1
1.1 - Quick reference guide ................................................................................................................ p. 03
1.2 - Install options ............................................................................................................................. p. 04
1.4 - Menu options ............................................................................................................................. p. 06
1.5 - Summer / Winter mode ............................................................................................................. p. 07
1.6 - Underfloor heating ..................................................................................................................... p. 07
2
2.1 - Introduction ................................................................................................................................ p. 08
2.2 - Important information ................................................................................................................. p. 09
2.3 - Technical specification ............................................................................................................... p. 10
2.4 - Preparation ................................................................................................................................ p. 11
2.4.1 - Opening case ................................................................................................................ p. 11
2.5.1 - Location ......................................................................................................................... p. 13
2.6 - Installation .................................................................................................................................. p. 13
2.6.1 - Main Unit ....................................................................................................................... p. 13
2.6.2 - Plumbing ....................................................................................................................... p. 14
2.6.3 - Filling loop ..................................................................................................................... p. 15
2.7 - Electrical .................................................................................................................................... p. 16
2.7.1 - Power selection ............................................................................................................. p. 17
2.9 - Boiler configuration .................................................................................................................... p. 18
2.10 - Pump speed ............................................................................................................................. p. 19
2.11 - Troubleshooting ........................................................................................................................ p. 19
2.12 - Servicing .................................................................................................................................. p. 19
2.14 - Power terminal ......................................................................................................................... p. 21
2.18 - Wiring diagrams ....................................................................................................................... p. 27
2.19 - 3 Speed water pump ................................................................................................................ p. 29
2.21 - Regulation settings .................................................................................................................. p. 31
2.22 - Operating ................................................................................................................................. p. 33
2.23 - Counters .................................................................................................................................. p. 35
2.24 - Failures display ........................................................................................................................ p. 35
2.25 - Maintenance ............................................................................................................................ p. 36
2.26 - Troubleshooting ....................................................................................................................... p. 36
CONTENTS
Ascari MA12 -p. 2 -