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NRL 280-750 Installation manual

1. 4 1 COOLING M C The units standard configuration not suitable 133 EO for installation in salty environments For functioning li 113 45 46 114 82 mits please refer to the diagrams below valid for AHRI a 36 C standard conditions P 95 35 Functioning with STANDARD 5 86 30 glycoled water functioning Wind breaks should be implemented if the unit is 77 25 68 20 installed in particularly windy areas to prevent 5 malfunction of the unit ED 46 a Functioning only With i f ns 3 32 0 funst lt m 23 5 water glycoled 14 10 5 15 SES sh eo Nl EI In ER DOTA ee ES NO st OON AHN st OO O m O O F v CN CN CN CN CN m e m e m m stb SE SE SE SE NLN Ln LO LO XO wo O Thermostatic valve Y 5 Je Thermostatic valve gt lt Thermostatic valve X Temperature of the water produced EVAPORATOR 4 2 HEATING MODE F C 140 60 222131 55 Ye 122 50 29 113 45 Z 104 40 56 95 35 So 86 30 5 77 25 Zs 68 20 ES 59 15 20 15 10 5 0 5 10 15 20 25 30 35 40 45 50 C 4 5 14 23 32 41 50 5
2. air conditioning 9309 INSTALLATION MANUAL CHILLER REVERSIBLE HEAT PUMP N R L 2 8 O 7 5 arum e EXTERNAL UNIT HIGH EFFICENCY HOT WATER PRODUCING UP 131 F 55 C POWER SUPPLY 60Hz AERMEC EA COMPANY QUALITY SYSTEM C us LISTED www ahridirectory org ISO 9001 2008 Cert n 0128 a E nterte Standard 550 590 CISQ andar Tes AERMEC S P A w CM A LIED NRL 0280 0750 60Hz Dear Customer Thank you for choosing an AERMEC product This product is the result of many years of expe rience and in depth engineering research and it is built using top quality materials and advanced technologies In addition the CE mark guarantees that our appliances fully comply with the requirements of the European Machinery Directive in terms of safety We constantly monitor the quality level of our products and as a result they are synonymous with Safety Quality and Reliability Product data may be subject to modifications dee med necessary for improving the product without the obligation to give prior notice Thank you again AERMEC S p A AERMEC S p A reserves the right at all times to make any modification for the improvement of its product and is not obliged to add these modification to machines of previous manufacture that have already been delivered or are being built 11 14 5641200 01
3. 50 KIT PGD1 ACCESSORIO Cavo telefonico a ACH Cavo telefonico a 0 8 E k e The address to enable remote panel is 31 For more information refer to the wiring diagrams in the selection program or site www aermec com 11 14 5641200 01 26 NRL 0280 0750 60Hz 13 USER INTERFACE PGD1 The unit control panel allow the quick setting and display of the unit s operating parameters The board memorises all the default settings and any modifica tions By installing the remote control panel PGD1 it is possible to remotely replicate all the functions and the settings available on the unit After a power failure the unit is capable of an automatic restart retaining the original settings The user interface consists of a graphic display with six navigation keys the display is arranged through a menu hierarchy activated by pressing the navigation keys The default display of these menus is the main screen The navigation between the various parame ters is by using the arrow keys located to the right of the display These keys are also used for the modifica tion of the selected parameter 11 14 5641200 01 INTERFACE CONTROL KEYS Control Keys Control Keys Key Fucntion ALARM key IB Displays the list of active and historical alarms red LED on active alarm MENU ACTIVATION key Prg Press
4. E e 9 SEQ o gt oa N Air Vent RECOMMENDED COMPONENTS NOT SUPPLIED CHARGED TO THE INSTALLER Air Vent Anti vibration couplings Pump 09 110 Storage tank 10 Expansion tank 11 Safety valve 12 Ball stop Tank 13 Charging unit 14 Ball Stop 15 Manometer PH 6 8 Electric less than 200 mV cm conductivity 77 F 25 Chloride ions less than 50 ppm Sulphuric acid ions less than 50 ppm Total iron less than 0 3 ppm Alkalinity M less than 50 ppm Total hardness less than 50 ppm Sulphur ions none ammonia ions none Silicone ions less than 30 ppm 22 NRL 0280 0750 60Hz ATTENTION The choice and the installation of components external to the NRL up to the installer who must ope rate according to the rules of good technical design and in compliance with the regulations in force in the country of destination ATTENTION The hydraulic pipes connecting to the machine must be properly si zed to the actual flow of water re quired by the system in operation The water flow to the exchanger must always be constant ATTENTION Carefully wash the plant before connecting the unit This allows cleaning to remove any residue such as weld spatter slag rust or other impurities from the pipes These substances may otherwise accumulate in and cause a machi ne malfunction The connecting pipes should be supporte
