Contents
1 Notes on documentation. . . . . . . . . . 4
1.1
Associated documents . . . . . . . . . . . . . . . . . 4
1.2
CE labelling . . . . . . . . . . . . . . . . . . . . . . . . . . 4
1.3
Retention of documents . . . . . . . . . . . . . . . . 4
1.4
Symbols used . . . . . . . . . . . . . . . . . . . . . . . . 4
2 Safety notes . . . . . . . . . . . . . . . . . . . . 4
3 Device description . . . . . . . . . . . . . . . 5
3.1
Functional description . . . . . . . . . . . . . . . . . 5
3.1.1 How it works . . . . . . . . . . . . . . . . . . . . . . . . . . 5
3.1.2 Controller. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
3.1.3 Bus mode (Comfort controller only) . . . . . . . . 5
3.1.4 Safety equipment . . . . . . . . . . . . . . . . . . . . . . 6
3.1.5 Condensation . . . . . . . . . . . . . . . . . . . . . . . . . 6
3.1.6 Filter mats . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
3.1.7 Door limit switch . . . . . . . . . . . . . . . . . . . . . . . 6
3.1.8 Additional interface X3 . . . . . . . . . . . . . . . . . . 7
3.2
Proper usage . . . . . . . . . . . . . . . . . . . . . . . . . 7
3.3
Scope of supply . . . . . . . . . . . . . . . . . . . . . . 7
4 Assembly and connection . . . . . . . . 7
4.1
Choosing an installation site . . . . . . . . . . . . 7
4.2
Assembly instructions . . . . . . . . . . . . . . . . . 7
4.2.1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
4.2.2 Layout of the electronic components
in the enclosure. . . . . . . . . . . . . . . . . . . . . . . . 8
4.3
Fitting the cooling unit . . . . . . . . . . . . . . . . . 8
4.3.1 Cutting out the enclosure . . . . . . . . . . . . . . . . 9
4.3.2 External mounting of the cooling unit . . . . . . . 9
4.3.3 Partial internal mounting of the cooling unit . . 9
4.3.4 Full internal mounting of the cooling unit . . . 11
4.4
Connecting the condensate drain . . . . . . . 11
4.5
Notes on electrical installation . . . . . . . . . 12
4.5.1 Connection data . . . . . . . . . . . . . . . . . . . . . . 12
4.5.2 Overvoltage protection and
supply line load . . . . . . . . . . . . . . . . . . . . . . . 12
4.5.3 Three-phase devices . . . . . . . . . . . . . . . . . . 12
4.5.4 Door limit switch . . . . . . . . . . . . . . . . . . . . . . 12
4.5.5 Notes on the flicker standard . . . . . . . . . . . . 12
4.5.6 Potential equalisation . . . . . . . . . . . . . . . . . . 13
4.6
Carrying out the electrical installation . . . 13
4.6.1 Bus connection
(only in conjunction with several units
with a Comfort controller) . . . . . . . . . . . . . . . 13
4.6.2 Installing the power supply . . . . . . . . . . . . . . 14
4.7
Finalising assembly . . . . . . . . . . . . . . . . . . 21
4.7.1 Installing the filter media . . . . . . . . . . . . . . . 21
4.7.2 Fitting the cooling unit. . . . . . . . . . . . . . . . . . 21
4.7.3 Setting the filter mat monitor
(only with Comfort controller) . . . . . . . . . . . . 21
Rittal cooling unit assembly instructions
5 Commissioning . . . . . . . . . . . . . . . . 21
6 Operation . . . . . . . . . . . . . . . . . . . . . 22
6.1
Control using the Basic controller . . . . . . 22
6.1.1 Properties . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
6.1.2 Operating and error display. . . . . . . . . . . . . .23
6.1.3 Test mode for the Basic controller . . . . . . . . .23
6.1.4 Setting the temperature . . . . . . . . . . . . . . . . .24
6.1.5 Resetting the Basic controller . . . . . . . . . . . .24
6.2
Control using the Comfort controller . . . . 24
6.2.1 Properties . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
6.2.2 Launching test mode . . . . . . . . . . . . . . . . . . .25
6.2.3 General information about programming. . . .25
6.2.4 Variable parameters. . . . . . . . . . . . . . . . . . . .26
6.2.5 Programming overview . . . . . . . . . . . . . . . . .27
6.2.6 Defining system messages
for evaluation . . . . . . . . . . . . . . . . . . . . . . . . .28
6.2.7 Setting the master/slave identifier . . . . . . . . .29
6.2.8 Evaluating system messages. . . . . . . . . . . . .29
6.2.9 Resetting the Comfort controller . . . . . . . . . .31
7 Inspection and servicing. . . . . . . . . 31
7.1
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
7.1.1 Compressed air cleaning
SK 3304.xxx/SK 3305.xxx . . . . . . . . . . . . . . .31
7.1.2 Compressed air cleaning SK 3328.xxx,
SK 3329.xxx, SK 3332.xxx . . . . . . . . . . . . . . .35
8 Storage and disposal. . . . . . . . . . . . 40
9 Technical specifications . . . . . . . . . 41
10 List of spare parts . . . . . . . . . . . . . . 44
11 Appendix:
Cut-out and hole sizes. . . . . . . . . . . 48
11.1 Dimensions for external mounting . . . . . . 48
11.2 Dimensions for partial internal
mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
11.3 Dimensions for full internal mounting . . . 50
GB
3