Contents
Main
Figure i Model number nomenclature
PFH 0 37 P L 7
A
TABLE OF CONTENTS
5.0 T
2.0 I
4.0 M
FIGURES
TABLES
1.0 PRODUCT DESCRIPTION
1.1 Prop Fan Condensing Units
1.1.1 Base System 95F (35C) Ambient Models
1.1.2 105F (41C) Ambient Models
1.1.3 Quiet-Line Models
2.0 I
2.1 Equipment Inspection
2.2 Location Considerations
2.3 Dimensional Data
Figure 2 Dimensions, top air discharge
Table 2 Electrical and piping connections, top air discharge
FOOTPRINT DIMENSIONS
WIRING FOR TRANSFORMER
WALL MOUNTING RIGID MOUNTING
Page
Page
Figure 6 General piping arrangement
Figure 7 Electrical field connections, 1- to 5-ton units
Horizontal Air Discharge Models
Top Air Discharge Models
Figure 8 Electrical field connections, 8-ton units
Figure 9 Single-phase, 1-3 ton model schematic, typical
191642 Rev. 0
NOMENCLATURE
Figure 10 Three-phase, 3-5 ton model schematic, typical
NOMENCLATURE
191643 Rev. 0
Figure 11 Three-phase, 8 ton model schematic, typical
2.5 Piping Considerations
NOTICE
2.5.1 Piping for Elevation Differences between PFH and Evaporator
Figure 12 Refrigerant piping diagram
Table 5 Pipe length and condenser elevation relative to evaporator
Table 6 Equivalent lengths for various pipe fittings, ft (m)
Evaporator
Condensing Unit
2.5.2 Pre-Charged Line Sets
NOTICE
2.5.3 Field-Fabricated Line Sets
Table 8 Liebert PFH unit charge levels and coupling size
Table 9 Recommended line sizes, OD Cu
2.5.4 Installation of Piping to Units
2.5.5 R-407C PFH Installed as a Replacement Condensing Unit in an R-22 System
Remove Existing Condensing Unit
Filter Drier Selection and Installation
Install the New Condensing Unit
2.5.6 General System Charge Requirements
2.6 Electrical Connections
2.6.1 Low-Voltage Control Wire Connections
2.6.2 Low-Voltage Control Wire Sizing
2.7 Electrical Data
Table 16 Electrical dataStandard sound and ambient models (95F/35C) 60Hz
Table 17 Electrical dataHigh ambient models (105F/41C) 60Hz
Table 18 Electrical dataQuiet-Line models (95F/35C) 60Hz
Table 19 Electrical dataStandard sound and ambient models (95F/35C) 50Hz
Table 20 Electrical dataHigh ambient models (105F/41C) 50Hz
2.8 Checklist for Completed Installation
3.0 O
3.1 Compressor
3.2 High Head Pressure
3.3 Liebert Lee-Temp Flood Back Head Pressure Control
3.4 Hot Gas Bypass
3.4.1 Operation
3.4.2 Adjustment
Page
4.0 M
4.1 General
4.2 Compressor Failure
4.2.1 Electrical FailureBurnout
4.2.2 Mechanical Failure
4.3 Compressor Replacement
4.4 Field Charge Verification
5.0 T
Table 23 Troubleshooting
Ensuring The High Availability Of Mission-Critical Data And Applications.
Technical Support / Service
Locations