Manuale d’uso / di manutenzione del prodotto 50HG014-028 del fabbricante Carrier
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Manufactu rer res erves the right to dis continu e, or change at any time, sp ecifications or designs wit hout notice and w ithout in curring obli gations. PC 111 Catalog No. 535-00092 Prin ted i n U .S.A. Form 50H G-7SI Pg 1 11-03 Replaces : 50HG-3 SI Book 1 4 Ta b 1 b 6 b Installation Instr uctions CONTENTS Page SAFETY CONSIDERA TIONS .
2 Fig. 1 — Roof Curb Details.
3 Step 2 — Remove Shipping Rail s — Remove ship- ping rails prior to lowering u nit onto roof curb. See Fig. 2. The rails are a ttached to the unit at both the ret urn end and condens- er end. Rem ove the screws fr om both ends of each rail. Be careful not to drop t he rails onto any surfac e that could be da m- aged.
4 Fig. 3 — Rigging Details.
5 Fig. 4 — Base Unit Dimensions.
6 Table 1 — P hysical D ata LEGEN D UNIT 50HG 014 016 020 VO L TAGE 208/23 0 and 460 575 208/23 0 and 460 575 208/230 and 460 57 5 NOMINAL CAP ACITY (T ons) 12.
7 Table 1 — Phy sica l Dat a (cont ) LEGEN D UNIT 50HG 024 028 VO LT AG E 208/23 0 and 460 575 AL L NOMINAL CAP ACITY (T ons) 20 20 25 OPERA TING WEIGHT (lb) 50 SERIE S (Cooling Only) 2187 2187 2446 COMPRESSOR Qua ntity 33 2 Numb er of Re friger ant Circ uit s 33 2 Oil (ounces) Ckt A.
8 Step 4 — Field F abricate Ductwor k — Secure all ducts to building structure. Use flexible duct connect ors be- tween unit and ducts as required. Insulate and weatherproof all external ductwork, joints , and roof openings with counter flashing and mastic in accordance with applicable co des.
9 Step 6 — T rap Condensate D rain — See Fig. 10 for drain location. One 3 / 4 -in. half coupling is provided outside unit evaporator sect ion for condensate drain connection.
10 Table 2A — Elect rical Data (Units Wit hout Optional Convenien ce Outlet) LEGEND A ND NOTES FO R TABLES 2A AND 2B LEGEND *Fuse or HACR circuit breaker . †208/230 v 75 -kW Electric Heat units m ust use dual-po int wiring. The ma in table list s the branch circuit v alues for the refrigeratio n par t of the system.
11 Table 2A — Electrical Data (Units Without Optional Convenie nce O utlet ) (cont) ELECTRIC HE AT BRANCH CIRCUIT FOR 20 8/240-V 75-kW ELECTRI C HEAT FEEDER CIRCUIT FOR 208/230-V UNIT WITH 75- kW ELECTRIC H EAT See Legend and Notes on page 10.
12 Table 2A — Electrical Data (Units Without Optional Convenie nce O utlet ) (cont) ELECTRIC HE AT BRANCH CIRCUIT FOR 20 8/240-V 75-kW ELECTRI C HEAT FEEDER CIRCUIT FOR 208/230-V UNIT WITH 75- kW ELECTRIC H EAT See Legen d and Notes on page 10.
13 Table 2A — Electrical Data (Units Without Optional Convenie nce O utlet ) (cont) ELECTRIC HE AT BRANCH CIRCUIT FOR 20 8/240-V 75-kW ELECTRI C HEAT FEEDER CIRCUIT FOR 208/230-V UNIT WITH 75- kW ELECTRIC H EAT See Legend and Notes on page 10.
14 Table 2A — Electrical Data (Units Without Optional Convenie nce O utlet ) (cont) ELECTRIC HE AT BRANCH CIRCUIT FOR 20 8/240-V 75-kW ELECTRI C HEAT FEEDER CIRCUIT FOR 208/230-V UNIT WITH 75- kW ELECTRIC H EAT See Legen d and Notes on page 10.
15 Table 2B — Elect rical Data ( Units With O ptional Convenie nce Outlet) See Legend and Notes on page 10. UNIT SIZE 50HG NOMINAL VO LTA G E (3 P h, 6 0 Hz) V O LTA G E RANGE COMPRESSOR OFM EL ECTRIC HEA T IF M PO WER EXHAUST PO WER SUPPL Y DISCONNECT SIZE No.
16 Table 2B — Electrical Data (Units With Optional C onvenience Outlet) (cont) ELECTRIC HE AT BRANCH CIRCUIT FOR 20 8/240-V 75-kW ELECTRI C HEAT FEEDER CIRCUIT FOR 208/230-V UNIT WITH 75- kW ELECTRIC H EAT See Legen d and Notes on page 10.
17 Table 2B — Electrical Data (Units With Optional C onvenience Outlet) (co nt) ELECTRIC HE AT BRANCH CIRCUIT FOR 20 8/240-V 75-kW ELECTRI C HEAT FEEDER CIRCUIT FOR 208/230-V UNIT WITH 75- kW ELECTRIC H EAT See Legend and Notes on page 10.
18 Table 2B — Electrical Data (Units With Optional C onvenience Outlet) (cont) ELECTRIC HE AT BRANCH CIRCUIT FOR 20 8/240-V 75-kW ELECTRI C HEAT FEEDER CIRCUIT FOR 208/230-V UNIT WITH 75- kW ELECTRIC H EAT See Legen d and Notes on page 10.
19 Table 2B — Electrical Data (Units With Optional C onvenience Outlet) (co nt) ELECTRIC HE AT BRANCH CIRCUIT FOR 20 8/240-V 75-kW ELECTRI C HEAT FEEDER CIRCUIT FOR 208/230-V UNIT WITH 75- kW ELECTRIC H EAT See Legend and Notes on page 10.
20 Set heat anticipator settings as shown in Table 3. Table 3 — Heat An ticipator S ettings Settings m ay be changed slightly to provide a greater degree of comfort for a partic ular installation. Step 8 — Instal l Outdoor Air Hood — Pe rform the following procedu re to install the outdoor-air hood: 1.
21 TOP HOOD SECTION SEAL STRIP LOCA TION BOTTOM HOOD SECTION FIL TER GUIDE FIL TER GUIDE HOOD SIDE ADD SEAL STRIP ADD SEAL STRIP HOOD SIDE INNER FIL TER TRACK ADD SEAL STRIP ADD SEAL STRIP UNIT BACK P.
22 Step 9 — P osi tion O ptio nal Power Exh aust o r Barometr ic R elief D amp er Ho od — The optional power exhaust or barometr ic relief dampers ar e shipped assembled and tilted back into the u nit for ship ping. Brack- ets and extra screws are s hipped in shrink wrap ar ound the damp ers.
23 Step 11 — Instal l All Accessories — After all of the factory-installed options ha ve been adjusted, install all field-instal led acces sories. Refer t o the acces sory insta llation instructions included with each accessory . Consult the Carrier Price Pages for accessory package numbers for particular applications.
Manufactu rer res erves the right t o discontinu e, or change at any time, s pecifications or d esigns without noti ce and wi thout in curring obligati ons.
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 Carrier 50HG014-028 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 Carrier 50HG014-028 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Carrier 50HG014-028 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Carrier 50HG014-028 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Carrier 50HG014-028, 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 Carrier 50HG014-028.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Carrier 50HG014-028. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Carrier 50HG014-028 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.
