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Mini-Mate2 MMD24E
Liebert Mini-Mate2 MMD24E Manuals
Manuals and User Guides for Liebert Mini-Mate2 MMD24E. We have
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Liebert Mini-Mate2 MMD24E manuals available for free PDF download: User Manual
Liebert Mini-Mate2 MMD24E User Manual (80 pages)
2 & 3 Tons, 50 & 60Hz
Brand:
Liebert
| Category:
Air Conditioner
| Size: 3 MB
Table of Contents
Table of Contents
3
Important Safety Instructions
9
Save These Instructions
9
Figure 1 Model Number Nomenclature-Evaporator Units
11
Figure 2 Model Number Nomenclature-Air-Cooled, Indoor Condensing Units
11
Product Number Nomenclature
11
Figure 3 Model Number Nomenclature-Outdoor Air-Cooled Prop Fan Condensing Units
12
Figure 4 Model Number Nomenclature-Water/Glycol-Cooled Condensing Units
12
Figure 5 Model Number Nomenclature-Chilled Water Units
13
1 Introduction
14
Designed to Match Computer and Electronic Equipment Needs-From Installation
14
To Operation
14
2 Standard Features -2 & 3 Ton Systems
15
Evaporator Section - Split Systems
15
Condensing Unit Section-Split Systems
15
Indoor Centrifugal Fan Condensing Units
15
Outdoor Prop Fan Condensing Units
15
Indoor Water/Glycol Condensing Units
15
Chilled Water Units
15
System Controls
16
Other Standard Control Features
16
Figure 6 Wall-Box
16
3 Optional Factory-Installed Features-Evaporator/Chilled Water Units
17
Reheat
17
Humidifier
17
Sensors
17
Switches and Motors
17
Free-Cooling
18
Optional Configurations-Prop Fan Condensing Units
18
Optional Configurations-Water/Glycol Condensing Units
18
Optional Configurations-Chilled Water Units
18
Figure 7 Free-Cooling Arrangement
18
4 Ship -Loose Accessories -Field -Installed
19
Remote Monitoring, Autochangeover and Leak Detection Equipment
20
5 Site Preparation and Installation
21
Installation Considerations
21
System Configurations
21
Table 1 System Configurations - 60Hz
21
Table 2 System Configurations - 50Hz
21
Table 3 Application Limits, Evaporator and Chilled Water Units
21
Table 4 Application Limits, Indoor and Outdoor Air-Cooled Condensing Units
21
Table 5 Application Limits, Indoor Water/Glycol-Cooled Condensing Units
21
Room Preparation
22
Location Considerations
22
Figure 8 Air-Cooled Systems, 2 and 3 Tons
23
Figure 9 Water/Glycol-Cooled Systems, 2 and 3 Tons
23
Figure 10 Chilled Water Systems, 3 Tons
23
Ceiling Unit Weights
24
Equipment Inspection-Upon Receipt
24
Packaging Material
24
Installing the Ceiling Units
24
Table 6 Ceiling Unit Weights
24
Close-Coupled Installations
25
Evaporator Air Distribution
25
Figure 11 Threaded Rod and Hardware Kit Installation
25
Piping Connections and Coolant Requirements
26
Table 7 Cooling Unit Air Flow at 0.3 IWG (75PA) ESP
26
Figure 12 Refrigerant Piping Diagram
29
Table 10 Line Charges - Refrigerant Per 100 Ft. (30M) of Type L Copper Tube
30
Table 11 Refrigerant Charge in Liebert Pre-Charged R-407C Line Sets
30
Table 12 Equivalent Lengths for Various Pipe Fittings, Ft (M)
30
Table 8 Recommended Refrigerant Line Sizes
30
Table 9 Pipe Length and Condenser Elevation Relative to Evaporator
30
Table 13 Refrigerant Charge
31
Table 14 Connection Sizes and Torque
31
Figure 13 Dimensions, Evaporator and Chilled Water Units with Direct Drive Blower
32
Table 15 Net Weights-Evaporator and Chilled Water Units
32
Figure 14 Dimensions, Evaporator Units with Optional Belt Drive Blower Assembly
33
Table 16 Net Weight, High Static Blower Module
33
