E-Star OESE Condensing Unit
3.5 and 5 HP HFC
INSTALLATION AND OPERATION MANUAL
Section 1.0 – Introduction
1.1 General Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
Table 1: Dimensions and Weight ............................................................................................1
Figure 1: Dimensions and Weight. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
1.2 Technical Support ......................................................................................................... 2
1.3 Installation Information ................................................................................................... 2
Section 2.0 – Installation
2.1 Inspection .................................................................................................................. 3
2.2 Handling .................................................................................................................... 3
2.3 Location ..................................................................................................................... 3
2.4 Refrigeration Piping and Evacuation ..................................................................................... 3
Table 2: Liquid Line Sizing ................................................................................................. 4
Table 3: Suction Line Sizing ................................................................................................ 4
Table 4: Discharge Line Sizing To and From the Fre-Heater® ........................................................... 4
Table 5: Condensing Unit Connection Sizes .............................................................................. 4
2.5 Electrical Connections .....................................................................................................5
2.6 Pump-Down Installations ..................................................................................................5
Section 3.0 – Refrigerant Charging
3.1 EPA Refrigerant Regulations .............................................................................................. 6
3.2 Initial Refrigerant Charge ................................................................................................. 6
Table 6: Recommended Startup Refrigeration Charge ................................................................... 6
3.3 Weigh-In Refrigerant Charging ........................................................................................... 6
3.4 Final Operating Charge .................................................................................................... 7
3.5 Refrigerant Testing ........................................................................................................ 7
3.6 Safety Alert ................................................................................................................. 7
Table of Contents
Mueller E-Star OESE 3.5 and 5 HP HFC Condensing Unit
Installation and Operation Manual, Part No. 8828747 Effective April 13, 2020