Revolv VMA1-50N Installation And Service Manual
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Revolv VMA1-50N Installation And Service Manual

Revolv gas fired high efficiency furnace
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P/N: MG-511 (Printed Instruction Manual)
Note: This page is not to be included as part of printed hard copy.
Overall Specifications:
Material: white plain paper
Printed text: black
Binder: staple upper left corner
Individual page specifications:
Cover page: printed single-side up
Warranty page: printed single-side down (facing out as last page of manual)
The balance of instruction manual pages to be printed utilizing both front and back side of paper.

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  • Page 1 P/N: MG-511 (Printed Instruction Manual) Note: This page is not to be included as part of printed hard copy. Overall Specifications: Material: white plain paper Printed text: black Binder: staple upper left corner Individual page specifications: Cover page: printed single-side up Warranty page: printed single-side down (facing out as last page of manual) The balance of instruction manual pages to be printed utilizing both front and back side of paper.

  • Page 2: For Your Safety

    GAS FIRED HIGH EFFICIENCY FURNACE DOWN FLOW & DIRECT VENT (SEALED COMBUSTION) MODEL: VMA1-50N & VMA1-75N INSTALLATION AND SERVICE MANUAL For installation in: 1. Manufactured Homes 2. Modular Homes/Buildings 3. Site Constructed—Residential (Single Story Dwellings) FOR YOUR SAFETY Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance.

  • Page 3: Table Of Contents

    TABLE OF CONTENTS SECTION BEGINNING PAGE SAFETY INFORMATION FURNACE SPECIFICATIONS III. GENERAL INSTRUCTIONS AND CLEARANCES IV. GENERAL INSTALLATION A. FURNACE LOCATION B. BASE INSTALLATION C. ALCOVE INSTALLATION D. CLOSET INSTALLATION E. FUEL PIPING F. GENERAL VENTING REQUIREMENTS G. CONNECTING THE EXHAUST VENT, AND COMBUSTION AIR INTAKE H.

  • Page 4: Safety Information

    All installations and services must be performed by qualified service personnel. I. SAFETY INFORMATION This and the following page contain reproductions of the various warning and instruction labels placed on the Condensing Gas Furnaces. Please read and comply with the contents of these labels.
  • Page 5 All installations and services must be performed by qualified service personnel. This and the previous page contain reproductions of the various safety and instruction labels placed on the Condensing Gas Furnaces. Please read and comply with the contents of these labels.
  • Page 6 All installations and services must be performed by qualified service personnel. The following safety information should be read, understood, and followed by the installer. 1. Use only with type of gas approved for this furnace. Refer to furnace rating plate. 2.
  • Page 7 All installations and services must be performed by qualified service personnel. The vent and air intake elbows must be kept away from bushes, shrubs or any vegetation that may restrict the flow of flue products. It must also be kept clear of any leaves, weeds or other combustible materials. Keep the vent hood clear of snow.
  • Page 8 All installations and services must be performed by qualified service personnel. : Copper and brass tubing and fittings (except tin lined) shall not be used if the gas contains more than a trace (0.3 grains per 100 cubic ft.) of hydrogen sulfide gas.

  • Page 9: Furnace Specifications

    All installations and services must be performed by qualified service personnel. II. FURNACE SPECIFICATIONS - VMA SERIES MODEL VMA1-50 VMA1-75 INPUT IN BTUH 50,000 75,000 OUTPUT IN BTUH 48,000 72,000 MAIN ORIFICE-NAT. MAIN ORIFICE-LP 1.5 mm GAS SUPPLY PRESSURE L.P. MINIMUM 11”...

  • Page 10: General Instructions And Clearances

    All installations and services must be performed by qualified service personnel. INSTALLATION PARTS PACKAGE VMA*-50 VMA*-75 PARTS PKG# VS00S4182 VS00S4183 DESCRIPTION PART # PART # J-box cover V350020 V350020 wire nut V300132 V300132 3" stainless steel hose clamp V300276 V300276 2-3/8"...
  • Page 11 All installations and services must be performed by qualified service personnel. accordance with the latest edition of the UL Standard for Single and Multiple Station Carbon Monoxide Alarms, UL 2034, or the CSA International Standard, Residential Carbon Monoxide Alarming Devises, CSA 6.19. 5.

  • Page 12: General Installation

    All installations and services must be performed by qualified service personnel. MODELS VMA CLOSET ALCOVE FRONT 6” 18” BACK 0” 0” SIDES 0” 0” VENT CONNECTOR(PVC) 0” 0” 0” 0” PLENUM SIDES 1” 1” TOP AND SIDES OF DUCT 1” 1”...
  • Page 13 All installations and services must be performed by qualified service personnel. Combustible Floor Base Model: V70-BASE Figure 1A. Coil Cabinet Model: VE113S / VE213T Note: Coil Cabinet cannot be utilized as a cottage base. VE113S VE213T Figure 1B.
  • Page 14 All installations and services must be performed by qualified service personnel. Cottage Base Model: VCOT-BASE Figure 1C. NOTE: Serves as a plenum for single story applications with exposed supply air systems.

