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Microtek MHP1-HD Installation Manual Page 70
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70
OMRCPMICRO
Figure
21
, 4-stage output, ALR 035 - 070
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Operating Manual OMRCPMICRO
1
Table of Contents
2
Introduction
3
General Description
4
Optional Sensor Packages
5
Controller Layout
6
Component Data
7
8 OMRCPMICRO
8
OMRCPMICRO 9
9
Installation and Maintenance
10
Optional sensors
11
Field Wiring
12
Digital input signals
13
Digital outputs
13
Condenser pump or fan starter
13
PC connection
14
Telephone line
14
Software Identification
15
Controller Inputs/Outputs
16
Digital inputs
17
Relay board outputs
18
OMRCPMICRO 19
19
20 OMRCPMICRO
20
OMRCPMICRO 21
21
Remote Demand Limiting
22
THR Heat/Cool Changeover
23
Soft Loading
23
Compressor Control
24
Manual Operation
25
Unit Status Modes
26
Circuit Status Modes
27
Head Pressure Control
28
OMRCPMICRO 29
29
30 OMRCPMICRO
30
Pumpdown Control
31
Safety Systems
32
Circuit Alarm Conditions
33
34 OMRCPMICRO
34
System Alarm Conditions
35
Other Conditions
36
Normal Sequence of Operation
37
Condenser control
38
Low ambient start
38
Start-Up and Shutdown
39
Powering the control panel
40
Temporary shutdown
40
Extended shutdown
41
Keypad/Display
42
Password Information
43
Keypad Key Functions
43
Item group
44
Action group
44
Menu Descriptions
45
Control menus
46
OMRCPMICRO 47
47
48 OMRCPMICRO
48
Alarm menus
49
MicroTech Keypad Directory
50
OMRCPMICRO 51
51
Table 8, Control menu
52
OMRCPMICRO 53
53
54 OMRCPMICRO
54
Table 9, Alarm menu
55
56 OMRCPMICRO
56
OMRCPMICRO 57
57
58 OMRCPMICRO
58
Microprocessor control board
59
60 OMRCPMICRO
60
ADI board
61
Erroneous pressure readings
62
Freezestat alarm condition
62
Output board
63
Testing Solid-State Relays
64
PC monitoring
65
66 OMRCPMICRO
66
OMRCPMICRO 67
67
68 OMRCPMICRO
68
OMRCPMICRO 69
69
70 OMRCPMICRO
70
OMRCPMICRO 71
71
72 OMRCPMICRO
72
OMRCPMICRO 73
73
74 OMRCPMICRO
74
OMRCPMICRO 75
75
76 OMRCPMICRO
76
OMRCPMICRO 77
77
78 OMRCPMICRO
78
OMRCPMICRO 79
79
80 OMRCPMICRO
80
OMRCPMICRO 81
81
82 OMRCPMICRO
82
OMRCPMICRO 83
83
84 OMRCPMICRO
84
OMRCPMICRO 85
85
86 OMRCPMICRO
86
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