Manuale d’uso / di manutenzione del prodotto E1FB240 del fabbricante York
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GENERAL The outdoor units are completely piped and wired at the fac- tory and are shipped ready for immediate installation. Only the interconnecting liquid and suction lines, sight glasses, control wiring, and the main power wiring are required to complete the installation.
2 Unitary Products Group 035-16192-001-A-1001 E 1 F B 2 5 8 A PRODUCT NOMENCLATURE PRODUCT GENERATION 1 = First Generation PRODUCT CA TEGOR Y E = S plit-System Heat Pump Outdoor Unit PRODUCT IDENTIFIE.
LIMIT ATIONS These units must be installed in accordance with all national and local safety codes. If no local codes apply , installation must conform with the appropriate national codes. See T able 1 for unit application data. Units are designed to meet National Safety Code S tandards.
CAUTION: LENGTH OF FORKS MUST BE A MINIMUM OF 54" (when lifting from the compressor end of the unit) and a MINIMUM OF 42" (when lifting from the front or rear of the unit). Remove the nesting brackets from the four corners on top of the unit.
Unitary Products Group 5 035-16192-001-A-1001 INDOOR UNIT OUTDOOR UNIT TERMINALS ON HEAT PUMP TH ERMOSTAT 1 1 Control wiring (24-v olt) refe r to elect rical d ata to deter mine th e prope r wire s ize. T ABLE 3 - ELECTRICAL DA T A 1 Maximum fuse or maximum circuit breaker (HACR type per NEC).
6 Unitary Products Group 035-16192-001-A-1001 All dimensions are in inches. They are subject to change without notice. Certified dimensions will be provided upon request.
and/or drafts. Circulation of air to the thermost at should not be blocked by curtains, drapes, furniture, partitions, etc. Some installations may require a locking cover to protect the thermostat from tampering and/or damage.
3. T urn the stem in (or clockwise) between 1/4 and 1/2 turn to open the access port. As soon as some internal pressure is relieved, close the ac- cess port.
4. After the disc has been removed, burnish the external sur - faces and clean the internal surfaces as outlined above. 5. Move the dry nitrogen supply back to the access port on the liquid line service valve.
10 Unitary Products Group 035-16192-001-A-1001 FIG . 5 - EXTENDING THE SERVICE POR TS ALTERNA TE CHARGING METHODS If you are starting a unit when the ambient temperature is higher or lower than those shown in Figures 7 through 15, either of the following methods may be used.
GENERAL During the cooling cycle, when the reversing valve solenoids becomes energized, operation will be the same as any conven - tional air conditioning system.
through the defrost control boards and safety switches to energize relays RY1 and R Y2, which in turn will energize contactors 1M & 3M, starting the compressors. Contactors 2M and 4M are energized through the NO contact s on auxil - iary contactors 1M-AUX and 3M-AUX in order to start the outdoor fan motors.
OPERATION BELOW 0 ° F OUTDOOR TEMPERA - TURE 1. At 0 ° F outdoor temperature, the low temperature compres - sor cutoff thermost at TH1 and TH3 contacts 1 and 3 will open, de-energizing contactor 1M and 3M which shuts down the compressor . Contacts 1 and 2 of thermostat TH1 and TH3 are closed when contacts 1 and 3 are open.
CRANKCASE HEA TER The crankcase heaters must be energized at least 8 hours bef - ore starting the compressor . T o energize the crankcase heat - ers, the main disconnect switch must be closed. During this 8 hour period, the system switch on the room thermostat must be “OFF” to prevent the compressor from starting.
Unitary Products Group 15 035-16192-001-A-1001 150 200 250 300 350 400 50 60 70 80 90 S u c t i o n P r essu re ( p si g ) D i sc h a rg e P ressu re ( p si g ) 115 °F 105 °F 95 °F 85 °F 75 °F OD.
16 Unitary Products Group 035-16192-001-A-1001 FIG . 9 - HEA TING MODE CHARGING CHART A T 4800 CFM - EFB180A 50 100 150 200 250 300 350 400 30 40 50 60 70 80 90 S u c t i o n P ressu re ( p si g ) D i sc h a rg e P ressu re ( p si g ) 80 °F 70 °F 60 °F IDDB FIG .
Unitary Products Group 17 035-16192-001-A-1001 FIG . 1 1 - HEA TING MODE CHARGING CHART A T 6600 CFM - EFB180A 50 100 150 200 250 300 350 400 30 40 50 60 70 80 90 S u c ti o n P ressu re ( p si g ) D i sc h a rg e P ressu re ( p si g ) 80 °F 70 °F 60 °F IDDB FIG .
18 Unitary Products Group 035-16192-001-A-1001 FIG . 13 - HEA TING MODE CHARGING CHART A T 7000 CFM - EFB240A 50 100 150 200 250 300 350 30 40 50 60 70 80 90 S u c t i o n P ressu re ( p si g ) D i sc h a rg e P ressu re ( p si g ) 80 °F 70 °F 60 °F IDDB FIG .
NOTES Unitary Products Group 19 035-16192-001-A-1001.
Unitary Products Group 5005 Y ork Drive, Norman, Oklahoma 73069 Subject to change without notice. Printed in U.S.A Copyright by Y ork International Corporation 2001.
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 York E1FB240 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 York E1FB240 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso York E1FB240 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul York E1FB240 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il York E1FB240, 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 York E1FB240.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il York E1FB240. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo York E1FB240 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.
