McQuay MicroTech II Manuals

Manuals and User Guides for McQuay MicroTech II. We have 8 McQuay MicroTech II manuals available for free PDF download: Operation Manual, Installation Manual, Installation And Maintenance Manual, Operation & Maintenance Manual

McQuay MicroTech II Operation Manual (136 pages)

Chiller System Manager (CSM) Hardwired Chillers

Brand: McQuay | Category: Controller | Size: 2.6 MB

Table of Contents
2
Figures
4
Tables
5
Limited Warranty
6
Notice
6
Reference Documents
7
Revision History
7
CSM Software ID
7
Figure 1. Key to Software Identification
7
Chiller Unit Controller Software Compatibility
8
Table 1. Chiller Unit Controller Program Code Software Compatibility
8
Introduction

9
- Figure 2. System Architecture
  9
Getting Started

11
- Connecting to the CSM
  11
- Password Protection
  20
Connecting Chillers and Remote I/O to the CSM

22
Configuring the Chiller System Manager

32
Operator's Guide

97
- Chiller System Status
  97
  - CSM Operating State
    98
  - Figure 43. System Status (Main > System Status)
    98
  - Stage-Up Status
    101
  - Stage-Down Status
    101
  - System Capacity
    102
- Temperatures
  102
- Figure 44. Chilled Water Temperature Sensor Locations
  102
- Monitoring Chiller Status
  103
  - Figure 45. Condenser Water Temperature Sensor Locations
    103
  - Figure 46. Chiller Status (Main > System Status > Chiller Status)
    104
  - Status (Chiller Run Mode)
    104
  - Alarm
    105
  - Chiller Run Time (Op Hours)
    105
  - Clear Alarm
    105
  - Chiller Data
    106
  - Comp
    106
- Load Limiting Status
  106
- Chilled Water Distribution System Status
  107
- Cooling Tower Status
  107
- Override of the Chiller System Manager's Control
  107
  - Local Override of a Chiller
    107
  - Free Cooling BAS Network Override
    108
- Alarm Monitoring and Control
  108
  - Acknowledging Alarms on the CSM
    108
  - Figure 47. Acknowledging Alarms (Main > View Alarms)
    108
  - Clearing CSM Alarms
    109
  - Clearing Chiller Alarms
    109
  - CSM Alarms and Their Effect on System Control
    109
  - Table 25. CSM Alarms
    109
  - Fault Alarms
    111
  - Problem Alarms
    112
  - Warning Alarms
    116
Troubleshooting

118
- Using Status Leds
  118
  - Figure 48. Main Board Layout
    118
  - Ethernet Port
    119
  - Heartbeat
    119
  - Lon Port
    119
  - Serial Ports
    119
- Troubleshooting the Pc's Connection to the CSM
  119
Appendix A: Hardwired Chiller Control

126
Index

134

McQuay MicroTech II Operation Manual (109 pages)

Applied Rooftop Unit Controller Space Comfort Control (SCC) Used with McQuay models: RPS, RFS, RCS, RPR, RFR, RDT, RDS, RAR and RAH

Brand: McQuay | Category: Controller | Size: 2.44 MB

Table of Contents
2
Introduction

4
Getting Started

6
- Using the Keypad/Display
  6
  - Menu Structure
    6
  - Display Format
    10
  - Password Protection
    10
  - Keypad Functions
    11
  - Keypad/Display Exercises
    11
- Keypad/Display Menu Reference
  13
  - System Summary
    13
  - Airflow
    16
  - Temperature
    17
  - Humidity
    23
  - Schedules
    24
  - Setup/Service
    26
  - Active Alarms
    38
  - Previous Alarms
    42
Operator's Guide

