2
Rittal air/water heat exchanger assembly instructions
EN
Contents
1 Notes on documentation. . . . . . . . . . 3
1.1
Associated documents . . . . . . . . . . . . . . . . 3
1.2
CE labelling . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.3
Retention of documents . . . . . . . . . . . . . . . 3
1.4
Symbols used. . . . . . . . . . . . . . . . . . . . . . . . 3
2 Safety notes . . . . . . . . . . . . . . . . . . . . 3
3 Device description . . . . . . . . . . . . . . . 4
3.1
Functional description . . . . . . . . . . . . . . . . 4
3.1.1
How it works. . . . . . . . . . . . . . . . . . . . . . . . . . 4
3.1.2
Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
3.1.3
Bus mode
(e-Comfort controller only) . . . . . . . . . . . . . . . 4
3.1.4
Safety equipment . . . . . . . . . . . . . . . . . . . . . . 5
3.1.5
Condensation. . . . . . . . . . . . . . . . . . . . . . . . . 5
3.1.6
Leak detection
(e-Comfort controller only) . . . . . . . . . . . . . . . 5
3.1.7
Door limit switch
(e-Comfort controller only) . . . . . . . . . . . . . . . 5
3.1.8
Additional interface X3
(e-Comfort controller only) . . . . . . . . . . . . . . . 5
3.2
Proper use . . . . . . . . . . . . . . . . . . . . . . . . . . 5
3.3
Scope of supply . . . . . . . . . . . . . . . . . . . . . . 5
4 Assembly and connection . . . . . . . . 6
4.1
Choosing the installation site . . . . . . . . . . . 6
4.2
Assembly instructions . . . . . . . . . . . . . . . . 6
4.2.1
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
4.2.2
Layout of the components in the enclosure. . 6
4.3
Assembling the air/water
heat exchanger. . . . . . . . . . . . . . . . . . . . . . . 7
4.3.1
Preparing the mounting cut-out . . . . . . . . . . . 7
4.3.2
Assembling the air/water heat exchanger . . . 7
4.4
Connecting the condensate discharge . . . 9
4.5
Connecting the water connection . . . . . . . 9
4.5.1
Notes on water quality . . . . . . . . . . . . . . . . . 10
4.5.2
Preparation and maintenance of the water
in recooling systems . . . . . . . . . . . . . . . . . . 10
4.6
Notes on electrical installation . . . . . . . . . 11
4.6.1
Connection data . . . . . . . . . . . . . . . . . . . . . 11
4.6.2
Overvoltage protection
and supply line load . . . . . . . . . . . . . . . . . . 11
4.6.3
Door limit switch
(e-Comfort controller only) . . . . . . . . . . . . . . 11
4.6.4
Potential equalisation . . . . . . . . . . . . . . . . . . 11
4.6.5
Installing the power supply . . . . . . . . . . . . . 11
5 Commissioning . . . . . . . . . . . . . . . . 13
6 Operation . . . . . . . . . . . . . . . . . . . . . 13
6.1
Control using the Basic controller . . . . . 13
6.1.1
Display and system analysis. . . . . . . . . . . . 13
6.1.2
Properties . . . . . . . . . . . . . . . . . . . . . . . . . . 13
6.1.3
General programming information . . . . . . . 13
6.1.4
Operation of the Basic controller . . . . . . . . 13
6.1.5
Setting the temperature. . . . . . . . . . . . . . . . 13
6.1.6
Setting of system messages . . . . . . . . . . . . 14
6.1.7
Programming and control
of the Basic controller . . . . . . . . . . . . . . . . . 14
6.1.8
Reset of r6 and r7
(min./max. internal temperature) . . . . . . . . . 14
6.1.9
System message contact (K1; floating) . . . 15
6.1.10 Programming overview of Basic controller . 15
6.2
Control using the e-Comfort controller. . 16
6.2.1
Properties . . . . . . . . . . . . . . . . . . . . . . . . . . 16
6.2.2
Launching test mode . . . . . . . . . . . . . . . . . 16
6.2.3
General programming information . . . . . . . 16
6.2.4
Eco-mode . . . . . . . . . . . . . . . . . . . . . . . . . . 17
6.2.5
Editable parameters . . . . . . . . . . . . . . . . . . 18
6.2.6
Bus connection
(only when interconnecting several units
with an e-Comfort controller). . . . . . . . . . . . 19
6.2.7
Programming overview
of e-Comfort controller . . . . . . . . . . . . . . . . 20
6.2.8
Defining system messages for evaluation . 21
6.2.9
Setting the master-slave identifier. . . . . . . . 21
6.2.10 Evaluating system messages . . . . . . . . . . . 22
7 Inspection and maintenance. . . . . . 23
7.1
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
8 Emptying, storage and disposal. . . 23
9 Technical specifications . . . . . . . . . 24
10 List of spare parts . . . . . . . . . . . . . . 27
11 Further technical information . . . . . 28
11.1
Hydrological data . . . . . . . . . . . . . . . . . . . 28
11.2
Characteristic curves . . . . . . . . . . . . . . . . 29
11.2.1 Water resistance . . . . . . . . . . . . . . . . . . . . . 29
12 Appendix 1:
Cut-out and hole sizes . . . . . . . . . . . 30
12.1
Dimensions for external
and internal mounting. . . . . . . . . . . . . . . . 30
13 Appendix 2:
Application example
Parallel connection of
4 air/water heat exchangers . . . . . . 33
