AERMEC NRP 0280 User Manual

3Aermec cod. 5806715_00 12.01
NRP 0200-0750
EN
1. descrip on of the unit ..................................................................6
1.1. For 2-pipe systems ............................................................................ 6
1.2. For 4-pipe systems ............................................................................ 6
2. Confi gurator .................................................................................7
3. Basic opera ng layouts for 2-pipe system .....................................8
3.1. Cold water produc on only to system .............................................. 8
3.2. Hot water produc on only to system ............................................... 8
3.3. 2 circuits to produce hot water only to DHW ................................... 9
3.4. 2 circuits to produce cold water to system and hot water to DHW .. 9
3.5. Circuit for producing hot water
to system | circuit for producing hot water to DHW ...................... 10
4. Basic opera ng layouts for 4-pipe system ...................................10
4.1. Cold water produc on only to system ............................................ 10
4.2. Hot water produc on only to system ............................................. 11
4.3. Simultaneous hot and cold water produc on to system ................ 11
5. Descrip on of components .........................................................12
5.1. Cooling circuit ................................................................................. 12
5.2. Structure and fans ........................................................................... 12
5.3. Standard hydraulic circuit ............................................................... 13
5.4. Safety and control components ...................................................... 13
5.5. Electric control and power board.................................................... 13
6. Accessories .................................................................................14
6.1. Mechanical accessories ................................................................... 14
6.2. Electric accessories ......................................................................... 14
7. Technical data .............................................................................15
8. Opera onal limits .......................................................................18
8.1. Cooling mode .................................................................................. 18
8.2. Hea ng mode ................................................................................. 18
9. Correc ve factors for data diff erent than nominal in cooling mode 19
9.1. Yields and absorp on diff erent than nominal................................. 19
10. Correc ve factors for data diff erent than nominal in hea ng mode 20
11. Correc ve coeffi cients of recovered hea ng capacity ..................20
12. TOTAL PRESSURE DROPS 2|4 PIPE units ......................................21
12.1. System side cold water produc on (2 pipes) .................................. 21
12.2. In func oning mode with dhw side recovery (2 pipes) |
hot water produc on system side (4 pipes) .................................... 21
12.3. Hot water produc on system inside (2 pipes) ................................ 21
13. Useful sta c pressures 2|4-pipe system ......................................22
13.1. Low sta c pressure pumps in cooling mode (system side) ............. 22
13.3. Low sta c pressure pumps dhw side (2 pipes) |
hea ng side (4 pipes) ..................................................................... 22
13.4. High sta c pressure pumps dhw side (2 pipes) |
hea ng side (4 pipes) ..................................................................... 22
13.2. High sta c pressure pumps
in cooling mode (system side) ......................................................... 22
14. Ethylene glycol solu ons .............................................................23
14.1. How to interpret glycol curves ........................................................ 23
15. Expansion vessel calibra on........................................................24
16. Minimum water content .............................................................24
17. Par
alisa ons .............................................................................25
18. Sound data .................................................................................26
19. Calibra ons of safety and control parameters .............................27
20. General warnings ........................................................................28
20.1. Preserva on of the documenta on ................................................ 28
20.2. Installa on ...................................................................................... 28
20.3. Warranty ......................................................................................... 28
20.4. Warnings regarding safety and installa on standards ................... 28
21. Product iden fi ca on .................................................................28
22. Receipt of the product and installa on .......................................29
22.1. Receipt and handling ...................................................................... 29
22.2. Handling the machine: .................................................................... 29
22.3. Selec on and place of installa on ................................................. 29
23. Dimensions .................................................................................30
23.1. NRP0200 ÷ 0280 ............................................................................. 30
23.2. NRP0300  0330  0350 ................................................................... 32
23.3. NRP 0500  0550  0600  0650 ....................................................... 34
23.4. NRP 0700 ........................................................................................ 36
23.5. NRP 0750 ........................................................................................ 37
24. Posi on of hydraulic connec ons ................................................39
25. Basic 2-pipe system hydraulic circuits ..........................................40
25.1. Circuito idraulico interno ed esterno ad NRP “°” (standard) .......... 40
25.2. Internal and external hydraulic circuit to NRP “01…08”
(with system storage tank only) ...................................................... 41
25.3. Internal and external hydraulic circuit to NRP “P1…P4  R1…R4”
(with pumps on system side and dhw side) .................................... 42
26. Basic 4-pipe system hydraulic circuits ..........................................43
26.1. Internal and external hydraulic circuit to NRP “°” (standard) ......... 43
26.2. Internal and external hydraulic circuit to NRP “01…08”
(with cooling system side storage tank only) ................................. 44
26.3. Internal and external hydraulic circuit to NRP “P1…P4  R1…R4”
(with pumps on cooling and hea ng side) ..................................... 45
26.4. Loading system................................................................................ 46
26.5. Discharging system ......................................................................... 46
27. Collegamen ele rici ..................................................................47
27.1. Electric data table ........................................................................... 47
27.2. Prepara on for commissioning ....................................................... 48
27.3. Start - up ........................................................................................ 48
27.4. Machine commissioning ................................................................. 48
28. Electric power connec on to the electrical mains .......................48
29. Control and commissioning .........................................................48
30. Func oning features ...................................................................49
30.1. Set point in cooling mode ............................................................... 49
30.2. Set point in hea ng mode ............................................................... 49
30.3. Compressor start-up delay .............................................................. 49
30.4. Circula on pumps (not supplied) .................................................... 49
30.5. An -freeze alarm ............................................................................ 49
30.6. Water fl ow rate alarm ..................................................................... 49
31. Switch-on and use of unit ...........................................................50
31.1. Menu structure ............................................................................... 50
32. Accessory connec ons ................................................................51

AERMEC NRP 0280 Specifications

General

Brand	AERMEC
Model	NRP 0280
Category	Heat Pump
Language	English