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Manuals and User Guides for Emerson Liebert DS/VSHR. We have
1
Emerson Liebert DS/VSHR manual available for free PDF download: User Manual
Emerson Liebert DS/VSHR User Manual (167 pages)
Brand:
Emerson
| Category:
Heat Pump
| Size: 5.65 MB
Table of Contents
Table of Contents
3
Important Safety Instructions
11
Save These Instructions
11
1 Liebert Ds Components and Nomenclature
13
Figure 1 Downflow Model Component Locations
13
Figure 2 Upflow Model Component Locations
14
Figure 3 Liebert DS Model Number Nomenclature
15
2 Cooling Configurations
16
3 Pre-Installation Guidelines
17
Room Preparation
17
Air Distribution-Downflow Units
17
Figure 4 Downflow Unit Ducting and Plenum Ducting
17
Air Distribution-Upflow Units
18
Figure 5 Upflow Ducting Configurations
18
Connections and System Setup
19
Operating Conditions
19
4 Liebert Ds Dimensions and Weights
20
Table 1 Shipping Dimensions-Domestic and Export, Inches (MM)
20
Table 2 Shipping Weights-Approximate, Kg
20
Figure 6 Cabinet and Floor Planning Dimensions-Downflow, Air-Cooled, 28-42Kw (8-12 Ton)
21
Semi-Hermetic Compressor Models
21
Table 3 Weights for Downflow, Air-Cooled, 28-42Kw (8-12 Ton), Semi-Hermetic Compressor Models
21
Scroll Compressor Models
22
Table 4 Weights for Downflow, Air-Cooled, 28-42Kw (8-12 Ton), Scroll Compressor Models
22
(8-12 Ton), All Compressor Models
23
Figure 8 Cabinet and Floor Planning Dimensions-Downflow, Water/Glycol/Glycool, 28-42Kw
23
Table 5 Weights for Downflow, Water/Glycol/Glycool, 28-42Kw (8-12 Ton), All Compressor Models
23
Figure 9 Cabinet and Floor Planning Dimensions-Downflow, Air-Cooled, 53-77Kw (15-22 Ton)
24
Semi-Hermetic Compressor Models
24
Table 6 Weights for Downflow, Air-Cooled, 53-77Kw (15-22 Ton), Semi-Hermetic Compressor Models
24
Scroll Compressor Models
25
Table 7 Weights for Downflow, Air-Cooled, 53-77Kw (15-22 Ton), Scroll Compressor Models
25
(15-22 Ton), All Compressor Models
26
Figure 11 Cabinet and Floor Planning Dimensions-Downflow, Water/Glycol/Glycool, 53-77Kw
26
Models
26
Table 8 Weights for Downflow, Water/Glycol/Glycool, 53-77Kw (15-22 Ton), All Compressor
26
Compressor Models
27
Figure 12 Cabinet and Floor Planning Dimensions-Downflow, Air-Cooled, 105Kw (30 Ton), All
27
Table 9 Weights for Downflow, Air-Cooled, 105Kw (30 Ton), All Compressor Models
27
(30 Ton), All Compressor Models
28
Figure 13 Cabinet and Floor Planning Dimensions-Downflow, Water/Glycol/Glycool, 105Kw
28
Table 10 Weights for Downflow, Water/Glycol/Glycool, 105Kw (30 Ton), All Compressor Models
28
Figure 14 Cabinet and Floor Planning Dimensions-Upflow, Air-Cooled 28-42Kw (8-12 Ton)
29
Semi-Hermetic Compressor Models
29
Table 11 Weight for Upflow, Air-Cooled, 28-42Kw (8-12 Ton), Semi-Hermetic Compressor Models
29
Models
30
Scroll or Digital Scroll Compressor Models
30
Table 12 Weight for Upflow, Air-Cooled, 28-42Kw (8-12 Ton), Scroll or Digital Scroll Compressor
30
(8-12 Ton), All Compressor Models
31
