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SECTION 15: R

EPLACEMENT

ARTS

39 of 45

15.2 Burner Injectors

MODEL

UHD[X][S] 75

UHD[X][S] 100

UHD[X][S] 125

Orifice Quantity

Natural Gas

Orifice Marking

P/N

91930049

91930046

Propane

Orifice Marking

1.15 mm

1.25 mm

P/N

91930115

91930125

Remove four screws to remove
manifold.
Ensure gas tight fitting of orifices
Ensure correct

alignment with

burners.
Ensure all pipe joints are gas tight.

Содержание UHDX 75

Страница 1: ...ll 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 in...

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Страница 3: ...arder tous les objets liquides ou vapeurs inflammables la distance minimale de l unit de chauffage requise avec les mat riaux combustibles Certains objets prendront feu ou exploseront s ils sont plac...

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Страница 5: ...ing System 12 SECTION 8 Air Supply 18 8 1 Separated Combustion Installation 18 8 2 Building Ventilation 18 8 3 Outside Combustion Air Supply 18 SECTION 9 Gas Piping 19 9 1 Connections 19 SECTION 10 Wi...

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Страница 7: ...Horizontal Vent Termination 16 Figure 12 Concentric Vent Box 16 Figure 13 Concentric Vertical and Horizontal Vent Termination Separated Combustion Heater 17 Figure 14 Gas Connection 20 Figure 15 Autom...

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Страница 9: ...and operated under the general concepts of reasonable use and installed using the best building practices This equipment is not intended for use by persons including children with reduced physical se...

Страница 10: ...031102 Vent Length Label 91039505 Vent to Outdoors Label 91010427 Warning Label 91010429 Rating Plate Label 91039804 Installation Label 91010431 Instruction Location Label 91010433 Lighting Instructio...

Страница 11: ...02 Vent Length Label 91039505 Vent to Outdoors Label 91010427 Warning Label 91010429 Rating Plate Label 91039804 Installation Label 91010431 Instruction Location Label 91010433 Lighting Instruction La...

Страница 12: ...acking of the adhesive strips on the rear surface and position the tag on a wall near the heater A copy of the wall tag P N 91039833 is illustrated on the back cover Know your model number and install...

Страница 13: ...tible material using shelf mounting brackets See Page 10 Figure 6 and Page 10 Figure 7 for details May be suspended from above See Page 9 Section 6 2 or from wall brackets of sufficient strength to su...

Страница 14: ...F 50 C above room temperature Building materials with a low heat tolerance such as plastics vinyl siding canvas tri ply etc may be subject to degradation at lower temperatures It is the installer s an...

Страница 15: ...Refer to Natural Gas and Propane Installation Code Standard CSA B149 1 latest revision 5 4 Electrical The heater must be electrically grounded in accordance with the following codes United States Refe...

Страница 16: ...must be installed on the positive pressure side of the circulating air blower Air flow through the heater must be as shown on Page 8 Figure 4 and may not be reversed The air flow must be adjusted suc...

Страница 17: ...er must be installed in accordance with clearances to combustibles as indicated on the serial plate wall tag and throughout the manual See Page 6 Section 4 6 3 Wall Mounting For typical suspension See...

Страница 18: ...t Number Qty Wall Shelf Mounting Bracket Kit 12011002K 1 Wall Suspension Mounting Bracket Kit 12011001K 1 Shelf Mounting Bracket Kit 12011000K 1 Description Part Number Qty Wall Suspension Mounting Br...

Страница 19: ...inlet located within 10 3 1 m Vent must terminate at least 4 1 2 m below 4 1 2 m horizontally from or 1 3 m above any door operable window or gravity air inlet into any building NFPA 54 ANSI Z223 1 l...

Страница 20: ...be common vented up to four heaters For vent lengths greater than 10 3 0 m condensation will form Insulation is recommended and condensation drains may be desired Venting through the top of the heater...

Страница 21: ...tat so that the equipment will operate continuously 5 For any equipment having a draft hood test for draft hood equipment spillage at the draft hood relief opening after five minutes of main burner op...

Страница 22: ...PROFILE DUCT FURNACE INSTALLATION OPERATION AND SERVICE MANUAL 14 of 45 Figure 9 Standard Vented Heater Vertical and Horizontal Vent Termination Model Vent Diameter Part Number UHD X 75 125 4 10 cm 9...

Страница 23: ...t opposition between streams of combustion gases Roof 2 6 m Minimum Type B vent cap 7 18 cm or 8 20 cm may be used These are not available from the manufacurer Roof Flashing Approved Thimble If Applic...

Страница 24: ...cm 90502102 4 10 cm Single Wall Vent Pipe By Others Seal joint between single wall and Type B vent with silicone sealant Use 3 sheetmetal screws equally spaced around joint Use 3 sheetmetal screws equ...

Страница 25: ...mbustion Heater Description Part Number Qty Concentric Vent Kit UHVK1 Concentric Vent Box Top Side Assembly 90504113 1 Concentric Vent Box Bottom Assembly 90504112 1 Screw 6 x 3 8 Self Drilling 911191...

Страница 26: ...combustion air supply is required separated combustion model UHD X S heaters must be used Caution If the building has a slight negative pressure or corrosive contaminants such as halogenated hydrocar...

Страница 27: ...out drawing contact the local gas supplier An isolating valve and union connection should be used and fitted into the supply adjacent to the heater A minimum 1 8 NPT plugged tapping accessible for tes...

