McQuay MicroTech III manuels

Mcquay MicroTech III Manuel d'instructions (68 pages)

marque: Mcquay | Catégorie: Foyers | Taille: 0.85 MB |

Anglais

Table des matières

Control Panel

1

Table of Contents

2

Introduction

3

Operating Limits:

4

Controller Features

4

General Description

5

Power Panel Layout

6

Economizer Components

7

8 KOMAC00607-09EN

8

Controller Description

9

System Architecture

10

Sequence of Operation

11

12 KOMAC00607-09EN

12

Controller Operation

14

I/O EXV Circuit #1 to #3

15

Setpoints

17

18 KOMAC00607-09EN

18

KOMAC00607-09EN 19

19

Auto Adjusted Ranges

20

Dynamic Default Values

20

Unit Functions

21

Unit Control States

22

Unit Status

23

Ice Mode Start Delay

23

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

33

Condenser Fan Control

34

EXV Control

35

Economizer Control

36

Liquid Injection

36

Alarms and Events

37

38 KOMAC00607-09EN

38

Unit Events

39

Circuit Stop Alarms

40

KOMAC00607-09EN 41

41

42 KOMAC00607-09EN

42

KOMAC00607-09EN 43

43

Circuit Events

44

Alarm Logging

45

Using the Controller

46

Navigating

47

Figure 12

48

Edit Mode

48

Home Page

49

Main Menu

49

50 KOMAC00607-09EN

50

KOMAC00607-09EN 51

51

52 KOMAC00607-09EN

52

KOMAC00607-09EN 53

53

54 KOMAC00607-09EN

54

Start-up and Shutdown

55

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

65

66 KOMAC00607-09EN

66

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