Figure 16 Cabinet and Floor Planning Dimensions-Upflow, Water/Glycol/Glycool, 28-42Kw
31
Table 13 Weights for Upflow, Water/Glycol/Glycool, 28-42Kw (8-12 Ton), All Compressor Models
31
Figure 17 Cabinet and Floor Planning Dimensions-Upflow, Air-Cooled, 53-77Kw (15-22 Ton)
32
Semi-Hermetic Compressor Models
32
Table 14 Weights for Upflow, Air-Cooled, 53-77Kw (15-22 Ton), Semi-Hermetic Compressor Models
32
Models
33
Scroll or Digital Scroll Compressor Models
33
Table 15 Weight for Upflow, Air-Cooled, 53-77Kw (15-22 Ton), Scroll or Digital Scroll Compressor
33
(15-22 Ton), All Compressor Models
34
Figure 19 Cabinet and Floor Planning Dimensions-Upflow, Water/Glycol/Glycool, 53-77Kw
34
Table 16 Weights for Upflow, Water/Glycol/Glycool, 53-77Kw (15-22 Ton), All Compressor Models
34
Figure 20 Cabinet and Floor Planning Dimensions-Upflow, Air-Cooled, 105Kw (30 Ton), All
35
Table 17 Weights-Upflow, Air-Cooled, 105Kw (30 Ton), All
35
All Compressors
36
Figure 21 Cabinet and Floor Planning Dimensions-Upflow Water/Glycol/Glycool 105Kw (30 Ton)
36
Table 18 Weights-Upflow Water/Glycol/Glycool 105Kw (30 Ton), All Compressors
36
Figure 22 Floor Stand Dimensions-Downflow, 28-42Kw (8-12 Ton) Models
37
Table 19 Floor Stand and Floor Planning Dimensions-Downflow, 28-42Kw (8-12 Ton) Models
37
Figure 23 Floor Stand Dimensions-Downflow, 53-77Kw (15-22 Ton) Models
38
Table 20 Floor Stand and Floor Planning Dimensions-Downflow, 53-77Kw (15-22 Ton) Models
38
EC Fans
39
Figure 24 Floor Stand and Floor Planning Dimension, Downflow 53-77Kw (15-22 Tons) Models with
39
With EC Fans
39
Figure 25 Floor Stand Dimensions-Downflow, 105Kw (30 Ton) Models
40
Table 22 Floor Stand and Floor Planning Dimensions-Downflow, 105Kw (30 Ton) Models
40
EC Fans
41
Figure 26 Floor Stand and Floor Planning Dimension, Downflow 105Kw (30 Tons) Models with EC Fans
41
Figure 27 Blower Outlet and Deck Dimensions-Upflow, 28-42Kw (8-12 Ton)
42
Table 24 Blower Outlet and Deck Dimensional Data for Upflow, 28-42Kw (8-12 Ton)
42
Figure 28 Blower Outlet and Deck Dimensions-Upflow, 53-77Kw (15-22 Ton)
43
Table 25 Blower Outlet and Deck Dimensional Data Upflow, 53-77Kw (15-22 Tons)
43
Figure 29 Blower Outlet and Deck Dimensions-Upflow 105Kw (30Ton)
44
Table 26 Blower Outlet and Deck Dimensions-Upflow 105Kw (30Ton)
44
Figure 30 Rear Return Filter Box Dimensions
45
Table 27 Rear Return Filter Box Dimensions
45
Figure 31 Upflow Unit Plenum Dimensions
46
Table 28 Upflow Unit Plenum Dimensions
46
5 Equipment Inspection and Handling
47
Packaging Material
47
Safety Information
47
Figure 32 Equipment Recommended for Handling Liebert DS
47
Unpacking the Unit
48
Figure 33 Removing Packaging
48
Figure 34 Remove the Unit from the Skid
49
Removing the Unit from the Skid with a Forklift
49
Figure 35 Moving the Unit to Its Installation Location
50
Moving the Unit to the Installation Location with Piano Jacks
50
Removing Piano Jacks
50
Figure 36 Locate Center of Gravity Marker and Place Slings
51
Removing Liebert DS from Skid Using Rigging