Страница 28: ...UHD LOW PROFILE DUCT FURNACE INSTALLATION OPERATION AND SERVICE MANUAL 20 of 45 Figure 14 Gas Connection...

Страница 29: ...ode CSA C22 1 Part I latest revision 10 1 Positioning Thermostats A room thermostat should be mounted on a vibration free wall or column at a height of approximately 5 1 5 m from the floor to measure...

Страница 30: ...ernal Wiring Diagram IMPORTANT For field wiring into service junction box or if any of the original wire supplied with the heater must be replaced it must be replaced with wiring material having a tem...

Страница 31: ...ANT For field wiring into service junction box or if any of the original wire supplied with the heater must be replaced it must be replaced with wiring material having a temperature rating of at least...

Страница 32: ...LATION OPERATION AND SERVICE MANUAL 24 of 45 10 5 Electrical Connection to the Heater IMPORTANT Junction box is not provided with heater Conduit can also be attached directly to heater with wire junct...

Страница 33: ...om the heater inlet pipe up to the main gas valve inlet test nipple 11 1 3 Mechanical Checks 1 Check that the flue and air intake for separated combustion units is installed in accordance with the ins...

Страница 34: ...ts 10 Seconds Signals Output By Control Required Incoming Signals Flue Blower Pressure Switch P C NO NC 30 Seconds Purge Purge time begins at pressure switch change over 30 Seconds Post If at any stag...

Страница 35: ...15 minutes and then re check settings Adjust pressure setting if necessary 2 Check gas flow rate at gas meter 3 Turn off heater and electrical supply 4 Remove the manometer and refit all covers to the...

Страница 36: ...Reset Limit Switch The limit thermostat is located inside the hinged access door of the heater See Page 40 Section 15 3 This control protects against excessive heat build up inside the burner compartm...

Страница 37: ...ture limit switch persistently trips there is a fault which must be investigated by a contractor qualified in the installation and service of gas fired heating equipment 12 4 1 Simple Troubleshooting...

Страница 38: ...n burner which may have formed in the injectors or venturi of the burner 4 Check condition of ignition electrode and flame probe Clean off any deposits which may have formed check condition of ceramic...

Страница 39: ...ck control settings and operation The Vicinity of the Heater Do not store or use flammable objects liquids or vapors near the heater Immediately remove these items if they are present See Page 5 Secti...

Страница 40: ...ould be 1 8 3 2 mm Thermostat There should be no exposed wire or damage to the device or wiring See Page 21 Section 10 Suspension Points Make sure the heater is hanging securely Look for signs of wear...

Страница 41: ...e to follow these instructions can result in death electric shock injury or property damage Burn Hazard Allow heater to cool before service Tubing may still be hot after operation Explosion Hazard Tur...

Страница 42: ...UHD LOW PROFILE DUCT FURNACE INSTALLATION OPERATION AND SERVICE MANUAL 34 of 45 14 1 General...

Страница 43: ...ng For Automatic Ignition Burner Systems For optimum heater performance use only replacement parts sold and supplied by Rapid Engineering LLC Conduct start up procedure as shown on Page 25 Section 11...

Страница 44: ...ww rapidengineering com Replace ignition control Use General Troubleshooting section to trace the fault Heater Operating TROUBLESHOOT ENDS No Repair or replace as required Is inlet burner gas pressure...

Страница 45: ...utlet of the valve rise when valve turns on No Yes Is gas pressure at inlet of the valve correct for gas type Note pressure found No Yes START For optimum heater performance use only replacement parts...

Страница 46: ...hat the gas flow direction of the valve is correct Use a minimum amount of gas seal on the thread joint Check that all the joints are leak free Reset gas valve See Page 27 Section 11 2 2 IT IS IMPORTA...

Страница 47: ...uantity 5 6 7 Natural Gas Orifice Marking 49 46 46 P N 91930049 91930046 91930046 Propane Orifice Marking 1 15 mm 1 25 mm 1 25 mm P N 91930115 91930125 91930125 Remove four screws to remove manifold E...

Страница 48: ...steel 409 stainless steel Description Part Number Qty Spark Electrode 90427411 1 Automatic Ignition Flame Probe 90439300 1 Transformer 90436900K 1 Ignition Module 90434008 1 Inshot Burners UHD X S 75...

Страница 49: ...ate to the vent box To remove the blower from the mounting plate remove screws Refit in reverse order To change the vent and air intake orientation from back to top remove the blower and mounting plat...

Страница 50: ...e Ensure correct location of ignition cable and all other wiring 15 8 Limit Switches 15 8 1 Removal and Replacement 1 Remove the electrical connections to the switch 2 Unscrew the two screws securing...

Страница 51: ...6 0 15 2 2 8 7 1 6 8 17 3 2 5 6 4 3 3 8 4 1 9 4 8 20 3 51 6 10 4 26 4 0 6 1 5 0 5 1 4 UHD X S 100 in cm 28 7 73 0 22 7 57 6 22 3 56 6 17 6 44 7 18 6 47 2 2 0 5 0 6 0 15 2 2 7 6 9 8 6 21 8 3 3 8 4 1 9...

Страница 52: ...re Rise Maximum Air Volume F C 22 12 22 12 20 11 Heat Exchanger Pressure Drop Maximum Air Volume in wc 0 36 0 55 0 98 Flue Size Air Intake in cm 4 10 All models Duct Size Width in cm 16 3 4 43 21 3 4...

Страница 53: ...e and or serial number are removed defaced modified or altered in any way The ownership of the RAPID UHD Series is moved or transferred This warranty is nontransferable Rapid Engineering LLC is not pe...

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