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Installation, Operation and Maintenance Instructions
Neutralizer 100% Outdoor Air Ventilators
for
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.
WARNING:
GREENHECK
P.O. BOX 410 SCHOFIELD, WISCONSIN 54476-0410
PH. 715-359-6171
®
Part # 457502
June 1998
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Summary of Contents for Greenheck Outdoor Air Ventilator
- Page 1 Installation, Operation and Maintenance Instructions Neutralizer 100% Outdoor Air Ventilators 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.
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Page 2: Table Of Contents
Warranty ...Pg. 2 Installation Instructions: NV-45 • Horizontal Discharge • Downblast Discharge NV-90 and NV-120 • Slab, Rail, Curb Installation...Pg. 6-7 • Equipment Supports, Discharge Locations • Curb Installation ...Pg. 9-11 • Installing Filter/Coil Section and Electrical Instructions...Pg. 12 System Startup...Pg. -
Page 3: Installation Instructions
Installation Instructions for: NV-45 w/Horizontal Discharge Step 1 Mounting the Unit Arrangement HZ can be mounted on a curb with an equipment support (see curb inst.) or on three equipment supports (figs. 1&4). Arrangement HZ can also be used for indoor applications mounted hanging (fig. -
Page 4: Downblast Discharge
Installation Instructions for: NV-45 w/ Downblast 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. For Installations using rectangular curb Roof Opening Rectangular... - Page 5 Step 5 Install Supply Unit Use a crane and a spreader bar hooked to the factory lifting lugs (as shown in the diagram) to lift and center the NV unit on the curb and equipment support. Use self-tapping sheet metal screws to fasten unit to the curb and equipment support through holes provided.
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Page 6: And Nv-120
Installation Instructions for: SLAB, RAIL, AND CURB MOUNTING NV-90 and NV-120 w/Horizontal Discharge Lifting Lugs (4) 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. -
Page 7: Rail Mounting
Rails extends 6" from discharge end of unit Lifting Lugs (4) 2. Rail Mounting Rails located 6-12" in For proper support, rails should be located 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. -
Page 8: Equipment Supports, Discharge Locations
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 9: Curb Installation
Installation Instructions for: CURB MOUNTING* NV-90 and NV-120 2. Locate and Cut Roof Opening When locating unit, make sure there is room to access unit from all sides. Make sure inlet of this unit is located well away from exhaust fans. Roof Opening for NV-120 and NV-90 = (A) 36"... - Page 10 6. Attach Filter/Coil Section 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- shaped flange on the filter section fits over the vertical flange of the NV unit (see detail A). Use sheet metal screws to fasten the filter section to NV unit.
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Page 11: Weatherhood
Spreader Bar Lifting Lugs (2) 8. Attach Support Legs Support Legs are required on weatherhood section. Attach through pre- punched holes in weatherhood using supplied fasteners. Support Legs (2) 9. Install Birdscreen or Optional Weatherhood Filters Install 1st- Install last slide to side 7. -
Page 12: Electrical Instructions
Before connecting power to the unit, read and understand the following instructions and wiring diagrams. Complete wiring diagrams are attached inside the door(s) of the unit. All wiring should be done in accordance with the National Electrical Code ANSI/NFPA 70- latest edition and any local codes that may apply. -
Page 13: 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 •... -
Page 14: Coil Instructions
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 and operation. General: Provide separate supports and hangers for the unit and the piping. Be certain that adequate piping flexibility is provided. - Page 15 Application Recommendations: Piping should be in accordance with accepted industry standards. The condensate drain pipe should be sized adequately to ensure the condensate drains properly. The bottom of the drain pan should be twice the distance of the internal static pressure water column above the exit of the trap.
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Page 16: Water Coils
Application Recommendations: Piping should be in accordance with accepted industry standards. 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. -
Page 17: Trouble Shooting
Symptom Possible Cause Blower fails Blown fuse or open circuit breaker to operate Broken fan belt Defective motor or capacitor Motor starter overloaded Motor overamps CFMs too high Static pressures are higher or lower than design Blower rotation is incorrect Motor voltage incorrect Motor horsepower too low Shorted windings in motor... -
Page 18: General Dimensions And Weights
General Dimensions and Weights NV-45 1680 lbs NV-45 w/Heating Coil 1780 lbs NV-90 2650 lbs NV-120 3150 lbs NV-90 w/Heating Coil 2870 lbs NV-120 w/Heating Coil 3370 lbs NV-90/120 250 lbs Weatherhood NV-90/120 200 lbs Filter Section NV-90/120 420 lbs Filter Section w/Coil (NV-90) 62 (NV-120) -
Page 19: 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. -
Page 20: Maintenance Notes
Maintenance Documentation Job Information Job Name:________________________________________ Address: _________________________________________ City: ________________ State: ________ Zip: __________ Phone: __________________ Fax: ____________________ Contact Person: ___________________________________ Name Plate Information Model: ___________________________________________ Volts: ___________ Hertz: __________ Phase:__________ Amps: __________________ Mark: ___________________ Supply Hp: _______________________________________ Serial Number: ____________________________________ Field Start-Up Documentation Actual Voltage: Hertz:...