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Weather-Rite UHA100, Инструкция по установке, эксплуатации и обслуживанию

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Installation, Operation

& Service Manual

Models UHA[X][S]

30, 45, 60, 75, 100, 125

P/N WR111100NA 11/14 Rev. H

UHA-Series

Tubular Unit and Utility Heaters

(Low Profile Range)

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
   

supplier, call the Fire Department.

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

Installation must be done by a contractor qualified 
in the installation and service of gas-fired heating 
equipment or your gas supplier.

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.

Installer

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.

Owner

Keep this manual in a safe place in order to provide

your service technician with necessary information.

© 2014 Weather-Rite LLC

Weather-Rite LLC

616 North 5

th

 Street

Minneapolis, MN 55401
Telephone: +1.612.338.1401
Fax: +1.612.338.6783
Toll Free: 800.589.3691

www.weather-rite.com

Содержание UHA100

Страница 1: ...plode when placed close to heater Failure to follow these instructions can result in death injury or property damage WARNING Installation must be done by a contractor qualified in the installation and service of gas fired heating equipment or your gas supplier Improper installation adjustment alteration service or maintenance can result in death injury or property damage Read the Installation Oper...

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Страница 3: ...s ils sont placés à proximité de l unité de chauffage Le non respect de ces instructions peut entraîner la mort des blessures corporelles ou des dommages matériels 2014 Weather Rite LLC AVERTISSEMENT L installation doit être effectuée par un entrepreneur qualifié dans l installation et l entretien d appareils de chauffage au gaz ou par votre fournisseur de gaz L installation le réglage la modifica...

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Страница 5: ...on Installation 21 8 2 Building Ventilation 21 8 3 Outside Combustion Air Supply 21 SECTION 9 Gas Piping 22 9 1 Connections 22 SECTION 10 Wiring 24 10 1 Positioning Thermostats 24 10 2 Low Voltage Thermostat with One Heater 24 10 3 UHA X S Internal Wiring Diagram 25 10 4 UHA X S Ladder Wiring Diagram 26 10 5 Electrical Connection to the Heater 27 SECTION 11 Operation and Maintenance 28 11 1 Pre St...

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Страница 7: ...er Vertical and Horizontal Vent Termination 19 Figure 13 Concentric Vent Box 19 Figure 14 Concentric Vertical and Horizontal Vent Termination Separated Combustion Heater 20 Figure 15 Gas Connection 23 Figure 16 Automatic Burner Control Sequence 29 Figure 17 Gas Valve for Models UHA X S 30 45 29 Figure 18 Gas Valve for Models UHA X S 60 125 30 Figure 19 Manual Reset Limit Switch 33 Figure 20 LED Di...

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Страница 9: ...nd pressure and adjustment of the equipment are compatible This heater must be applied 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 sensory or mental capabilities or lack of experience and knowledge unless they have been given supervision or instru...

Страница 10: ...Hazard Label 91010430 Vent Length Label 91039505 Vent to Outdoors Label 91010427 Warning Label 91010429 Rating Plate Label 91010423 Installation Label 91010431 Instruction Location Label 91010433 Lighting Instruction Label 91010425 Venting Arrangement Label 91010426 Manual Reset Switch Label 91010428 Proposition 65 Label 91070015 For separated combustion units only ...

Страница 11: ...ent Length Label 91039505 Vent to Outdoors Label 91010427 Warning Label 91010429 Rating Plate Label 91010423 Installation Label 91010431 Instruction Location Label 91010433 Lighting Instruction Label 91010425 Venting Arrangement Label 91010426 Manual Reset Switch Label 91010428 Proposition 65 Label 91070015 For separated combustion units only ...

Страница 12: ...abel 91031104 Cut Hazard Label 91010430 Vent Length Label 91039505 Vent to Outdoors Label 91010427 Warning Label 91010429 Rating Plate Label 91010423 Installation Label 91010431 Instruction Location Label 91010433 Lighting Instruction Label 91010425 Venting Arrangement Label 91010426 Proposition 65 Label 91070015 For separated combustion units only ...

