Danfoss Electronics spa
Air Handling
seq.- user manual
DKRCC.PS.RI.A1.02 / 520H4358 - Air Handling Seq. user manual - V 2.2
Produced by Danfoss Electronics spa Graphic Department, 10-2009
71
Figure index
Fig 1_
[User interface - LED display]
6
Fig 2 _
[User interface - LCD display]
7
Fig 3 _
[Menu-based navigation - Displaying the input&output values]
10
Fig 4 _
[Configuriong the AHU software- AHU software]
13
Fig 5 _
[Coils control - Heat and cool sequeces for coil]
17
Fig 6 _
[Coils control - example heat sequence]
18
Fig 7 _
[Coils control - ON/OFF and 0/10V valve control]
19
Fig 8 _
[Coils control - Linear step control]
21
Fig 9 _
[Coils control - Variabile step control]
23
Fig 10 _
[Coils control - Bianry step control]
23
Fig 11 _
[Coils control - Locking sequences]
24
Fig 12 _
[Coils control - Pumps winter start]
25
Fig 13 _
[Coils control - Comparison between probe HC1 and Setpoint HC2]
26
Fig 14 _
[Coils control - Digital output Defrost]
27
Fig 15 _
[Dampers and Energy recovery control - Dampers and Energy recovery control ]
28
Fig 16 _
[Dampers and Energy recovery control - ON/OFF dampers ]
29
Fig 17 _
[Dampers and Energy recovery control - 0/10V dampers]
29
Fig 18 _
[Dampers and Energy recovery control - Energy recovery]
30
Fig 19_
[Temperature control sequences - Damper control sequences]
32
Fig 20_
[Temperature control sequences - Heat sequence 1]
34
Fig 21_
[Temperature control sequences - Heat sequence 2]
34
Fig 22_
[Temperature control sequences - Cool sequence]
34
Fig 23_
[Temperature control sequences - Connection of setpoint sequences]
35
Fig 24_
[Temperature control sequences - Setpoint of Freecool sequence connected to the freeheat Sequence] 35
Fig 25_
[Temperature control sequences - Temperature compensation]
37
Fig 26_
[Cascade Control - RET Return Temperature]
38
Fig 27_
[Cascade Control - SUP Supply Temperature]
38
Fig 28_
[Examples - Example 1]
39
Fig 29_
[Examples - Preheating coil]
39
Fig 30_
[Examples - Reheating coil]
40
Fig 31_
[Examples - Example 2]
40
Fig 32_
[Examples - RET Return Temperature]
41
Fig 33_
[Examples - SUP Supply Temperature]
41
Fig 34_
[Frost protection - Frost Protection]
42
Fig 35_
[Controlling the supply temperature li- Operation in cooling mode]
43
Fig 36_
[Controlling the supply temperature li- Operation in dehumidification mode]
43
Fig 37_
[Controlling the supply temperature li- Supply temperature upper limit]
44
Fig 38_
[Humidity control - Humidity control]
45
Fig 39_
[Humidity control - Control sequences]
46
Fig 40_
[Humidity control - Humidifier control]
46
Fig 41_
[Humidity control - Dehumidifier control]
47
Fig 42_
[Humidity control - Cooling coil in dehumidification 1]
48
Fig 43_
[Humidity control - Cooling coil in dehumidification 2]
48
Fig 44_
[Humidity control - Cooling coil in dehumidification 3]
49
Fig 45_
[Humidity control - Cooling coil in dehumidification 4]
49
Fig 46_
[Humidity control - Upper limit]
50
Fig 47_
[Humidity control - Lower limit]
50
Fig 48_
[Supply and return fans - Type of supply fans]
52
Fig 49_
[Supply and return fans - Fan speed configuration]
53
Fig 50_
[Air quality control - Air quality control]
55
