Daikin McQuay MicroTech III User Manual

2 ED 15121
Table of Contents
TABLE OF CONTENTS........................................................................................................................................................ 2
L
IMITED WARRANTY ............................................................................................................................................................. 4
N
OTICE .................................................................................................................................................................................. 4
R
EVISION HISTORY................................................................................................................................................................ 4
SOFTWARE REVISION............................................................................................................................................................. 4
R
EFERENCE DOCUMENTS....................................................................................................................................................... 4
INTRODUCTION.................................................................................................................................................................... 5
C
HILLER MODELS.................................................................................................................................................................. 5
C
ONTROLLER DATA POINTS .................................................................................................................................................. 5
MODBUS PROTOCOL INFORMATION............................................................................................................................ 6
C
OMPATIBILITY ..................................................................................................................................................................... 6
PROTOCOL DEFINITIONS ........................................................................................................................................................ 6
V
ALID FUNCTION CODES....................................................................................................................................................... 6
VALID ERROR CODES ............................................................................................................................................................ 7
MODBUS ADDRESSING........................................................................................................................................................... 7
M
ODBUS DATA POINT ........................................................................................................................................................... 7
EXAMPLE DATA POINT: CHILLER ON/OFF............................................................................................................................. 8
CONFIGURING THE UNIT CONTROLLER.................................................................................................................................. 8
TYPICAL APPLICATION: MINIMUM INTEGRATION..................................................................................................... 9
D
ISPLAY IMPORTANT DATA POINTS ...................................................................................................................................... 9
PROTOCOL POINT SUMMARY....................................................................................................................................... 10
R
EGISTER MAPPING............................................................................................................................................................. 10
A
LARM DATA POINTS.......................................................................................................................................................... 16
DETAILED DATA POINT INFORMATION...................................................................................................................... 19
A
CTIVE CAPACITY LIMIT OUTPUT....................................................................................................................................... 19
ACTIVE SETPOINT................................................................................................................................................................ 19
ACTUAL CAPACITY.............................................................................................................................................................. 19
A
LARM DIGITAL OUTPUT .................................................................................................................................................... 19
APPLICATION SOFTWARE VERSION...................................................................................................................................... 20
CAPACITY LIMIT SETPOINT - NETWORK .............................................................................................................................. 20
C
HILLER CAPACITY LIMITED............................................................................................................................................... 20
CHILLER CURRENT .............................................................................................................................................................. 20
C
HILLER ENABLE OUTPUT................................................................................................................................................... 21
C
HILLER ENABLE SETPOINT ................................................................................................................................................ 21
CHILLER LOCAL/REMOTE.................................................................................................................................................... 21
C
HILLER LOCATION ............................................................................................................................................................. 21
CHILLER MODE OUTPUT...................................................................................................................................................... 21
CHILLER MODE SETPOINT - NETWORK ................................................................................................................................ 22
C
HILLER MODEL.................................................................................................................................................................. 22
C
HILLER ON/OFF ................................................................................................................................................................. 22
CHILLER STATUS ................................................................................................................................................................. 22
C
LEAR ALARMS - NETWORK................................................................................................................................................ 22
C
OMPRESSOR DISCHARGE REFRIGERANT TEMPERATURE.................................................................................................... 23
C
OMPRESSOR RUN HOURS................................................................................................................................................... 23
C
OMPRESSOR STARTS.......................................................................................................................................................... 23
C
OMPRESSOR SUCTION REFRIGERANT TEMPERATURE ........................................................................................................ 23
C
ONDENSER REFRIGERANT PRESSURE................................................................................................................................. 24
C
ONDENSER SATURATED REFRIGERANT TEMPERATURE ..................................................................................................... 24
C
OOL SETPOINT - NETWORK................................................................................................................................................ 24
C
URRENT DATE & TIME ...................................................................................................................................................... 24

Daikin McQuay MicroTech III Specifications

General

Brand	Daikin
Model	McQuay MicroTech III
Category	Chiller
Language	English