TECHNICAL MANUAL CHILLER REVERSIBLE HEAT PUMP NRL …

1 60Hz TECHNICAL MANUAL . CHILLER . NRL 280-750. REVERSIBLE heat PUMP. EXTERNAL UNIT. high efficency . HOT water producing UP TO 131 F / 55 C. POWER SUPPLY 60Hz EN. 13_01. 5641300_00. EN. 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.

2 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 AERMEC 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. Aermec 13_01. 5641300_00 3. EN. NRL 0280-0750 60Hz INDEX. 1. Descrip on and choce of 2. Check list ..6. 3. Configurator ..7. 4. Cooling circuit ..8. NRL cooling circuit only cooling .. 8. NRL cooling circuit heat 9. 5. Descrip on of components ..10. CHILLER circuit .. 10. Frame and fans .. 10.

3 Hydraulic circuit standard components .. 10. Hydraulic components for configurable 10. Safety and control components .. 10. Electrical panel control and power .. 10. 6. Accessories ..12. Mechanical 12. Electrical accesories .. 12. 7. TECHNICAL data ..14. TECHNICAL data version "A E" .. 14. 8. TECHNICAL data "HA HE" version ..17. 9. Opera on limit ..21. Cooling mode .. 21. Hea ng mode .. 21. Project data .. 21. 10. Correc ve Input power and cooling capacity "standard version"/ " heat pump version in cooling mode" .. 22. Hea ng capacity and input power .. 23. For t di erent to the nominal .. 23. Deposit factors .. 23. 11. Pressure drop ..24. System side total pressure drop only cooling version.

4 24. System side total pressure drop heat pump in cooling mode .. 24. System side total pressure drop heat pump in hea ng mode .. 24. 12. Useful heads ..25. 13. Ethylene glycol solu ons ..29. 14. Expansion tank calibra on ..30. 15. Minimum water content ..30. 16. Part load ..31. 17. Sound data ..32. 18. Control and safety parameters calibra Thermomagne c .. 34. 4 Aermec 13_01. 5641300_00. EN. NRL 0280-0750 60Hz Aermec 13_01. 5641300_00 5. EN. NRL 0280-0750 60Hz 1. DESCRIPTION AND CHOCE OF UNIT. Standards and Directives respected on designing and constructing the unit: Chillers and heat pumps for outdoor condensed in the The versions can be in different set-ups at the same air with R410A Series NRL have been designed and time in order to satisfy a wide range of plant enginee- manufactured to satisfy heating and cooling needs ring solutions: PROTECTION RATING and the production of domestic hot water (DHW) in 1.

5 IP 24 medium to small commercial or residential buildings. 1. "A" high EFFICIENCY. 2. "E" SILENCED high EFFICIENCY. ACOUSTIC PART: Maximum reliability 3. "D" WITH DESUPERHEATER. 1. ISO DIS 9614/2 The presence of several scroll compressors allows NRL 4. "T" WITH TOTAL RECOVERY. INTENSIMETRIC METHOD chillers various partialisations of the cooling capacity. 2. SOUND POWER EN ISO 9614 2 Configurations not allowed: 3. SOUND PRESSURE (EN ISO 3744) Models: YD / YT / YH. 1. NRL " " standard CHILLER HT / HC. REFRIGERANT GAS: 2. NRL "H" heat pump * TC / DC. This unit contains fluoride gases with 3. NRL "C" motocondensing greenhouse effect covered by the Kyoto Protocol. Maintenance and disposal must only be performed by qualified staff.

6 * Possibility of production of - only "I" version (fan speed modulating for condensation control). STANDARD: - VMF. UL 1995 - AER485. Heating and cooling equipment. ANSI/NFPA. Standard 70 National Electrical code ( ). CSA Safety Standard Electrical Installation. 2. CHECK LIST. COMPONENTS VERSIONS. COOLING CIRCUIT H C D T. THERMOSTATIC VALVE X Y CONFIGURATION OPTION yes yes no no no EXCHANGER PLATE EVAPORATOR yes yes no 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 LIQUID SEPARATOR no yes no no yes CYCLE REVERSE VALVE no yes no no yes 6 Aermec 13_01.

7 5641300_00. EN. NRL 0280-0750 60Hz 3. CONFIGURATOR. DESCRIPTION. 1,2,3 NRL. 4,5,6 SIZE. 028 - 030 - 033 - 035 - 050 - 055 - 060 - 065 - 070 - 075. 7 COMPRESSOR. 0. 8 THERMOSTATIC VALVE. Standard mechanical thermostatic valve with produced water up to 39,2 F / +4 C. Y Mechanical thermostatic valve with produced water from 39,2 F / +4 C to -42,8 F / -6 C. X Electronic thermostatic valve min. water out temp 39,2 F / +4 C, (contact the factory for lower temperatures). 9 MODELS. CHILLER only H heat pump C Without evaporator 10 HEATHING RECOVERY. Without Recovery D With Desuperheater (data on demand). T With Total heat Recovery (data on demand). 11 VERSION. A high efficiency (not available for size 028 035).

8 E high efficiency low noise (data on demand for size 050 075). 12 COILS. Alluminium R Copper S Copper tin plated V Epoxy coated 13 FANS. Standard I Fan speed modulating for condensation control 14 SUPPLY. 6 230/3/60 With magnet circuit breakers 7 460/3/60 With magnet circuit breakers 8 575/3/60 With magnet circuit breakers 15,16 HYDRONIC KIT. 00 Without hydronic kit 01 Tank and single low head pump 02 Tank and single low head pump and reserve pump 03 Tank and single high head pump 04 Tank and single high head pump and reserve pump P1 Single low head pump P2 Single low head pump and reserve pump P3 Single high head pump P4 Single high head pump and reserve pump Configura ons NOT permi ed: YD / YT / YH.

9 HT / HC. TC / DC /. Ven la on "I" mandatory sizes from 050 to 075 (units cooling only and heat pump). Aermec 13_01. 5641300_00 7. EN. NRL 0280-0750 60Hz 4. COOLING CIRCUIT. NRL COOLING CIRCUIT ONLY COOLING. CN CN. HPT F F HPT. HPS HPS. IDL IDL. CP TEV TEV CP. LPT LPT. BHE. KEY. BHE EXCHANGER PLATE. CN AIR SIDE EXCHANGE. CP COMPRESSOR. F DEHYDRATOR FILTER. HPS high PRESSURE SWITCH. HPT high PRESSURE TRANSDUCER. IDL LIQUID INDICATOR. LPT LOW PRESSURE TRANSDUCER. 8 Aermec 13_01. 5641300_00. EN. NRL 0280-0750 60Hz NRL COOLING CIRCUIT heat PUMP. CN CN. CV CV CV CV. AL AL. VIC VIC. F F. HPT HPT. HPS HPS. IDL IDL. CP CP. TEV TEV. LPT LS LS LPT. BHE. CV CV. CV CV. KEY. AL LIQUID TANK.

10 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. Aermec 13_01. 5641300_00 9. EN. NRL 0280-0750 60Hz 5. DESCRIPTION OF COMPONENTS. CHILLER CIRCUIT SOLENOID VALVE HYDRAULIC COMPONENTS FOR CONFI. The valve closes when the compressor turns off, GURABLE VERSIONS. SCROLL COMPRESSORS preventing the flow of refrigerant gas towards the high efficiency scroll-type hermetic compressors, evaporator. CIRCULATION PUMP. assembled on elastic antivibration supports, high /LOW PUMP. driven by a 2-pole electric motor with internal INDICATOR FOR LIQUID PASSAGE WITH HU Depending on the characteristics of the pump thermal protection.