MAXA i-MAX 0466 - Default Chapter; Table of Contents

i-MAX Industrial inverter air/water heat pump with axial fans
3
INDEX
1 CONSERVATION OF THE MANUAL .......................................................................................................................................... 5
1.1 GRAPHIC SYMBOLS USED IN THE MANUAL ............................................................................................................................ 5
2 PERMITTED USES ................................................................................................................................................................... 5
3 GENERAL SAFETY GUIDELINES ................................................................................................................................................ 5
3.1 PERSONAL PROTECTION EQUIPMENT .................................................................................................................................... 5
3.2 HEALTH AND SAFETY OF WORKERS ........................................................................................................................................ 5
4 PURPOSES AND CONTENTS OF THE MANUAL ......................................................................................................................... 6
5 USER – ONBOARD CONTROLLER INTERFACE .......................................................................................................................... 7
5.1 MENU STRUCTURE DIAGRAM ................................................................................................................................................ 7
5.2 MENU CONTENTS ................................................................................................................................................................... 8
5.2.1 Setpoint menu ................................................................................................................................................................ 8
5.2.2 Password menu .............................................................................................................................................................. 8
5.2.3 Sensors menu ................................................................................................................................................................. 8
5.2.4 Alarms menu .................................................................................................................................................................. 8
5.2.5 Digital inputs menu ........................................................................................................................................................ 8
5.2.6 Parameters menu ........................................................................................................................................................... 9
5.2.7 Operation hours menu ................................................................................................................................................... 9
5.2.8 USB menu ....................................................................................................................................................................... 9
5.2.8.1 CONTROLLER’S FIRMWARE UPDATING .......................................................................................................................................... 9
5.2.8.2 PARAMETERS UPDATING ............................................................................................................................................................... 9
5.2.9 DISPLAY .......................................................................................................................................................................... 9
5.2.10 LED STATUS DESCRIPTION ............................................................................................................................................ 10
6 I/O PORTS OF THE SYSTEM................................................................................................................................................... 10
7 OPERATION’S LOGICS ........................................................................................................................................................... 10
7.1 DYNAMIC SET-POINT CONTROL ........................................................................................................................................... 11
7.2 CIRCULATOR MANAGEMENT (IF INSTALLED) ....................................................................................................................... 11
7.2.1 OPERATION UNDER THERMOREGULATOR CALL (Default) ........................................................................................... 12
7.2.2 OPERATION UNDER THERMOREGULATOR CALL WITH PERIODIC ACTIVATION ........................................................... 12
7.2.3 OPERATION WITH ACTIVE ELECTRIC HEATER ............................................................................................................... 12
7.2.4 CONTINUOUS OPERATION ........................................................................................................................................... 12
7.2.5 LINEAR REGULATION OF THE CIRCULATOR – DOUBLE ΔT
Water
– .................................................................................. 12
7.2.6 AIR PURGING OF THE SYSTEM ...................................................................................................................................... 13
7.3 COMPRESSORS CONTROL .................................................................................................................................................... 13
7.3.1 TRANSITORY OF STARTING ........................................................................................................................................... 13
7.3.2 ON-OFF compressors activation logic ........................................................................................................................... 13
7.3.3 Release logic of the ON/OFF compressors .................................................................................................................... 13
7.3.4 INVERTER COMPRESSORS CONTROL IN COOLING MODE ............................................................................................ 14
7.3.5 INVERTER COMPRESSORS CONTROL IN HEATING MODE ............................................................................................. 14
7.3.6 SAFE TIME PERIODS ...................................................................................................................................................... 15
7.3.7 EMERGENCY CONDITIONS ............................................................................................................................................ 15
7.3.8 DEACTIVATION OF THE COMPRESSORS FOR OUTDOOR TEMPERATURE ..................................................................... 15
7.4 HEAT PUMP MODE OPERATION ........................................................................................................................................... 15
7.5 HEAT DISSIPATION FAN MOTOR CONTROL .......................................................................................................................... 15
7.5.1 FAN SPEED CONTROL ................................................................................................................................................... 15
7.5.2 FAN SPEED CONTROL IN COOLING MODE .................................................................................................................... 15
7.5.3 FAN SPEED CONTROL IN HEATING MODE .................................................................................................................... 16
7.6 DEFROSTING CYCLE .............................................................................................................................................................. 16
7.6.1 FORCED MANUAL DEFROST ......................................................................................................................................... 16
7.7 COMPRESSOR CRANCKASE HEATER ..................................................................................................................................... 16
7.8 ANTIFREEZE PROTECTION ELECTRIC HEATERS (WHEN THE “KA” ACCESSORY IS PRESENT) .................................................. 16
7.9 REMOTE ON/OFF .................................................................................................................................................................... 17
8 ACTIVABLE SIGNALIZATIONS FOR 0466, 0475 AND 0485 SIZES ............................................................................................. 17
9 ACTIVABLE LOGIC FUNCTIONS WITH GI- MODULE FOR PLANT MANAGEMENT (OPTIONAL) ................................................ 17
9.1 DEFROSTING CYCLE SIGNALIZATION .................................................................................................................................... 17
9.2 PLANT SEASON SIGNALIZATION ........................................................................................................................................... 17