McQuay MicroTech III manuály

Mcquay MicroTech III Manuál s instrukcemi (68 strany)

Značka: Mcquay | Kategorie: Krby | Velikost: 0.85 MB |

Angličtina

Tabulka s obsahem

Control Panel

1

Table of Contents

2

Introduction

3

Operating Limits:

4

Controller Features

4

General Description

5

Power Panel Layout

6

Economizer Components

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8 KOMAC00607-09EN

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Controller Description

9

System Architecture

10

Sequence of Operation

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Controller Operation

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I/O EXV Circuit #1 to #3

15

Setpoints

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KOMAC00607-09EN 19

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Auto Adjusted Ranges

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Dynamic Default Values

20

Unit Functions

21

Unit Control States

22

Unit Status

23

Ice Mode Start Delay

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Evaporator Pump Control

23

Noise Reduction

24

Unit Capacity Control

26

Staging Sequence

27

Unit Capacity Overrides

28

Network Limit

29

Current Limit

29

Maximum LWT Pulldown Rate

29

Circuit Functions

30

Starting

31

Circuit Status

32

Compressor Control

32

KOMAC00607-09EN 33

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Condenser Fan Control

34

EXV Control

35

Economizer Control

36

Liquid Injection

36

Alarms and Events

37

38 KOMAC00607-09EN

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Unit Events

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Circuit Stop Alarms

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KOMAC00607-09EN 41

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Circuit Events

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Alarm Logging

45

Using the Controller

46

Navigating

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Figure 12

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Edit Mode

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Home Page

49

Main Menu

49

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KOMAC00607-09EN 53

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Start-up and Shutdown

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Extended (Seasonal) Shutdown

56

Table 2, Freeze Protection

57

Field Wiring Diagram

58

KOMAC00607-09EN 59

59

System Maintenance

60

Lead-Lag

63

Appendix

64

KOMAC00607-09EN 65

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