Greenheck Outdoor Air Ventilator manuale d’uso

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. Read the installation, operating, and maintenance i[...]

2 T ABLE OF CONTENTS W arrant y ............................................................................................................ Pg. 2 Installation Instructions: N V -45 • Horizontal Discharg e ................................................................................ Pg. 3 • Downblast 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. Ductwork is attached to discharge collar with rubber boot transition. ( fig. 5) Arrangement HZ shown as an indoor hanging installation with intake and discharge ductwork install[...]

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. The chart below shows the maximum recommended roof opening dimensions. These sizes can be s[...]

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. Electric[...]

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. Slab Construct[...]

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. Rail Mounting For proper support, rails should be located 6-12" in from sides of unit and should extend at least 6" beyond both discharge end of unit and filter[...]

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. Greenheck recommends attaching ductwork [...]

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. Assemble curb sections as shown using hex bolts and lock nuts supplied with curb. Detail[...]

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. Lifting Lugs (2) Spreader Bar Butt units together Fa[...]

11 Weatherhood fastener locations typical for entire section. T op fasteners are accessed fr om outside, side and bottom fasteners are accessed from inside. Lifting Lugs (2) Spreader Bar 7. Attach W eatherhood 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 ([...]

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. The main feeder supplying power to the unit should be sized for the label’s v[...]

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. Check V oltage Before starting[...]

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. General: 1. Provide separate supports and hangers for the unit and[...]

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. 2. The condensate drain pipe should be sized adequately to ensure the condensate drai[...]

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. Cleaning: 1. Coils must be clean to obtain maximum performance. Soiled fins reduce the[...]

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 Motor overamps CFMs too high Check CFMs and adjust[...]

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 Access Door 50 1 / 2 17 46 1 / 4 Optional Weatherhood 50 1 / 2 (NV -90) 62 (NV -120) Optional Inlet Damper Optional Motorized Damper PLAN VIEW Heat P[...]

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. A section at the back of this manu[...]

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