Figure 15 Evaporator and Chilled Water Unit Piping Data
34
Condensate Pump Kit Installation-All Units
35
Electrical Connections
35
Figure 16 Evaporator and Chilled Water Unit Electrical Connections
37
Indoor Air-Cooled Centrifugal Fan Condensing Unit Installation
38
Location Considerations
38
Electrical Connections
38
Figure 17 Close-Coupled Installation
38
Piping Connections
39
Ducting
39
Table 17 Indoor Condensing Unit Airflow, CFM at 0.5 Iwg Esp
39
Figure 18 Indoor Air-Cooled Centrifugal Condenser Dimensions and Pipe Connections
40
Table 18 Centrifugal Condenser Dimensions, Weights
40
Figure 19 Centrifugal Condenser Electrical Connections
41
Outdoor Air Cooled Condensing Unit Installation
42
Location Considerations
42
Figure 20 Cabinet and Floor Planning Dimensional Data, Outdoor Condensing Unit
42
Piping Connections
43
Electrical Connections
43
Table 19 Dimensions and Net Weights-Air-Cooled Outdoor Condensing Units
43
Water and Glycol Cooled Condensing Unit
44
Location Considerations
44
Figure 21 General Arrangement (Air- Cooled Condensing Unit)
44
Figure 22 Cabinet Dimensions and Piping Data, Water/Glycol Indoor Condensing Module
45
Table 20 Net Weight, Indoor Water/Glycol-Cooled Condensing Unit
45
Electrical Connections
46
Piping Connections
46
Figure 23 General Arrangement, Water/Glycol Split Systems
47
Optional Equipment Piping
48
Free-Cooling Coil
48
Figure 24 Optional Free-Cooling Coil (3-Way Valve) on Water/Glycol Units
48
Hot Water Reheat Coil
49
Figure 25 Optional Hot Water Reheat (Two-Way Valve)
49
Checklist for Completed Installation
50
6 Microprocessor Control
51
Feature Overview
51
Figure 26 Control Key Locations-All-Mounted Display Box
51
Main Menu <Menu
52
Setpoints
52
Table 21 View Default Setpoints and Allowable Ranges
52
Status
53
Active Alarms
53
Time
53
Date
53
Setback
53
Table 22 Microprocessor Night and Weekend Setback
53
Setup Operation
54
Restart Time Delay
54
C/F Degrees
54
Humidity Control Method
54
Change Passwords
54
Table 23 Setup Functions, Default Values and Allowable Ranges
54
Calibrate Sensors
55
Alarm Enable
55
Alarm Time Delay
55
Common Alarm Enable
55
Table 24 Alarm Default Time Delays
55
Custom Alarms
56
6.15.1 Standard Custom Alarm Messages
56
Custom Text
56
Table 25 Switch Settings (Wall Box Board)
57
Table 26 Equipment Switch Settings (Unit Control Board)
57
Run Diagnostics (Available on Rev 1.001.0 and Higher)
58
Figure 27 Control Menu
59
Figure 28 Control Board (Inside Evaporator)
60
Figure 29 Wall Box Board
60
7 System Performance Microprocessor Controls
61
Temperature Control
61
Cooling/Heating Required
61
Cooling Operation (Cooling, Compressorized Direct Expansion and Chilled Water)
61
Table 27 Cooling and Dehumidification Load Response of Hot Gas Bypass
61
Heating Operation
62
Figure 30 Ground Current Detector
62
Humidity Control
63
Dehumidification/Humidification Required
63
Dehumidification Operation, Compressorized Direct Expansion (DX) Systems
63
Humidification Operation
63
Load Control Features
63
Communication
63
8 Alarms
64
Standard Alarms: Definitions and Troubleshooting
64
Custom Alarms
64
High Head Pressure
64
Humidity Level
65
Temperature
65
Humidifier Problem Alarm
65
High Water Alarm
65
Loss of Power
65
Short Cycle
66
Optional/Custom Alarms
66
Change Filter
66
High Temperature Sensor
66
Smoke Detected
66
9 System Testing and Maintenance
67
System Testing
67
Environmental Control Functions
67
Cooling
67
Heating
67
Humidification
67
Dehumidification
67