43
- Determining Unit Status
  43
  - Unitstatus
    43
  - Clg Capacity
    43
  - Htg Capacity
    43
  - Clg Status
    43
  - Htg Status
    44
- Auto/Manual Operation
  45
  - Ctrl Mode
    45
  - Appl Mode
    45
  - Occupancy
    46
  - Occ Mode
    46
  - Occ Src
    47
  - Bypass Time (Tenant Override)
    48
  - Emergency Override
    48
- Scheduling
  48
  - Setting Controller Date and Time
    49
  - Internal Daily Scheduling
    49
  - Holiday Scheduling
    49
  - One Event Scheduling
    49
  - Optimal Start
    50
  - External Time Scheduling
    51
  - Network Time Scheduling
    51
- Alarm Monitoring
  51
  - About Alarms
    51
  - Remote Alarm Indication
    52
  - Local Alarm Indication (Keypad/Display)
    53
  - Remote Alarm Clearing
    54
  - Configuring Remote Alarm Output
    54
  - Setting Alarm Limits
    56
- Unit Configuration/Service Parameters
  56
  - Calibrate Mode
    56
  - Zone (Space) Temperature Sensor
    56
  - Miscellaneous Service Parameters
    57
  - Control Timer Settings
    58
  - Manual Output Control
    59
Description of Operation

61
- Operating States and Sequences
  61
- Startup Control
  64
  - Before Startup
    64
  - Fan Startup
    65
- Heat/Cool Changeover
  65
  - Temperature Control
    66
- 0-30% Outdoor Air Damper Control
  68
  - Minimum Ventilation Control
    68
- Economizer
  68
- Cooling: Multistage
  72
  - Temperature Control
    72
  - Low Ambient Cooling Lockout
    73
  - Compressor Staging
    73
  - Condenser Fan Control
    76
  - Circuit Pumpdown
    76
- Cooling: Modulating
  77
  - Temperature Control
    77
- Heating: Multistage
  78
  - Temperature Control
    78
  - Morning Warm-Up Control
    79
  - High Ambient Heating Lockout
    79
  - Discharge Air Low Limit Control
    80
- Heating: Modulating
  80
  - Temperature Control
    80
  - Morning Warm-Up Control
    83
  - High Ambient Heating Lockout
    84
  - Discharge Air Low Limit Control
    84
- Dehumidification
  85
- Energy Recovery
  86
- Return Fan Capacity Control
  88
- Unoccupied Control
  89
  - Unoccupied Heating (Night Setback)
    89
  - Unoccupied Cooling (Night Setup)
    90
  - Purge
    90
- Alarm Control
  91
  - Faults
    91
  - Problems
    92
  - Warnings
    97
Microtech II DDC Features

99
- Direct PID Method
  99
- Cascaded PID Method
  99
- PID Control Parameters
  100
  - Period
    100
  - Proportional Band and Integral Time
    100
- Adjusting PID Control Parameters
  100
- Correcting System Instability ("Hunting")
  100
- Correcting System "Sluggishness
  101
Software Identification and Configuration

102
Troubleshooting

105

McQuay MicroTech II Installation Manual (58 pages)

Chiller System Manager (CSM)

Brand: McQuay | Category: Control Unit | Size: 1.29 MB

McQuay MicroTech II Installation And Maintenance Manual (48 pages)

