Liebert Precision Cooling System DS Manuel d'utilisateur Page 96
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- Table des matières
- MARQUE LIVRES
Noté. / 5. Basé sur avis des utilisateurs
Piping Schematics
86
Figure 61 Piping schematic—GLYCOOL semi-hermetic compressor models
LIEBERT
HEAT REJECTION
DRYCOOLER
(Glycol)
Aquastat
Sensing
Bulbs
Hose
Bib*
Shutoff Valve*
EXPANSION
TANK**
Pressure
Port*
Optional Dual Pump System shown
GLYCOL
PUMPS
Check Valves*
(on Dual Pump
Systems only)
Gate Valves*
Air Vents
(typical)***
Pressure Port*
Flow Switch
Supplied with Dual
Pump Systems
Flow-Regulating
Valve *
SUPPLY
SUPPLY
RETURN
RETURN
Shutoff Valve*
Shutoff Valve*
Hose
Bib*
Hose
Bib*
Thermistor
3-Way
Chilled Glycol
Valve
ECON-O-COIL
EVAPORATOR
COIL
LIEBERT DS UNIT
(and associated piping)
Service
Valve
Service
Valve
Cylinder
Unloader(s)
Sensing Bulb
LIQUID
COMPRESSOR
DISCHARGE
Muffler
External
Equalizer
Expansion
Valve
Solenoid
Valve
Sight
Glass
PARADENSER
CONDENSER
TO SECOND
REFRIGERATION
CIRCUIT
3-Way
Regulating
Valve
* Components are not supplied by
Liebert but are recommended for
proper circuit operation and
maintenance
** Field-installed at highest point in
system on return line to pumps
*** Locate at tops of all risers and
any intermediate system high points
Factory Piping
Field Piping
Service/Schrader (Access) Connection No Valve Core
Service/Schrader (Access) Connections With Valve Core
Notes: Schematic representation shown. This schematic does not imply or define elevations and
component location unless specifically noted.
Two refrigeration circuits provided. Single refrigeration circuit shown for clarity
DPN000897
Rev. 02
Shutoff Valve*
SUCTION
Sensor
Relief valve(s) supplied
with 50Hz EU CE units rated
maximum 480 PSIG (33 Bar).
Filter
Dryer
®
For systems with drycoolers,
refer to 12.11.3 - Drycooler Settings.
- User Manual 1
- 2
- TABLE OF CONTENTS 3
- SAVE THESE INSTRUCTIONS 11
- 2.0 COOLING CONFIGURATIONS 16
- 3.1 Room Preparation 17
- Pre-Installation Guidelines 18
- 3.5 Operating Conditions 19
- 35" 22
- 33" 22
- Dry Weight - lb. (kg) 23
- Approximate 23
- DPN000924 24
- TOP VIEW 26
- FRONT VIEW 26
- DPN001013 28
- 24" 33
- Supply air 37
- 26" 39
- Top of Unit 40
- DPN001196 43
- SAFETY INFORMATION 45
- Spreader Bars and Slings 46
- Piano Jacks 46
- Forklift 46
- 5.2.3 Removing Piano Jacks 48
- DETAIL A 51
- 6.1 Required Equipment 52
- 6.3 Reassembly—Downflow Units 55
- 6.4 Reassembly Checklist 56
- 60-3/16" 57
- (1529mm) 57
- 59-7/16" 60
- (1509mm) 60
- 37" 61
- 6.5 Disassembly—Upflow Units 66
- 6.6 Reassembly—Upflow Unit 68
- 6.7 Reassembly Checklist 68
- 31-1/4" 69
- 45-13/16" 71
- (1163mm) 71
- 7.0 ELECTRICAL CONNECTIONS 78
- Electrical Connections 80
- 8.0 PIPING 82
- INCORRECT 83
- INCORRECTINCORRECT 83
- General Guidelines 84
- 8.2 Refrigeration Piping 85
- Fan Speed Control Piping 88
- Fan Speed Charging 89
- Lee-Temp Piping 90
- Lee-Temp Charging 91
- 9.0 PIPING SCHEMATICS 92
- For systems with drycoolers 94
- CUSTOMER 95
- HEAT REJECTION 95
- LIEBERT DS UNIT 96
- (and associated piping) 96
- Piping Schematics 100
- FRONT OF UNIT 101
- Front View 101
- Section A-A 101
- DPN000803 101
- Front of Unit 102
- DPN000804 102
- DPN000900 103
- DPN000928 104
- DPN000929 105
- DPN000933 106
- DPN001014 107
- DPN001015 108
- 15-3/16" 109
- FRONT SECTION VIEW 110
- DPN001119 110
- 15-7/8" 111
- FRONT SECTION VIEW OF UNIT 112
- (Left Front Panel Not Shown) 112
- TOP VIEW OF UNIT 112
- Top View 113
- Left Side Section View 113
- Front Section View 113
- FRONT SECTION VIEW OF UNIT 115
- Front Of Unit 116
- DPN001258 116
- 10.2 Electrical 117
- 10.3 Piping 117
- 10.4 Other 117
- WARNING 118
- 12.0 MAINTENANCE 121
- 12.2 Blower Drive System 122
- 12.2.1 Upflow Motor Access 123
- 12.2.2 Belt Removal 123
- Maintenance 124
- Correct Switch Orientation 125
- Incorrect Switch Orientation 125
- DPN000996 125
- 12.4.1 Condensate Drain 126
- 12.4.2 Condensate Pump 126
- 12.7 Compressor 127
- 12.8 Compressor Replacement 128
- 12.10.1 Cleaning Instructions 129
- 12.11.3Drycooler Settings 131
- AINTENANCE CHECKLIST 132
- HVAC Maintenance Checklist 133
- Glycol Pump 134
- SL-18825_REV07_05-08 136
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