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Danfoss MCX08M User Manual
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DKRCC.PS.RI.A1.02 / 520H4358 - Air Handling Seq. user manual -
V 2.2
Produced b
y Danfoss Electronics spa Graphic Department, 10-2009
34
Danfoss Electronics spa
Air Handling seq.
- user manual
Fig 20_ [Temperature c
ontrol sequences - Heat sequence 1]
Fig 21_ [Temperature c
ontrol sequences - Heat sequence 2]
Fig 22_ [Temperature c
ontrol sequences - Cool sequence]
Note
* the previous gures are
displayed positive values of the
oset.
33
35
Table of Contents
Default Chapter
2
Table of Contents
2
Introduction
4
1 | Introduction
5
User Interface
5
2 | User Interface
6
Main Screen
6
LCD Display
7
Menu-Based Navigation
8
Displaying and Managing Alarms
9
Parameters
10
Utilities
11
Configuring the AHU Software
13
3 | Configuring the AHU Software
14
Input/Output Configuration
14
Coils Control
17
4 | Coils Control
18
Coil Output Management
18
Valve Control
19
Point Valve Control
20
Step Control
21
Variable Step Switch
22
Binary Step Switch
23
Locking Sequences
24
Pumps Control
25
Single Heat/Cool Coils
26
Cooling Coil Defrost Control
27
Dampers and Energy Recovery Control
28
5 | Dampers and Energy Recovery Control
29
ON/OFF Dampers
29
Energy Recovery
30
Temperature Control Sequences
31
6 | Temperature Control Sequences
32
Freecooling/Freeheating Selection
32
Heat and Cool Control Sequences
33
Connection of Setpoint Sequences
35
Main Setpoint
36
Local Setpoint
37
Cascade Control
38
Examples
39
7 | Cascade Control
39
8 | Examples
40
Example 2
40
Frost Protection
42
9 | Frost Protection
43
Controlling the Supply Temperature Limits
43
Supply Temperature Upper Limit
44
Umidity Control
45
Control Sequences
46
Dehumidifier Control
47
Cooling Coil in Dehumidification
48
Controlling the Supply Humidity Limits
49
Upper Limit
50
Supply and Return Fans
51
Fan Speed Configuration
53
Fans and Antifreeze
54
Air Quality Control
55
14 | Alarms
56
Alarms
56
Parameters
59
Modbus Communication
60
APPENDIX – Use of the Configurator
67
Alarms
68
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Danfoss MCX08M Specifications
General
Brand
Danfoss
Model
MCX08M
Category
Controller
Language
English
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