Operating instructions

3
1 Introduction 4
1.1 To the very beginning 4
1.2 Notes on the operating instructions 4
2 For your safety 6
3 Product Overview 8
3.1 Unit versions 8
3.2 Unit construction 8
3.3 Operating panel 9
3.4 Identicationoftheunit 10
3.5 Functional description/Operating modes 10
3.6 Options 11
3.7 Accessories 12
3.8 Standard delivery 12
4 Commissioning 13
4.1 Unpacking the unit and checking the
scopeofdelivery 13
4.2 Transporting/storing the unit 13
4.3 Choose location 14
4.4 Connecting the water supply (PH28A only) 15
4.5 Putting the unit into operation 16
5 Operation 17
5.1 Filling the water tank (PH28 only) 17
5.2 Switchingtheunitonandoff 18
5.3 Menu overview 19
5.4 Unit settings (normal operating mode) 20
5.4.1 Setting the desired humidity value 20
5.4.2Settingthefanstep 21
5.4.3 Selecting the operating mode 22
5.4.4 Switchingthebuzzeronandoff 22
5.4.5 Calling timer level 23
5.5 Program operation 24
5.5.1 Calling the timer level 24
5.5.2 Activating/Deactivating the program mode 25
5.4.3 Setting the current time 25
5.5.4 Setting the starting points and the
operating programs 26
5.6 Locking/unlocking the keyboard 27
6 Maintenance 28
6.1 Maintenance intervals 28
6.2 Maintenance work 29
6.2.1 Disassembling the unit 29
6.2.2 Cleaning work 30
6.3 Notes on cleaning agent 32
6.4 Reassemblyoftheunit 33
6.5 Resettingthelterchangingmessage 34
6.6 Repair work 34
7 Fault elimination 36
7.1 Event messages 36
7.2 Warning messages 36
7.3 Error messages 37
7.4 What,if...? 38
7.5 Notesonfaultelimination 39
8 Taking out of service/Disposal 40
8.1 Takingoutofservice 40
8.2 Disposal/Recycling 40
9 Unitspecications 41
10 Appendix 42
10.1 Wiring diagram 42
10.2 Spare parts list PH28 43
10.3 Spare parts list PH28A 45
Contents