  • Page 15: Base Installation

    All installations and services must be performed by qualified service personnel. B. BASE INSTALLATION 1. Combustible Floor Base Model: V70-BASE Use the base bottom panel as a template to mark floor opening locations (see Figure 2). Cut a square opening in the floor for the supply air connector duct. Cut the opening 1-inch larger than the square template opening.

  • Page 16: Alcove Installation

    All installations and services must be performed by qualified service personnel. connector duct. Remove the bottom panel. Cut an opening in the distribution duct slightly larger than the connector duct. (refer to Figure 2 for location of this cut.) Cut the connector duct to length. Install the connector duct. Bend over each tab. Insure an airtight seal by using high temperature sealant or tape on the joint.

  • Page 17: Closet Installation

    All installations and services must be performed by qualified service personnel. D. CLOSET INSTALLATION 1. The return air opening into the closet is to have a minimum free area of 250 sq. in. (see Figure 5). 2. The return air opening may be located in the top, center or (ideally) bottom of the closet door or side wall.

  • Page 18: Fuel Piping

    All installations and services must be performed by qualified service personnel. E. FUEL PIPING Sizing and installation of fuel lines must be in accordance with Federal, State & Local regulations. Including the National Fuel Gas Code NFPA 54/ANSI-Z233.1 (Latest Edition). NOTE: These furnaces are designed to be gas piped through the left side or the bottom.

  • Page 19: General Venting Requirements

    All installations and services must be performed by qualified service personnel. The furnace and its gas valve must be disconnected from the gas supply during pressure testing of the gas supply system at pressures in excess of 1/2 PSIG or 14 inches w.c F.
  • Page 20 All installations and services must be performed by qualified service personnel. MAXIMUM VENT LENGTH VENT SIZE 2 IN. PVC FURNACE VENT EXHAUST COMBUSTION AIR INTAKE MODEL LENGTH VENT ELBOWS (NO.) (FT.) ELBOWS (NO.) *Note the drain elbow supplied with VMA furnaces count as 1 elbow. **Note the two 45°...

  • Page 21: Connecting The Exhaust Vent And Combustion Air Intake

    All installations and services must be performed by qualified service personnel. G. CONNECTING THE EXHAUST VENT AND COMBUSTION AIR INTAKE Figure 6. shows the typical exhaust vent and combustion air intake connection for VMA furnace. Figure 6. (VMA*-75 SHOWN) NOTICE: The exhaust vent pipe must be supported every 4 feet. After making sure the length of the piping is correct glue all connections in place.

  • Page 22: Direct Venting Through A Sidewall

    All installations and services must be performed by qualified service personnel. NOTICE: The air intake pipe must be supported every 4 feet. After making sure the length of the piping is correct, glue all connections in place except the connection to the burner box. If the combustion air piping is installed in a warm humid place, such as a laundry room or above a suspended ceiling, it must be insulated with a 1.0”...
  • Page 23 All installations and services must be performed by qualified service personnel. Figure 7: Proper Direct Vent Terminations (RH & LH views) and Vent Termination Only w/o Outside Combustion Air Intake (RH view) NOTICE: If exterior sidewall building materials are subject to degradation from contact with flue gases or moisture, a minimum 24-inch diameter shield shall be fabricated from stainless steel or UV-resistant plastic sheet.
  • Page 24 All installations and services must be performed by qualified service personnel. Figure 8: Typical Relative Locations of Direct Vent Terminations When Sidewall Venting 3. Exhaust Vent Terminal Location Clearance Requirements a. The vent terminal shall be located at least 3-feet above any forced air inlet located within 10-feet.
  • Page 25 All installations and services must be performed by qualified service personnel. Figure 9: NFGC Minimum Clearances Between the Vent Terminal and Various Building Features...

  • Page 26: Installation Of Outside Exhaust/Intake Terminations

    All installations and services must be performed by qualified service personnel. 4. Vent Terminal Location Guidelines : Bushes, shrubs, or any vegetation that may restrict the flow of flue products must be kept away from vent and air intake terminations. Terminations must also be kept clear of any leaves, weeds, combustible materials, snow, and ice build-up.
  • Page 27 All installations and services must be performed by qualified service personnel. inlet as shown in Figure 10, making sure that the spacing between the inlet and outlet complies with that noted in Figure 8. Figure 10: Typical Construction Details of Sidewall Vent and Air Intake Terminations 3.
  • Page 28 All installations and services must be performed by qualified service personnel. 3. Place second flashing plate on roof over existing hole. 4. Plate must be sealed to roof to ensure a weather proof seal. 5. Secure plate to roof. 6. Drop pvc pipes thru holes in flashing plates. 7.

