Instruction/ maintenance manual of the product R-410A 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.
An important point after buying a device Nordyne R-410A (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Nordyne R-410A yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Nordyne R-410A - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Nordyne R-410A you will learn all the available features of the product, as well as information on its operation. The information that you get Nordyne R-410A will certainly help you make a decision on the purchase.
If you already are a holder of Nordyne R-410A, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Nordyne R-410A.
However, one of the most important roles played by the user manual is to help in solving problems with Nordyne R-410A. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Nordyne R-410A along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
