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(V)R104GD
INSTALLATION INSTRUCTIONS
Single Package Gas Heating / Electric Cooling
Premium Model Shown
WARNING
FIRE OR EXPLOSION HAZARD
Failure to follow safety warnings exactly could
result in serious injury or property damage.
– Do not store or use gasoline or other flammable
vapors and liquids in the vicinity of this or any
other appliance.
WHAT TO DO IF YOU SMELL GAS
• Do not try to light any appliance.
• Do not touch any electrical switch; do not use
any phone in your building.
• Leave the building immediately.
• Immediately call your gas supplier from a
neighbors phone. Follow the gas suppliers
instructions.
• If you cannot reach your gas supplier, call the
fire department.
– Installation and service must be performed by
a qualified installer, service agency or the gas
supplier.
DO NOT DESTROY THIS MANUAL. READ ALL INSTRUCTIONS IN THIS MANUAL AND KEEP IN A SAFE PLACE FOR FUTURE REFERENCE.
NE PAS DÉTRUIRE. LIRE TOUTES LES INSTRUCTIONS DONNÉE DANS LE MANUEL ET CONSERVER EN UN LIEU SÛR POUR RÉFÉRENCE ULTÉRIEURE.
AVERTISSEMENT
RISQUE D'INCENDIE OU D'EXPLOSION
Si les consignes de sécurité ne sont pas suivies à la
lettre, cela peut entraîner la mort, de graves blessures
ou des dommages matériels.
– Ne pas entreposer ni utiliser de l'essence ni d'autres
vapeurs ou liquides inflammables dans le voisinage
de cet appareil, ni de tout autre appareil.
QUE FAIRE SI UNE ODEUR DE GAZ EST
DÉTECTÉE
• Ne mettre en marche aucun appareil.
• Ne toucher aucun interrupteur électrique; ne pas
utiliser de téléphone dans le bâtiment.
• Quitter le bâtiment immédiatement.
• Appeler immédiatement le fournisseur de gaz
en utilisant le téléphone d'un voisin. Suivre les
instructions du fournisseur de gaz.
• Si le fournisseur de gaz n'est pas accessible, appeler
le service d'incendie.
– L'installation et l'entretien doivent être effectués
par un installateur ou une entreprise d'entretien
qualifié, ou le fournisseur de gaz.
13.4 SEER2 / 81% AFUE
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Summary of Contents for Nortek VR104GD Series
- Page 1 13.4 SEER2 / 81% AFUE (V)R104GD INSTALLATION INSTRUCTIONS Single Package Gas Heating / Electric Cooling Premium Model Shown WARNING AVERTISSEMENT FIRE OR EXPLOSION HAZARD RISQUE D’INCENDIE OU D’EXPLOSION Failure to follow safety warnings exactly could Si les consignes de sécurité ne sont pas suivies à la lettre, cela peut entraîner la mort, de graves blessures result in serious injury or property damage.
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Page 2: Table Of Contents
TABLE OF CONTENTS IMPORTANT SAFETY INFORMATION ......3 START UP & ADJUSTMENTS ........14 Pre-Start Check List ............14 REQUIREMENTS & CODES ........... 4 Start-Up Procedure ............14 Air Circulation ............. 14 GENERAL INFORMATION ..........5 System Cooling ............15 Before you install this unit .......... -
Page 3: Important Safety Information
IMPORTANT SAFETY INFORMATION WARNING: Please read all instructions before servicing this equipment. Pay attention to all safety warnings and any other special These units are fully charged with R-410A refrigerant notes highlighted in the manual. Safety markings are used and ready for installation. When a system is installed frequently throughout this manual to designate a degree or according to these instructions, no refrigerant level of seriousness and should not be ignored. -
Page 4: Requirements & Codes
• Before beginning the installation, verify that the unit model (NFPA 90A), “Standard for Installation of Residence Type is correct for the job. The unit model number is printed on Warm Air Heating and Air Conditioning Systems” (NFPA the data label. Follow all precautions in the literature, on 90B), these instructions, and all applicable local codes. -
Page 5: General Information
