Rapid Engineering UHAT 150 Installation, Operation & Service Manual

Rapid Engineering UHAT 150 Installation, Operation & Service Manual

Uha-series tubular unit heaters
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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.
© 2014 Rapid Engineering LLC
Tubular Unit Heaters
(Standard Range)
Installation, Operation
& Service Manual
Models UHA[T][M][X][S]
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.
Keep this manual in a safe place in order to provide
your service technician with necessary information.
Rapid Engineering LLC
1100 Seven Mile Road NW
Comstock Park, MI 49321
Telephone: +1.616.784.0500
Fax: +1.616.784.1910
Toll Free: 800.536.3461
www.rapidengineering.com
UHA-Series
150, 175, 200, 225
250, 300, 350, 400
Owner
P/N RP111101NA 11/14 Rev. J

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Summary of Contents for Rapid Engineering UHAT 150

  • Page 1 Rapid Engineering LLC 1100 Seven Mile Road NW Comstock Park, MI 49321 Telephone: +1.616.784.0500 Fax: +1.616.784.1910 Toll Free: 800.536.3461 www.rapidengineering.com P/N RP111101NA 11/14 Rev. J © 2014 Rapid Engineering LLC...
  • Page 3 Rapid Engineering LLC 1100 Seven Mile Road NW Comstock Park, MI 49321 Téléphone: +1.616.784.0500 Fax: +1.616.784.1910 Numéro sans fraís: 800.536.3461 www.rapidengineering.com P/N RP111101FC 11/14 Rev. J © 2014 Rapid Engineering LLC...
  • Page 5: Table Of Contents

    All rights reserved. No part of this work covered by the copyrights herein may be reproduced or copied in any form or by any means - graphic, electronic, or mechanical, including photocopying, recording, taping or information storage and retrieval systems - without the written permission of Rapid Engineering LLC. Printed in U.S.A.
  • Page 6 16.4 Dimension Data for Models UHA[T][M][X][S] 300-400 ..............57 16.5 General Technical Data Table ........58 16.6 Technical Data Table ..........58 ® SECTION 17: The RAPID UHA-Series Warranty ....59...
  • Page 7 There are references in this manual to various trademarks. All trademarks mentioned herein, whether registered or not, are the property of their respective owners. Rapid Engineering LLC is not sponsored by or affiliated with any of the trademark or registered...
  • Page 9: Section 1: Heater Safety

    SECTION 1: H EATER AFETY SECTION 1: HEATER SAFETY Your Safety is Important to Us! Please contact Rapid Engineering LLC or your This symbol is used throughout RAPID ® independent distributor to obtain the manual to notify you of replacement signs or labels. See Page 2, Figure 1 possible fire, electrical or burn through Page 3, Figure 2.
  • Page 10: Figure 1: Uha[T][M][X][S]150 - 250 Label Placement

    UHA S TANDARD EATER NSTALLATION PERATION AND ERVICE ANUAL Figure 1: UHA[T][M][X][S]150 - 250 Label Placement Description Part Number Logo Label 91031102 Cut Hazard Label 91010430 Vent Length Label 91039505 Vent to Outdoors Label 91010427 Warning Label 91010429 Rating Plate Label 91010418 Installation Label 91010431...
  • Page 11: Figure 2: Uha[T][M][X][S]300 - 400 Label Placement

    SECTION 1: H EATER AFETY Figure 2: UHA[T][M][X][S]300 - 400 Label Placement Description Part Number Logo Label 91031102 Cut Hazard Label 91010430 Vent Length Label 91039505 Vent to Outdoors Label 91010427 Warning Label 91010429 Rating Plate Label 91010418 Installation Label 91010431 Instruction Location Label 91010433...
  • Page 12: Section 2: Installer Responsibility

    Failure to follow these instructions can result intakes. in product damage. • To provide access for servicing. Rapid Engineering LLC cannot be responsible for • To provide the owner with a copy of this ensuring that all appropriate safety measures are Installation, Operation and Service Manual.
  • Page 13: Section 3: Critical Considerations

