fresh Air In Vent Out Wall Indoor Harsh Corrosive Environments Vent Adapter seam down Outdoor Vent Cap Vent Cap Vent Adapter Vent Terminal Burner Tube Vent Out Wall Indoor Vented and Unvented Vent Adapter Burner Tube Wall Burner Tube Burner Burner Burner Burner Vent Terminal ...

Page 51: ...th sheet metal screws and sealed with high temperature silicone sealant approved for at least 550 F 288 C supplied by others The installer must perform a leak test on the complete venting system A solution of soap and water should be used to test the venting system Description Part Number Vent Terminal Comb Wall 90502100 Vent Terminal 02537801 XX Description Part Number Vent Cap 4 10 cm 90502300 ...

Page 52: ...oof Flashing Tee Fitting or Alternative Elbow Clean Out Cap Heater Roof Double Wall Type B Vent 4 10 cm Single Wall Pipe Type C or Double Wall Type B Vent When using type B vent on horizontal section use B to C adapter supplied by others and attach to end of tube in place of supplied vent adapter Note With the exception of the Metalbestos vent cap all vent material is supplied by others Descriptio...

Page 53: ...sheet metal screws and sealed with high temperature silicone sealant approved for at least 550 F 288 C supplied by others The installer must perform a leak test on the complete venting system A solution of soap and water should be used to test the venting system Description Part Number Vent Terminal 6 15 cm 90502101 Note A continuous section of type B vent may only be used to pass through the outs...

Page 54: ... combustion gases NOTE It is required that all vent pipes and connectors be fastened together with sheet metal screws and sealed with high temperature silicone sealant approved for at least 550 F 288 C supplied by others The installer must perform a leak test on the complete venting system A solution of soap and water should be used to test the venting system Note A continuous section of type B ve...

Page 55: ...stion air is not recommended with unvented heaters The air supply duct may have to be insulated to prevent condensation on the outer surface The outside air terminal must not be more than 1 31 cm above the vent termination while maintaining a minimum distance of 3 93 cm for both vertical and horizontal venting 8 16 1 Length Requirements Follow the constraints listed on Page 44 Section 8 8 8 16 2 V...

Page 56: ...e Air Supply for Double Heater Installation Requirements Heaters must be controlled by a common thermostat All joints must be sealed Band Clamp Recommended Flex Hose Recommended Vent Cap Wall 4 10 cm Single Wall Pipe Burner Description Part Number Vent Cap Metalbestos 4 10 cm 90502300 Description Part Number Vent Cap Metalbestos 6 15 cm 90502302 ...

Page 57: ...3 8 16 5 Horizontal Outside Air Supply for Double Heater Installation Requirements Heaters must be controlled by a common thermostat All joints must be sealed Description Part Number Vent Cap Metalbestos 6 15 cm 90502302 ...

Page 58: ...xible Stainless Steel Gas Hose US models supplied with the heater is certi fied per the Standard for Connectors for Gas Appli ances ANSI Z21 24 CSA 6 10 latest revision Canada The Rubber Type 1 Gas Hose Canadian models optional with the heater is certified as being in compliance with the Standard for Elastomeric Composite Hose and Hose Couplings for Conducting Propane and Natural Gas CAN CGA 8 1 L...

Page 59: ...cal as shown left Alternate positions okay Flexible Gas Hose 36 91 cm length 3 8 cm max displacement Side View Heater Movement 12 30 cm CAUTION Product Damage Hazard Hold gas nipple securely with pipe wrench when attaching gas hose Failure to follow these instructions can result in product damage Description Part Number 36 Vinyl Coated Flexible Stainless Steel Gas Hose 3 4 NPT US Models Only 91412...

Page 60: ...ater must be grounded in accor dance with applicable codes United States refer to National Electrical Code NFPA 70 latest revision Canada refer to Canadian Electrical Code CSA C22 1 Part I latest revision If any of the original internal wiring must be replaced it must be replaced with wiring materials having a temperature rating of at least 105 C and 600 V 10 1 Line Voltage Thermostat Wiring 10 2 ...

Page 61: ...when controlling multiple burners Low voltage black jumper wire connected inside all burners between Purple and Blue wire Yellow not used Description Part Number DPDT Transformer Relay 90436300 POWER SUPPLY 120V 60 HZ L1 L2 GAS VALVE GRN BLK WHT MOTOR BLOWER GRN BLK BLK BLK BUSHING TERMINAL 3 1 4 5 TRANSFORMER GRN IGNITION MODULE YEL BRN BLUE YEL PURPLE YEL WHT PRESSURE SWITCH PLUG 3 1 R1 R1 YEL 2...