5. NRLO700A 02 04 2954 555 21 85 1798 70 79 4 0 4 1 34 4 35 1 11 1 11 4 VT 22 NRLO700A 01 03 2844 556 21 89 1777 69 96 4 4 4 4 34 1 34 8 11 1 11 3 VT 22 NRLO700A P2 P4 2690 556 21 89 1741 68 54 4 9 5 1 33 6 34 3 10 9 11 2 VT 22 NRL0700A P1 P3 2579 556 21 89 1714 67 48 5 4 5 5 33 2 34 0 10 8 11 1 VT 22 Gx WEIGHT OF RUNNING UNITS CENTER OF PERCENTAGE OF WEIGHT GRAVITY DISTRIBUTION SUPPORTS Gy s Gy in 3 4 5 TOP VIEW NRLO600A 00 33 7 33 3 11 1 11 0 NRLO600A 02 04 37 5 37 3 12 0 11 9 NRLO600A 01 03 37 4 37 1 12 0 11 9 NRLO600A P2 P4 34 4 34 1 11 3 11 2 NRLO600A P1 P3 34 1 33 7 11 2 11 1 NRLO650A 00 33 7 33 1 11 1 10 9 NRLO650A 02 04 37 6 37 1 12 0 11 3 NRLO650A 01 03 37 4 36 9 11 9 11 8 NRLO650A 2 4 545 moms lal nai lec al s eei ce mann mi cal dl ell ill lial sw al ll cl ll lle 21 46 1762 69 37 34 5 33 9 11 3 11 0 Gx TOP VIEW CENTER OF PERCENTAGE OF WEIGHT NRL TYPE WEIGHT GRAVITY DISTRIBUTION SUPPORTS KIT lib WEIGHT Gxmm Gxin Gymm Gyin 1 2 3 4 5 6 7 8 10750 00 3571 755 29 72 1840 7244 8
6. la God Los 9 9 o9 o9 Sos So D b 1450 200 57 8 in 1500 mm 100 mm 59 in 4 in 1500 mm 59 n 11 14 5641200 01 NRL 0280 0750 60Hz 8 7 NRL0750 HA 100 mm 2000 mm 2000 mm 100 mm 4 in 79 in 79 in 4 in 100 mm 2000 mm 1150 mm 2000 mm 100 mm 4 in 79 in 45 in 79 in 4 in 11 14 5641200 01 15 9 HYDRAULIC CONNECTION 9 1 HYDRAULIC CONNECTION NRL 0280 0700 KEY CONNECTIONS IN version with pump 2 IN standard version 00 2 OUT standard versions and storage tank 2 IN desuperheater 1 IN total recovery 2 OUT desuperheater 1 OUT total recovery 2 IN versions with storage tank 2 16 NRL 0280 0750 60Hz 11 14 5641200 01 NRL 0280 0750 60Hz 9 2 HYDRAULIC CONNECTION NRL 0750 IN standard version 00 and pump 497 mm 20 in 436 mm 17 in CONNECTIONS 3 IN version with storage tank pa OUT standard version 00 and pump OUT version with storage tank 3 C IN desuperheater 1 D OUT desuperheater 11 14 5641200 01 1 17 NRL 0280 0750 60Hz 10 DISTRIBUTION OF PERCENTAGE WEIGHTS ON SUPPORTINGPOINTS TOP VIEW CENTER OF PERCENT
7. al 18 ELECTRONIC CONTROL GR3 or Digital inputs 1 c pol nm Not used M2 27 gana G DIP SWITCH H LLLL DCP analogue outputs M4 2 I Not used M5 o 24Vac power supply M6 fom Fon Remote panel M7 M8 Digital inputs M9 M10 DIP SWITCH SW3 M11 Digital inputs T M1 Digital outputs 4 M2 M3 Versions with Total Recovery and Condensing Units are equipped with GR3 electronics standard remote panel All the other versions have pCO electronics remote panel available as accessory 11 14 5641200 01 LOT AP L ESP2 ESP1 ESP2 ESP1 O Wm RE va LESS EN CE N N qa 230 124 m 60 a VB2 V3V DOMO V m VB1 N N VB2 40 2 Sb 230 N N RS VM N VB1 VSL1 1 1 J L E 1 8 ck e M24 e r e r ol Ik BE rk _F o _ ol lt 1 I M20 ol IE M19 OO Digital outputs M16 E M15 M14 13 Analogue inputs o
8. PH Electric conductivity Chloride ions 77 F 25 C less than 50 ppm less than 200 mV cm Sulphuric acid ions less than 50 ppm Total iron less than 0 3 ppm Alkalinity M less than 50 ppm Total hardness less than 50 ppm Sulphur ions none ammonia ions none Silicone ions less than 30 ppm 24 HYDRAULIC COMPONENT RECOMMENDED EXTERNAL UNIT O gt ATTENTION The choice and the installation of components external to the NRL up to the installer who must ope rate according to the rules of good technical design and in compliance with the regulations in force in the country of destination ATTENTION The hydraulic pipes connecting to the machine must be properly si zed to the actual flow of water re quired by the system in operation The water flow to the exchanger must always be constant ATTENTION Carefully wash the plant before connecting the unit This allows cleaning to remove any residue such as weld spatter slag rust or other impurities from the pipes These substances may otherwise accumulate in and cause a machi ne malfunction The connecting pipes should be supported so as not to weigh with their weight on the unit THE DRAWINGS ARE ONLY EXAM PLES OF THE HYDRAULIC CIRCUIT 11 14 5641200 01 NRL 0280 0750 60Hz 12 ELECTRONIC CONTROL PCO START UP ANTI FREEZE ALARM WATER FLOW ALARM CIRCULA
9. re 15 9 Hydraulic CORMECTION nennen 16 9 1 Hydraulic Connection 0280 0700 16 9 2 Hydraulic Connection 0750 17 10 Distribution Of Percentage Weights On Supportingpoints 18 11 Hydraulic Cana 22 11 1 Internal And External Hydraulic Circuit Ha 00 Standard 22 11 2 Internal And External Hydraulic Circuit Pump Version 23 11 3 Internal And External Hydraulic Circuit Nrl Pump Version And Storage Tank 24 12 Electronic COMECON PEO nn 25 13 User Interface Pe een 27 14 Start Up Procedure a a 28 15 Menu Structure And Navigation 29 16 User Operating Procedures 30 17 Electronic Control Gr3 rr 31 18 Electronic Controller anne een 31 4 11_14 5641200_01 NRL 0280 0750 60Hz 11 14 5641200 01 5 Standards and Directives respected on designing and constructing the unit PROTECTION RATING 1 IP 24 ACOUSTIC PART 1 150015 9614 2 INTENSIMETRIC METHOD 2 SOUND POWER EN ISO 9614 2 3 SOUND PRESSURE EN ISO 3744 REFRIGERANT GAS This unit contains fluoride gases with greenhouse effect covered by the Kyoto Protocol Maintenance and disposal must only be performed b
10. to move to the next parameter previous para meter b Once in the menu selection mode it is possible to move next i t between menus using the arrow keys the key to move to the Parameter previous menu and the key to move to the next menu c When the desired parameter is seen press the key lt to enter the parameter To exit the parameter and return to the parameter selection mode press the key WARNING Once a parameter is selected by pressing the key the parameter selection mode is automatically accessed and in this mode the desired parameter values can be set with the following procedure 1 Pressing the key lt causes a flashing cursor to appear on the first modifiable field of the parameter If no modifiable fields are displayed then the cursor will not appear 2 Pressing the key or the key the value of the field can be increased or decreased 3 Pressing the key lt confirms the modification of the field menu Press the to return to the menu selection mode value saving it in memory On the basis of the type of parameter m selected the number of modifiable fields can change previous menu c When the desired menu is seen press the key to enter the entering a menu exiting a menu entering a para meter exiting a parameter 30 11 14 5641200 01 NRL 0280 0750 60Hz
