Revolv VMA1-50N Installation And Service Manual Download Page 51

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

DOES SYSTEM RUN UNTIL

THERMOSTAT IS SATISFIED?

CHECK ALL

WIRING FOR

LOOSE CONNECTIONS.

CHECK FOR SHORT IN WIRE TO

THERMOSTAT AND CORRECT

IF NECESSARY.

DOES BURNER SHUT OFF

WHEN THERMOSTAT IS

SATISFIED?

DOES THE CIRCULATING

AIR BLOWER TURN OFF
AFTER THERMOSTAT IS

SATISFIED WITHIN

120 SECONDS?

Yes

IS LED LIGHT

ON INTEGRATED

CONTROL FLASHING?

Summary of Contents for VMA1-50N

Page 1: ...ations 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...

Page 2: ...s instructions If you cannot reach your gas supplier call the fire department If the information in these instructions is not followed exactly a fire or explosion may result causing property damage p...

Page 3: ...K CONDENSATE DRAIN LINE AND TRAP ASSEMBLY 26 L ELECTRICAL WIRING 27 V STARTING THE UNIT 33 A SEQUENCE OF OPERATION 33 B INITIAL START UP 35 C ADJUSTMENT OF BTU INPUT RATE 36 D BURNER ADJUSTMENT 37 E...

Page 4: ...d by qualified service personnel 1 I SAFETY INFORMATION This and the following page contain reproductions of the various warning and instruction labels placed on the Condensing Gas Furnaces Please rea...

Page 5: ...be performed by qualified service personnel 2 This and the previous page contain reproductions of the various safety and instruction labels placed on the Condensing Gas Furnaces Please read and compl...

Page 6: ...e NFPA 54 ANSI Z233 1 Latest Edition 6 Always install furnace with a duct system that has an external static pressure within the allowable range referenced in specifications 7 Make sure supply air duc...

Page 7: ...come from bleaches air fresheners or mastics Vapors from such products can form acid compounds when burned in a gas flame Should acid compounds form in your furnace it may reduce the life of the furn...

Page 8: ...nace LP gas is especially dangerous because the specific gravity of LP gas allows it to accumulate at floor level at a dangerous concentration Heat exchanger oil will burn off on initial firing creati...

Page 9: ...MENSIONS CABINET SIZE SUPPLY AIR OUTLET ELECTRICAL SUPPLY FUSE OR HACR BREAKER TOTAL CURRENT AMPS NOMINAL ANTICIPATOR SETTING FILTER SIZE APPROXIMATE SHIPPING WEIGHT BLOWER DATA BLOWER MODEL MOTOR HOR...

Page 10: ...temperature rise of 40 F to 70 F through the furnace after installation See rating label located on separator panel inside the furnace vestibule The installation must conform with local codes or in t...

Page 11: ...ican National Standard ANSI Z223 1 NFPA 54 for all gas fired furnaces d American National Standard ANSI C1 NFPA 70 Electric Code for all electrical field wiring e These gas fired units have been inves...

Page 12: ...ed with respect to the duct system 2 The furnace installation is only intended for free air return through the furnace door louvers DO NOT connect a ducted return air system directly to the furnace An...

Page 13: ...services must be performed by qualified service personnel 10 Combustible Floor Base Model V70 BASE Figure 1A Coil Cabinet Model VE113S VE213T Note Coil Cabinet cannot be utilized as a cottage base VE...

Page 14: ...installations and services must be performed by qualified service personnel 11 Cottage Base Model VCOT BASE Figure 1C NOTE Serves as a plenum for single story applications with exposed supply air syst...

Page 15: ...or 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 duct requires 1 inch clearance to c...

Page 16: ...th the other hand This assures a tight connection between the base assembly and the connector duct and that the distribution duct will be full size Use high temperature tape and or high temperature si...

Page 17: ...ted in the floor or ceiling shall not be less than 250 square inches 4 The total free area of openings in the floor or ceiling registers serving the return duct system must be at least 350 square inch...

Page 18: ...connection shall be provided directly up stream of the burner to allow burner removal Unions must be of a ground joint type or flange jointed type using a gasket resistant to the applicable gas Pipe...