    SECTION 3: C RITICAL ONSIDERATIONS SECTION 3: CRITICAL CONSIDERATIONS 3.1 Basic Information • Drop rods must be a minimum of 3/8" diameter mild steel. Four suspension points (3/8" nuts) UHA[T][M][X][S] heaters have automatic ignition burners for ON/OFF, HIGH/LOW or modulate within are located on top of the heater.
  • Page 14: Section 4: Clearances To Combustibles

    UHA S TANDARD EATER NSTALLATION PERATION AND ERVICE ANUAL SECTION 4: CLEARANCES TO COMBUSTIBLES 4.1 Required Clearances to Combustibles exposure to combustible airborne materials or vapors. WARNING 4.2 Clearances to Combustibles Clearances must be as indicated on Page 7, Figure 3.
  • Page 15: Figure 3: Installation Clearances And Clearances To Combustibles

    SECTION 4: C LEARANCES COMBUSTIBLES Figure 3: Installation Clearances and Clearances to Combustibles Installation Clearances Clearances to Combustibles Roof Terminal (Optional separated combustion concentric venting shown.) 6" (15 cm) 6" (15 cm) 6" 31"** (79 cm) (15 cm) 24" (61 cm) for Wall (3 m) adequate...
  • Page 16: Section 5: National Standards And Applicable Codes

    UHA S TANDARD EATER NSTALLATION PERATION AND ERVICE ANUAL SECTION 5: NATIONAL STANDARDS AND APPLICABLE CODES 5.1 Gas Codes 5.4 Electrical The type of gas appearing on the serial plate The heater must be electrically grounded in must be the type of gas used. Installation must accordance with the following codes: comply with national and local codes and United States: Refer to National Electrical...
  • Page 17: Section 6: Heater Installation

    SECTION 6: H EATER INSTALLATION SECTION 6: HEATER INSTALLATION 6.1 General 6.2 Suspension Heaters are designed for installation above 6' WARNING (1.8 m). These heaters must be installed within the Crush Hazard heated space. Duct delivery systems are not permitted with axial fan units. When handling or Use 3/8"...
  • Page 18: Section 7: Venting

    UHA S TANDARD EATER NSTALLATION PERATION AND ERVICE ANUAL SECTION 7: VENTING regulators and relief equipment. WARNING 7.1.2 Canadian Requirements Carbon Monoxide Hazard The vent shall not terminate within 6' (1.8 m) of a mechanical air supply inlet to any building. Heaters must be vented outdoors.
  • Page 19: Horizontal Venting

    SECTION 7: V ENTING concentric vent box and a concentric vent/air intake Completely seal all joints, refer to Page 10, Section pipe penetrates the wall or roof. See Page 15, 7.2. Figure 9 and Page 16, Figure 10. If penetrating a combustible wall or roof, a listed thimble with 2"...
  • Page 20: Figure 5: Vent And Roof Detail

    UHA S TANDARD EATER NSTALLATION PERATION AND ERVICE ANUAL dampers and any other gas-burning piece(s) of equipment to their previous conditions of use. 7. If improper venting is observed during any of the above tests, the venting system must be corrected by a contractor qualified in the installation and service of gas-fired equipment or your local gas supplier.
  • Page 21: Figure 6: Standard Vented Heater - Vertical And Horizontal Vent Termination

    SECTION 7: V ENTING Figure 6: Standard Vented Heater - Vertical and Horizontal Vent Termination Vent Termination Flashing 12" (31 cm) (By Others) Minimum from roof to vent termination Listed thimble through combustible roof Listed thimble Vent through combustible wall 90°...
  • Page 22: Figure 7: Standard Vented Heater - Common Vertical Vent Termination

    UHA S TANDARD EATER NSTALLATION PERATION AND ERVICE ANUAL Figure 7: Standard Vented Heater - Common Vertical Vent Termination Type "B" vent cap (7" [18 cm] or 8" [20 cm]) may be SIDE VIEW used. (These are not available from the manufacurer.) Type "B"...
  • Page 23: Figure 8: Separated Combustion Heater - Vertical And Horizontal Vent Termination