Страница 13: ...ed on the back cover Know your model number and installed configuration Model number and installed configuration are found on the heater serial plate and throughout the Installation Operation and Service Manual 2 2 Corrosive Chemicals Weather Rite LLC cannot be responsible for ensuring that all appropriate safety measures are undertaken prior to installation this is entirely the responsibility of ...

Страница 14: ...ting brackets See Page 11 Figure 6 and Page 12 Figure 7 for details May be suspended from above See Page 11 Figure 5 or from wall brackets of sufficient strength to support the heater as listed in the Technical Data Table on Page 50 Section 16 2 Drop rods must be a minimum of 3 8 diameter mild steel Four suspension points 3 8 nuts are located on top of the heater Must be installed in a manner whic...

Страница 15: ...heater The stated clearances to combustibles represents a surface temperature of 90 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 and owner s responsibility to assure that adjacent materials are protected from degradation Maintain clearances from h...

Страница 16: ...ication fans are installed Clearance to Vent 2 5 cm 23 58 4 cm minimum is necessary for servicing The heater must always be installed at least 6 1 8 m above the floor The vent pipe must have clearance from combustibles by 2 5 cm If installed at low levels where individuals can come in contact with hot heat exchanger components adequate guarding must be provided All distances are minimum clearance ...

Страница 17: ...nada 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 Refer to National Electrical Code NFPA 70 latest revision Wiring must conform to the most current National Electrical Code local ordinances and any special diagrams furnished Canada Refer to Canadian...

Страница 18: ...ervicing The heater must be installed in accordance with clearances to combustibles as indicated on the wall tag and this manual 6 2 Shelf Mounting and Suspension For typical suspension See Page 11 Figure 5 For typical shelf mounting on existing shelf See Page 11 Figure 6 6 3 Wall Mounting For typical suspension See Page 12 Figure 7 Wall mounted heaters blowing parallel to the wall can only be ins...

Страница 19: ...nsion Methods Figure 6 Shelf Mounting Methods Shelf Mounting Brackets Description Part Number Qty Shelf Mounting Bracket Kit 12011000K 1 Shelf Mounting Bracket 11111510 2 Screw 10 x 1 2 Type AB Phil HWH Z 94311008 2 Existing cabinet screws must be re used ...

Страница 20: ...Bracket Kit 12011000K 1 Description Part Number Qty Wall Suspension Mounting Bracket Kit 12011001K 1 Wall Mounting Bracket Arm Left 111WALL1L 1 Wall Mounting Bracket Arm Right 111WALL1R 1 Wall Mounting Bracket Vertical 111WALL2 2 Wall Mounting Bracket Diagonal 111WALL3 2 5 16 x 3 1 2 Bolt 97213925 6 5 16 Lock Nut with Nylon Insert 92114000 6 5 16 Flat Washer 95211600 6 5 16 Lockwasher 96411600 6 H...

Страница 21: ... Louver Bracket 11111903 2 10 Screw 94311008 4 UHA X S 30 45 Vertical Louvers 11111901 5 Louver Spring 90901200 2 Instruction Sheet 91040036 1 Description Part Number Qty Vertical Louver Kit UHA X S 60 UHA X S 75 12011005K 1 Vertical Louver Bracket 11111903 2 10 Screw 94311008 4 Instruction Sheet 91040036 1 Description Part Number Qty Vertical Louver Kit UHA X S 100 UHA X S 125 12011004K 1 Vertica...

Страница 22: ...zontally from or 1 3 m above any door operable window or gravity air inlet into any building NFPA 54 ANSI Z223 1 latest revision National Fuel Gas Code specifies a 4 1 2 m horizontal vent terminal clearance from gas and electric meters regulators and relief equipment 7 2 2 Canadian Requirements The vent shall not terminate within 6 1 8 m of a mechanical air supply inlet to any building The vent sh...