11. 20 8 20 8 2 5 AVX 7001 NRLO750HA 02 04 5137 2 E 7 596 7 496 20 2 20 2 2 2 AVX 7002 7 6 7 6 19 9 19 8 20 3 20 2 2 3 AVX 7002 NRL0750HA 01 03 NRLO750HA 2 4 4828 NRL0750HA P1 P3 4696 29 49 2288 90 08 7 9 7 8 19 4 19 3 20 5 20 4 2 4 AVX 7001 29 49 2285 89 96 8 0 8 0 19 0 18 9 20 6 20 6 2 4 AVX 7001 WEIGHT OF RUNNING UNITS CENTER OF PERCENTAGE OF WEIGHT NRL WEIGHT GRAVITY DISTRIBUTION SUPPORTS KIT NRLO750HA 00 4630 742 29 21 2283 8988 8 3 8 2 18 7 18 3 21 0 20 6 2 5 2 5 AVX 7001 NRLO750HA 02 04 6768 745 29 33 2317 91 22 5 9 5 8 23 8 23 5 18 9 18 7 1 7 1 7 AVX 7002 NRLO750HA 01 03 6636 745 29 33 2316 91 18 6 0 5 9 23 6 23 2 19 0 18 8 1 7 1 7 AVX 7002 NRLO750HA P2 P4 4916 743 29 25 2290 90 16 7 9 7 8 19 5 19 2 20 7 20 3 2 4 2 3 AVX 7001 NRLO750HA P1 P3 4784 743 29 25 2287 90 04 8 1 7 9 19 1 18 8 20 8 20 4 2 4 2 4 AVX 7001 11 14 5641200 01 21 11 HYDRAULIC CIRCUIT 11 1 INTERNAL AND EXTERNAL HYDRAULIC CIRCUIT NRL HA 00 STANDARD HYDRAULIC COMPONENTS NRL STANDARD COMPONENT Exchanger plate SYSTEM SIDE Water filter fitted Flow switch fitted Water temperature probes IN OUT Ball stop drain EXTERNAL UNIT HYDRAULIC RECOMMENDED COMPONENT x
12. NRL 0280 0750 60Hz KEY 2 Check List xP 6 1 Description And Choce Of Unit a 6 3 Cooling Circuit S Ru COR DX IDEM UM UOS 7 3 1 Nrl Cooling Circuit Only Cooling 7 3 2 Nrl Cooling Circuit Heat Pump 8 4 Operation LImIL ias 9 4 1 Cooling Mode sese 9 4 2 Meta Mod 9 5 Selection And Place Of Installation 10 5 1 Minimum Technical P 10 6 10 7 DIMENSION 11 7 1 NILOZS0 EJ NITOZBO Henne 11 7 2 DIGIC 11 7 3 0330 0350 E Nrl 0300 0330 0350 11 7 4 Nri 0500 0550 A Nr 0500 0550 12 7 5 0600 0650 0700 0600 0650 0700 12 7 6 T 12 7 7 Nrl 0750 LP eier 12 8 Antivihration POSI OIE aan 13 8 1 NEDOZSO E een 13 8 2 NIES E 13 8 3 0330 0350 E Nrl 0300 0330 0350 13 8 4 0500 0550 Nri 0500 0550 13 8 5 0600 0650 0700 A 0600 0650 0700 Ha 14 8 6 Br tt EISEN ee ee 14 8 7
13. 496 8 5 18 296 18 5 20 8 21 0 2 3 2 3 VT23 NRLO750A 02 04 4167 754 29 69 1919 7555 7 496 7 5 18 0 18 296 22 596 22 8 1 8 1 8 VT23 NRLO750A 01 03 4034 754 29 69 1904 3 7496 7 6 7 7 18 196 18 3 22 2 22 4 1 9 1 9 VT23 NRLO750A P2 P4 3858 754 29 69 1881 74 06 7 996 8 0 18 1 18 3 21 7 21 9 2 0 2 1 VT23 NRLO750A P1 P3 3726 754 29 69 1863 73 5 8 196 8 2 18 2 18 4 21 3 21 5 2 1 2 2 VT23 WEIGHT OF RUNNING UNITS CENTER OF PERCENTAGE OF WEIGHT WEIGHT GRAVITY DISTRIBUTION SUPPORTS lib WEIGHT 1 7 NRLO750A 00 3660 29 37 1847 72 72 8 4 18 4 18 2 21 1 20 9 2 3 2 3 NRLO750A 02 04 5798 29 41 2048 80 63 5 5 17 8 17 7 26 0 25 8 0 9 0 9 NRLO750A 01 03 5666 29 41 2040 80 31 5 6 17 8 17 7 25 7 25 6 0 9 0 9 NRLO750A P2 P4 3946 29 37 1886 74 25 7 8 18 3 18 1 22 0 21 7 2 0 2 0 NRLO750A P1 P3 3814 29 37 1869 73 58 8 1 18 4 18 2 21 6 21 3 2 2 2 1 11 14 5641200 01 19 CENTER OF PERCENTAGE OF WEIGHT NRL TYPE ibi GRAVITY DISTRIBUTION SUPPORTS 20 v Gxmm Gxin Gymm Gyin 1 2 3 4 NRLO280HE 00 1589 984 138 73 25 27 23 25 VT 17 NRLO280HE 02 04 1997 21 89 1144 45 04 21 23 27 29 VT 13 NRLO280HE 01 03 1920 2
14. 54 13 26 28 23 24 VT13 NRLOSSOA 22 05 1380 54 33 26 27 VT13 NRLOSSOA VT 13 NRLOSSOA 568 22 36 1317 51 85 27 29 22 18 561 22 09 1324 52 113 27 28 23 11 14 5641200 01 NRL 0280 0750 60Hz WEIGHT OF EMPTY UNITS CENTER OF uN PERCENTAGE OF WEIGHT WEIGHT GRAVITY DISTRIBUTION SUPPORTS KIT NRL lib G Ur 8 60 2 a NRLO600A MEER 1706 167 17 5 6 5 6 33 296 33 696 11 096 11 196 VT 22 NRLO600A 02 04 2932 1821 71 69 3 7 3 7 34 896 35 196 11 3 11 4 VT 22 NRLO600A 01 03 2822 1801 70 91 4 0 4 1 34 5 34 896 11 3 11 496 VT 22 NRLO600A 2 4 2668 1766 4 6 4 7 34 0 34 3 11 2 11 3 VT 22 NRLO600A P1 P3 2557 pum 1740 68 50 5 0 5 1 33 6 34 0 11 196 11 296 VT 22 NRLO650A 00 2447 Pepe 1695 66 73 5 7 5 8 33 396 33 3 10 9 11 0 VT 22 NRLO650A 02 04 2954 DI 1811 71 30 3 8 3 8 34 8 34 9 11 3 11 3 VT 22 NRLO650A 01 03 2844 1791 70 51 4 2 4 2 34 5 34 6 11 2 11 3 VT 22 NRLO650A P2 P4 2690 550 21 65 1755 69 09 4 8 4 8 34 0 34 1 11 1 11 1 VT 22 NRLO650A P1 P3 2579 550 21 65 1729 68 07 5 2 5 2 33 7 33 8 11 0 11 1 VT 22 NRLO700A 00 2447 557 21 93 1679 66 10 5 9 6 0 32 89 33 6 10 7 11 0 VT 22
15. LIQUID SEPARATOR ys no yes CYCLE REVERSE VALVE ys no no yes NRL 0280 0750 60Hz The versions can be in different set ups at the same time in order to satisfy a wide range of plant enginee ring solutions A HIGH EFFICIENCY E SILENCED HIGH EFFICIENCY D WITH DESUPERHEATER T WITH TOTAL RECOVERY Teu pe Configurations not allowed YD YT YH HT HC TC DC 11 14 5641200 01 NRL 0280 0750 60Hz 3 COOLING CIRCUIT 3 1 NRL COOLING CIRCUIT ONLY COOLING CN IDL Y TEV X CN KEY BHE EXCHANGER PLATE CN AIR SIDE EXCHANGE CP COMPRESSOR DEHYDRATOR FILTER HPS HIGH PRESSURE SWITCH HPT HIGH PRESSURE TRANSDUCER IDL LIQUID INDICATOR LPT LOW PRESSURE TRANSDUCER 11 14 5641200 01 HPT IH NRL 0280 0750 60Hz 3 2 NRL COOLING CIRCUIT HEAT PUMP CV O IDL NZ TEV X KEY AL LIQUID TANK BHE EXCHANGER PLATE CN AIR SIDE EXCHANGE CP COMPRESSOR CV ONE WAY VALVES F DEHYDRATOR FILTER HPS HIGH PRESSURE SWITCH HPT HIGH PRESSURE TRANSDUCER IDL LIQUID INDICATOR LPT LOW PRESSURE TRANSDUCER LS LIQUID SEPARATOR VIC CYCLE INVERSION VALVE 8 11 14 5641200 01 NRL 0280 0750 60Hz 4 OPERATION LIMIT