51
Figure 37 Using Rigging to Lift Liebert DS off Skid
52
Semi-Hermetic Compressor Spring Isolation System
53
Placing the Unit on a Floor Stand
53
Figure 38 Setting the Unit on a Floor Stand
53
6 Ec Fans -Lowering and Removing
54
Lowering the EC Fans into the Floor Stand
54
Figure 39 Lowering EC Fans into Floor Stand, Steps 1 through 6
55
Figure 40 Lowering EC Fans into Floor Stand, Steps 7 through 9
56
Removing the EC Fans
57
Figure 41 Removing the EC Fans, Steps 1 through 5
58
Figure 42 Removing the EC Fans, Steps 6 through 9
59
7 Disassembling the Liebert Lds for Transport
60
Required Equipment
60
Disassembly-Downflow Units
61
Remove the Compressor Assembly
62
Remove the Filter and Electric Box Assembly
63
Reassembly-Downflow Units
63
Reconnecting Piping, Charging and Replacing Panels
64
Reassembly Checklist
64
Compressor Models
65
Figure 43 Component Dimensions-Downflow, Air-Cooled, 28-42Kw (8-12 Ton), Semi-Hermetic
65
Table 29 Component Weights-Downflow, Air-Cooled, 28-42Kw (8-12 Ton), Semi-Hermetic
65
Compressor Models
66
Figure 44 Component Dimensions-Downflow, Air-Cooled, 28-42Kw (8-12 Ton), Scroll/Digital Scroll
66
Table 30 Component Weights-Downflow, Air-Cooled, 28-42Kw (8-12 Ton), Scroll/Digital Scroll
66
Compressor Models
67
Table 31 Component Weights-Downflow, Water/Glycol/Glycool, 28-42Kw (8-12 Ton), All
67
Compressor Models; Forward-Curved and EC Fan
68
Forward-Curved and EC Fan
68
Table 32 Component Weights-Downflow, Air-Cooled, 53-77Kw (15-22 Ton), Semi-Hermetic
68
Compressor Models; Forward-Curved and EC Fan
69
Figure 47 Component Dimensions-Downflow Air-Cooled, 53-77Kw (15-22 Ton), Scroll/Digital Scroll
69
Table 33 Component Weights-Downflow, Air-Cooled, 53-77Kw (15-22 Ton), Scroll/Digital Scroll; for
69
Compressor Models; Forward-Curved and EC Fan
70
Figure 48 Component Dimensions-Downflow Water/Glycol, GLYCOOL, 53-77Kw (15-22 Ton), All
70
Table 34 Component Weights-Downflow Water/Glycol, GLYCOOL, 53-77Kw (15-22 Ton), All
70
Figure 49 Component Dimensions-Downflow, Air-Cooled, 105Kw (30 Ton), Semi-Hermetic Compressor
71
Forward-Curved and EC Fan
71
Models; Forward-Curved and EC Fan
71
Table 35 Component Weights-Downflow, Air-Cooled, 105Kw (30 Ton), Semi-Hermetic Compressors
71
Figure 50 Component Dimensions-Downflow, Air-Cooled, 105Kw (30 Ton), Scroll Compressor Models
72
Forward-Curved and EC Fan
72
Table 36 Component Weights-Downflow, Air-Cooled, 105Kw (30 Ton), Scroll Compressor Models
72
Figure 51 Component Dimensions-Downflow, Water/Glycol/Glycool, 105Kw (30 Ton), Forward-Curved and EC Fan, All Compressor Models; Forward-Curved and EC Fan
73
Models; Forward-Curved and EC Fan
73
Table 37 Component Weights-Downflow, Water/Glycol/Glycool, 105Kw (30 Ton), All Compressor
73
Disassembly-Upflow Units
74
Remove Compressor Assembly
75
Remove Blower and Electric Box Assembly
75
Reassembly-Upflow Unit
76
Reassembly Checklist
76
Figure 52 Component Dimensions-Upflow, Air-Cooled, 28-42Kw (8-12 Ton), Semi-Hermetic Compressor
77