  • Page 29: Condensate Drain Line And Trap Assembly

    All installations and services must be performed by qualified service personnel. When the PVC vent and combustion air intake pipes pass through a ceiling, and a fire stop is required. Refer to the following: CEILING: Frame out area around where PVC pipe is to penetrate ceiling. Cut a 2-3/8”...

  • Page 30: Electrical Wiring

    All installations and services must be performed by qualified service personnel. 3. An optional condensate pump (P/N V350225) is available. This pump will not fit into the vestibule of the furnace and must be installed below the furnace for operation. Instructions will be included with pump if this option is utilized. Figure 14.
  • Page 31 All installations and services must be performed by qualified service personnel. NOTE: Class 1 thermostat wire must be used inside the furnace burner compartment. a. Insert 24 VAC wires through the plastic grommet on the left side of the furnace casing. b.
  • Page 32 All installations and services must be performed by qualified service personnel. mounted junction box. The hot leg must pass through the disconnect switch in all cases to prevent the hazard of electrical shock when servicing. IMPORTANT: The furnace must be grounded in accordance with local codes and with the National Electrical Code, ANSI/NFPA NO.
  • Page 33 All installations and services must be performed by qualified service personnel. VMA1-50 ALTERATIONS REQ’D FOR A/C @ DESIGN EXTERNAL STATIC PRESSURE COOLING UNIT HTG Speed Recommended CLG Speed 24,000 MED-LOW 30,000 MED-HIGH 36,000 HIGH Speed Tap \ Furnace Airflow (CFM) vs. External Static pressure (in. WC.) Static Pressure 1044...
  • Page 34 All installations and services must be performed by qualified service personnel. VMA1-75 ALTERATIONS REQ’D FOR A/C @ DESIGN EXTERNAL STATIC PRESSURE COOLING UNIT HTG Speed Recommended CLG Speed 24,000 MED-LOW MED-LOW 30,000 MED-LOW MED-HIGH 36,000 MED-LOW HIGH Speed Tap \ Furnace Airflow (CFM) vs.
  • Page 35 All installations and services must be performed by qualified service personnel. : TURN OFF THE ELECTRICAL POWER to the furnace before attempting to change blower speed wiring. The furnace is factory wired to the ignition control with standard heating and cooling speeds. When changing motor speeds, simply switch the needed speed to either the heating or cooling terminal as applicable on the module to obtain the desired CFM.

  • Page 36: Starting The Unit

    All installations and services must be performed by qualified service personnel. V. STARTING THE UNIT A. SEQUENCE OF OPERATIONS AT ANY TIME THE CONTINUOUS SAFE OPERATION CHECK GAS VALVE IS IF FLAME SIMULATION CONDITION NOT ENERGIZED PRESENT OR ROLL-OUT SWITCH OPENS, SYSTEM ENERGIZES INDUCER FAN FOR 15 SECONDS AND CIRCULATOR BLOWER AT HEATING SPEED UNTIL SITUATION CORRECTION START...
  • Page 37 All installations and services must be performed by qualified service personnel. AFTER DELAY-TO-FAN-ON THE RETRY SEQUENCE MAIN PERIOD ENDS, CIRCULATING PROVIDES A 60 SECOND BURNER AIR FAN IS ENERGIZED AT WAIT BEFORE IGNITION OPERATION HEATING SPEED. THE (OPTIONAL) RETRY. RETRY IS ELECTRONIC AIR CLEANER ATTEMPTED WITH AN AND HUMIDIFIER ARE...

  • Page 38: Initial Start-Up

    All installations and services must be performed by qualified service personnel. B. INITIAL START UP: This furnace does not have a pilot. It is equipped with a hot surface igniter which automatically lights the burner. Do not attempt to light the burner by hand. Check the following items before the initial start-up.

  • Page 39: Adjustment Of Btu Input Rate

    All installations and services must be performed by qualified service personnel. C. ADJUSTMENT OF BTU INPUT RATE: The orifice for this furnace was sized: 1) for natural gas having a heating value of 1025 BTU per cubic foot and a specific gravity of .65, or 2) for liquefied propane gas with a heating value of 2500 BTU per cubic foot and a specific gravity of 1.55.

  • Page 40: Burner Adjustment

    All installations and services must be performed by qualified service personnel. GAS PRESSURE CHART FOR VMA* MODEL FURNACES SUPPLY PRESSURE MANIFOLD PRESSURE MAX 14” WC 3.5 + .3” WC MIN 4.5” WC MAX 14” WC PROPANE 10.0” + .3” WC MIN 11”...