16. NRLOSOOHA P2 P4 2353 22 22 1352 53 22 26 28 22 24 VT13 NRLOSOOHA P1 P3 2267 22 24 1296 51 02 27 29 21 23 VT13 NRLO550HA 00 2219 567 22 34 1226 48 28 28 30 20 21 VT13 NRLOSSOHA 02 04 2678 564 122 22 1406 155 35 25 27 23 24 VT10 NRLOSSOHA 01 03 2592 565 22 24 1359 53 50 26 28 22 24 10 NRLOSSOHA P2 P4 2391 566 2229 1341 5281 26 28 22 23 VT13 NRLOSSOHA P1 P3 2305 567 2231 1286 50 63 27 29 21 22 VT 13 20 NRL TYPE WEIGHT lib A NRL 0280 0750 60Hz TOP VIEW CENTER OF PERCENTAGE OF WEIGHT GRAVITY DISTRIBUTION SUPPORTS Gxmm Gxin Gy Gyin 1 2 3 4 KIT VT NRLO280HE 550 NRLO280HE 550 1243 48 95 NRLO280HE 550 1217 47 90 NRLO280HE 550 1091 42 94 NRLO300HE 00 NRLO300HE 02 04 NRLO300HE 01 03 NRLO3OOHE P1 P3 2676 VT 17 NRLO330HE 00 NRLO330HE 02 04 NRLO330HE P2 P4 2776 VT 13 NRLO330HE P1 P3 NRLO350HE 00 NRLO350HE 02 04 3070 550 21 64 1357 5341 23 24 26 28 VT13 NRLO350HE 01 03 2993 550 21 64 1336 52 01 23 25 25 27 VT 13 NRLO350HE P2 P4 2155 549 21 63 1279 50 35 24 26 24 26 VT17 NRLO350HE P1 P3 2078 549 21 63 1247 49 08 25 26 24 25 VT17 NRLOSOO
17. system RECOVERY If the unit includes heat recovery this menu permits the setting of the parameters associated with the heat recovery r L 1 4 This menu contains the settings useful for the installer enabling digital inputs BMS configuration control pumps etc WARNING This menu is password protected password is 0000 r L 1 4 ASSISTANCE This menu is only accessible to qualified personnel r L 1 4 FACTORY This menu is only accessible to qualified personnel r L 1 amp 4 CLOCK This menu contains the clock settings for the system control date hour calender 0600000000 3A r L 11 14 5641200 01 29 NRL 0280 0750 60Hz 16 USER OPERATING PROCEDURES To check or modify the operating parameters of the unit it is necessary to use the interface of the control panel on the unit The basic operations that the user must be capable of for the correct use of the unit are 1 Moving from one menu to the next 2 Selecting and modifying a parameter Moving between menus Selecting and modifying a menu a To move between the menus the order in which they are dis a Once in the menu selected by following the procedure it played is shown in the previous page enter the menu selection is possible to move between the screens using the arrow keys the mode by pressing the key key to move to the previous parameter and the key
18. the unit This allows cleaning to remove any residue such as weld spatter slag rust or PH 6 8 other impurities from the pipes Electric less than 200 mV cm These substances may otherwise conductivity 77 F 25 C Chloride ions less than 50 ppm Sulphuric acid ions less than 50 ppm Silicone ions Total iron less than 0 3 ppm Alkalinity M less than 50 ppm Total hardness less than 50 ppm Sulphur ions none ammonia ions none less than 30 ppm 11 14 5641200 01 accumulate and cause ne malfunction The connecting pipes should be supported so as not to weigh with their weight on the unit THE DRAWINGS ARE ONLY EXAM PLES OF THE HYDRAULIC CIRCUIT 23 11 3 I INTERNAL AND EXTERNAL HYDRAULIC CIRCUIT NRLPUMP VERSION AND STORAGE TANK NRL 0280 0750 60Hz HYDRAULIC COMPONENT NRL STANDARD COMPONENT Exchanger plate Water filter fitted Flow switch fitted Water temperature probes IN OUT Ball stop drain Air Vent Pump Tank E e Expansion tank Safety valve N Ball stop Tank E I 10 13 14 15 Ball Stop RECOMMENDED COMPONENTS NOT SUPPLIED CHARGED TO THE INSTALLER Air Vent Anti vibration couplings Expansion tank Charging unit Ball Stop Manometer
19. 1 90 1104 43 46 22 24 26 28 VT 13 NRLO280HE P2 P4 1744 21 92 1087 42 78 22 25 25 28 VT 17 NRLO280HE P1 P3 1667 21 93 1038 40 85 23 26 24 27 VT 17 NRLO300HE 00 1765 21 93 1188 46 78 25 28 22 24 VT 17 NRLO300HE 02 04 2173 556 1297 51 07 23 26 24 27 VT 13 NRLO300HE 01 03 2096 556 1266 49 84 24 26 24 26 VT 13 NRLO300HE 2 4 1920 556 1265 49 80 24 26 24 26 VT17 NRLO300HE P1 P3 1843 557 1228 48 35 25 27 23 25 VT17 NRLO330HE 00 1775 1184 46 60 25 28 22 24 VT17 NRLO330HE 02 04 2183 21 88 1293 50 90 23 26 24 27 VT13 NRLO330HE 01 03 2106 21 89 1262 49 68 24 26 24 26 VT13 NRLO330HE P2 P4 1930 21 91 1261 49 63 24 27 23 26 VT17 NRLO330HE P1 P3 1853 557 21 92 1224 48 18 25 27 23 25 VT 17 NRLO350HE 00 1948 21 93 1208 47 55 25 28 22 25 VT 17 NRLO350HE 02 04 2356 21 88 1305 51 37 23 26 24 27 VT 13 NRLO350HE 01 03 2279 21 89 1276 50 25 24 26 24 26 VT 13 NRLO350HE P2 P4 2103 21 91 1276 50 26 24 26 24 26 VT17 NRLO350HE P1 P3 2025 21 92 1243 48 95 24 27 23 26 VT17 NRLOSOOHA 00 2181 22 26 1236 48 65 28 30 20 22 VT13 NRLOSOOHA 02 04 2639 22 15 1416 55 76 25 27 23 25 VT 10 NRLOSOOHA 01 03 2553 22 17 1369 53 89 26 27 23 24 VT10