    SECTION 7: V ENTING Figure 8: Separated Combustion Heater - Vertical and Horizontal Vent Termination Model **Vent Diameter Part Number UHA[T][M][X]S 150 - 400 4" (10 cm) 90502102 Model *Air Intake Diameter Part Number UHA[T][M][X]S 150 - 250 4" (10 cm) 90502102 UHA[T][M][X]S 300 - 400 5"...
  • Page 24: Figure 10: Concentric Vertical And Horizontal Vent Termination - Separated Combustion Heater

    UHA S TANDARD EATER NSTALLATION PERATION AND ERVICE ANUAL Figure 10: Concentric Vertical and Horizontal Vent Termination - Separated Combustion Heater Vent Terminal 4" (10 cm) with Baffle Plate Type B-1Vent Combustion Air Terminal 6" (16 cm) Minimum 12" (31 cm) Maximum UHAS 150-250: 6"...
  • Page 25: Section 8: Air Supply

    SECTION 8: A UPPLY SECTION 8: AIR SUPPLY WARNING Explosion Hazard Equipment must have access to uncontaminated air at all times. Failure to follow these instructions can result in death, injury or property damage. 8.1 Separated Combustion Installation When installed as a separated combustion heater (UHA[T][M][X]S), the air for combustion is drawn in from outside the building.
  • Page 26: Section 9: Gas Piping

    UHA S TANDARD EATER NSTALLATION PERATION AND ERVICE ANUAL SECTION 9: GAS PIPING Canada: Rubber type 1 gas hose (Canadian WARNING models) 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 - latest revision.
  • Page 27: Figure 11: Gas Connection

    SECTION 9: G IPING Figure 11: Gas Connection CAUTION Product Damage Hazard Hold gas nipple securely with pipe wrench when attaching flexible gas connector. Failure to follow these instructions can result in product damage. Option A: Stainless Steel Flexible Gas Connector •...
  • Page 28: Section 10: Wiring

    UHA S TANDARD EATER NSTALLATION PERATION AND ERVICE ANUAL SECTION 10: WIRING 10.1.1 Fan Control The heater’s axial fan can be used during the off- DANGER season for air circulation. A low voltage programmable thermostat with fan switch (P/N 90425400) must be used. For thermostat connection details See Page 21, Section 10.2.
  • Page 29: Low Voltage Thermostat For Models Uha[T][M][X][S] 150-400

    SECTION 10: W IRING 10.2 Low Voltage Thermostat for Models UHA[T][M][X][S] 150-400 NOTE: Models 300-400 have two axial fans. NOTE: Electrical supply is located below terminal strip. 21 of 59...
  • Page 30: Uha[X][S] Series Internal Wiring Diagram For Single Stage Gas Valves

    UHA S TANDARD EATER NSTALLATION PERATION AND ERVICE ANUAL 10.3 UHA[X][S] Series Internal Wiring Diagram for Single Stage Gas Valves NOTE: 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 221° F (105°...
  • Page 31: Uha[X][S] Series Ladder Wiring Diagram For Single Stage Gas Valves

    SECTION 10: W IRING 10.4 UHA[X][S] Series Ladder Wiring Diagram for Single Stage Gas Valves NOTE: 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 221° F (105°...
  • Page 32: Uha[T][X][S] Series Internal Wiring Diagram For Two Stage Gas Valves

    UHA S TANDARD EATER NSTALLATION PERATION AND ERVICE ANUAL 10.5 UHA[T][X][S] Series Internal Wiring Diagram for Two Stage Gas Valves HIGH COMMON W2 HIGH/LOW CONTROL NOTE: 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 221°...
  • Page 33: Uha[T][X][S] Series Ladder Wiring Diagram For Two Stage Gas Valves

    SECTION 10: W IRING 10.6 UHA[T][X][S] Series Ladder Wiring Diagram for Two Stage Gas Valves HIGH STAGE NOTE: 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 221° F (105°...
  • Page 34: Uha[M][X][S] Series Internal Wiring Diagram For Modulating Gas Valves

