IVT X Series - Default Chapter; Table of Contents

Table of Contents
6 720 643 196 (2010/02)
2
Table of Contents
1 Symbol explanations and safety instructions . . 3
1.1 Symbol explanations . . . . . . . . . . . . . . . . . 3
1.2 Safety instructions . . . . . . . . . . . . . . . . . . 3
2 Rectify interference . . . . . . . . . . . . . . . . . . . . . . 4
2.1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2.2 Instructions on how to use the fault tables 4
2.3 General faults . . . . . . . . . . . . . . . . . . . . . . 4
2.3.1 Display out . . . . . . . . . . . . . . . . . . . . . . . . 4
2.3.2 Tripped low pressure switch . . . . . . . . . . . 5
2.3.3 Tripped high pressure switch . . . . . . . . . . 7
2.3.4 High hot gas temperature T6 . . . . . . . . . . 10
2.3.5 High forward flow T1 . . . . . . . . . . . . . . . . 11
2.3.6 High temperature difference heating system
water . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
2.3.7 Low heat transfer fluid (coll.) in . . . . . . . 14
2.3.8 Low heat transfer fluid (coll.) out . . . . . . 15
2.3.9 T1-T3, T6-T11 . . . . . . . . . . . . . . . . . . . . . 16
2.3.10 T5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
2.3.11 T81 (pool control) . . . . . . . . . . . . . . . . . . 17
2.3.12 Electric element fault . . . . . . . . . . . . . . . 18
2.3.13 Heat pump now working at max. permitted
temp. (T8) . . . . . . . . . . . . . . . . . . . . . . . . 18
2.3.14 Electric element now working at max.
permitted temp. (T8) . . . . . . . . . . . . . . . . 18
2.3.15 Compressor does not reach correct
frequency . . . . . . . . . . . . . . . . . . . . . . . . . 19
2.3.16 Fault in HTF pump G3 . . . . . . . . . . . . . . . 19
2.3.17 High temperature electric box . . . . . . . . 19
2.3.18 Check connection to AHB . . . . . . . . . . . . 20
2.3.19 Check connection to I/O circuit board . . 20
2.4 Troubleshooting the inverter section . . . 21
2.5 Alarm from driver circuit board . . . . . . . . 23
2.6 Alarm from heat transfer fluid (coll.) pump
G3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24