Manuale d’uso / di manutenzione del prodotto R-410A del fabbricante Nordyne
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15 SEER USER’ s MANU AL & INST ALLA TION INSTR UCTIONS 2 Stage R-410A Single P acka g e Heat Pump Please read this inf or mation thoroughly and become familiar with the capabilities and use of y our appliance bef ore attempting to operate or maintain this unit.
2 SAFETY INFORMA TION ............................... 3 USER INFORMA TION ................................... 3 About the Heat pump ................................ 3 Operating Instructions ............................... 3 Cooling Operation .........
3 Figure 1. Digital Thermostat Fa n Mode T emperature Selector System Mode USER INFORMA TION About the Heat Pump Y our heat pump is a unique, all w eather comf or t- control appliance that will heat and cool your home year round and pro vide energy saving comf or t.
4 At the beginning of the defrost cycle, both the outdoor condenser f an and compressor will tur n off . After approximately 30 seconds , the compressor will tur n on and begin to heat the outdoor coil causing the ice and snow to melt.
5 6 ft. 24" 12" 12" Figure 2. Minimum Unit Clearances HEA T PUMP INST ALLA TION Locating the Heat pump • Select a solid, le vel position, pref erab ly on a concrete slab , slightly abov e the grade le v el, and parallel to the home . DO NOT PLA CE UNIT UNDER THE HOME.
6 Figure 5. Return Air Box INST ALLING RETURN AND SUPPL Y AIR FITTINGS The supply and retur n fi ttings are included with the unit and located in the supply duct. They attach to the unit openings (Figure 4) with a fl ange and bead arrangement and ma y be, secured with two sheet metal scre ws.
7 Figure 6. Supply Damper A UTOMA TIC DAMPER IS CLOSED WHEN HEA T PUMP IS OFF Item No. Description 1 12” x 20” Return Air 2 16” x 20” Air Filter 3 12” x 20” Grille 4 Supply Damper 5 14” Diameter Flex Return Duct 6 12” Diameter Flex Supply Duct 7 12” x 12” x 12” “Y” Fitting T able 1.
8 Connecting the Return and Supply Air Flexib le Ducts • The retur n duct f or all units is 14” diameter . • The supply duct f or all units is 12” diameter . • The fl e xible ducts can be connected to the corresponding fi ttings with the clamps provided with the ducts.
9 Figure 8. P ower Entry Low V oltage High V oltage Overcurrent Pr otection Generally , the best fuse or break er f or any heat pump is the smallest size that will permit the equipment to run under nor mal usage and provide maximum equipment protection.
10 Figure 9. T ypical Wiring (Field Supplied) for 2-Stage Cool, 2 Stage Electric Heat E L C G Y2 Y1 INDOOR THERMOST A T SUB-B ASE Green W2 O R Y2 Y2 L out Y YR C DF DF2 out in out DEFROST BO ARD (from Blower Rela y) 1 2 3 4 5 6 7 8 9 Bro wn Orange Accessory Heat Plug T able 2.
11 Diagnostic Description LED Status Control F ault (No P ower) Off Nor mal Operation On ASCD Dela y Active (with compressor demand) 1 Flash Low Pressure Switch Loc kout 2 Flashes High Pressure Switch Lock out 3 Flashes Ambient Sensor F ault 4 Flashes Coil Sensor F ault 5 Flashes T able 3.
12 SYSTEM OPERA TION Pre-Start Checklist The f ollowing check list should be observed prior to star ting the unit. Is the unit le vel? Unit should be le vel or slightly slanted tow ard the drain for proper condensate drainage .
13 Anti Short Cycle Timer T est The 3 minute time dela y feature can be b ypassed by shorting the “TEST” pins together . Heating Mode When the “TEST” pins are shorted together f or more than 1 second, the control will switch between defrost mode and heating mode as described in the Defrost T est Procedure section (page 12).
14 Refrigerant Charging Charts for Cooling Mode of Operation Figure 11. Charging Chart for 2 ton Units 200 225 250 275 300 325 350 375 400 425 450 475 500 525 550 575 600 70 75 80 85 90 95 100 105 110.
15 Refrigerant Charging Charts for Cooling Mode of Operation - Continued Figure 14. Charging Chart for 5 ton Units 200 225 250 275 300 325 350 375 400 425 450 475 500 525 550 575 600 70 75 80 85 90 95.
16 Q5RF-X24K OUTDOOR TEMPERA TURE (DEG. F) 0 1 02 03 04 05 06 0 Suc. Liquid Disch. Suc. Liquid Disch. Suc. Liquid Disch. Suc. Liquid Disch. Suc. Liquid Disch. Suc. Liquid Disch. Suc. Liquid Disch. Press Press. T emp. Press. Press . T emp . Press. Press.
17 Refrigerant Charging T ables for Heating Mode of Operation - (contin ued) Q5RF-X48K OUTDOOR TEMPERA TURE (DEG. F) 0 1 02 03 04 05 06 0 Suc. Liquid Disch. Suc. Liquid Disch. Suc. Liquid Disch. Suc. Liquid Disch. Suc. Liquid Disch. Suc. Liquid Disch.
18 3. Not sutiable on systems that exceed 150V to gr ound. 4. For replacement wires use conductors suitable f or 105°C. 208/230 V OL T Q5RF/PPH2RF SERIES SMALL P A CKA GE H/P 2 T ON AND 3 T ON 60HZ/SINGLE PHASE 1. Disconnect all power bef ore servicing.
19 NO TES: 710890B 0809 FIELD WIRING LEGEND: LOW V OL T AGE HIGH V OL T AGE 208/230 V OL T Q5RF/PPH2RF SERIES SMALL P A CKA GE H/P 4 T ON AND 5 T ON 60HZ/SINGLE PHASE 1. Disconnect all power bef ore servicing. 2. For supply connections use copper conductors onl y .
INST ALLER PLEASE LEA VE THESE INST ALLA TION INSTRUCTIONS WITH THE HOMEO WNER. 709064B (Replaces 709064A) Specifi cations and illustrations subject to change without notice or incurring obligations.
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 Nordyne R-410A 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 Nordyne R-410A - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Nordyne R-410A imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Nordyne R-410A ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Nordyne R-410A, 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 Nordyne R-410A.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Nordyne R-410A. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Nordyne R-410A 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.
