Manuale d’uso / di manutenzione del prodotto Outdoor Air Ventilator del fabbricante 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: _________________.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Greenheck Outdoor Air Ventilator è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Greenheck Outdoor Air Ventilator - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Greenheck Outdoor Air Ventilator imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Greenheck Outdoor Air Ventilator ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Greenheck Outdoor Air Ventilator, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Greenheck Outdoor Air Ventilator.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Greenheck Outdoor Air Ventilator. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Greenheck Outdoor Air Ventilator insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.