Table of content
8.2
Replacing the power cord with plug .................................................................................................. 77
8.3
Replacing the line filter (
-1Z1
) ........................................................................................................... 78
8.4
Checking and replacing the main switch (
-1S1
) and the humidity switch (
-8S1
) .............................. 79
8.5
Removing the electric mounting plates from the machine room ....................................................... 80
8.6
Components of the electric mounting plate (standard) ..................................................................... 82
8.7
Components of the electric mounting plate (optional plate) .............................................................. 83
8.8
Controller MB1 I/O Board (
-3N2
) ....................................................................................................... 84
8.8.1
Replacing the controller MB1 I/O Board (
-3N2
) ................................................................................ 85
8.9
Replacing the controller display
(-3N1)
............................................................................................. 85
8.10
Replacing individual mTRON relay modules .................................................................................... 86
8.11
Replacing the RS422 / Ethernet converter (
-2U1
) ............................................................................ 88
8.12
Replacing the 24 V power supply unit (
-2T1
) .................................................................................... 89
9
Humidifying and dehumidifying system ....................................................................................... 90
9.1
Variant A ............................................................................................................................................ 93
9.2
Variant B .......................................................................................................................................... 104
10
Repair work at the cooling system .............................................................................................. 114
10.1
General information ......................................................................................................................... 114
10.2
Required tools for repairing the cooling system .............................................................................. 114
10.3
Replacing the condenser fan .......................................................................................................... 115
10.4
Replacing the capillary tubes .......................................................................................................... 116
10.5
Checking the step motor valve (-
7Y3
) ............................................................................................. 117
10.6
Interface board IB3 (
-7N1
) for step motor valve .............................................................................. 118
10.7
Overview cooling cycle .................................................................................................................... 119
11
Calibrating and adjusting the temperature and humidity control ............................................ 120
11.1
General execution of the calibration ................................................................................................ 120
11.2
Calibrating and adjusting points ...................................................................................................... 121
11.2.1
Calibrating and adjusting point of the temperature control ............................................................. 121
11.2.2
Calibrating and adjusting points of the humidity control .................................................................. 121
11.3
Calibrating and adjusting the temperature control .......................................................................... 121
11.3.1
Resetting the temperature controller adjustment ............................................................................ 122
11.3.2
Calibrating the temperature controller ............................................................................................. 125
11.3.3
Adjusting the temperature controller ............................................................................................... 127
11.4
Setting the door heating correction ................................................................................................. 129
11.5
Calibrating and adjusting the humidity controller ............................................................................ 130
11.5.1
Resetting the humidity controller adjustment .................................................................................. 130
11.5.2
Calibrating the humidity controller ................................................................................................... 131
11.5.3
Adjusting the humidity controller ..................................................................................................... 133
12
Spare parts ..................................................................................................................................... 134
13
Parts subject to wear .................................................................................................................... 138
14
Revision history ............................................................................................................................ 138
Service Manual KBF (E5.2) 04-2015
5
