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TECNAIR LV C Series
TechLine TECNAIR LV C Series User Manual
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Manual code 75803707
A.0708
Page 37 of 64
7.1.4
DIRECT EXPANSION AIR CONDITIONERS
•
AIR CONDITIONER WITH A SINGLE COMPRESSOR
•
AIR CONDITIONER WITH TWO COMPRESSORS
7.1.5
CHILLED WATER AIR CONDITIONER
7.1.6
HEATING WATER COILS
36
38
Table of Contents
Default Chapter
3
Table of Contents
3
1 How to Use this Manual
5
Important Warnings
5
2 Warranty
6
3 Description of the Unit
7
Unit Code
7
O / over (Upflow Discharge)
8
U / under (Downflow Discharge)
8
Operating Limits
9
4 Installation Procedure
10
Transportation
10
Receiving the Machines on Site
11
Positioning the Unit and Installation Clearances
12
Plenums and Plinths
13
Installation of Plenums and Duct Sections
14
Installation of the Adjustable Plinths
14
Cea Air-Cooled Condensers
15
Water Connections
17
Condensate Drain and Siphons
17
Water-Cooled Condensers
18
Pressure Controlled Valve
18
Water Coils
19
Internal Immersed Electrode Humidifier
20
Refrigerant Circuit Connections
21
Discharge or Hot Gas Line
21
Liquid or Return Line
21
Non-Return Valves on Discharge and Return Lines
21
Solenoid Valve on the Liquid Line
22
Very Low External Temperature Kit
23
Routing of the Refrigerant Circuit Pipes
24
Diameters of Refrigerant Circuit Connection Pipes
25
Completion of the Refrigerant Charge
26
Pressure Regulator of Cea Condensers
28
Electrical Connections
29
Installation of the Remote Control Interface
30
Installation of the Remote Control Terminal at a Distance of over 50 M
31
5 Checks and First Startup
32
6 Deactivation, Disassembly and Scrapping
35
7 Use of the Air Conditioning Unit
36
Temperature Control
36
Proportional Control
36
Proportional + Integral Control
36
Proportional + Integral + Derivative Control
36
Direct Expansion Air Conditioners
37
Chilled Water Air Conditioner
37
Heating Water Coils
37
Cooling Capacity Control with Hot Gas Injection Valve
38
Cooling Capacity Control with Hot Gas Injection Valve and Electronic Expansion Valve
38
Supply Air Temperature Control (Limit)
39
Μac MICROPROCESSOR
39
Pco MICROPROCESSOR CONTROL
39
Humidity Control
40
Direct Expansion Air Conditioners
40
Chilled Water Air Conditioner
41
Simultaneous Humidification and Cooling
41
Dehumidification Lock
41
8 Ventilation
42
Fans with 5-Speed Auto-Transformer
42
FANS with 0-10 V MODULATING CONTROL (Pco)
42
Constant Flow Rate Control
42
Control with Constant Pressure in the Underfloor or Supply Duct
42
Control of Air Flow Rate According to Cooling Capacity
43
9 FREE COOLING and TWIN SOURCES (Pco)
44
Water Free Cooling
44
Free Cooling Control
44
Direct Expansion Twin Sources
45
Direct Expansion - Water Twin Sources(Oca
45
Water - Direct Expansion Twin Sources(Oca
45
Water Chilled Twin Sources
46
Water - Water Twin Sources(Ocu
46
10 Local Network
47
Master - Slave Local Network
47
CASCADE LOCAL NETWORK(Pco)
47
Critical Situations
47
Emergency Operation
47
11 Routine and Major Maintenance
48
Programmed Maintenance Chart
48
Maintenance of the Fans
50
Refrigeration Circuit Checks
50
Maintenance of the Electrical Battery
50
Maintenance of the Electrical Panel
50
Maintenance of the Air Filters
50
Maintenance of Cea Air-Cooled Condensers
51
12 Fault Diagnosis
52
Direct Expansion Air Conditioners - Refrigeration Circuit Problems
53
Chilled Water Air Conditioner - Water Circuit Problems
55
Heating Section Problems
56
Dehumidification Problems
57
Ventilation Problems
59
13 Glossary
60
14 Notes
61
4
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TechLine TECNAIR LV C Series Specifications
General
Brand
TechLine
Model
TECNAIR LV C Series
Category
Air Conditioner
Language
English
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