Vertical Self-Contained Systems Unit Controller

Brand: McQuay | Category: Controller | Size: 6.36 MB

Table of Contents
2
Introduction
3
General Description
4
Component Data
4
Main Control Board (MCB)
5
Analog Inputs Terminal Blocks
6
Binary Inputs Terminal Blocks
6
Binary Outputs Terminal Blocks
6
RS-485 Communications Terminal Block
6
Power Supply Terminals
6
Keypad/Lcd Display Connection
6
Communication Modules
6
Plug-In Bacnet/Ip Communications Module
6
Plug-In Bacnet MS/TP Communications Module
6
Lonworks® Communication Modules
7
RS-232 Connection Port
7
15 VDC Supply Connection
7
Main Control Board Leds
8
Auxiliary Control Boards (Ccb1And CCB2)
8
Analog Inputs Terminal Block (J8)
9
Binary Inputs Terminal Blocks (J9 and J10)
9
Binary Outputs Terminal Block
10
RS-485 Communications Module
10
Power Supply Terminals (J1)
10
J7 Terminal Block
10
J2 Terminal Block
10
Main Control Board (MCB) Output Relays and Triacs
10
Auxiliary Control Boards (CCB1 and CCB2) Output Relays
10
Keypad/Display
10
Temperature Sensors
11
Pressure Transducers
11
Humidity Sensors
11
Actuators
11
Adjustable Frequency Drives (Afds)
11
Field Wiring
12
Field Output Signals
12
Outside Air Damper
12
Fan Operation Output
12
Remote Alarm Output
12
VAV Box Output
13
Cooling-Only Units
13
Cooling-Only Units with Field Supplied Heat
13
Units with Staged Heat
13
Units with Modulating Heat
14
Pump Start Output
14
Field Analog Input Signals
14
Zone Temperature Sensor Packages
14
Zone Sensor Without Remote Setpoint Adjustment
14
Zone Sensor with Remote Setpoint Adjustment
14
Tenant Override (Timed)
15
External Discharge Air Reset Signal
15
Field Actuator Feedback
16
Field 100% OA Damper Actuator
16
Humidity Sensors
17
Humidity Sensor-Discharge Air Control (DAC) Unit
17
Field Binary Input Signals
18
Manual Cooling and Heating Enable
18
Cooling Enable
18
Heating Enable
18
Manual Unit Enable
18
External Time Clock or Tenant Override
18
Miscellaneous Output Signals
18
Service Information
19
Controller Inputs
19
Analog Inputs-Main Control Board (MCB)
19
Analog Inputs-Auxiliary Control Boards (CCB1 and CCB2)
21
Binary Inputs-Main Control Board (MCB)
21
Binary Inputs-Auxiliary Control Boards (CCB1 and CCB2)
21
CCB1 and CCB2
22
Controller Outputs
23
Binary Outputs-Main Control Board (MCB)
23
Binary Outputs-Auxiliary Control Boards (CCB1 and CCB2)
24
Ccb1 & Ccb2
24
Compressors-2 Stages
24
Compressors-3 Stages
25
Compressors-4 Stages
25
Small Compressors & 1 Large Compressor-5 Stages
25
Small Compressors & 2 Large Compressors-6 Stages
25
Compressors-6 Stages
26
Software Identification and Configuration
27
Main Control Board (MCB) Configuration
27
Main Control Board (MCB) Data Archiving
28
Keypad/Display Objects
28
Typical Wiring Diagrams
29
Test Procedures
37
Troubleshooting Main Control Board (MCB)
37
MCB Battery
37
MCB Data Archiving
37
MCB "Cold" Reboot
37
MCB LED Power-Up Sequence
38
MCB LED Startup Error Codes
39
Battery Test
40
Flash CRC Tests
40
SRAM Test
41
Communication Port Tests
41
IP Register Test
41
Troubleshooting Auxiliary Control Boards (Ccb1And CCB2)
41
Hardware Check
41
RS-485 Communication Module Status Leds
41
Troubleshooting Keypad/Display
42
Keypad/Display Power up Initialization
42
Troubleshooting Temperature Sensors
43
Troubleshooting Communications Cards
43
Bacnet/Ip Module
44
Bacnet MS/TP Module
44
Lonmark Module
44
Troubleshooting Static Pressure Transducers
44
Troubleshooting Refrigerant Pressure Transducers
46
Parts List
47

McQuay MicroTech II Operation & Maintenance Manual (32 pages)

Unit Ventilator Controls for AAF® -HermanNelson® Classroom Unit Ventilators

Brand: McQuay | Category: Remote Control | Size: 2.17 MB

Table of Contents
2
Abbreviations Table

3
Safety Information

4
Introduction

5
Getting Started

5
- Using the Local User Interface (LUI)
  5
- LUI Menu Reference
  7
  - Changing an LUI Menu Item
    7
Description of Operation

9
- State Programming
  9
- UVC Unit Modes
  10
  - Off Mode
    10
  - Night Purge Mode
    10
  - Fan Only Mode
    11
  - Emergency Heat Mode (Super State)
    11
    