Models
77
Table 38 Component Weights-Upflow, Air-Cooled, 28-42Kw (8-12 Ton), Semi-Hermetic Compressor
77
Compressor Models
78
Figure 53 Component Dimensions-Upflow, Air-Cooled, 28-42Kw (8-12 Ton), Scroll/Digital Scroll
78
Table 39 Component Weights-Upflow, Air-Cooled, 28-42Kw (8-12 Ton), Scroll/Digital Scroll
78
Compressor Models
79
Figure 54 Component Dimensions-Upflow, Water/Glycol/Glycool, 28-42Kw (8-12 Ton), All
79
Models
79
Table 40 Component Weights-Upflow, Water/Glycol/Glycool, 28-42Kw (8-12 Ton), All Compressor
79
Compressor Models
80
Figure 55 Component Dimensions-Upflow, Air-Cooled, 53-77Kw (15-22 Ton), Semi-Hermetic
80
Models
80
Table 41 Component Weights-Upflow Air-Cooled 53-77Kw (15-22 Ton), Semi-Hermetic Compressor
80
Compressor Models
81
Figure 56 Component Dimensions-Upflow, Air-Cooled, 53-77Kw (15-22 Ton), Scroll/Digital Scroll
81
Table 42 Component Weights-Upflow, Air-Cooled, 53-77Kw (15-22 Ton), Scroll /Digital Scroll
81
Compressor Models
82
Figure 57 Component Dimensions-Upflow Water/Glycol/Glycool 53-77Kw (15-22 Ton), All
82
Models
82
Table 43 Component Weights-Upflow Water/Glycol/Glycool, 53-77Kw (15-22 Ton) All Compressor
82
Figure 58 Component Dimensions-Upflow, Air-Cooled, 105Kw (30 Ton), Semi-Hermetic Compressor
83
Models
83
Table 44 Component Weights-Upflow, Air-Cooled, 105Kw (30 Ton), Semi-Hermetic Compressor
83
Compressor Models
84
Figure 59 Component Dimensions-Upflow, Air-Cooled, 105Kw (30 Ton), Scroll/Digital Scroll
84
Models
84
Table 45 Component Weights-Upflow, Air-Cooled, 105Kw (30 Ton), Scroll/Digital Scroll Compressor
84
Compressor Models
85
Figure 60 Component Dimensions-Upflow, Water/Glycol/Glycool, 105Kw (30 Ton), All
85
Models
85
Table 46 Component Weights-Upflow, Water/Glycol/Glycool, 105Kw (30 Ton), All Compressor
85
8 Electrical Connections
86
Figure 61 Electrical Field Connections for Upflow and Downflow Models
87
Table 47 Electrical Field Connection Descriptions
88
Variable Speed Drive
89
VSD Power Supply-Field-Adjustment May be Required
89
Wye-Connected Power Supply
89
Figure 62 Wye-Connected Power Diagram
89
Delta-Connected Power Supply
90
Figure 63 Delta-Connected Power Diagram
90
Table 48 Inverter Type
90
Figure 64 Disconnecting EMC Filter for Operation with Delta-Connected Power Size C & D Inverters
91
Inverters
91
9 Piping
92
Fluid Connections
92
Condensate Piping-Field-Installed
92
Figure 66 Gravity Drain for Downflow and Upflow Units
93
Humidifier Supply Water-Optional Infrared
94
Humidifier Supply Water-Optional Steam Generating
94
Requirements of Systems Using Water or Glycol
94
Refrigeration Piping
95
Piping Guidelines-Air-Cooled Units
96
Scroll and Digital Scroll-Additional Oil Requirements
98
Dehydration/Leak Test and Charging Procedures for R-407C and R-22
99
Air-Cooled Condenser with Variable Fan Speed Head Pressure Control Systems
99
Table 54 Fan Speed Suction Pressure Transducer Settings
100
Air-Cooled Condenser with Liebert Lee-Temp "Flooded Condenser" Head Pressure
101
Control System
