Carel + 0300028EN, User Manual, Page: 31 / 60

3
ENG
ir33+ VCC +040000058 - rel. 1.2 - 15.02.2018
Content
1. INTRODUCTION 5
2. INSTALLATION 5
2.1 ir33+ VCC with frequency control ........................................................................................................................................................5
2.2 ir33+ VCC with serial protocol control ...............................................................................................................................................7
3. IR33+ VCC FUNCTIONS 9
3.1 Functions common to all ir33+ VCC models ................................................................................................................................9
3.1.1 VCC compressor confi guration .................................................................................................................................................................9
3.1.2 Control confi guration ...............................................................................................................................................................................10
3.1.3 Display frequency value ............................................................................................................................................................................12
3.1.4 Defrost ..............................................................................................................................................................................................................12
3.1.5 Running time defrost (par. d10, d11, d20) .........................................................................................................................................13
3.1.6 Pull down ........................................................................................................................................................................................................14
3.2 Continuous cycle.......................................................................................................................................................................................... 15
3.2.1 Neutral zone and reverse mode.............................................................................................................................................................15
3.2.2 Second compressor ....................................................................................................................................................................................16
3.2.3 Condenser fans .............................................................................................................................................................................................17
3.2.4 Pump down ...................................................................................................................................................................................................18
3.2.5 Shutdown from keypad ............................................................................................................................................................................19
3.2.6 Digital input confi guration .....................................................................................................................................................................19
3.2.7 Frost alarm .....................................................................................................................................................................................................20
3.2.8 High condenser temperature alarm management ......................................................................................................................21
3.2.9 High evaporator temperature alarm ..................................................................................................................................................21
3.2.10 Procedure for setting the default parameters ..................................................................................................................................22
3.3 Specifi c functions of model ir33+ VCC with serial protocol control ............................................................................ 22
3.4 Advanced VCC confi guration ............................................................................................................................................................... 23
4. PARAMETER TABLE 25
5. TABLE OF SUPERVISOR VARIABLES 31
6. ALARM TABLE 33
7. START UP PROCEDURE 34