Page 19: ...be installed with outside combustion air 3 The flue vent pipe and combustion air pipe must be at least as large as the exhaust vent air intake pipe specified in this manual No reduction in size is pe...

Page 20: ...the PVC sleeve or coupling to the metal air intake collar on the burner box The screw securing the sleeve or coupling to the collar is sufficient 7 Use the two radiator hose clamps to connect both th...

Page 21: ...all connections in place This VMA furnace has been designed to be installed as a direct vent system and must have its combustion air brought in from outside the conditioned space The failure to insta...

Page 22: ...to a pool hot tub or spa Measures should be taken to prevent the entry of corrosive chemicals or vapors to the combustion and ventilation air supply Such chemicals include but are not limited to chlor...

Page 23: ...aust vent termination elbow shall be installed in accordance with these instructions and any applicable local codes Refer to Figures 7 and 8 for typical examples of proper terminations a The exhaust v...

Page 24: ...y from or 12 inches above any door window or gravity air inlet into a building The bottom of the vent terminal shall be located at least 12 inches above grade c The vent terminal shall not be located...

Page 25: ...All installations and services must be performed by qualified service personnel 22 Figure 9 NFGC Minimum Clearances Between the Vent Terminal and Various Building Features...

Page 26: ...d combustion air terminations shall be checked periodically at least at the start of each heating season for restriction or blockage from foreign material in the exhaust vent or in the air intake pipi...

Page 27: ...el screen is available from the furnace manufacturer part no V320219 J CONNECTING THE FURNACE TO ROOF VENT AIR TERMINATIONS The VMA is designed to be vented with either a concentric vent assembly or t...

Page 28: ...ugh the roof The outlet inlet of the vent and air intake terminations shall be a minimum of 12 inches above highest anticipated snow level The vent outlet must be installed a minimum of 12 in above th...

Page 29: ...ast the fire stop far enough to engage a PVC coupling that will rest on the fire stop and act as a support Seal between the pipe coupling and fire stop with high temperature RTV silicone sealant see F...

Page 30: ...EDITION 1 Electrical Branch Supply Circuit Route all electrical wiring to the left side of the furnace The power supply circuit to the furnace must be installed and grounded in accordance with the pr...

Page 31: ...er only 2 wires are required for the furnace a heating application only Electrical Wire Diameter Maximum Recommended Thermostat Wire Length AWG Feet 24 55 22 90 20 140 18 225 Once the furnace is insta...

Page 32: ...be grounded in accordance with local codes and with the National Electrical Code ANSI NFPA NO 70 Latest Edition when an external electrical source is utilized 4 BLOWER MOTOR SPEED WIRING Figure 15 BLO...

Page 33: ...ap Static Pressure Blower Motor Current Draw Amps vs External Static pressure in WC 0 1 0 2 0 3 0 4 0 5 0 6 0 7 Low 3 3 3 2 3 1 3 0 2 9 2 7 2 6 ML 4 0 3 8 3 6 3 5 3 4 3 2 3 1 MH 4 6 4 4 4 2 4 1 4 0 3...

Page 34: ...eed Tap Static Pressure Blower Motor Current Draw Amps vs External Static pressure in WC 0 1 0 2 0 3 0 4 0 5 0 6 0 7 Low 3 1 3 0 2 9 2 8 2 7 2 6 2 5 ML 3 9 3 8 3 6 3 5 3 3 3 2 3 1 MH 4 8 4 6 4 4 4 2 4...

Page 35: ...e module to obtain the desired CFM The unused speeds should then be reconnected to the module in the park positions Refer to figure 15 Refer to section II for blower speed and air flow performance for...

Page 36: ...WER INTERRUPTION SYSTEM SHUTS OFF RESTARTS WHEN POWER IS RESTORED PRESSURE SWITCH SENSES ADEQUATE DIFFERENTIAL PRESSURE CONTACTS CLOSE CONTROL BOARD ENERGIZED INDUCER ENERGIZED POWER IS APPLIED TO THE...