GENERAL INFORMATION • Sufficient clearance for unobstructed airflow through the louvered control access panel and outdoor coil must be This single package gas heating / electric cooling unit is maintained in order to achieve rated performance. See designed only for outdoor rooftop or ground level slab Figure 1 for minimum clearances to obstructions. -
Page 6: Combustion Air & Venting Requirements
COMBUSTION AIR & VENTING REQUIREMENTS WARNING: AVERTISSEMENT: CARBON MONOXIDE POISONING HAZARD RISQUE D’INTOXICATION AU MONOXYDE DE CARBONE Failure to follow the steps outlined below for each appliance connected to the venting system Si les étapes décrites ci-dessous ne sont pas suivies pour chacun des appareils raccordés au système de being placed into operation could result in carbon ventilation au moment de sa mise en marche, cela peut... -
Page 7: General Information
General Information Figure 2 shows the proper installation of the vent cover assembly over the vent outlet on the exterior of the corner WARNING: panel. The fasteners used to secure the vent cover assembly have been included in the owner’s package. The following Installation methods other than those described in list summarizes the requirements for the location of the vent the following sections must comply with the National... -
Page 8: Circulating Air Supply
CIRCULATING AIR SUPPLY writing to: National Fire Protection Association, Batterymarch Park, Quincy, ME 02269 or visit www.NFPA.org on the web. WARNING: • Design the duct work according to Manual D by the Air Conditioning Contractors of America (ACCA). Products of combustion must not be allowed to •... -
Page 9: Unconditioned Spaces
Air Filter Requirements Air Filter An air filter is not supplied with this package unit as Clearances to Combustible Materials shipped from the factory. The installer must provide a high These units are certified as combination heating and cooling velocity filter that is appropriately sized to the return air duct equipment for outdoor rooftop or ground level installations. -
Page 10: Electrical Wiring
ELECTRICAL WIRING Condensate is removed from the unit through the 3/4” female pipe fitting located on the front side of the unit. See Figure 5 (page 10). WARNING: Install a 2 inch condensate trap in the drain line of the same size and prime with water. -
Page 11: Pre-Electrical Checklist
Pre-Electrical Checklist • A wiring diagram is located on the inside cover of the control √ Verify the voltage, frequency, and phase of the supply source access panel of the outdoor unit. The installer should become match the specifications on the unit rating plate. familiar with the wiring diagram before making any electrical √... -
Page 12: Blower Speed
Blower Speed GAS SUPPLY & PIPING The blower speed is preset at the factory for fan only, heating, WARNING: and cooling operation. These factory settings are listed in Table 7 (page 21) Table 8 (page 23). For optimum system performance and comfort, it may be necessary to FIRE OR EXPLOSION HAZARD change the factory set speed. -
Page 13: Leak Check
• Gas piping must never run in or through air ducts, • If pressure testing the gas supply lines at pressures chimneys, gas vents, or elevator shafts. greater than 1/2 psig (14 inches WC), the unit must be • Compounds used to seal joints on gas piping must be disconnected from the gas supply piping system to resistant to the actions of LP propane gas. -
Page 14: Start Up & Adjustments
√ Verify that the flame roll-out control is closed. If necessary, conversion kit. Please follow the instructions provided in each kit. Approved conversion kits are listed below: press the red button to reset the control. DO NOT install a • The United States LP/Propane Gas Sea Level and High jumper wire across the control to defeat its function. -
Page 15: System Cooling
MANIFOLD PRESSURE (IN W.C.) MANIFOLD PRESSURE (IN W.C.) AND ORIFICES FOR NATURAL GAS INSTALLATIONS FOR LP/PROPANE GAS INSTALLATIONS HEATING VALUE BTU/CU. FT ALTITUDE ABOVE ORIFICE ALTITUDE ABOVE MANIFOLD ORIFICE SEA LEVEL SIZE SEA LEVEL PRESSURE SIZE 800 TO 900 TO 1,000 TO 1,100 Zero to 1,999 Ft. -
