4
5833 275 - 04
Vitotrans 300 Installation, Operating and Service
Contents
Putting the Unit into Operation
...................................45
User Interface
...................................................... 45
Fault Notification
......................................................46
Menu
......................................................................46
Settings
..................................................................46
Information
......................................................... 47
Trending
............................................................. 48
Alarms .................................................................
49
Shutting Down the System ......................................
49
Troubleshooting
........................................................50
Safety Instructions
...................................................51
Service Equipment
....................................................52
Service and Cleaning
................................................52
Preparing for Service .........................................
53
Heating System WYE Strainer
....................................55
Domestic WYE Strainer
.............................................55
Heat Exchangers
......................................................56
Descaling Pump
.......................................................57
System Pump
..........................................................58
System Faults
..........................................................60
System Pump Warning Codes
....................................61
System Pump Fault Codes
.........................................61
Sensors and FHL Location
........................................62
Temperature Sensors
............................................. 63
Flow Sensors
...........................................................63
Fixed High Limit
.......................................................64
Completion of Service
...............................................65
Putting the Unit into Operation After Service
...............67
Faults
.....................................................................67
Fault History
...................................................................68
Maintenance Mode / Relay Test
........................................69
Maintenance Mode
..........................................................70
Service
...........................................................................70
Restoring to Normal Operation
..........................................70
Wiring Diagram - S3HA 30, D3HA 30, S3HA 60 and
D3HA 60
................................................................71
Wiring Diagram - S3HA 90 and D3HA 90
.....................72
Technical Data
........................................................73
Dimensions
.....................................................................74
Parts List
................................................................75
Installation Fittings
...........................................................86
Maintenance
...........................................................87
Maintenance Record
.................................................87
Operation
Service
Wiring
Specification
Parts
Maintenance
Page