Страница 23: ...alled on the floor level where the gas equipment is to be installed In addition the installing plumber or gasfitter shall observe that a battery operated or hard wired carbon monoxide detector with an alarm is installed on each additional level of the dwelling building or structure served by the side wall horizontal vented gas fueled equipment It shall be the responsibility of the property owner t...

Страница 24: ...the venting system for proper size and horizontal pitch as required by the NFPA 54 ANSI Z223 1 latest revision National Fuel Gas Code US or Standard CSA B149 1 Natural Gas and Propane Installation Code Canada and these instructions Determine that there is no blockage or restriction leakage corrosion and other deficiencies which could cause an unsafe condition 3 Close all building doors and windows...

Страница 25: ...SECTION 7 VENTING 17 of 51 Figure 9 Vent and Roof Detail Figure 10 Standard Vented Heater Vertical and Horizontal Vent Termination Model Vent Diameter Part Number UHA X 30 125 4 10 cm 90502102 ...

Страница 26: ...st be positioned to avoid opposition between streams of combustion gas 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 Applicable Type B Vent Pipe 4 10 cm Single Wall Pipe 4 10 cm Single Wall Pipe D Area must equal sum of open area of individual vents D Single Wall Pipe The last section of vent pipe pa...

Страница 27: ...ION 7 VENTING 19 of 51 Figure 12 Separated Combustion Heater Vertical and Horizontal Vent Termination Figure 13 Concentric Vent Box Model Air Intake Vent Diameter Part Number UHA X S 30 125 4 10 cm 90502102 ...

Страница 28: ...t Termination Separated Combustion Heater Description Part Number Qty Concentric Vent Kit UHVK1 1 Concentric Vent Box Top Side Assembly 90504113 1 Concentric Vent Box Bottom Assembly 90504112 1 Screw 6 x 3 8 Self Drilling 91119100 14 4 10 cm Vent Terminal with Baffle Plate 90502102R 1 6 16 cm Combustion Air Terminal 90502103 1 ...

Страница 29: ...ide Combustion Air Supply If outside combustion air supply is required separated combustion model UHA X S heaters must be used Caution If the building has a slight negative pressure or corrosive contaminants such as halogenated hydrocarbons are present in the air an outside combustion air supply to the heater is required Seal all combustion air pipe joints The outside air terminal must not be more...

Страница 30: ... not included in the layout 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 test connection must be installed immediately upstream of the gas supply connection to the heater For suspended heaters an approved metal flexible connection between the isolating...

Страница 31: ...SECTION 9 GAS PIPING 23 of 51 Figure 15 Gas Connection ...

Страница 32: ...be mounted on a vibration free wall or column at a height of approximately 5 1 5 m from the floor to measure the ambient temperature It should be clear of both cold drafts and the direct path of warm air from the heater Avoid mounting thermostat on outside walls or in areas directly exposed to radiant heat or sunlight Install wall tag in a visible location near thermostat See Page 5 Section 2 1 fo...

Страница 33: ...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 105 C 221 F and 600 volts For supply connections use No 14 AWG or larger wires ...

Страница 34: ...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 temperature rating of at least 105 C 221 F and 600 volts For supply connections use No 14 AWG or larger wires ...

Страница 35: ... 10 WIRING 27 of 51 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 ...

Страница 36: ... nipple 11 1 4 Mechanical Checks 1 Check that the fan is free to run and delivery louvers are turned to give required air deflection 2 Check that the flue and air intake for separated combustion units is installed in accordance with the instructions in this manual and local regulations See Page 14 Section 7 11 2 Begin Start Up 11 2 1 Before Operating the Heater To ensure that all the controls are ...

Страница 37: ... 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 Axial Fan 30 Seconds Delay 90 Seconds Delay 30 Seconds Post Purge If at any stage the flame fails the control will retry for ignition The control has four trials for ignition before a one hour lockout Gas Outlet Outlet Pressure Pressure Regulator Desc...