101
Table 55 Lee-Temp Suction Pressure Transducer Settings
102
Water/Glycol Cooled System
103
Table 56 Water/Glycol-Cooled and GLYCOOL Suction Pressure Transducer Settings
103
10 Piping Schematics
104
Figure 67 Piping Schematic-Air-Cooled, Semi-Hermetic Compressor Models
104
Figure 68 Piping Schematic-Air-Cooled, Scroll Compressor Models
105
Figure 69 Piping Schematic-Water/Glycol, Semi-Hermetic Compressor Models
106
Figure 70 Piping Schematic-Water/Glycol with Scroll Compressor Models
107
Figure 71 Piping Schematic-GLYCOOL Semi-Hermetic Compressor Models
108
Figure 72 Piping Schematic-GLYCOOL with Scroll Compressor Models
109
Figure 73 Piping Schematic-Water/Glycol with Digital Scroll Compressor Models
110
Figure 74 GLYCOOL with Digital Scroll Compressor Models
111
Figure 75 Optional Piping Schematic for Econ-O-Coil
112
Compressor Models
113
Figure 76 Primary Connection Locations-Downflow, Air-Cooled, 28-42Kw (8-12 Ton), Semi-Hermetic
113
Compressor Models
114
Figure 77 Primary Connection Locations-Downflow, Air-Cooled, 28-42Kw (8-12 Ton) with Scroll
114
All Compressor Models
115
Figure 78 Primary Connection Locations-Downflow Water/Glycol/Glycool 28-42Kw (8-12 Ton)
115
Compressor Models
116
Figure 79 Primary Connection Locations-Downflow, Air-Cooled, 53-77Kw (15-22 Ton), Semi-Hermetic
116
Compressor Models, with EC Fan
117
Figure 80 Primary Connection Locations Downflow Air Cooled 53-77Kw (15-22 Tons) Semi-Hermetic
117
Compressor Models
118
Figure 81 Primary Connection Locations-Downflow, Air-Cooled, 53-77Kw (15-22 Ton) with Scroll
118
Compressor Models, with EC Fan
119
All Compressor Models
120
Figure 83 Primary Connection Locations-Downflow, Water/Glycol/Glycool, 53-77Kw (15-22 Ton)
120
All Compressor Models, with EC Fan
121
Figure 85 Primary Connection Locations-Downflow, Air-Cooled, 105Kw (30 Ton), All Compressor
122
Models
122
Figure 86 Primary Connection Locations-Downflow, Air-Cooled, 105Kw (30 Ton), All Compressor
123
Models, with EC Fan
123
Compressor Models
124
Figure 87 Primary Connection Locations-Downflow, Water/Glycol/Glycool, 105Kw (30 Ton), All
124
Compressor Models, with EC Fan
125
Figure 88 Primary Connection Locations Downflow Water/Glycol/Glycool 105Kw (30 Tons) All
125
Compressor Models
126
Figure 89 Primary Connection Locations-Upflow, Air-Cooled, 28-42Kw (8-12 Ton), Semi-Hermetic
126
Compressor Models
127
All Compressor Models
128
Figure 91 Primary Connection Locations-Upflow, Water/Glycol/Glycool, 28-42Kw (8-12 Ton)
128
Compressor Models
129
Figure 92 Primary Connection Locations-Upflow, Air-Cooled, 53-77Kw (15-22 Ton), Semi-Hermetic
129
Figure 93 Primary Connection Locations-Upflow, Air-Cooled, 53-77Kw (15-22 Ton), Scroll Compressor
130
Models
130
All Compressor Models
131
Figure 94 Primary Connection Locations-Upflow, Water/Glycol/Glycool, 53-77Kw (15-22 Ton)
131
Figure 95 Primary Connection Locations-Upflow, Air-Cooled, 105Kw (30 Ton), All
132
Table 57 Piping Data-Upflow, Air-Cooled 105Kw (30 Ton), All
132
