Daikin WGZ030DW Operating And Maintenance Manual

2 OMM 1130-2
Table of Contents
Introduction ....................................... 3
General D
escription .............................. 3
Nomenclature ........................................ 3
Water Pressure Drop ............................. 3
Components .......................................... 6
Unit Configuration ............................ 7
Field Wir
ing Diagrams .......................... 8
Control Panel Layout .......................... 10
Motor Protection Module .................... 10
Start-Up and Shutdown .................. 11
Sequence of Operation .................... 13
Start-up/C
ompressor Staging .............. 13
MicroTech II Controller .................. 17
Control
ler Software Version ................ 17
General Description ............................ 17
Expansion I/O Controller .................... 20
Setpoints .............................................. 21
Automatic Adjusted Limits ................. 23
Dynamic Defaults ............................... 24
Events & Alarms .............................. 24
Unit St
op Alarms ................................. 24
Limit Events ........................................ 28
Controller Operation ....................... 31
EXV Cont
rol ....................................... 49
Using the Controller ........................ 51
Menu Screen
s ...................................... 52
Menu Descriptions .............................. 53
BAS Interface .................................. 72
Parameter D
etails ................................ 73
Compressor Motor protection
Module.............................................. 76
Optional Controls ............................ 78
Phase/
Voltage Monitor (Optional) ...... 78
Hot Gas Bypass (Optional) ................. 78
System Maintenance ....................... 79
General ................................................ 79
Electrical Terminals ............................ 79
POE Lubrication ................................. 80
Sightglass and Moisture Indicator ....... 80
Crankcase Heaters ............................... 80
Maintenance Schedule ........................ 81
System Service ................................. 82
Troubles
hooting Chart ........................ 84
Warranty Statement ....................... 85
Products manufactured in an ISO Certified facility
© 2014 Daikin Applied. Illustrations and data cover the Daikin Applied product at the time of publication and we reserve
the right to make changes in design and construction at anytime without notice.
™® The following are trademarks or registered trademarks of their respective companies: BA
Cnet from ASHRAE;
LONMARK,
LonTalk, L
ONWORKS, and the LONMARK logo are managed, granted and used by LONMARK International under a license
granted by Echelon Corporation; Compliant Scroll from Copeland Corporation; Modbus from Schneider Electric;, MicroTech
II, Open Choices from Daikin Applied.
Cover Picture: WGZ130DW without piping insulation installed for clarity

Daikin WGZ030DW Specifications

General

Brand	Daikin
Model	WGZ030DW
Category	Chiller
Language	English