Page 37: ...AND THE GAS VALVE IS DE ENERGIZED AFTER PROOF OF FLAME LOSS INDUCER STARTS 5 SECOND POST SURGE AND OPTIONAL HUMIDIFIER ARE DE ENERGIZED THE DELAY TO FAN OFF PERIOD BEGINS 120 SECONDS IF SYSTEM IS IN L...

Page 38: ...and to the drain system OPERATING INSTRUCTIONS Turn off power to furnace before it is placed into service The gas piping system must have been leak tested by a qualified heating contractor in accordan...

Page 39: ...erate for 10 to 15 minutes and proceed as follows 1 Call your gas supplier and ask for the BTU content heating value of one cubic foot of the gas supplied to the installation area An alternate approac...

Page 40: ...ED PRESSURE MUST NOT EXCEED 0 3 WC A 0 3 WC adjustment will increase or decrease the input approximately 4 0 Replace screw cap when adjustment is complete The correct input can be assumed if the furna...

Page 41: ...each installation A lower temperature rise will result in a higher efficiency Temperature rise supply air temperature return air temperature After 10 to 15 minutes of continuous operation the tempera...

Page 42: ...rol as follows a Shut off incoming power b Block return air opening or disconnect blower motor leads c Restore power to furnace d Set thermostat above room temperature calling for heat e When temperat...

Page 43: ...e and may void the limited warranty on the furnace 6 Review with and encourage the user to read the label reproductions and all warnings and instructions in this manual 7 Recommend that the user have...

Page 44: ...tructed 2 CONDENSATE LINE TRAP ASSEMBLY The condensate line must be inspected to make sure it is not blocked All of the lines should be flushed with water to remove any build up of sediment 3 BURNERS...

Page 45: ...opening being careful not to bend or damage any of the fins c Once all components are cleaned they must be re installed to their factory produced state Any seals or joints in the flue system which hav...

Page 46: ...BE PERFORMED BY QUALIFIED HEATING CONTRACTORS To assist you in troubleshooting this furnace it is equipped with an integrated ignition control with diagnostics These diagnostics evaluate what control...

Page 47: ...en 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 Continuous flashing Flame has...

Page 48: ...LOCK SERVICE SWITCH AND FUSES No CHECK FOR CONTINUITY PROPER CONNECTIONS No Yes Yes REPLACE TRANSFORMER No Yes Yes No No Yes ARE WIRES CONNECTED PROPERLY No CORRECT WIRE CONNECTIONS No Yes Yes No Yes...

Page 49: ...ER TERMINALS IND IND N AT THE INTEGRATED CONTROL CHECK THE INTEGRATED CONTROL DIAGNOSTIC LED LAMP RESET BY INTERRUPTING POWER TO CONTROL FOR MORE THAN ONE SECOND IF LED STAYS ON CONTINUOUSLY REPLACE I...

Page 50: ...OF FLAME CHECK Yes CHECK ACROSS THE CIRCULATING AIR BLOWER TERMINALS CIR N HEAT FOR PROPER VOLTAGE REPLACE THE INTEGRATED CONTROL No No Yes DOES THE CIRCULATING AIR FAN COME ON WHEN ENERGIZED No DOES...

Page 51: ...SATISFIED CHECK ALL WIRING FOR LOOSE CONNECTIONS CHECK FORSHORTIN WIRE TO THERMOSTAT AND CORRECT IF NECESSARY DOES BURNERSHUTOFF WHENTHERMOSTATIS SATISFIED No DOES THE CIRCULATING AIR BLOWER TURNOFF...

Page 52: ...TUCK OPEN 4 FLASHES THEN PAUSE OPEN LIMIT SWITCH OR ROLLOUT 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 IMP...

Page 53: ...All installations and services must be performed by qualified service personnel 50 APPENDIX A REPLACEMENT PARTS...

Page 54: ...All installations and services must be performed by qualified service personnel 51...

Page 55: ...All installations and services must be performed by qualified service personnel 52 APPENDIX B WIRING DIAGRAM...

Page 56: ...All installations and services must be performed by qualified service personnel 53...

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