Greenheck Outdoor Air Ventilator - Manuals

Page 2 - TABLE OF CONTENTS; Installation Instructions:; • Equipment Supports, Discharge Locations; Warranty

2 TABLE OF CONTENTS Warranty ............................................................................................................ Pg. 2 Installation Instructions: NV-45 • Horizontal Discharge ................................................................................ Pg. 3 • Downblast D...

Page 3 - Step 1 Mounting the Unit; Typical Installations; Minimum Straight Duct Length - 54”; Installation Instructions for:

INTAKE DISCHARGE DISCHARGE INTAKE C L C L EquipmentSupportFootprint C L A A ( fig. 4)Roof mounted arrangement HZ with weatherhood, mounted on three equipment supports.Ductwork is attached to discharge collar with rubber boot transition. ( fig. 5) Arrangement HZ shown as an indoor hanging installatio...

Page 4 - Step 1 Roof Opening; Before beginning this installation:; Step 3 Install Ductwork; Downblast Discharge; Step 2 Install Roof Curb and; For rectangular curbs

4 B C L C* RectangularCurbFootprint C L C L A A/2 A RoofOpening A/2 C* C* *C- Determine equal dimension for these 3 locations Sealant Ductwork Duct Adaptor Supply Ductworkby Others Step 1 Roof Opening Determine the center of the supply duct roofopening. The chart below shows the maximumrecommended r...

Page 5 - Step 5 Install Supply Unit

5 Model TSUSupply Unit Lifting Lugs (4 places) Step 5 Install Supply Unit Use a crane and a spreader barhooked to the factory lifting lugs(as shown in the diagram) to liftand center the NV unit on thecurb and equipment support. Useself-tapping sheet metal screwsto fasten unit to the curb andequipmen...

Page 6 - GREENHECK; Make sure that there is room to access the unit from all sides.; a. Slab Construction

6 GREENHECK ® Before beginning this installation: Make sure that there is room to access the unit from all sides. Make sure inlet of unit is located well away from anyexhaust fans. Installation Instructions for: SLAB, RAIL, AND CURB MOUNTINGNV-90 and NV-120 w/Horizontal Discharge Lifting Lugs (4) Sp...

Page 8 - Attach Ductwork to Unit Discharge; Discharge Opening Sizes; Equipment Support Requirements:

8 Straight A B C D Duct Length NV-90 16 1 / 4 24 34 1/2 22 3 / 8 81 NV-120 16 1 / 4 25 1 / 2 34 23 1 / 4 96 5. Attach Ductwork to Unit Discharge Chart and drawing below show opening size (ID) and location for discharge collar. Also included is therecommended straight duct lengths for optimal perform...

Page 9 - Assemble Roof Curb; Detail shown is typical for all four corners.; Locate and Cut Roof Opening

9 Installation Instructions for: CURB MOUNTING*NV-90 and NV-120 *For installations using Greenheck's optional roof curb. 1. Assemble Roof Curb Curbs are shipped knockdown and require assembly by others. Assembly instructions are also includedwith curb. Assemble curb sections as shown using hex bolts...

Page 11 - Attach Weatherhood; Install Birdscreen or Optional Weatherhood Filters

11 Weatherhood fastener locationstypical for entire section.Top fasteners are accessed fromoutside, side and bottom fastenersare accessed from inside. Lifting Lugs (2) Spreader Bar 7. Attach Weatherhood Use a crane and spreader bar hookedto factory lifting lugs (as shown indiagram) to lift and cente...

Page 12 - Sequence for wiring NV unit:; without; For units; with; The main power line should be connected to the disconnect switch.; CAUTION; Electrical Instructions; CAUTION; Electrical Location

12 Sequence for wiring NV unit: For units without control centers: The motor nameplate is to be used for determining the voltage and amperage required bythe unit. For units with control centers: 1. The unit’s nameplate states the voltage and total amperage required. The main feeder supplying power t...

Page 13 - SYSTEM STARTUP; Special Tools Required; • For single phase units, rewire the motor per the instructions on; Air Volume Check and Measurement; Discharge temperature = 35°F

SYSTEM STARTUP For proper unit function and safety, follow everything in this startup procedure in the order presented. This is tobe done after the electrical connections are complete. • Voltage meter• Incline manometer or equivalent Special Tools Required • Tachometer• Thermometer• Amperage meter 1...

Page 14 - Steam Coils; Application Recommendations:; (Entering air below 35; Instructions for Coils

14 Steam Coils Application Recommendations: Satisfactory operation and service life are best ensured when coils are installed with proper piping, trap, andsupport arrangement. The following notes and figure 1 ( page 15 ) are recommended for the coil unit installation and operation. General: 1. Provi...

Page 15 - Gate Valve; Direct Expansion Coils; Piping should be in accordance with accepted industry standards.; Recommended Steam Coil Piping

15 Steam Main Retur n Main Gate Valve Control Valve, Modulating Two-Position Check Valve-Vacuum Breaker Float and Thermostat Trap Strainer Direct Expansion Coils Application Recommendations: 1. Piping should be in accordance with accepted industry standards. 2. The condensate drain pipe should be si...

Page 17 - TROUBLE SHOOTING; Blower Unit; Symptom

17 TROUBLE SHOOTING Blower Unit Symptom Possible Cause Corrective Action Blower fails Blown fuse or open circuit breaker Replace fuse or reset circuit breaker and to operate check amps Broken fan belt Replace Defective motor or capacitor Replace Motor starter overloaded Reset starter and check amps ...

Page 18 - General Dimensions and Weights; Weatherhood

18 General Dimensions and Weights PLAN VIEW MotorControlCenter OptionalFilter/HeatingSection Optional Heating Coil Cooling Coil 110 1 / 2 ELEVATION VIEW 88 Optional Curbor Support Blower/MotorAccess Door 50 1 / 2 17 46 1 / 4 Optional Weatherhood 50 1 / 2 (NV-90) 62 (NV-120) Optional InletDamper Opti...

Page 19 - Maintenance; weeks after startup

19 Maintenance Greenheck recommends these procedures to insure trouble free operation of this unit. Most unit failures can beattributed to poor setup or poor maintenance. A record of maintenance performed on this unit should be kept. This information will provide essential informationif problems are...

Page 20 - Maintenance Documentation

20 Job Information Job Name: ________________________________________ Address: _________________________________________ City: ________________ State: ________ Zip: __________ Phone: __________________ Fax: ____________________ Contact Person: ___________________________________ Service Organization...