Rapid UHDX 75 Installation, Operation & Service Manual Download | Manualshive

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UHD L

OW

P

ROFILE

D

UCT

F

URNACE

I

NSTALLATION

O

PERATION AND

S

ERVICE

M

ANUAL

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 junction made within the heater cabinet.

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Summary of Contents for UHDX 75

Page 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...

Page 2: ......

Page 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...

Page 4: ......

Page 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...

Page 6: ......

Page 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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Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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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