Instruction/ maintenance manual of the product Outdoor Air Ventilator Greenheck
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GREENHECK P .O. BOX 410 SCHOFIELD, WISCONSIN 54476-0410 PH. 715-359-6171 ® Installation, Operation and Maintenance Instructions for Neutralizer 100% Outdoor Air V entilators W ARNING: Improper installation, adjustment, alteration, service or maintenance can cause property damage, injury or death.
2 T ABLE OF CONTENTS W arrant y ............................................................................................................ Pg. 2 Installation Instructions: N V -45 • Horizontal Discharg e ...........................................
INT AKE DISCHARGE DISCHARGE INT AKE C L C L Equipment Support Footprint C L A A ( fig. 4) Roof mounted arrangement HZ with weatherhood, mounted on three equipment supports.
4 B C L C* Rectangular Curb Footprint C L C L A A/2 A Roof Opening A/2 C* C* *C- Determine equal dimension for these 3 locations Sealant Ductwork Duct Adaptor Supply Ductwork by Others Step 1 Roof Opening Determine the center of the supply duct roof opening.
5 Model TSU Supply Unit Lifting Lugs (4 places) 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.
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 any exhaust fans. Installation Instructions for: SLAB, RAIL, AND CURB MOUNTING NV -90 and NV -120 w/Horizontal Dischar ge Lifting Lugs (4) Spreader Bar NV Unit Intake 1a.
7 Rails located 6-12" in from sides of unit. Rails extend 6" from end of filter section Rails extends 6" from discharge end of unit Lifting Lugs (4) Spreader Bar 2.
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 Discha r ge Chart and drawing below show opening size (ID) and location for discharge collar. Also included is the recommended straight duct lengths for optimal performance.
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 included with curb.
10 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.
11 Weatherhood fastener locations typical for entire section. T op fasteners are accessed fr om outside, side and bottom fasteners are accessed from inside.
12 Sequence for wiring NV unit: For units without contr ol centers: The motor nameplate is to be used for determining the voltage and amperage required by the unit. For units with control centers: 1. The unit’s nameplate states the voltage and total amperage required.
SYSTEM ST AR TUP 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 T ools Requir ed • Tachometer • Thermometer • Amperage meter 1.
14 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.
15 Steam Main Return Main Gate V alve Control V alve, Modulating T wo-Position Check V alve-V acuum Breaker Float and Thermostat T rap Strainer Dir ect Expansion Coils Application Recommendations: 1. Piping should be in accordance with accepted industry standards.
16 Coil Maintenance Filters: Filters upstream of the coil should be checked regularly for dirtiness and clogging. If the filters are dirty, they should be cleaned or replaced. It is important that the coils stay clean to maintain maximum heat transfer capability.
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.
18 General Dimensions and W eights PLAN VIEW Motor Control Center Optional Filter/Heating Section Optional Heating Coil Cooling Coil 110 1 / 2 ELEV A TION VIEW 88 Optional Curb or Support Blower/Motor.
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.
20 Job Information Job Name: ________________________________________ Address: _________________________________________ City: ________________ State: ________ Zip: __________ Phone: _________________.
An important point after buying a device Greenheck Outdoor Air Ventilator (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Greenheck Outdoor Air Ventilator yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Greenheck Outdoor Air Ventilator - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Greenheck Outdoor Air Ventilator you will learn all the available features of the product, as well as information on its operation. The information that you get Greenheck Outdoor Air Ventilator will certainly help you make a decision on the purchase.
If you already are a holder of Greenheck Outdoor Air Ventilator, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Greenheck Outdoor Air Ventilator.
However, one of the most important roles played by the user manual is to help in solving problems with Greenheck Outdoor Air Ventilator. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Greenheck Outdoor Air Ventilator along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center