Страница 38: ... adjust the regulator if the pressure is not changing If the inlet pressure is too low to allow correct burner pressure setting then the gas inlet pressure must be corrected before completing the start up 11 2 2 2 Check Gas Rate 1 After burner pressure adjustment allow the heater to operate for at least 15 minutes and then re check settings Adjust pressure setting if necessary 2 Check gas flow rat...

Страница 39: ...te each control to ensure that they function correctly Set the switches if fitted and thermostat s to the users requirements 11 6 Complete Start Up Ensure that all covers are fitted correctly and all test points are properly sealed 11 7 Instruction to the User Explain the controls of the heater to the user including how to turn it on and off using the controls equipped on site Give this manual to ...

Страница 40: ...ter Immediately call a qualified service technician to inspect the heater and replace any gas control which has been under water 12 2 Common User Controls 12 2 1 Manual Reset Limit Switch On residentially approved models the limit thermostat is located inside the hinged access door of the heater See Page 44 Section 15 3 This control protects against excessive heat build up inside the burner compar...

Страница 41: ...e If a temperature 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 Burner Faults If the burner fails to ignite for any reason it will retry for ignition four trials total After four unsuccessful ignition trials the control will put the heater into locko...

Страница 42: ... 2 2 Remove burner side panel Electrode and flame probe should remain attached See Page 44 Section 15 3 3 Remove burner assembly from cabinet via four screws two on top and two on bottom Clean any deposits from the main 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 co...

Страница 43: ...nd supplied by Weather Rite LLC and conform to all requirements set forth in the WEATHER RITE manuals and all applicable governmental authorities pertaining to the installation service operation and labeling of the equipment To help facilitate optimum performance and safety Weather Rite LLC recommends that a qualified contractor conduct at a minimum annual inspections of your WEATHER RITE equipmen...

Страница 44: ... spider webs will cause problems Carefully remove any dust and debris from the burner Direct Spark Igniter Replace if there are cracked ceramics excessive carbon residue or erosion of the electrode The electrode gap should be 1 8 3 2 mm Thermostat There should be no exposed wire or damage to the device or wiring See Page 24 Section 10 Suspension Points Make sure the heater is hanging securely Look...

Страница 45: ...re 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 Turn off gas supply to heater before service DANGER Electrical Shock Hazard Disconnect electric before service Heater must be connected to a properly grounded electrical source ...

Страница 46: ...UHA LOW PROFILE UNIT HEATER INSTALLATION OPERATION AND SERVICE MANUAL 38 of 51 14 1 General ...

Страница 47: ...ING 39 of 51 14 2 Troubleshooting For Automatic Ignition Burner Systems For optimum heater performance use only replacement parts sold and supplied by Weather Rite LLC Conduct start up procedure as shown on Page 28 Section 11 ...

Страница 48: ...51 14 3 Troubleshooting for Flame Supervision System NOTE Minimum flame probe current 1 µA DC Typical flame probe current 3 5 µA DC To measure flame current connect a 0 50 µA DC meter in series with the flame probe If the meter reads negative values then reverse the test leads ...

Страница 49: ...of 51 14 4 Troubleshooting for Gas Valves 14 5 Troubleshooting for Flue Blower For optimum heater performance use only replacement parts sold and supplied by Weather Rite LLC Conduct start up procedure as shown on Page 28 Section 11 ...

Страница 50: ...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 30 Section 11 2 2 IT IS IMPORTANT THAT ONLY THE CORRECT GAS VALVE IS USED WHEN REPLACING THESE CONTROLS Carbon Monoxide Hazard WARNING Use only genuine WEATHER RITE replacement parts per this installation operation and service manual Failure to follow these instructions ...

Страница 51: ...tural Gas Orifice Marking 49 49 49 49 46 46 P N 91930049 91930049 91930049 91930049 91930046 91930046 Propane Orifice Marking 56 56 56 1 15 mm 1 25 mm 1 25 mm P N 91930056 91930056 91930056 91930115 91930125 91930125 Remove four screws to remove manifold Ensure gas tight fitting of injectors Ensure correct alignment with burners Ensure all pipe joints are gas tight ...