    UHA S TANDARD EATER NSTALLATION PERATION AND ERVICE ANUAL 10.7 UHA[M][X][S] Series Internal Wiring Diagram for Modulating Gas Valves NOTE: 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 221° F (105°...
  • Page 35: Uha[M][X][S] Series Ladder Diagram For Modulating Gas Valves

    SECTION 10: W IRING 10.8 UHA[M][X][S] Series Ladder Diagram for Modulating Gas Valves NOTE: 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 221° F (105°...
  • Page 36: Electrical Connection To The Heater

    UHA S TANDARD EATER NSTALLATION PERATION AND ERVICE ANUAL 10.9 Electrical Connection to the Heater Note: Junction box is not provided with heater. Conduit can also be attached directly to heater with wire junction made within the heater cabinet. 28 of 59...
  • Page 37: Section 11: Operation And Maintenance

    SECTION 11: O PERATION AND AINTENANCE SECTION 11: OPERATION AND MAINTENANCE WARNING DANGER Electrical Shock Hazard Explosion Hazard Burn Hazard Cut/Pinch Hazard Disconnect electric Turn off gas supply to Allow heater to cool Wear protective gear before service. heater before service. before service.
  • Page 38: Begin Start-Up

    UHA S TANDARD EATER NSTALLATION PERATION AND ERVICE ANUAL 11.2 Begin Start-Up 11.2.1 Before Operating the Heater To ensure that all the controls are in safe working order, operate the heater for the first time with the isolating gas valve turned off and power supply turned on.
  • Page 39: Figure 13: Single Stage Gas Valve For Models Uha[X][S] 150 - 400

    SECTION 11: O PERATION AND AINTENANCE Figure 13: Single Stage Gas Valve for Models UHA[X][S] 150 - 400 TOP VIEW Regulator END VIEW Outlet Gas Inlet Pressure Description Part Number Gas Valve 150 - 250 NG 90032505 Gas Valve 150 - 250 LP 90032506 Gas Valve 300 - 400 NG 90032520...
  • Page 40: Figure 15: Modulating Gas Valve For Models Uha[M][X][S] 150 - 400

    UHA S TANDARD EATER NSTALLATION PERATION AND ERVICE ANUAL Figure 15: Modulating Gas Valve for Models UHA[M][X][S] 150 - 400 Description Part Number Gas Valve 150 - 250 NG 90032505 Gas Valve 150 - 250 LP 90032506 Gas Valve 300 - 400 NG 90032520 Gas Valve 300 - 400 LP 90032521...
  • Page 41 SECTION 11: O PERATION AND AINTENANCE 11.2.2 Start-Up the Gas Valve (All Gases) 3. To measure low fire burner pressure disconnect 10 VDC signal to modulating valve. 11.2.2.1 Check Burner Gas Pressure (Single Stage) NOTE: Low fire burner pressure is set at factory and not field adjustable.
  • Page 42: Pressure Switch

    UHA S TANDARD EATER NSTALLATION PERATION AND ERVICE ANUAL 11.3 Pressure Switch The pressure switch is factory pre-set for each model and is not adjustable. 11.4 Turning Off the Heater Set the thermostat to the "OFF" position or lowest setting and the main burner will stop. The fan(s) will continue to run until it is stopped automatically by the fan thermostat.
  • Page 43: Section 12: User Instructions

    SECTION 12: U NSTRUCTIONS SECTION 12: USER INSTRUCTIONS WARNING DANGER 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. during installation, operation and service.
  • Page 44: Figure 16: Led Diagnostic Codes

    UHA S TANDARD EATER NSTALLATION PERATION AND ERVICE ANUAL Figure 16: LED Diagnostic Codes LED INDICATION FAULT MODE Slow Flash Normal Operation - No call for heat. Fast Flash Normal Operation - Call for heat. 2 Flashes Ignition Lockout - No flame detected. 3 Flashes Airflow Fault - Pressure switch open or closed.
  • Page 45: Section 13: Servicing

    SECTION 13: S ERVICING SECTION 13: SERVICING WARNING DANGER Electrical Shock Hazard Explosion Hazard Burn Hazard Cut/Pinch Hazard Disconnect electric Turn off gas supply to Allow heater to cool Wear protective gear before service. heater before service. before service. during installation, operation and service.
  • Page 46: Heat Exchanger Maintenance