High Temperature Sensor-Optional
67
Smoke Detector Sensor
67
Remote Shutdown
67
Maintenance
68
Electric Panel
68
Filters
68
Direct Drive Blower Package
68
High Static Belt Drive Blower Package (Option)
69
Refrigeration System
69
Table 28 External Static Pressure Available
69
Table 29 Typical Discharge Pressure
69
Figure 31 Hot Gas Bypass
71
Humidifier Circuit Board Adjustments
72
Replacement Procedures
73
Compressor Replacement
73
Table 30 DIP Switch Settings for Humidifier Control Board
73
Electrical Failure
74
Replacing the Humidifier Canister
75
10 Maintenance Inspection Checklist
76
11 Troubleshooting
77
Table 31 Troubleshooting
77
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Liebert Mini-Mate2 MMD24E User Manual (72 pages)
8 Tons, 50 & 60Hz
Brand:
Liebert
| Category:
Humidifier
| Size: 4 MB
Table of Contents
Table of Contents
3
Model Number Nomenclature
7
1 Product Features
9
Standard Product Features
9
Controls
9
Evaporator System Components
9
Condensing Unit Components
9
Optional Equipment
10
Canister Humidifier
10
Electric Reheat
10
SCR Electric Reheat
10
Hot Gas Bypass (Condensing Units)
10
Free-Cooling Coil (GLYCOOL)
10
Smoke Detector
10
Firestat
10
Filter Clog
10
Ancillary (Ship Loose Accessories)
11
Single Point Power Kit
11
Refrigerant Line Sweat Adapter Kits
11
Return Air Filter Box with Duct Collar Kit
11
Condensate Pump Kit
11
Remote Monitoring and Control
11
Remote Sensors
11
2 Site Preparation and Installation
12
Installation Considerations
12
Room Preparation
12
Table 1 Application Limits, Evaporator and Chilled-Water Units
12
Table 2 Application Limits, Indoor and Outdoor Air-Cooled Condensing Units
12
Table 3 Application Limits, Indoor Water/Glycol-Cooled Condensing Units
12
Table 1
12
Location Considerations
13
Figure 1 System Configurations-Air Cooled Systems
14
Figure 2 System Configurations-Water/Glycol Systems
14
System Weights
15
Equipment Inspection Upon Receipt
15
Figure 3 System Configurations-Chilled Water Systems
15
Table 4
15
Table 4 Unit Weights
15
Installing the Evaporator or Chilled-Water Units
16
Figure 4 Threaded Rod and Hardware Kit Installation
16
Close Coupled Installations
17
Figure 5 Close Coupled Installation
17
Evaporator Air Distribution
18
Table 5 Evaporator External Static Pressure (60) at 3750 CFM (6371 CMH)
18
Figure 6 Drain Installation
19
Piping Connections and Coolant Requirements
19
Figure 7 Condensate Pump Installation
20
Figure 8 General Arrangement Diagram - Chilled-Water Systems
21
Figure 9 Refrigerant Piping Diagram
22
Table 6 Recommended Refrigerant Line Sizes
22
8-Ton Unit Refrigerant Charge
23
Line Charges (Field Piping)
23
Quick Connect Fittings
23
Table 7
23
Table 8 Line Charges (Field Piping)
23
Table 9 Refrigerant Quick Connect Sizes and Torque
23
Figure 10 Evaporator or Chilled-Water Unit Dimensional Data
24
Electrical Connections, Evaporator or Chilled-Water Unit
25
Power Connections
25
Figure 11 Evaporator Unit Electrical Connections
26
Indoor Air-Cooled Centrifugal Fan Condensing Unit Installation
27
Location Considerations
27
Ducting
27
General Considerations
27
Piping Connections
28
Figure 12 Piping Connections - Indoor Air-Cooled Centrifugal Fan Condensing Unit
28
Electrical Connections - Condensing Unit
28
Control Connections
28
Figure 13 Indoor Air-Cooled Centrifugal Condensing Unit Dimensions and Pipe Connections
29
Figure 14 Indoor Air-Cooled Centrifugal Condenser Electrical Connections
30
Outdoor Air-Cooled Condensing Unit Installation
31