Page 62: ...URE TH V2 S1 SPARK C2 TRANSFORMER L1 GND L2 SWITCH THERMOSTAT BLOWER LINE NUETRAL R1 ELECTRODE GAP V BURNER ON GAS VALVE DOOR SWITCH R C W Green White Black L1 L2 Gnd Conduit Hole Burner Box Internal Wire Bundle Connect wires together with suitable approved wire connections Green to Gnd White to L2 Black to L1 Liquid Tight Flexible Conduit for Outdoor Use or Equivilent Liquid Tight Conduit Connect...

Page 63: ...WIRING 59 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 Liquid Tight 91309701 ...

Page 64: ...Set thermostat to lowest setting Turn OFF electric power to heater Turn OFF manual gas valve in the heater supply line 11 3 To Start Heater Turn gas valve and electric power OFF and wait five minutes for unburned gases to vent from heater Turn ON main gas valve Turn ON electric power Set thermostat to desired temperature Burner should light automatically 11 4 Pre Season Maintenance and Annual Insp...

Page 65: ...place anything on the heater Make sure nothing is lodged underneath the reflector in between the tubes or in the decorative or protective grilles included with select models Immediately remove objects in violation of the clearances to combustibles See Page 4 Section 3 Reflector Support reflector with reflector hanger and support strap Reflector must not touch tube Make sure there is no dirt saggin...

Page 66: ...sions are installed correctly and secured in place if necessary Decorative grille only See Page 38 Section 7 5 and Page 40 Section 7 6 Make sure shield is installed correctly and secured in place if necessary Decorative grille only See Page 39 Section 7 5 2 Lower Clearance Shield optional The lower shield must be securely attached Inspect shield support straps and lower clearance shield anchor poi...

Page 67: ...and vapors the minimum required clearances to combustibles away from heater Some objects will catch fire or explode when placed close to heater Cut Pinch Hazard Wear protective gear during installation operation and service Edges are sharp WARNING Failure to follow these instructions can result in death injury or property damage Burn Hazard Allow heater to cool before service Tubing may still be h...

Page 68: ...c Codes LED Problem Solution 4 second steady flash at start of cycle Normal Wait for valve to open Steady on Microprocessor failure Replace module within module Three flashes Ignition lockout Recycle unit check for Lockout of module spark and valve opening and after 3 tries replace if none replace module ...

Page 69: ...SECTION12 TROUBLESHOOTING 65 ...

Page 70: ...NHE SERIES INSTALLATION OPERATION AND SERVICE MANUAL 66 12 2 Manifold Gas Pressure Setting Side View of Heater ...

Page 71: ...sure all safety systems are in working order before leaving the heater to operate Minor faults may be traced by using the troubleshooting charts on Page 63 Section 12 through Page 66 Figure 12 2 Carbon Monoxide Hazard WARNING 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 ...

Page 72: ...n 03050900 2 Motor and Blower Assembly 90708600 P Air Adapter Collar 91911704 Combustion Air Weather Vent Not Shown 03700009 3 Burner Cup Assembly 03020100 4 Electrode Assembly 90427400 Mica Window Assembly Not Shown 02553203 5 Transformer 90436900K 7 Pressure Switch 100 90439803K 150 90439804K 40 60 125 90439805K 80 175 90439810K 8 24 Vac Relay 90447140 9 DSI Ignition Module 90439500K 10 LED Burn...

Page 73: ...rances to combustibles GAS PRESSURE AT MANIFOLD Natural Gas 3 5 wc LP Gas 10 5 wc PIPE CONNECTION 1 2 NPT DIMENSIONS Vent Connection Size 4 10 cm Outside Air Connection Size 4 10 cm Refer to figure above for dimensional information GAS INLET PRESSURE Natural Gas for 40 60 80 100 125 150 4 6 wc Minimum for 175 5 0 wc Minimum 14 0 wc Maximum LP Gas 11 0 wc Minimum 14 0 wc Maximum ELECTRICAL RATING A...

Page 74: ...NHE SERIES INSTALLATION OPERATION AND SERVICE MANUAL 70 ...

Page 75: ...ory The data plate and or serial number are removed defaced modified or altered in any way The ownership of the NDUSTRIA NHE is moved or transferred This warranty is nontransferable NDUSTRIA is not permitted to inspect the damaged controller and or component parts READ YOUR INSTALLATION OPERATION AND SERVICE MANUAL If you have questions about your controller contact your installing professional Sh...

Page 76: ...NHE SERIES INSTALLATION OPERATION AND SERVICE MANUAL 72 ...

Page 77: ...SECTION 15 THE NDUSTRIA NHE WARRANTY 73 2020 ...

Page 78: ...NHE SERIES INSTALLATION OPERATION AND SERVICE MANUAL 74 ...

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