Munters ML420 User Manual

Tableofcontents
Importantuserinformation...............ii
Intendeduse...........................
ii
Warranty...............................
ii
Safety..................................
ii
ConformitywithDirectives............
ii
Copyright..............................
ii
Tableofcontents...........................iii
1Introduction.................................1
1.1Aboutthismanual.....................
1
1.2Unintendeduse........................
1
1.3Safetyandcautions...................
1
1.4Markings...............................
3
1.5Supervisionofoperation..............
3
1.6Faultindications.......................
3
2Dehumidierdesign.......................4
2.1Productdescription...................
4
2.2Functiondescription..................
4
2.3Maincomponents.....................
5
3Transport,inspectionandstorage.......6
3.1Transport..............................
6
3.2Inspectionofdelivery..................
6
3.3Storingtheequipment................
6
4Installation...................................7
4.1Safety..................................
7
4.2Siterequirements.....................
7
4.3Foundation............................
8
4.4Mirrorhandedductconnections......
8
4.5Ductinstallation.......................
9
4.5.1Generalrecommendations...
9
4.5.2Ductforoutdoorairinlet.......
12
4.5.3Ductforwetairoutlet...........
12
4.6Precautionarymeasuresforunitswith
LIdesiccantrotor......................
13
4.7Electricalconnections................
13
4.8Externalhumiditysensor.............
13
4.9Gasreactivation(ML1100units
only)....................................
14
5Commissioning.............................15
5.1Settingsbeforestart-up...............
15
5.1.1Continuousprocessairfan
operation.......................
15
5.1.2Single-stagehumiditysensor.
15
5.1.3Two-stagehumiditysensor...
15
5.1.4Remotefaultindication........
15
5.2Pre-startchecks.......................
16
5.3Airowcheckandadjustment........
17
6Operation....................................18
6.1General................................
18
6.2Quickstop..............................
18
6.3Beforestarting.........................
18
6.4Operatorpanel........................
19
6.5RH98operatorpanel..................
21
6.6Operatingtheunit.....................
21
6.6.1Manualmode..................
21
6.6.2Automaticmode–humidity
sensorconnected..............
22
6.6.3Automaticmode-RH98or
VariDry(option)................
22
7Serviceandmaintenance.................24
7.1Safety..................................
24
7.2General................................
24
7.3Serviceoptions........................
24
7.4Extendedwarranty....................
25
7.5Cleaning...............................
25
7.6Serviceandmaintenanceschedule..
25
7.7Filterchange...........................
27
8Faulttracing.................................28
8.1General................................
28
8.2Safety..................................
28
8.3Faulttracinglist........................
29
9Technicalspecication....................31
9.1Dimensionsandservicespace.......
31
9.2Capacitydiagrams....................
32
9.3Technicaldata.........................
34
9.4Sounddata.............................
36
9.4.1SounddataML420............
36
9.4.2SounddataML690............
37
9.4.3SounddataMLT800...........
37
9.4.4SounddataML1100...........
38
9.4.5SounddataML1350...........
38
9.4.6SounddataMLT1400..........
39
10Scrapping....................................40
190TGB-1035-H1604Tableofcontentsiii

Munters ML420 Specifications

General

Brand	Munters
Model	ML420
Category	Dehumidifier
Language	English