User manual

5
ENGLISH
µC
2
SE process chiller +030220416 - rel. 1.1 - 27.04.2010
CONTENTS
1. INTRODUCTION 7
1.1 General description ..............................................................................................................................7
1.2 User interface ........................................................................................................................................7
2. CONNECTIONS 9
2.1 General diagram ...................................................................................................................................9
2.2 Network layout .....................................................................................................................................9
3. APPLICATIONS 10
3.1 AIR/WATER chiller.................................................................................................................................10
3.2 WATER/WATER chiller .........................................................................................................................11
4. PARAMETERS 13
4.1 General parameters .............................................................................................................................13
4.2 Menu structure .....................................................................................................................................13
4.3 Parameter tables ..................................................................................................................................14
5. DESCRIPTION OF THE PARAMETERS 23
6. TABLE OF ALARMS 48
7. CONNECTIONS, ACCESSORIES AND OPTIONS 52
7.1 Connection diagram ..............................................................................................................................52
7.2 Expansion card .......................................................................................................................................53
7.3 EVD4*: Electronic expansion valve driver ........................................................................................53
7.4 Fan speed control board (code MCHRTF*) .....................................................................................54
7.5 Fan ON/OFF control board (code CONVONOFF0) ......................................................................54
7.6 PWM to 0 to 10Vdc (or 4 to 20 mA)conversion board for fans ...............................................
(code CONV0/10A0)....................................................................................................................................54
7.7 Minimum and maximum fan speed calculation .............................................................................54
7.8 Programming key (code PSOPZKEYA0) ...........................................................................................55
7.9 RS485 serial options ..............................................................................................................................56
7.10 Terminals ................................................................................................................................................56
8. DIMENSIONS 57
9. CODES 59
10. TECHNICAL SPECIFICATIONS AND SOFTWARE UPDATES 59
10.1 Technical specifi cations .....................................................................................................................59
10.2 Software updates................................................................................................................................60