20. 19 21 29 31 VT13 NRLO3OOE 2 4 1701 557 21 93 1099 43 27 22 24 25 28 VT17 NRLO3OOE 2 4 1741 548 21 57 1106 43 54 22 24 26 28 VT17 me amare se nar na am e am NRLO330E 02 04 1976 556 21 89 1282 50 47 VT13 NRLO330E 02 04 2680 549 2161 1349 5341 23 24 25 27 VT13 e s v ma foras aes se mar pm mo 2 zm 2 ra us ar v ma aR me um a ru NRLO330E P1 P3 1645 558 21 97 1201 47 28 VT17 NRLO330E 1688 549 2161 1209 47 60 25 27 23 25 VT17 m a am am ear ee N se anew um ar we re aun Gus um nap mw ans Lam is mw ve er am am am TB me e e sr ae am ein ee nar an im sys am ae 2 v NRLO350E 2 4 1866 557 2193 1271 5004 24 26 24 26 VT17 NRLO350E 2 1909 549 21 61 1276 50 24 24 26 NRLOSOOA 568 22 36 1197 47 13 VT13 NRLOSOOA 21 VT13 NRLOSOOA 565 22 24 1855 53 35 26 28 22 24 VT10 NRLO500A 21 85 1551 61 06 23 24 NRLOSOOA 567 22 32 1269 49 96 VT13 NRLOSOOA 22 01 1278 5031 28 29 NRLO550A 565 22 24 1439 56 65 25 26 24 25 VT10 10550 556 21 89 1593 62 72 23 23 NRL0550A 567 22 32 1375
21. 29 552 21 73 1834 72 20 3 8 3 9 34 5 34 8 11 5 11 6 VT 22 NRLO7OOHA P2 P4 3153 553 21 77 1806 7110 4 3 4 4 34 0 34 3 11 4 11 5 VT 22 Gx NRLO7OOHA P1 P3 3064 553 21 77 1786 70 31 4 7 4 7 33 7 34 0 11 3 11 5 VT 22 WEIGHT OF RUNNING UNITS CENTER OF PERCENTAGE OF WEIGHT WEIGHT GRAVITY DISTRIBUTION SUPPORTS ib Gla mm SY in VIEW NRLO600HA 2932 34 0 33 4 11 6 11 4 NRLO600HA 4541 37 5 37 0 12 3 12 2 NRLO600HA 4431 37 3 36 9 12 3 12 2 NRLO600HA 3175 34 7 34 1 11 8 11 6 NRLO600HA 3064 34 4 33 8 11 7 11 5 NRLO650HA 2976 34 1 33 2 11 6 11 3 NRLO650HA 02 04 4586 37 6 36 9 12 3 12 1 NRLO650HA 01 03 4475 37 4 36 7 12 2 12 0 NRLO650HA 2 4 3219 34 8 33 9 11 7 11 4 NRLO7OOHA 02 04 4608 547 21 54 1985 78 15 0 7 0 7 37 4 37 0 12 2 12 0 VT 22 NRLOZOOHA P2 P4 3241 545 21 46 1814 71 42 NRLO700HA P1 P3 3131 545 21 46 1795 70 67 4 6 4 5 34 3 33 7 11 5 11 3 VT 22 Gx TOP VIEW WEIGHT OF EMPTY UNITS CENTER OF PERCENTAGE OF WEIGHT GRAVITY DISTRIBUTION SUPPORTS KIT WEIGHT MRE tib WEIGHT NRLO750HA 00 NUS 29 49 2281 89 80 8 3 8 2 18 5 18 4
22. 875 mm 74 in 1990 mm 78in 3950 mm 156 in SN 1160 mm 46 in 4010 mm 158 in 7 6 NRL0750A 7 7 NRL0750HA 1975 mm 1975 mm 78 in 78 in 4350 mm 171 in 5355 mm 211 in ATTENTION A NRL 0750 A HA ALWAYS USE ALL THE PROVI DED EYEBOLTS 1500 mm L 59 12 11 14 5641200 01 NRL 0280 0750 60Hz 8 ANTIVIBRATION POSITIONING 8 1 NRL 0280 E NRL 0280 200 mm 2050 mm 200 mm 8 in 81 in 8 in 200 mm 2050 mm 200 mm 8 in 81 in 8 in 8 2 NRL 0300 8 3 NRL0330 0350 NRL 0300 0330 0350 HE 8 4 0500 0550 0500 0550 200 1275 1275 200 8 50 50 8 200 1275 1275 200 8 50 50 8 11 14 5641200 01 13 8 5 NRL 0600 0650 0700 A 0600 0650 0700 HA 200 8 in 2100 mm 83 in z NRL 0280 0750 60Hz 1450 mm 200 mm 57 in 8 in 200 mm 8 in 8 6 NRL0750A 2100 mm 83 in 14 2 O O o 0 0 olf 0 po
23. 9 68 77 86 95 104 113 122 F External air temperature b s High pressure Low pressure ATTENTION REFRIGERANT SIDE Contact our technical sales depart side side ment if the unit needs to operated Acceptable maximum pressure bar PSI 45 653 30 435 outside the operating limits Acceptable maximum temperature C F 120 257 51 131 Acceptable minimum temperature C F 30 22 30 22 WATER SIDE Acceptable maximum pressure ATTENTION If the unit is installed in particu larly windy areas we recommend providing for windbreak to avoid malfunctioning Hydarulic circuit safety valve only in version with storage tank or with pump Calibrated at 6 87 bar PSI and with piped discharge which intervents by discharging overpressure if abnormal work pressure occur Note 1 summer mode the unit can be started with external air 46 C 114 8 F and water inlet 35 C 95 F In winter mode the unit can be started with external air 15 C 5 F and water inlet 11 14 5641200 01 20 C 68 F Operate in such conditions is permit ted only for a short time and to bring the system up to temperature To reduce the time of this operation it is recommended to install a three way valve that allows bypassing water from the system utilities until the conditions that allow the unit to work within the permitted operation limits are achieved 5 SELECTION AND PLACE OF INSTALLATION Prima di procedere all installazio
24. AGE OF WEIGHT CENTER OF PERCENTAGE OF WEIGHT NRL TYPE ER GRAVITY DISTRIBUTION SUPPORTS KN NRL TYPE GRAVITY DISTRIBUTION SUPPORTS Gxmm Gxin 1 2 3 4 Gxmm Gxin Gy 1 2 3 4 NRLO280E 00 1401 558 21 97 965 37 99 25 2896 22 25 VT17 NRLO2SOE 00 1432 550 21 65 974 38 35 2596 2796 23 25 VT17 NRLO280E 02 04 1809 557 21 93 1146 45 12 21 23 27 29 VT13 NRLO280E 02 04 2501 550 21 65 1253 49 33 19 20 29 32 VT13 NRLO280E 01 03 1732 557 21 93 1102 43 39 22 24 26 28 VT13 NRLO280E 01 03 2424 550 21 65 1225 48 23 19 2196 29 31 VT13 NRLO280E 2 4 1555 558 21 97 1082 42 60 22 25 25 28 VT17 10280 2 4 1587 550 21 65 1088 42 83 23 2496 26 28 VT17 NRLO280E P1 P3 1478 558 21 97 1026 40 39 24 26 24 26 VT17 NRLO280E 1 3 1509 550 21 65 1034 40 71 2496 26 24 26 VT17 NRLO3OOE 00 1547 558 21 97 995 39 17 2496 27 23 26 VT17 NRLO300E 00 1587 548 21 57 1005 3957 25 26 2496 2596 VT17 NRLO3OOE 02 04 1955 556 21 89 1157 45 55 2196 23 27 30 VT13 NRLO3OOE 02 04 2656 549 21 61 1256 49 45 19 20 30 32 VT 13 NRLO3OOE 01 03 1878 557 21 93 1116 43 94 22 24 26 29 VT13 NRLO3OOE 01 03 2579 549 21 61 1229 48 39
25. HA 00 1244 48 97 NRLOSOOHA 02 04 1572 61 88 NRLOSOOHA 01 03 1543 60 74 NRLOSOOHA P2 P4 NRLOSOOHA NRLO550HA 00 1357 53 42 NRLO550HA 102 04 NRLO550HA 01 03 NRLO550HA NRLO550HA P1 P3 2368 P2 P4 2454 560 560 27 22 28 22 11 14 5641200 01 NRL 0280 0750 60Hz WEIGHT OF EMPTY UNITS CENTER OF PERCENTAGE OF WEIGHT NRL TYPE u GRAVITY lt DISTRIBUTION SUPPORTS Gx in 1 2 3 als 6 mm mm NRLO600HA 00 2866 553 21 77 11 4 11 5 VT 22 NRLO600HA 02 04 3351 552 21 73 1871 11 7 11 8 VT 22 NRLO600HA 01 03 3263 552 21 73 1854 11 7 11 8 VT 22 NRLO600HA P2 P4 3086 552 21 73 1827 11 6 11 7 VT 22 NRLO600HA P1 P3 2998 552 21 73 1807 11 5 11 6 VT 22 NRLO650HA 00 2998 535 21 06 1800 12 0 11 3 VT 22 NRLO650HA 02 04 3483 537 21 14 1885 12 2 11 6 VT 22 NRLO650HA 01 03 3373 537 21 14 1869 12 2 11 6 VT 22 NRLO650HA 2 4 3219 536 21 10 1843 72 56 4 1 3 9 35 1 33 4 12 1 11 5 VT 22 NRLO650HA P1 P3 3108 536 21 10 1824 71 81 4 4 4 2 34 8 33 1 12 0 11 4 VT 22 NRLO7OOHA 00 2932 553 21 77 1759 69 25 5 2 5 2 33 3 33 7 11 3 11 4 VT 22 Gy NRLO7OOHA 02 04 3417 552 21 73 1851 72 87 3 5 3 5 34 7 35 0 11 6 11 7 VT 22 NRLO7OOHA 01 03 33