    Do not repair or disassemble gas valve. installation and service equipment sold and supplied Replace faulty gas valves with genuine replacement by Rapid Engineering LLC and conform to all parts sold and supplied by Rapid Engineering LLC. ® requirements set forth in the RAPID...
  • Page 47 Cabinet Exterior After installation, touch up scratches. Periodic paintings should be done thereafter as required. Warning labels and logo labels should be legible and accurate. Please contact Rapid Engineering LLC or RAPID ® independent dis- tributor if you need replacement warning labels or logo labels.
  • Page 48 ERVICE ANUAL Wall Tag If a wall tag is present, make sure it is legible and accurate. Please contact Rapid Engineering LLC or your RAPID ® independent distributor if you need a wall tag. See Page 4, Section 2.1. 40 of 59...
  • Page 49: Section 14: Troubleshooting

    SECTION 14: T ROUBLESHOOTING SECTION 14: TROUBLESHOOTING WARNING DANGER 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. during installation, operation and service.
  • Page 50: General

    UHA S TANDARD EATER NSTALLATION PERATION AND ERVICE ANUAL 14.1 General 42 of 59...
  • Page 51: Troubleshooting For Automatic Ignition Burner Systems

    SECTION 14: T ROUBLESHOOTING 14.2 Troubleshooting For Automatic Ignition Burner Systems For your safety and optimum heater performance, use only replacement parts sold and supplied by Rapid Engineering LLC. Conduct start-up procedure as shown on Page 29, Section 11. 43 of 59...
  • Page 52: Troubleshooting For Flame Supervision System

    Repair or replace as required. If problems persist, contact Heater Operating Rapid Engineering LLC at TROUBLESHOOT ENDS. www.rapidengineering.com NOTE: Minimum flame probe current 1 µA DC. Typical flame probe current 3-5 µA DC. 44 of 59...
  • Page 53: Troubleshooting For Gas Valves

    Replace with one of lower when valve turns off? correct type. If problems persist, contact Valve Operating Rapid Engineering LLC at TROUBLESHOOT ENDS. www.rapidengineering.com 14.5 Troubleshooting for Flue Blower START Does flue blower run...
  • Page 54: Section 15: Replacement Parts

    UHA S TANDARD EATER NSTALLATION PERATION AND ERVICE ANUAL SECTION 15: REPLACEMENT PARTS DANGER WARNING Electrical Shock Hazard Explosion Hazard Carbon Monoxide Hazard Fire Hazard ® Use only genuine RAPID 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 on Page 37, Replace in reverse order.
  • Page 55: Burner Compartment For Models Uha[T][M][X][S]

    SECTION 15: R EPLACEMENT ARTS 15.2 Burner Compartment for Models UHA[T][M][X][S] 150-400 Side View of Burner Compartment with Hinged Door Removed Before burner removal, remove the 10 screws holding the filler panel on and remove the filler panel. NOTE: Models UHA 300-400 have two axial fans.
  • Page 56 UHA S TANDARD EATER NSTALLATION PERATION AND ERVICE ANUAL 15.2.2 Burner Injectors for Models UHA[T][M][X][S] 150-400 Remove 4 screws to remove manifold. Ensure gas tight fitting of injectors. Ensure correct alignment with burners. Ensure all pipe joints are gas tight. [T][M][X][S] [T][M][X][S] [T][M][X][S]...
  • Page 57: Ignition Electrode And Flame Probe For Models Uha[T][M][X][S] 150-400

    SECTION 15: R EPLACEMENT ARTS 15.3 Ignition Electrode and Flame Probe for Models UHA[T][M][X][S] 150-400 To replace the ignition electrode or flame probe, remove the electrical lead and screw. Pull out from mounting. Refit in reverse ensuring that the gap to burner is as shown in the front view of the burner compartment.
  • Page 58: Heat Exchanger

