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Part # 457502
Installation, Operation and Maintenance Instructions
for Neutralizer 100% Outdoor Air Ventilators
WARNING:
Improper installation, adjustment, alteration, service or maintenance can cause property damage,
injury or death. Read the installation, operating, and maintenance instructions thoroughly before
installing or servicing this equipment.
This manual is the property of the owner, and is required for future maintenance.
Please leave it with the owner when you complete the job.
GR
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TABLE OF CONTENTS Warranty ............................................................................................................Pg. 2 Installation Instructions: NV-45 •Horizontal Discharge ................................................................................Pg. 3 •Downblast Discharge ............................................................................Pg. 4-5 NV-90 and NV-120 •Slab, Rail, Curb Installation.................................................................
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DISCHARGE INTAKE INTAKE DISCHARGE Installation Instructions for: NV-45 w/Horizontal Discharge 1 A -Equip. Support C 44 /4" L Step 1 Mounting the Unit Equipment Arrangement HZ can be mounted on a curb Support Footprint with an equipment support (see curb inst.) or on three equipment supports (figs.1&4). Arrangement HZ can also be used for indoor C L A applications mounted hanging (fig. 5), inline as part of an air handling system, or base A C L mounted. Mounting hardware to be provided (fig.1
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Installation Instructions for: NV-45 w/Downblast Discharge Before beginning this installation: Step 1 Roof Opening Make sure that there is room to access the unit from all sides. Determine the center of the supply duct roof Make sure inlet of unit is located well away from any exhaust fans. opening. The chart below shows the maximum recommended roof opening dimensions. These sizes can be smaller based on codes and ductwork sizes. For Installations using rectangular curb Roof Opening A Rectang
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Step 5 Install Supply Unit Use a crane and a spreader bar Lifting Lugs (4 places) hooked to the factory lifting lugs (as shown in the diagram) to lift Model TSU and center the NV unit on the Supply Unit curb and equipment support. Use self-tapping sheet metal screws to fasten unit to the curb and equipment support through holes provided. Electrical and pipes connections can be made at this time. Complete Installation Illustration shows the complete installation of downblast NV with filter secti
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NV Unit GREENHECK Installation Instructions for: ® SLAB, RAIL, AND CURB MOUNTING NV-90 and NV-120 w/Horizontal Discharge 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 any exhaust fans. 1a. Slab Construction Recommended Size: 1ft. wider and longer than total unit size. Recommended Material: Concrete at least 4" thick. Slab should be set and leveled on a sufficient bed of gravel for proper
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2. Rail Mounting Rails extends 6" from Rails located 6-12" in For proper support, rails should be located discharge end of unit from sides of unit. 6-12" in from sides of unit and should extend at least 6" beyond both discharge end of unit and filter section. Rails extend 6" from end of filter section Spreader Bar 3. Curb Mounting (See page 9 for curb assembly) Install unit on curb using a crane and spreader bar to prevent damage to unit. Lifting lugs are provided as shown in illustration. It i
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Straight Duct Length 4. Optional Up-stream Heating Coil If an optional up-stream heating coil is provided with the unit an additional equipment support may be required. If filters only are provided in this section, additional support is not needed. Follow the guidelines below for determining the coil section support required. Page 18 lists unit weights for equipment support load requirements. Slab/Rail Mount Curb Mount Equipment Support Requirements: NV-90 None Curb Height NV-120 12” Curb Hei
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Installation Instructions for: *For installations using Greenheck's CURB MOUNTING* optional roof curb. NV-90 and NV-120 1. Assemble Roof Curb Curbs are shipped knockdown and require assembly by others. Assembly instructions are also included with curb. Assemble curb sections as shown using hex bolts and lock nuts supplied with curb. Detail shown is typical for all four corners. Roof Curb 1 4 /2 1 24 /4 2. Locate and Cut Roof Opening When locating unit, make sure there is room to access un
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5. Install Unit. Use a crane and spreader bar to prevent damage to unit. Lifting lugs are provided as shown in illustration. It is highly recommended that all accessory items be lifted separately and attached after the unit is in place. Electrical and pipe connections can be made at this time. 6. Attach Filter/Coil Section (if included) Use a crane and spreader bar hooked to factory lifting lugs (as shown in diagram) to lift and center the filter section on the NV unit. Note that the top U-