26. TING PUMP Reference parameters If the water flow rate is not sufficient this safety stops the compressors and the pump i Compressor BLOCK OFF ON 1 Turn the unit on ON v BLOCCO OFF 2 Start Pump T Pan Flow Switch 3 Control water flow rate 20 seconds cade M le al or Flow switch or pressure switch if provided alarm s e User Manual Pressure Switch if provided 4 Whenever alarms do not occur the compressor _ Water flow rate gt 20 seconds Electical Heater OFF ON T starts is not sufficient Compressor not work Temperature gt 5 C 4 lt A Cod Alarm See User Manual Circulating Pump OFF ON Temperature gt 5 C 4 C lt Water flow rate gt 20 seconds Only for pure water not added with glycol is sufficient Start Compressor Versions with Total Recovery and Condensing Units are equipped with GR3 electronics standard remote panel All the other versions have pCO5 electronics remote panel available as accessory 11 14 5641200 01 25 NRL 0280 0750 60Hz AUXILIARY CONNECTIONS For Standard Version External Alarm Circulating Pump Circulating Pump 115 08 8 8 J22 18 Remote Control 112 01 01 PGD1 4 E 315 4 116 ges FieldBus card BMS card External Circuit Breaker J20 IDC17 0 1 200 m gt gt Cavo schermato AWG24 2 twisted pair
27. TIONING The machine is delivered from the factory wrapped in estincoil Before handling the unit verify the lifting capacity of the machines used After removal of packaging movement of apparatus must be carried out by qualified and adequately equipped personnel ATTENTION The drawings are only examples EXAMPLE 2 OF THE LIFTING Once the packaging has been removed the unit must be handled by qualified per sonnel using the appropriate equipment To handle the machine IN THE EVENT OF LIFTING hook the lifting cables to the special eyebolts In order to avoid damaging the unit with the cables insert protection elements between them and the machine Is it absolutely forbidden to stand beneath the unit NRL 0280 0750 60Hz The unit must be installed by a quali fied and suitably trained technician in compliance with the national legislation in force in the country of destination Ministerial Decree 329 2004 AERMEC will not assume respon sibility for damage due to failure to follow these instructions Before beginning any operation READ THESE INSTRUCTIONS CARE FULLY AND CARRY OUT THE SAFETY CHECKS TO REDUCE ALL RISK OF DANGER TO A MINIMUM All the staff involved must have thorough knowledge of the operations and any dangers that may arise
28. at the moment in which the installation operations are carried out NRL 0750 always use all the provided eyebolts Before moving the unit check the lifting capacity of the machines used ATTENTION Always use all the provided eyebolts 11 14 5641200 01 NRL 0280 0750 60Hz 7 DIMENSION 7 1 NRL 0280 E NRL 0280 1606 mm 63 in NS 1100 mm 43 in 7 2 NRLO300E 1606 mm 63 in 1100 mm 43 in 7 3 NRL 0330 0350 E NRL 0300 0330 0350 1606 mm 63 in 1100 mm 43 in 2950 mm 116 in 1750 mm 69 1160 mm 46 in 1750 mm 69 in 3010 mm 119 in 1160 mm 46 in 1750 mm A 69 i 2 3010 119 in 1160 mm 46 in 11 14 5641200 01 11 NRL 0280 0750 60Hz 7 4 NRL 0500 0550 A NRL 0500 0550 HA 2035 mm 1875 mm 80 in 74 in i K m p N at 2950 3010 SV 116 119 1100 43 46 7 5 NRL 0600 0650 0700 A 0600 0650 0700 HA 1
29. d so as not to weigh with their weight on the unit THE DRAWINGS ARE ONLY EXAM PLES OF THE HYDRAULIC CIRCUIT 11 14 5641200 01 NRL 0280 0750 60Hz 11 2 INTERNAL AND EXTERNAL HYDRAULIC CIRCUIT NRL PUMP VERSION E 4 HYDRAULIC COMPONENT RNA NRL RECOMMENDED EXTERNAL UNIT 0 ai HS TO gt 90 I ro KO gt gt ATTENTION The choice and the installation of STANDARD COMPONENT components external to the NRL 1 Exchanger plate up to the installer who must ope 2 Water filter fitted rate according to the rules of good 3 Flow switch fitted technical design and in compliance 4 Water temperature probes IN OUT with the regulations in force in the 5 Ball stop drain country of destination 6 Air Vent 8 Pump 10 Expansion tank 11 Safety valve 14 Ball Stop ATTENTION The hydraulic pipes connecting to RECOMMENDED COMPONENTS NOT SUPPLIED bh saman N CHARGED TO THE INSTALLER 4 quired by the system in operation An The water flow to the exchanger 7 Anti vibration couplings 22 9 10 Expansion tank 12 Ball Stop Tank 13 Charging unit 14 Ball Stop ENTON 15 Manometer Carefully wash the plant before connecting
30. description of the intervention measures actuated 3 It is forbidden to LOAD the cooling circuit with a refrigerant different to that indicated Using a different refrigerant gas can cause serious damage to the unit 33 NRL 0280 0750 60Hz 34 11 14 5641200 01 NRL 0280 0750 60Hz 11 14 5641200 01 35 es COMPANY QUALITY SYSTEM e amp Tel 439 0442 633111 LS Telefax 39 0442 93577 50 9001 2008 n 0128 e air conditioning www aermec com info aermec com ere 7 The technical data on the following documents not binding SPA Aermec reserves the right to make any changes at any time deemed necessary for product improvement AERMEC 5 37040 Bevilacqua VR Italy Via Roma 996
