AERMEC NRL 2250 Manuals

Manuals and User Guides for AERMEC NRL 2250. We have 1 AERMEC NRL 2250 manual available for free PDF download: Technical Manual

AERMEC NRL 2250 Technical Manual

AERMEC NRL 2250 Technical Manual (40 pages)

NRL FREE-COOLING

Brand: AERMEC | Category: Chiller | Size: 2 MB

Table of Contents

Table of Contents
4
Conformity Declaration
5
General Warnings
6
Conserving the Documentation
6
Safety Precautions and Installation
6
Product Identification
6
Description and Choice of the Unit
7
Versions Available
7
Configurator
8
Chiller Circuit
9
Frame and Fans
9
Hydraulic Components
9
Safety and Control Components
9
Electrical Components
9
Accessories
10
Technical Data
11
Chiller Function Technical Data
11
Sound Data
12
Sound Power
12
Free Cooling Function Technical Data
13
Technical Data Desuperheater
14
Operating Limits
15
Cooling Mode
15
Design Specifications
15
Correction Factors
15
Input Power and Cooling Capacity "High Efficiency Version
15
For ∆T Different from the Rated Value
16
Fouling Factors
16
Total Pressure Drops
16
Useful Heads
17
Glycol
18
How to Read the Glycol Curves
18
Expansion Tank Calibration
19
Minimum Water Content
19
Desuperheater
20
Pressure Drops
20
Desuperheater Pressure Drop of Hydraulic Circuit 2
21
Sound Data
21
Control and Safety Parameters Calibration
21
For the Installer
24
Selection and Place of Installation
24
Positioning
24
MINIMUM TECHNICAL SPACES (MM)
24
Dimensional Tables
25
Maximum Dimensions (All Versions)
25
Hydraulic Connections - Standard (00)
26
Hydraulic Connections with Pumps (P3-P4)
27
Hydraulic Connections with Storage Tank and Pumps (03-04)
28
Posizion Avx and Percentage Weight Distribution (Nrl 2000)
29
Center of Gravity
29
Posizion Avx and Percentage Weight Distribution (Nrl 2250)
30
Posizion Avx and Percentage Weight Distribution
30
(Nrl 2500 - 2800 - 3000)
31
Posizion Avx and Percentage Weight Distribution
31
(Nrl 3300 - 3600)
32
Hydraulic Circuit
33
External Hydraulic Circuit Recommended
33
System Load
33
Emptying the System
33
Electrical Wirings
35
Recommended Section of Electric Cables
35
Connection to the Power Supply
36
Electrical Power Connection
36
Auxiliary Connections at the User/Installer Expense
36
Control and First Start-Up
37
Preparation for Commissioning
37
First Commissioning of the Machine
37
Season Changeover
37
Functioning Characteristics
38
Cooling Set Point
38
Heating Set Point
38
Compressor Start Delay
38
Circulation Pump
38
Anti-Freeze Alarm
38
Water Flow Rate Alarm
38
Regular Maintenance
38
Extraordinary Maintenance
38

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