Location Considerations
31
Piping Connections
31
Electrical Connections
31
Figure 15 Electrical Field Connections - Outdoor Condensing Unit
32
Figure 16 Footprint Dimensions - Outdoor Condensing Unit
33
Figure 17 Piping and Electrical Connections - Outdoor Condensing Unit
34
Indoor Water- and Glycol-Cooled Condensing Unit Installation
35
Location Considerations
35
Piping Connections
35
Electrical Connections
35
Figure 18 Indoor Water/Glycol Condensing Unit Dimensional Data
36
Figure 19 Indoor Water/Glycol Condensing Unit Electrical Field Connections
37
Figure 20 System Piping with Indoor Water/Glycol-Cooled Condensing Unit
38
Optional Equipment Piping
39
Free-Cooling Coil (GLYCOOL)
39
Figure 21 Optional Free Cooling Coil (3-Way Valve) on Water/Glycol Units
39
Figure 22 Optional Free Cooling Coil (3-Way Valve) on Air-Cooled Units
40
Checklist for Completed Installation
41
3 Microprocessor Control
42
Feature Overview
42
Figure 23 Wall Box
42
Main Menu <Menu
43
Setpoints
44
Status
44
Active Alarms
44
Alarm History
44
Table 10 Default Setpoints and Allowable Ranges
44
Time
45
Date
45
Setback
45
Setup Operation
45
Restart Time Delay
45
Table 11 Night and Weekend Setback Plan
45
3.10.2 C/F Degrees
46
3.10.3 Humidity Control Method
46
3.10.4 Lead Compressor
46
3.10.5 Show DIP Switch
46
Valve Time (for Systems with a Modulating Chilled-Water Valve)
46
CW Flush (for Systems with a Modulating Chilled-Water Valve)
47
Change Passwords
47
Calibrate Sensors
47
Alarm Enable
47
Table 12 Setup Functions, Default Values and Allowable Ranges
47
Alarm Time Delay
48
Common Alarm Enable
48
Custom Alarms
48
Table 13 Alarm Default Time Delays
48
Table 15 Switch Settings (Wallbox Board)
49
Custom Text
49
Table 14 Equipment Switch Settings (Unit Control Board)
49
Nonvolatile Memory
49
Run Diagnostics
50
Test Outputs
50
Test Inputs
50
Figure 24 Control Menu
51
Figure 25 Control Board (Inside Evaporator)
52
Figure 26 Wall Box Board
52
4 System Performance Microprocessor Controls
53
Control Type Response Proportional Control
53
Cooling
53
Multi-Step Cooling, Compressorized Direct Expansion (DX) Systems
53
Chilled-Water Cooling (8 Ton)
53
GLYCOOL Cooling (8 Ton)
53
Reheat
53
Electric Reheat - Staged
53
SCR Electric Reheat
53
Dehumidification / Humidification Percent Required
54
Staged Dehumidification, Compressorized Direct Expansion (DX) Systems
54
Humidification Operation
54
Dehumidification Lockout
54
Load Control Features
54
Communications
54
5 Alarms
55
Alarms: Definitions and Troubleshooting
55
Custom Alarms
55
High Head Pressure
55
Humidity
56
Temperature
56
Humidifier Problem Alarm
56
High-Water Alarm
56
Loss of Power
56
Short Cycle
56
Optional/Custom Alarms
57
Change Filter
57
Firestat
57
Smoke Detector
57
6 System Operation , Testing , and Maintenance
58
System Testing
58
Environmental Control Functions
58
Cooling
58
Heating
58
Humidification
58
Dehumidification
58
Remote Shutdown
58
Maintenance and Component Operation
59
Electric Panel
59
Filters
59
Blower System
59
Air Distribution
59
Electric Reheat
60
Refrigeration System
60
Suction Pressure
60
Air-Cooled Condensing Units
60
Table 16 Typical Discharge Pressures
60
Glycol Solution Maintenance
61
Replacement Procedures
62
Steam Generating Humidifier - Operation Procedures
63
Circuit Board Adjustments
64
Table 17 Humidifier Control Board DIP Switch Settings
64
7 Maintenance Inspection Checklist
65
8 Troubleshooting
66
Table 18 Troubleshooting
66
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