Manuale d’uso / di manutenzione del prodotto DC3002 del fabbricante Bard
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Manual 2100-484E Page 1 of 22 DC3002 and DC3003 SOLID ST A TE LEAD/LAG CONTROLLER with DC F AN CONTROL INST ALLA TION INSTRUCTIONS & REPLACEMENT P ARTS LIST Manual No.: 2100-484E Supersedes: 2100-484D File: V ol. III T ab 19 Date: 08-29-1 1 Bard Manufacturing Company , Inc.
Manual 2100-484E Page 2 of 22 CONTENTS Getting Other Information and Publications 3 DC3000 General Information Shipping Damage .................................................. 4 General ...............................................................
Manual 2100-484E Page 3 of 22 Getting Other Information and Publications These publications can help you install the air conditioner or heat pump. You can usually find these at your local library or purchase them directly from the publisher. Be sure to consult current edition of each standard.
Manual 2100-484E Page 4 of 22 SHIPPING DAMAGE Upon receipt of equipment, the carton should be checked for external signs of shipping damage. If damage is found, the receiving party must contact the last carrier immediately, preferably in writing, requesting inspection by the carrier’s agent.
Manual 2100-484E Page 5 of 22 SPECIFICATIONS/FEATURES FOR BASIC CONTROLLER DC3000 Basic Controller •Input power: 18 to 32VAC, 60/50Hz, power is supplied from A/C #1 and/or A/C #2 •Isolation circui.
Manual 2100-484E Page 6 of 22 Note: All alarm relays are dry contacts rated 1A @ 24VAC, 120VAC or 150VDC. DC3002/3003 CONTROLLER CONNECTIONS Located on Main Controller Board Unit #1 C – 24V AC commo.
Manual 2100-484E Page 7 of 22 LOW VOLTAGE FIELD WIRING The DC3000 is powered from the air conditioners that it is controlling, 24VAC (18-32V) low voltage only. Circuitry in the DC3000 isolates the power supplies of all connected air conditioners so that no back feeds or phasing problems can occur.
Manual 2100-484E Page 8 of 22 SEQUENCE OF OPERATION – COOLING AIR CONDITIONERS – (NO ECONOMIZER) First stage cooling set point is the setting (SP) input into the controller. Factory default is 75F/24C. At Stage 1 cooling SP, the blower of the lead unit will come on (if not already operating because of continuous fan selection for lead unit).
Manual 2100-484E Page 9 of 22 SEQUENCE OF OPERATION – HEATING (AIR CONDITIONERS W/ELECTRIC HEAT) First stage heating set point is the dead band setting below first stage cooling set point (the SP entered into the program). The dead band is adjustable from 2-20F (1-10C), and the factory default is 10F (5C).
Manual 2100-484E Page 10 of 22 DC FAN CONTROL The primary reason the DC30002 or DC3003 controller system would be used is for additionally controlling a DC Fan ventilation system installed in the shelter in addition to controlling either 2 or 3 HV AC units.
Manual 2100-484E Page 11 of 22 FIGURE 1 DC3002 CONNECTION DIAGRAM 2 UNITS WITH ECONOMIZERS.
Manual 2100-484E Page 12 of 22 FIGURE 2 DC3002 CONNECTION DIAGRAM 2 UNITS NO ECONOMIZERS.
Manual 2100-484E Page 13 of 22 FIGURE 3 DC3003 CONNECTION DIAGRAMS 3 UNITS WITH ECONOMIZERS.
Manual 2100-484E Page 14 of 22 FIGURE 4 DC3003 CONNECTION DIAGRAMS 3 UNITS WITH ECONOMIZERS (NO ECONOMIZER A/C #3).
Manual 2100-484E Page 15 of 22 FIGURE 5 DC3003 CONNECTION DIAGRAMS 3 UNITS WITH NO ECONOMIZERS.
Manual 2100-484E Page 16 of 22 ALARM WIRING Alarm relays can be wired for NO (close on alarm) or NC (open on alarm) strategy. Alarm relays can be used individually if there are enough available building alarm points, or can be arranged into smaller groups or even a single group so that all alarm capabilities can be utilized.
Manual 2100-484E Page 17 of 22 FIGURE 6 ALARM BOARD CONNECTIONS FOR NORMALLY CLOSED "NC" OPEN-ON-ALARM STRATEGY.
Manual 2100-484E Page 18 of 22 FIGURE 7 ALARM BOARD CONNECTIONS FOR NORMALLY OPEN "NO" CLOSE-ON-ALARM STRATEGY.
Manual 2100-484E Page 19 of 22 PROGRAMMING INSTRUCTIONS To swap lead and lag unit positions, press the ADVANCE button. To enter the Program mode, press the PROGRAM button and release it when the message PROG appears on the display. When in Program mode, the DOWN and UP arrows are used to scroll through the programming steps.
Manual 2100-484E Page 20 of 22 7961-665C Cooling Heati ng 1st Stage 2nd Stage 3rd Stage 4th Stage 1st Stage 4th Stage 3rd Stage 2nd Stage Lead Unit Unit #1 Unit #2 Dehumid .
Manual 2100-484E Page 21 of 22 FIGURE 8 PARTS LIST DESCRIPTION DIAGRAM 5 7 3 4 6 9 2 11 SEXP- 445 B 8 1 10.
Manual 2100-484E Page 22 of 22 Parts List . o N . g w D. o N t r a Pn o i t p i r c s e D2 0 0 3 C D3 0 0 3 C D 14 - 3 4 3 - 7 2 1x o B l o r t n o CX X 27 3 0 - 2 1 6 8d r a o B r e l l o r t n o CX .
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 Bard DC3002 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 Bard DC3002 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Bard DC3002 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Bard DC3002 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Bard DC3002, 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 Bard DC3002.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Bard DC3002. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Bard DC3002 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.