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7. Attach Weatherhood Use a crane and spreader bar hooked to factory lifting lugs (as shown in diagram) to lift and center the weatherhood on the filter section (same procedure as shown in previous step). If there is no filter section, the weatherhood attaches directly to NV unit in same manner. Fastener Spreader Bar instructions are same as Step 6. Lifting Lugs (2) 8. Attach Support Legs Support Legs are required Weatherhood fastener locations typical for entire section. on weatherhood section
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Electrical Instructions Before connecting power to the unit, read and CAUTION ! understand the following instructions and If any of the original wire must be replaced, wiring diagrams. Complete wiring diagrams the replacement wire must have a temperature are attached inside the door(s) of the unit. rating of at least 105°C, except for energy cut-off All wiring should be done in accordance with or sensor lead wire which must be 150°C. the National Electrical Code ANSI/NFPA 70- latest edition and
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n o i t a t o R SYSTEM STARTUP For proper unit function and safety, follow everything in this startup procedure in the order presented. This is to be done after the electrical connections are complete. • Voltage meter • Incline manometer or equivalent Special Tools Required • Tachometer • Thermometer • Amperage meter 1. Check Voltage Before starting the unit compare the supplied voltage with the unit’s nameplate voltage and the motor voltage. 2. Check Blower Rotation First hand rotate the blowe
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Instructions for Coils Steam Coils Application Recommendations: Satisfactory operation and service life are best ensured when coils are installed with proper piping, trap, and support arrangement. The following notes and figure 1 (page 15) are recommended for the coil unit installation and operation. General: 1. Provide separate supports and hangers for the unit and the piping. 2. Be certain that adequate piping flexibility is provided. Stresses resulting form expansion of closely coupled pipin
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Return Main Gate Valve Control Valve, Modulating Two-Position Check Valve-Vacuum Breaker Float and Thermostat Trap Strainer Greenheck does not supply coil controls, all control elements shown are supplied by others. Figure 1 Recommended Steam Coil Piping Direct Expansion Coils Application Recommendations: 1. Piping should be in accordance with accepted industry standards. 2. The condensate drain pipe should be sized adequately to ensure the condensate drains properly. The bottom of the drain pa
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Water Coils Application Recommendations: 1. Piping should be in accordance with accepted industry standards. 2. Connect the WATER SUPPLY TO THE BOTTOM CONNECTION on the air leaving side and the WATER RETURN TO THE TOP CONNECTION on the air entering side. The extra bottom connection can be used for an auxiliary manual drain connection, and the extra top connection can be used for an automatic air vent or the extra connections can be capped. Connecting the supply and/or return in any other mann
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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 Motor overamps CFMs too high Check CFMs and adjust drives if needed Static pressures are higher or lower If higher, ductwork should be improved than design If lower, fan RPMs should be lower Blower ro
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General Dimensions and Weights Optional Filters 128 30 NV-45 1680 lbs NV-45 w/Heating Coil 1780 lbs NV-90 2650 lbs 46 NV-120 3150 lbs NV-90 w/Heating Coil 2870 lbs Optional Weatherhood NV-120 w/Heating Coil 3370 lbs Optional Motorized ELEVATION VIEW Damper NV-90/120 250 lbs Weatherhood NV-90/120 200 lbs 52 Filter Section NV-90/120 420 lbs Filter Section w/Coil Optional Heating Coil Motor Control Optional Heat Pipe Cooling Coil Center Heating Coil PLAN VIEW Optional Inlet Damper 1 88 17 46 /4 1 5
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Maintenance Greenheck recommends these procedures to insure trouble free operation of this unit. Most unit failures can be attributed to poor setup or poor maintenance. A record of maintenance performed on this unit should be kept. This information will provide essential information if problems are encountered. A section at the back of this manual is provided for recording the unit's maintenance history. Motor CAUTION: When performing any maintenance on this Blower unit be sure that the power is
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Maintenance Documentation Job Information Job Name:________________________________________ Service Organization: ______________________________ Address: _________________________________________ Address: _________________________________________ City: ________________ State: ________ Zip: __________ City: ________________ State: ________ Zip: __________ Phone: __________________ Fax: ____________________ Phone: __________________ Fax: ____________________ Contact Person:________________________