    UHA S TANDARD EATER NSTALLATION PERATION AND ERVICE ANUAL 15.4 Heat Exchanger The heat exchanger consists of a four-pass design with 1.75" outer diameter [aluminized steel] [409 stainless steel] tube. The tube plates are made of [aluminized steel] [409 stainless steel]. The tube supports are made of [aluminized steel] [409 stainless steel].
  • Page 59: Flue Blower For Models Uha[T][M][X][S] 150-300

    SECTION 15: R EPLACEMENT ARTS 15.6 Flue Blower for Models UHA[T][M][X][S] 150-300 Remove screws securing outlet flange to the flue adapter. Refit in reverse order. Disconnect electrical connections at plug in tabs. Remove screws securing flue fan mounting plate to vent box.
  • Page 60: Flue Blower For Models Uha[T][M][X][S] 350-400

    UHA S TANDARD EATER NSTALLATION PERATION AND ERVICE ANUAL 15.7 Flue Blower for Models UHA[T][M][X][S] 350-400 Remove screws securing outlet Rear Panel flange to the flue adapter. Flue Adapter to Flue Blower Hole screw Refit in reverse order. Vent Box Flue Vent Box Outlet...
  • Page 61: Pressure Switch

    SECTION 15: R EPLACEMENT ARTS 15.8 Pressure Switch WARNING Carbon Monoxide Hazard Use correct pressure switch specified for each model. Use of incorrect pressure switch or disabling pressure switch circuit could cause unsafe condition. Failure to follow these instructions can result in death or serious injury.
  • Page 62: Limit Switches

    • Strictly comply with the color code of the fan wires to ensure correct operation. See Page 22, Section 10.3, Page 24, Section 10.5 or Page 26, Section 10.7 wiring diagram. • Use only genuine replacement parts sold and supplied by Rapid Engineering LLC. 54 of 59...
  • Page 63: Section 16: Specifications

    SECTION 16: S PECIFICATIONS SECTION 16: SPECIFICATIONS 16.1 Dimension Data for Models UHA[T][M][X][S] 150-250 Model UHA[T][M][X][S]150 UHA[T][M][X][S]175 UHA[T][M][X][S]200 UHA[T][M][X][S]225 UHA[T][M][X][S]250 in (cm) 42.4 (107.7) 42.4 (107.7) 42.4 (107.7) 42.4 (107.7) 42.4 (107.7) in (cm) 26.7 (67.8) 26.7 (67.8) 35.0 (88.9) 35.0 (88.9) 35.0 (88.9) in (cm)
  • Page 64: General Technical Data Table

    UHA S TANDARD EATER NSTALLATION PERATION AND ERVICE ANUAL 16.2 General Technical Data Table UHA[T][M][X][S] UHA[T][M][X][S] UHA[T][M][X][S] UHA[T][M][X][S] UHA[T][M][X][S] Model Full Load Amps @ 120 V 10.6 10.6 10.6 10.6 10.6 Air Volume 3500 3500 3716 3716 3716 Flue and Air Intake Flue Intake Size in (cm) 4 (10)
  • Page 65: Dimension Data For Models Uha[T][M][X][S] 300-400

    SECTION 16: S PECIFICATIONS 16.4 Dimension Data for Models UHA[T][M][X][S] 300-400 57 of 59...
  • Page 66: General Technical Data Table

    UHA S TANDARD EATER NSTALLATION PERATION AND ERVICE ANUAL Model UHA[T][M][X][S]300 UHA[T][M][X][S]350 UHA[T][M][X][S]400 in (cm) 52.3 (132.8) 52.3 (132.8) 52.3 (132.8) in (cm) 43.2 (109.7) 43.2 (109.7) 43.2 (109.7) in (cm) 25.5 (64.8) 25.5 (64.8) 25.5 (64.8) in (cm) 24.7 (62.7) 24.7 (62.7) 24.7 (62.7) in (cm)
  • Page 67: Section 17: The Rapid Uha-Series Warranty

    Parts or have additional questions, call or write: fails due to a manufacturing or material defect. Rapid Engineering LLC will require the part in question to Rapid Engineering LLC be returned to the factory. Rapid Engineering LLC will, at...

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