Page 16: Manifold Pressure Adjustment
6. Multiply the gas flow rate in cubic feet per hour by the 4. Remove the close-off plate immediately after the over- heating value of the gas in Btu per cubic foot to obtain the temperature limit control opens. If the unit operates for more firing rate in Btu per hour. -
Page 17: Cooling Mode
EQUIPMENT MAINTENANCE this level. In general, whenever ignition failure occurs the warm-up interval is increased by 3 seconds on the next try. And if successful, it remains there. Minimum and maximum WARNING: warm-up time limits are set at 9 and 54 seconds. 7. -
Page 18: Cleaning Of Heat Exchanger
7. Remove 4 nuts securing the combustion blower to the CAUTION: collector pan. Remove the combustion blower. 8. Remove all screws securing the collector pan to the unit. The unit should never be operated without a filter Remove the collector pan from the unit. in the return air system. -
Page 19: Component Functions
TROUBLESHOOTING 8. Remove all screws securing the burner assembly to the unit. If the unit does not operate in the cooling mode, check the 9. Carefully remove the burner assembly from the unit. DO following: NOT DAMAGE THE IGNITER WHILE REMOVING THE •... -
Page 20: Figures & Tables
FIGURES & TABLES INSIDE PERIMETER 3/4" NPT OF BASE RAIL FEMALE DRAIN (IF USED) CONNECTOR 2.63 DOWNFLOW SUPPLY DUCT OPENING Top View 47.50 45.75 13.50 13.50 13.31 23.50 DOWNFLOW RETURN DUCT OPENING 1.75 HORIZONTAL HORIZONTAL RETURN DUCT SUPPLY DUCT OPENING OPENING 16.0 16.0... -
Page 21: Airflow Data
Airflow Data EXTERNAL STATIC PRESSURE DROP - INCHES WATER COLUMN HEATING HEATING HEATING MODEL MOTOR INPUT OUTPUT RISE NUMBER RANGE (°F) (°F) (°F) (°F) (°F) (°F) (°F) (°F) (Btu/h) (Btu/h) (CFM) (CFM) (CFM) (CFM) (CFM) (CFM) (CFM) (CFM) RISE RISE RISE RISE RISE... - Page 22 EXTERNAL STATIC PRESSURE DROP - INCHES WATER COLUMN HEATING HEATING HEATING INPUT OUTPUT MODEL RISE MOTOR NUMBER RANGE (°F) (°F) (°F) (°F) (°F) (°F) (°F) (°F) (BTU/H) (Btu/h) (Btu/h) (CFM) (CFM) (CFM) (CFM) (CFM) (CFM) (CFM) (CFM) RISE RISE RISE RISE RISE RISE...
- Page 23 EXTERNAL STATIC PRESSURE DROP - INCHES WATER COLUMN MODEL MOTOR TAP NUMBER (CFM) (CFM) (CFM) (CFM) (CFM) (CFM) (CFM) (CFM) Tap T1 Tap T2 024K045C Tap T3 Tap T4* 1184 1110 1045 Tap T5 1645 1594 1540 1470 1418 1355 1280 1213 Tap T1...
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Page 24: Gas Information
Gas Information CAPACITY OF BLACK IRON GAS PIPE (CU. FT. PER HOUR) FOR NATURAL GAS (SPECIFIC GRAVITY - 0.60) LENGTH OF PIPE RUN (FEET) NOMINAL PIPE DIAMETER (IN.) 1 1/4 1,050 1 1/2 1,600 1,100 Input To Furnace (Btu/hr) Cubic Feet Per Hour Required = Heating Value of Gas (Btu/Cu. - Page 25 POUR VOTRE SÉCURITÉ. FOR YOUR SAFETY READ À LIRE AVANT L’EMPLOI BEFORE OPERATING ATTENTION! L’inobservation de ces instructions WARNING: If you do not follow these instructions peut entraîner un incendie ou une explosion pouvant exactly, a fi re or explosion may result causing property causer des dam mages à...
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Page 26: Wiring Diagram & Electrical Data
Wiring Diagram & Electrical Data Figure 11. Wiring Diagram for 208/230V / 60 Hz Unit with ECM Motor... -
Page 27: Refrigerant Charging
"MODEL "HEATING "NOMINAL "BLOWER "MINIMUM "MAXIMUM VOLTAGE RANGE COMPRESSOR "FAN NUMBER INPUT ELECTRICAL MOTOR CIRCUIT OVER-CURRENT AMPS" " MIN. MAX. (BTUH)" SUPPLY " AMPS" AMPACITY" PROTECTION" 45000 208/230-60-1 12.8 58.3 20.8 024K 72000 208/230-60-1 12.8 58.3 20.8 45000 208/230-60-1 14.1 1.46 22.9 030K... -
Page 28: Installation Checklist
• Cabinet Panels • Heat Exchanger • Expansion Valves Specifications & illustrations subject to change without notice or incurring obligations (10/22). 1040723A O’Fallon, MO, © Nortek Global HVAC LLC 2022. All Rights Reserved. (Replaces 10407230)
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