FOR THE USER..................................................................................................... 5
Important information ....................................................................................... 5
IVT Greenline HT Plus C ........................................................................................................................................8
IVT Greenline HT Plus E ........................................................................................................................................9
Control unit Rego 637 ..................................................................................... 10
Control panel .................................................................................................. 12
Controls and status lamps .....................................................................................................................................12
Menu dial .............................................................................................................................................................13
How to use the control panel .................................................................................................................................13
Set the heating ......................................................................................................................................................15
Heating and hot water settings ..............................................................................................................................19
Temperature settings .............................................................................................................................................22
Set extra heat curve with shunt .............................................................................................................................23
Hot water settings..................................................................................................................................................24
Timer control ........................................................................................................................................................24
Set the time and date ............................................................................................................................................26
Alarms given by the heat pump .............................................................................................................................27
Return to factory settings .......................................................................................................................................27
Maintenance ................................................................................................... 28
Opening the front cover .........................................................................................................................................28
Sight glass .............................................................................................................................................................28
Expansion tank .....................................................................................................................................................29
Particle fi lter .........................................................................................................................................................30
Checking the protective anode ...............................................................................................................................30
Dimmed menu display ..........................................................................................................................................31
All alarms .............................................................................................................................................................32
Contents
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Table of Contents