Alfa Laval Micro STC - 1.5 General Warnings; 1.6 Micro STC and Micro STC2 Warnings

Alfa Laval Micro
Installation, service and operating instruction
5
19 Service instructions ............................................................................................................ 54
General service instructions ................................................................................................................... 54 19.1
STC service instructions ......................................................................................................................... 55 19.2
RTC service instructions ........................................................................................................................ 57 19.3
HTC service instructions ........................................................................................................................ 57 19.4
Service actions for the installer .............................................................................................................. 57 19.5
Adjust the handle on the control valve .............................................................................................. 57 19.5.1
Check if the filter for heating media is blocked ................................................................................. 58 19.5.2
Check the function of the valve for hot water .................................................................................... 58 19.5.3
Check the actuator and valve function .............................................................................................. 59 19.5.4
Run the pump manually .................................................................................................................... 59 19.5.5
Change pump components or the complete pump ........................................................................... 59 19.5.6
20 Maintenance and repairs .................................................................................................... 60
Change the hot water actuator and exchanger ...................................................................................... 60 20.1
Change the hot water valve .................................................................................................................... 60
20.2
Change the heating actuator .................................................................................................................. 61 20.3
Change the heating valve ....................................................................................................................... 61 20.4
Change the pump ................................................................................................................................... 62 20.5
Change the heating circuit supply temperature sensor .......................................................................... 62 20.6
Change the outdoor temperature sensor ............................................................................................... 62 20.7
Change the differential pressure control valve ....................................................................................... 63 20.8
Change the flow switch .......................................................................................................................... 63 20.9
21 Operating data and performance ....................................................................................... 64
Operating data ........................................................................................................................................ 64 21.1
AquaMicro ......................................................................................................................................... 64 21.1.1
Micro DPC, Micro RTC, Micro HTC, Micro STC, Micro STC2 .......................................................... 64 21.1.2
Technical Data........................................................................................................................................ 65 21.2
Measure sketch ...................................................................................................................................... 66 21.3
22 Options ................................................................................................................................ 67
Under floor heating thermostat ............................................................................................................... 67 22.1
First fix-jig ............................................................................................................................................... 67 22.2
23 Declaration of conformity ................................................................................................... 68