AERMEC NRP 0750

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AERMEC S.p.A. reserves the right to make any modifications considered necessary to improve its products at any moment and is not obliged to

add these modifications to machines that have already been fabricated, delivered or are under construction.

AERMEC S.p.A.

37040 Bevilacqua (VR) Italy–Via Roma, 996

Tel. (+39) 0442 633111

Telefax 0442 93730–(+39) 0442 93566

www .aermec. com - info @ aermec. com

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Default Chapter3
- Table of Contents3
1 Descrip on of the Unit6
- For 2-Pipe Systems6
- For 4-Pipe Systems6
2 Conﬁ Gurator7
3 Basic Opera Ng Layouts for 2-Pipe System8
- Cold Water Produc on Only to System8
- Hot Water Produc on Only to System8
- Circuits to Produce Hot Water Only to DHW9
- Circuits to Produce Cold Water to System and Hot Water to DHW9
- Circuit for Producing Hot Water to System | Circuit for Producing Hot Water to DHW10
4 Basic Opera Ng Layouts for 4-Pipe System10
- Cold Water Produc on Only to System10
- Hot Water Produc on Only to System11
- Simultaneous Hot and Cold Water Produc on to System11
5 Descrip on of Components12
- Cooling Circuit12
- Structure and Fans12
- Standard Hydraulic Circuit13
- Safety and Control Components13
- Electric Control and Power Board13
6 Accessories14
- Mechanical Accessories14
- Electric Accessories14
7 Technical Data15
8 Opera Onal Limits18
- Cooling Mode18
- Hea Ng Mode18
9 Correc Ve Factors for Data DIﬀ Erent than Nominal in Cooling Mode 19 9.1. Yields and Absorp on DIﬀ Erent than Nominal19
10 Correc Ve Factors for Data DIﬀ Erent than Nominal in Hea Ng Mode 20 11. Correc Ve Coeﬃ Cients of Recovered Hea Ng Capacity20
11 Correc Ve Coeﬃ Cients of Recovered Hea Ng Capacity21
12 TOTAL PRESSURE DROPS 2|4 PIPE Units21
- System Side Cold Water Produc on (2 Pipes)21
- In Func Oning Mode with Dhw Side Recovery (2 Pipes) | Hot Water Produc on System Side (4 Pipes)21
- Hot Water Produc on System Inside (2 Pipes)21
13 Useful Sta C Pressures 2|4-Pipe System22
- Low Sta C Pressure Pumps in Cooling Mode (System Side)22
- Low Sta C Pressure Pumps Dhw Side (2 Pipes) | Hea Ng Side (4 Pipes)22
- High Sta C Pressure Pumps Dhw Side (2 Pipes) | Hea Ng Side (4 Pipes)22
- High Sta C Pressure Pumps22
- In Cooling Mode System Side22
14 Ethylene Glycol Solu Ons23
- How to Interpret Glycol Curves23
15 Expansion Vessel Calibra on24
16 Minimum Water Content24
17 Par Alisa Ons25
18 Sound Data26
19 Calibra Ons of Safety and Control Parameters27
20 General Warnings28
- Preserva on of the Documenta on28
- Installa on28
- Warranty28
- Warnings Regarding Safety and Installa on Standards28
21 Product Iden Fi Ca on28
22 Receipt of the Product and Installa on29
- Receipt and Handling29
- Handling the Machine29
- Selec on and Place of Installa on29
23 Dimensions30
- Nrp0200 ÷ 028030
- Nrp0300 0330 035032
- Nrp 0500 0550 0600 065034
- Nrp 070036
- Nrp 075037
24 Posi on of Hydraulic Connec Ons39
25 Basic 2-Pipe System Hydraulic Circuits40
- CIRCUITO IDRAULICO INTERNO ED ESTERNO AD NRP "°" Standard40
- Internal and External Hydraulic Circuit to NRP "0141
- Internal and External Hydraulic Circuit to NRP "P142
26 Basic 4-Pipe System Hydraulic Circuits43
- INTERNAL and EXTERNAL HYDRAULIC CIRCUIT to NRP "°" Standard43
- Internal and External Hydraulic Circuit to NRP "0144
- Internal and External Hydraulic Circuit to NRP "P145
- Loading System46
- Discharging System46
27 Collegamen Ele Rici47
- Electric Data Table47
- Prepara on for Commissioning48
- Start up48
- Machine Commissioning48
28 Electric Power Connec on to the Electrical Mains48
29 Control and Commissioning48
30 Func Oning Features49
- Set Point in Cooling Mode49
- Set Point in Hea Ng Mode49
- Compressor Start-Up Delay49
- Circula on Pumps (Not Supplied)49
- An -Freeze Alarm49
- Water Fl Ow Rate Alarm49
31 Switch-On and Use of Unit50
- Menu Structure50
32 Accessory Connec Ons51

AERMEC NRP 0750 - Page 52

Table of Contents

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