  • Page 41: Setting Temperature Rise

    All installations and services must be performed by qualified service personnel. flames should be clear, blue and almost transparent in color. (see Figure 16). NOTE: It is not unusual to have orangish flames visible in the tube for LP gas. Figure 16.

  • Page 42: Furnace Checkout Procedure

    All installations and services must be performed by qualified service personnel. control, with one of the higher speed blower leads attached to a terminal marked “Park”. Be sure to attach any unused blower leads to a terminal marked “Park”. Replace the blower door and turn on the power supply. F.

  • Page 43: Installer's Instructions To User

    All installations and services must be performed by qualified service personnel. VI. INSTALLER'S INSTRUCTIONS TO USER: After completing the installation, the installer shall inform and/or demonstrate to the homeowner: 1. The location of all the instructions in the furnace and that the instructions must be kept along with instructions for any accessories in the plastic pouch.

  • Page 44: Electrical

    All installations and services must be performed by qualified service personnel. A. ELECTRICAL: 1. Check diagnostic code through view port prior to removing access door. 2. Check all wiring for loose connections and any signs of damage or unusual wear. 3.

  • Page 45: Heat Exchanger

    All installations and services must be performed by qualified service personnel. 5. GASKETS/SEALING MATERIALS Inspect all visible gaskets for signs of degradation or liquid seepage, especially any seals which were removed as part of the inspection. Replace any suspect gaskets. C.

  • Page 46: Troubleshooting

    All installations and services must be performed by qualified service personnel. FILTER MAINTENANCE PROCEDURE The filter is located inside front door of the VMA. Remove filter retaining rod and remove dirty filter. Clean the filter by vacuuming, rinsing with tap water, hosing or dipping in an ordinary detergent solution.
  • Page 47 All installations and services must be performed by qualified service personnel. 3 flashes, then pause pressure switch stuck open 4 flashes, then pause open high limit switch 6 flashes, then pause 115 volt AC power reversed 7 flashes, then pause low flame sense signal 8 flashes, then pause check ignitor or improper grounding...
  • Page 48 All installations and services must be performed by qualified service personnel. TROUBLESHOOTING GUIDE THE SYSTEM IS STARTED BY SETTING THE THERMOSTAT TO CALL FOR HEAT. THE FOLLOWING SHOULD HELP ESTABLISH THE TYPE OF MALFUNCTION OR DEVIATION FROM THE NORMAL OPERATION. TO USE THIS DIAGRAM, YOU JUST NEED TO FOLLOW THE INSTRUCTIONS IN THE BOXES.
  • Page 49 All installations and services must be performed by qualified service personnel. IS THERE LINE VOLTAGE CHECK THE INTEGRATED ACROSS INDUCER POWER CONTROL DIAGNOSTIC LED TERMINALS "IND" & "IND N" LAMP. RESET BY INTERRUPTING AT THE INTEGRATED CONTROL? POWER TO CONTROL FOR MORE THAN ONE SECOND.
  • Page 50 All installations and services must be performed by qualified service personnel. AFTER GAS VALVE CHECK FOR PROPER ADJUST TO 3.5" FOR NATURAL GAS OPENS, DO THE MANIFOLD PRESSURE. OR 10.0" WC FOR LP GAS BURNERS IGNITE? IS IGNITOR REPOSITION TO POSITIONED CORRECTLY? CORRECT LOCATION.
  • Page 51 All installations and services must be performed by qualified service personnel. DOES SYSTEM RUN UNTIL IS LED LIGHT CHECK ALL THERMOSTAT IS SATISFIED? ON INTEGRATED WIRING FOR CONTROL FLASHING? LOOSE CONNECTIONS. DOES BURNER SHUT OFF CHECK FOR SHORT IN WIRE TO WHEN THERMOSTAT IS THERMOSTAT AND CORRECT SATISFIED?
  • Page 52 All installations and services must be performed by qualified service personnel. IF LED LIGHT FLASHES: 1 FLASH, THEN PAUSE SYSTEM LOCKOUT 2 FLASHES, THEN PAUSE PRESSURE SWITCH STUCK CLOSED 3 FLASHES, THEN PAUSE PRESSURE SWITCH STUCK OPEN 4 FLASHES, THEN PAUSE OPEN LIMIT SWITCH OR ROLLOUT SWITCH 6 FLASHES, THEN PAUSE 115 VOLT AC POWER REVERSED...

  • Page 53: Appendix-Areplacement Parts

    All installations and services must be performed by qualified service personnel. APPENDIX – A REPLACEMENT PARTS...
  • Page 54 All installations and services must be performed by qualified service personnel.

  • Page 55: Appendix-Bwiring Diagram

    All installations and services must be performed by qualified service personnel. APPENDIX – B WIRING DIAGRAM...

  • Page 56: Warranty

    All installations and services must be performed by qualified service personnel.

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