3
Aermec cod. INRLFTY.1409.4086994_01
NRL FC 800-1800 60Hz
GB
KEY:
1.
DESCRIPTION AND CHOCE OF UNIT .................................................................................................. 4
2.
CHECK LIST .......................................................................................................................................... 5
3.
PRINCIPLE OF OPERATION SCHEMES ................................................................................................ 6
3.1.
PRODUCTION OF COLD WATER ONLY THE SYSTEM ......................................................................... 6
3.2.
COLD WATER PRODUCTION AND THE SYSTEM RECOVERY (DESUPERHEATER)
............................. 7
4.
OPERATING LIMITS.............................................................................................................................. 8
4.1.
DESIGN SPECIFICATIONS .................................................................................................................... 8
5.
SELECTION AND PLACE OF INSTALLATION ........................................................................................ 9
5.1. POSITIONING ....................................................................................................................................... 9
5.2.
MINIMUM TECHNICAL SPACES ......................................................................................................... 9
6. DIMENSIONS...................................................................................................................................... 10
6.1.
NRL 800 - 900 - 1000 F
........................................................................................................................ 10
6.3.
NRL 1650 - 1800 F
.............................................................................................................................. 10
6.2.
NRL 1200 - 1400 - 1500 F
.................................................................................................................... 10
7.
ANTIVIBRATION POSITIONING......................................................................................................... 11
7.1.
NRL 800 - 900 - 1000 F
....................................................................................................................... 11
7.2.
NRL 1200 - 1400 - 1500 F
.................................................................................................................... 11
7.3.
NRL 1650 - 1800 F
.............................................................................................................................. 12
8.
HYDRAULIC CONNECTION ................................................................................................................ 12
8.1.
NRL 800 - 900 HA
............................................................................................................................... 12
8.2.
NRL 1200 - 1400 - 1500 F
.................................................................................................................... 13
8.3.
NRL 1200 - 1400 - 1500 F
.................................................................................................................... 13
8.4.
HYDRAULIC CIRCUIT (VERSIONS P3-P4)
.......................................................................................... 16
8.5.
HYDRAULIC CIRCUIT (VERSIONS 03-04)
........................................................................................... 17
8.6.
SYSTEM LOAD ................................................................................................................................... 18
8.7.
EMPTYING THE SYSTEM ................................................................................................................... 18
9.
ELECTRICAL WIRINGS ....................................................................................................................... 19
9.1.
RECOMMENDED SECTION OF ELECTRIC CABLES ........................................................................... 19
9.2.
CONNECTION TO THE POWER SUPPLY ............................................................................................ 20
9.3.
TO ACCESS THE ELECTRIC BOX: ...................................................................................................... 20
9.4.
ELECTRICAL POWER CONNECTION .................................................................................................. 20
9.5.
AUXILIARY CONNECTIONS AT THE USER/INSTALLER EXPENSE ..................................................... 20
9.6.
AUXILIARY SWITCH (IAD)
.................................................................................................................. 20
9.7.
PUMP CONTACTOR (CP01 - CP02)
.................................................................................................... 20
9.8.
EXTERNAL ALARM (EA)
..................................................................................................................... 20
9.9.
CONNECTION PR3 ............................................................................................................................ 20
10.
CONTROL AND FIRST START-UP
....................................................................................................... 21
10.1.
PREPARATION FOR COMMISSIONING ............................................................................................. 21
10.2.
FIRST COMMISSIONING OF THE MACHINE..................................................................................... 21
10.3.
SEASON CHANGEOVER ..................................................................................................................... 21
10.3.1. SEASON CHANGE OF THE PANEL ON THE MACHINE ...................................................................... 21
10.3.2. SEASON CHANGE OF PR3.................................................................................................................. 21
11.
FUNCTIONING CHARACTERISTICS ................................................................................................... 22
11.1.
COOLING SET POINT ......................................................................................................................... 22
11.2.
COMPRESSOR START DELAY ............................................................................................................. 22
11.3.
CIRCULATION PUMP ......................................................................................................................... 22
11.4.
ANTI-FREEZE ALARM
......................................................................................................................... 22
11.5.
WATER FLOW RATE ALARM .............................................................................................................. 22
12.
REGULAR MAINTENANCE ................................................................................................................. 22
12.1.
HYDRAULIC CIRCUIT.......................................................................................................................... 22
12.2.
ELECTRIC CIRCUIT ............................................................................................................................. 22
12.3.
CHILLER CIRCUIT ............................................................................................................................... 22
12.4.
MECHANICAL CONTROLS ................................................................................................................. 22
13.
EXTRAORDINARY MAINTENANCE .................................................................................................... 23
13.1.
LOADING PROCEDURE ...................................................................................................................... 23