31. ing this key activates the navigation between menus orange LED on winter operating mode active EXIT MENU key Pressing this key returns to the previous menu NAVIGATION key e Pressing this key when navigating between menu parameters passes to the next menu parameter e Pressing this key when modifying a parameter increases the value of the selected parameter NAVIGATION enter key e Pressing this key when navigating between menus allows entry to the selected menu e Pressing this key when navigating between parameters allows selection of the parameter displayed to modify it e Pressing the key when modifying a parameter confirms the modification of the parameter value selected NAVIGATION key e Pressing this key when navigating between menu parameters passes to the previous menu parameter e Pressing this key when modifying a parameter decreases the value of the selected parameter 27 28 14 START UP PROCEDURE After having powered up the unit the control board will carry out preliminary operations before being ready for use This initial procedure takes around 60 seconds to complete During the initial loading procedure two screens are displayed a start up screen and a screen to NRL 0280 0750 60Hz select the system language These screens are detailed any time through the appropriate screen contained in the table below in the Installer menu WARNING The system lang
32. ke sure that the voltage value are within the prefixed limits and that the displacements between the three phases three phase supply power do not get above 3 SEASON CHANGE OF THE PANEL ON THE MACHINE To activate the season change just press the indicated key in fig 5 To ensure that the operation is successful machine must be active as remote or local For further information refer to the USE manual SEASON CHANGE OF PR3 Just act directly on the switch The machine turns off automatically and it restarts with the selected operation mode A ATTENTION 1 Commissioning must be performed with standard settings Only when the inspection has been completed can the functio ning Set Point values by changed Before start up power the unit for at least 12 24 hours posi tioning the protection magnet circuit breaker switch and the door lock isolating switch at ON Make sure that the control panel is off in order to allow the compressor oil sump to heat 11 14 5641200 01 Led On WN y O O E 1 A 2 We recommend to envision a machine book not supplied but the user s responsibility which allows to keep track of the interventions performed on the unit In this way it will be easy to suitably organise the interventions making research and the prevention of any machine breakdowns easier Use the date to record date type of intervention made routine maintenance inspection or re pairs
33. l M18 24Vac power supply M17 Clean contact alarms summary 220V digital outputs 220V power supply digital outputs 31 CONNECTION THE POWER SUPPLY Accertarsi che non ci sia presenza di tensione sulla linea elet trica a cui vi allaccerete TO ACCESS THE ELECTRIC BOX Turn the screws of the electrical panel in counter clockwise direction Turn the handle of the door block disconnecting switch to OFF see figure In this way the electrical panel can be accessed ELECTRICAL POWER CONNECTION For functional connection of the unit take the supply power cable to the electrical panel inside the unit in the previous page and connect it to the disconnecting switch terminals observing the phase and the earth AUXILIARY CONNECTIONS AT THE USER INSTALLER EXPENSE The terminals indicated in future explanations are part of the GR 3 control boards For installation requirements refer to the wiring diagram supplied with the unit The wiring diagram together with the manuals must be kept in good conditions and readily accessib le for future operations on the unit AUXILIARY SWITCH IAD To prepare the auxiliary switch connect the device to the clamp 4 of the control board M7 SC and to the clamp 4 of the remote panel PUMP CONTACTOR 01 CP02 To prepare the pump contactor connect the device 1 to the clamp 2 of the control board M16 SC and the device 2 to the clamp 4 and 6 of the c
34. ne dell unit concordare con il cliente la posizione dove andr collocata ponendo attenzione ai punti seguenti The support surface must be capable of supporting the unit weight safety differences between the unit and other appliances or structures must be scrupulously respected so that the inlet and outlet air from the fans is free to circu late Theunit must be installed by an enabled technician in compliance with the national legislation in force in the country of desti nation respecting the minimum technical spaces in order to allow maintenance 5 1 MINIMUM TECHNICAL EXAMPLE 1 OF THE LIFTING Size 0280 0700 Insert pipes NOT SUPPLIED in holes on the base with length such to allow positioning of the belts used for lifting To prevent the unit structure being damaged by the belts place protections between the latter and the machine It is prohibited to stop under the unit NOTE The appliance warranty does not cover the costs for lad ders scaffolding or other elevation systems that may become necessary for carrying out servicing under warranty ATTENTION L unit viene fornita fissata su di un pallet per la movimentazione con carri elevatori e cinghie preve dere dei pali NON FORNITI 10 6 POSI