Figure 96 Primary Connection Locations-Upflow, Water/Glycol/Glycool, 105Kw (30 Ton), All
133
Table 58 Piping Data-Upflow, Upflow, Water/Glycol/Glycool, 105Kw (30 Ton), All
133
11 Checklist for Completed Installation
134
Moving and Placing Equipment
134
Electrical
134
Piping
134
Other
135
12 Initial Startup Checks and Commissioning Procedure for Warranty Inspection
136
Information for Warranty Inspection-Remove Power from Unit Disconnect
137
Startup Checks with Panels Removed and Main Disconnect off
137
12.2.1 Inspect and Record
137
Startup
138
Commissioning Procedure with Panels on
139
13 Maintenance
140
Filters
141
13.1.1 Filter Replacement Procedure-Downflow Units
142
13.1.2 Filter Replacement Procedure-Upflow Units
142
Blower Drive System-Centrifugal Fans
142
Figure 97 Proper Filter Pleat Direction
142
13.2.1 Upflow Motor Access
143
13.2.2 Belt Removal
143
Figure 98 Upflow Motor Access
143
13.2.3 Belt Installation and Tensioning
144
Figure 99 Auto-Belt Tensioning Motor Base
144
13.2.4 Electronic Variable Speed Drive - Inverter
145
Blower Drive System-EC Fans
145
13.3.1 Fan Impellers and Bearings
145
13.3.2 Protective Features
145
Humidifier-Infrared
146
13.4.1 Cleaning Humidifier Pan and Float Switch
146
13.4.2 Changing Humidifier Lamps
147
Figure 100Correct Orientation of Float Switch
147
Figure 101Infrared Humidifier Lamps
147
Humidifier-Steam Generating
148
13.5.1 Replacing the Steam Generating Humidifier Canister
148
Figure 102Steam Generating Humidifier Canister
148
Figure 103Removing the Old Canister
149
Table 61 Humidifier Canister Part Numbers
149
Figure 104Drain Valve Assembly
150
Figure 105Canister Plugs
151
Table 62 Steam Generating Humidifier Status Lamps: Causes, Corrective Action
152
Table 63 Steam Generating Humidifier Troubleshooting Guide
152
Condensate Drain and Condensate Pump Systems
153
13.6.1 Condensate Drain
153
13.6.2 Condensate Pump
153
Figure 106Circuit Board Diagram
153
Air-Cooled Condenser and Drycoolers
154
Reheat-Electric Reheat (Three-Stage and SCR)
154
Thermostatic Expansion Valve
154
13.9.1 Determine Suction Superheat
154
13.9.2 Adjust Superheat Setting with the TEV
154
13.10 Compressor
155
Compressor Oil
155
Semi-Hermetic Compressors
155
Scroll and Digital Scroll Compressors
155
13.11 Compressor Replacement
155
Compressor Motor Burnout
155
Table 64 Compressor Oil Types
155
Digital Compressor Unloading Solenoid(S)
156
Compressor Replacement Procedure
156
13.12 Facility Fluid and Piping Maintenance
156
13.13 Paradenser-Water-Cooled Condenser
156
13.13.1 Cleaning Instructions
157
13.14 Water/Glycol Control Valves
157
Regulating Valves - Semi Hermetic and Standard Scroll Compressors
157
Table 65 Recommended Refrigerant Pressures
157
Motor Ball Valve-Digital Scroll Compressors
158
Drycooler Settings
159
Table 66 Water/Glycol System Conditions Requiring Optional Settings for Aquastats
159
14 Hvac Maintenance Checklist
160
Compliance with European Union Directives
167
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