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Daikin MicroTech I Operation And Maintenance Manual
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Operation and Maintenance Manual
OM 1239
Group:
WSHP
Document PN:
910165130
Date:
July 2015
MicroT
ech
®
III Unit Controller with I/O Expansion Module
for T
wo Compressor W
ater Source Heat Pumps
Large Capacity V
ertical Models L
VC (Standard Range) & L
VW (Extended Range)
Large Capacity Horizontal Models CCH (Standard Range) & CCW (Extended Range)
I/O Expansion Modu
le
Micro
T
ech III Un
it Controller
2
Table of Contents
Default Chapter
2
Table of Contents
2
Introduction
3
Microtech III Unit Controller
5
Connections
5
Bacnet Communication Module
8
L on W Orks Communication Module
8
Replacing a Microtech III Circuit Board
9
Initial Power-Up
9
Pre Start Check List
9
I/O Expansion Module Jumper Settings
10
General Use and Information
11
Sequence of Operations
11
Dehumidification
12
Available Operating Modes
12
Microtech III Unit Protection
12
Fault Status and LED Annunciation
14
[A and IV/PR (H8)]
16
Fault Recovery and Reset
17
Shutdowns.
19
Fan Operation During most Modes, Faults and Shutdowns
19
Faults and Modes
19
Appendix A.
21
Appendix A.
21
Operation and Maintenance of I/O Expansion
21
Module
21
Initial Power up
21
I/O Expansion Module Faults and Fan Operating
22
Modes
22
Microtech III Unit Controller Interface to External
21
Equipment
21
Unit Options
23
Hot Gas Reheat with Temperature Control Application
23
Hot Gas Reheat Dehumidification Only
23
Microtech III Unit Controller with L on W Orks
25
Communication Module
25
Appendix B
25
Microtech III Controller with an Optional Bacnet Communication Module
26
Typical Wiring Diagrams
27
Troubleshooting the Water Source Heat Pump Unit
31
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Daikin MicroTech I Specifications
General
Brand
Daikin
Model
MicroTech I
Category
Controller
Language
English
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