35. ontrol board M1 SE2 EXTERNAL ALARM EA To prepare an external alarm device connect the device contact to the clamp 1 and 2 of the control board M17 CONNECTION PR3 STANDARD Connect the remote panel PR3 to the control board M7 SC as shown below remember that the maximum allowed distance is 50 m THE PR3 CONNECTED MUST BE ENABLED AS WELL See next procedure 32 NRL 0280 0750 60Hz JE gun 2 J N CONNECTION REMOTE PANEL PR3 ENABLING REMOTE PANEL PR3 COMANDO A DISTANZA To enable the remote panel PR3 REMOTE CONTROL act on the L R key on the small panel of the M7 SC GR3 on the machine as shown in the figure 654321 above when the LED next to the letter R Remote lights up the machine function will be enabled by the remote panel JUL PNE IINE E s i dg L an n m HHH 0 x PR 2 11 14 5641200 01 NRL 0280 0750 60Hz SEASON CHANGEOVER For each seasonal change check that the operation conditions return to the limit Check that the absorption current of the compressor is less than the maximum indicated in the technical data table Check in the models with three phase supply power that the noise level of the compressor is not abnormal in this case invert a phase Ma
36. s During the normal operation of the unit the main screen is displayed from which it is possible to access the selection of the other operating menus The menus are displayed through the rotation of the icons that they represent Once the desired icon is selected the chosen menu is en de tered permitting the display or modification of the parameters that it is made up from The procedure for navigating the menus or chang ing parameters is explained in detail in the chapter User operating T C B 4 T procedures y a The adjacent drawing shows the relation between the various menus and the navigation keys used C y y r 7 s WARNING Improper selection of the parameters the Installer A menu cause malfunctions of the unit It is recommended that these parameters are only modified by personnel qualified in the installation and configuration of the unit y N Q 7 MM Index Icon Menu Menu function MAIN The screens in this menu display the current conditions of the unit unit status setpoints circuit data etc a IN OUT This menu contains advanced information on the unit operation Ze C ON OFF This menu permits the unit to be enabled or disabled and provides information on the status 5 5 This menu permits the selection of the operating modes the water setpoints and the time clock for the
37. uage can be set on the screen displayed at the start up or can be modified at Display on the unit Index Display Parameter AERMEC Wait please Installer Language English ENTER for change ESC to confirm Time show mask m 20 Remaining time for software loading this value shows the remain ing time to starting the software loaded on the unit and passing the to system language selection System language this parameter shows the current language set for the system To change the language follow the instructions shown on the screen Remaining time to select the language this value shows the remaining time to modify the language When the time elapses the display goes to the main screen Main screen General monitoring WARNING It is possible to modify the system language at any time using the appropriate screen contained in the Installer menu Menu password 0000 WARNING It is possible to modify the system language at any time using the appropriate screen contained in the Installer menu Menu password 0000 11 14 5641200 01 NRL 0280 0750 60Hz 15 MENU STRUCTURE AND NAVIGATION Both the functions to control the unit and the operating information The operating menus are arranged as in the following drawing are displayed on the unit mounted control panel All the functions and information are arranged in screens which in turn are grouped into menu
38. y qualified staff STANDARD UL 1995 Heating and cooling equipment ANSI NFPA Standard 70 National Electrical code N E C CSA C 22 1 C 22 2 Safety Standard Electrical Installation 2 CHECK LIST 1 DESCRIPTION AND CHOCE OF UNIT Chillers and heat pumps for outdoor condensed in the air with R410A Series NRL have been designed and manufactured to satisfy heating and cooling needs the production of domestic hot water DHW in medium to small commercial or residential buildings Maximum reliability The presence of several scroll compressors allows NRL chillers various partialisations of the cooling capacity Models 1 NRL standard chiller 2 NRL H heat pump 3 motocondensing Possibility of production of D H W DCPX UL VMF ACS AER COMPONENTS VERSIONS COOLING CIRCUIT o H C D T THERMOSTATIC VALVE X Y CONFIGURATION OPTION yes no no no EXCHANGER PLATE EVAPORATOR yes yes yes EXCHANGER PLATE TOTAL RECOVERY no no no no yes EXCHANGER PLATE DESUPERHEATER no no no yes no AIR SIDE EXCHANGE yes yes yes yes yes COMPRESSOR yes yes yes yes yes DEHYDRATOR FILTER yes yes yes yes yes HIGH PRESSURE SWITCH yes yes yes yes yes LOW PRESSURE SWITCH no no no no no HIGH PRESSURE TRANSDUCER yes yes yes yes yes LOW PRESSURE TRANSDUCER yes yes yes yes yes LIQUID INDICATOR yes yes yes yes yes LIQUID TANK no yes no no yes ONE WAY VALVES no yes no no yes

NRL 280-750 Installation manual

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