    Full Heat State
    11
    
    Cant Heat State
    12
  - Auto Mode
    12
  - Heat Mode (Super State)
    12
    
    Heat State
    13
    
    Low Limit State
    13
    
    Cant Heat State
    13
  - Cool Mode (Super State)
    14
    
    Econ State
    15
    
    Econ Mech State
    15
    
    Mech State
    16
    
    Cant Cool State
    16
    
    DA Heat State
    16
    
    Low Limit State
    16
    
    Active Dehumidify State
    17
    
    Software Model 04)
    17
  - Special Purpose Unit Modes
    17
    
    Pressurize Mode
    17
    
    Depressurize Mode
    17
    
    Purge Mode
    17
    
    Shutdown Mode
    17
    
    Energy Hold off Mode
    17
  - UVC Unit Mode Priority
    17
- Occupancy Modes
  18
  - Occupied Mode
    19
  - Unoccupied Mode
    19
  - Standby Mode
    19
  - Bypass Mode
    19
  - Networked Occupancy Sensor Capability
    19
  - Unit-Mounted Time-Clock
    19
  - Unit-Mounted Tenant Override Switch
    19
  - Remote Wall-Mounted Sensor Tenant Override Switch
    19
  - Remote Wall-Mounted Sensor Status LED
    19
- Space Temperature Setpoints
  19
- PI Control Loops
  21
  - Discharge Air Temperature Control
    21
  - PI Control Parameters
    22
  - Proportional Band
    22
  - Integral Time
    22
- Indoor Air Fan Operation
  23
  - Auto Mode
    23
  - Occupied, Standby and Bypass Operation
    23
  - Unoccupied Operation
    23
  - Cycle Fan
    23
  - Off Delay
    23
- Outdoor Air Damper Operation
  23
- Compressor Operation
  24
  - Compressor Envelope
    24
  - Compressor Cooling Lockout
    25
  - Minimum on and off Time
    25
  - Compressor Start Delay
    25
  - Outdoor Air Fan Operation
    25
- Floating-Point Actuator Auto-Zero, Overdrive and Sync
  25
- External Binary Inputs
  25
- External Binary Outputs
  26
  - External Binary Output 1
    26
    
    Lights On/Off Signal
    26
  - External Binary Output 2
    26
    
    Fault Signal
    26
  - External Binary Output 3
    26

McQuay MicroTech II Installation And Maintenance Manual (52 pages)

Vertical Self-contained Systems Unit Controller, Used with McQuay models: SWP and SWT

Brand: McQuay | Category: Controller | Size: 3.09 MB

McQuay MicroTech II Installation And Maintenance Manual (16 pages)

Chiller Unit Controller LonWorks Communication Module

Brand: McQuay | Category: Controller | Size: 0.4 MB

McQuay MicroTech II Installation And Maintenance Manual (13 pages)

Brand: McQuay | Category: Chiller Control System | Size: 0.47 MB

McQuay Categories

Air Conditioner Chiller Heat Pump Controller Air Handlers

More McQuay Manuals

McQuay MicroTech II Manuals

Table of Contents

Introduction

Getting Started

Connecting Chillers and Remote I/O to the CSM

Configuring the Chiller System Manager

Operator's Guide

Troubleshooting

Appendix A: Hardwired Chiller Control

Index

Table of Contents

Introduction

Getting Started

Operator's Guide

Description of Operation

Microtech II DDC Features

Software Identification and Configuration

Troubleshooting

Table of Contents

Introduction

General Description

Panel Location and Mounting

Field Wiring

Modems

Initial Checkout and Troubleshooting

Appendix A: Hardwired Chiller Control

Maintenance

Warranty

Index

Table of Contents

Table of Contents

Abbreviations Table

Safety Information

Introduction

Getting Started

Description of Operation

Table of Contents

Introduction

General Description

Field Wiring

Service Information

Typical Wiring Diagrams

Test Procedures

Parts List

Table of Contents

General Information

Installation

Integration

Service Information

Table of Contents

General Information

Installation

Integration

Service Information

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