Страница 52: ...hot Burners UHA X S 30 92000002 2 Inshot Burners UHA X S 45 92000002 3 Inshot Burners UHA X S 60 92000002 4 Inshot Burners UHA X S 75 92000002 5 Inshot Burners UHA X S 100 92000002 6 Inshot Burners UHA X S 125 92000002 7 Limit Switch 90412104 1 Manual Reset Limit Switch 90412106 1 To replace the electrode or flame probe remove the electrical lead and screw Pull out from mounting Refit in reverse e...

Страница 53: ... X S 60 75 UHA X S 100 125 Horizontal Louvers P N 11111900 Spring P N 91901200 Quantity 3 5 7 Description Part Number Qty Vertical Louver Kit UHA X S 30 UHA X S 45 12011003K Vertical Louver Bracket 2 UHA X S 30 45 Vertical Louvers 4 Louver Spring 5 Instruction Sheet 2 10 Screw 1 10 Screw 4 Description Part Number Qty Vertical Louver Kit UHA X S 60 UHA X S 75 12011005K Vertical Louver Bracket 2 UHA...

Страница 54: ...g the fan and mounting plate 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 plate as above Remove intake and exhaust covers from top of the heater Rotate the blower mounting plate and gasket clockwise until the flue adapter lines up with the top hole Secu...

Страница 55: ...sembled and balanced MODEL UHA X S 30 UHA X S 45 UHA X S 60 UHA X S 75 UHA X S 100 UHA X S 125 Pressure Switch Kit P N 90439804 90439804 90439804 90439804 90439805 90439803 Color Code white white white white blue grey Set Point in wc 0 47 0 47 0 47 0 47 0 55 0 41 Pressure Switch Snap Ring P N 90439850 90439850 90439850 90439850 90439850 90439850 Carbon Monoxide Hazard Use correct pressure switch s...

Страница 56: ...y Weather Rite LLC 15 10 Limit Switches 15 10 1 Removal and Replacement 1 Remove the electrical connections to the switch 2 Unscrew the two screws securing the switch 3 Fit a new switch with two screws 4 Reconnect the electrical connections and test operation Description Part Number Quantity Axial Fan UHA X S 30 12011910 1 Axial Fan UHA X S 45 12011911 1 Axial Fan UHA X S 60 12011920 1 Axial Fan U...

Страница 57: ...1 4 UHA X S 60 in cm 28 7 73 0 17 7 45 0 22 3 56 6 17 6 44 7 18 6 47 2 28 0 71 1 5 0 12 7 2 8 7 1 6 8 17 3 7 5 19 1 3 3 8 4 1 9 4 8 20 3 51 6 10 4 26 4 0 6 1 5 0 5 1 4 UHA X S 75 in cm 28 7 73 0 17 7 45 0 22 3 56 6 17 6 44 7 18 6 47 2 28 0 71 1 5 0 12 7 2 8 7 1 6 8 17 3 7 5 19 1 3 3 8 4 1 9 4 8 20 3 51 6 10 4 26 4 0 6 1 5 0 5 1 4 UHA 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 ...

Страница 58: ...Flue and Air Intake Size in cm 4 10 All Models Maximum Straight Flue Air Intake ft m 25 7 6 25 7 6 25 7 6 25 12 2 40 12 2 40 12 2 Weight Net lbs kg 65 29 5 70 31 8 85 38 6 90 40 8 105 47 6 110 49 9 Model UHA X S 30 UHA X S 45 UHA X S 60 UHA X S 75 UHA X S 100 UHA X S 125 Total Input Btu h x 1000 30 45 60 75 100 125 Total Output Btu h x 1000 24 6 36 9 49 2 61 5 82 102 5 Efficiency 82 All Models Nat...

Страница 59: ...ed annual maintenance history The data plate and or serial number are removed defaced modified or altered in any way The ownership of the WEATHER RITE UHA Series is moved or transferred This warranty is nontransferable Weather Rite LLC 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 contr...

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