TABLE OF CONTENTS
INTRODUCTION
l
READ ME FIRST
2
SAFETY
4
RECOVERY
Liquid and Vapor Recovery Method
5
Push-Pull Liquid and Vapor Recovery Method
7
CHARGING OPERATION WITH HOT VAPOR
9
SELF-EVACUATION
10
SUB-COOL OPERATION
11
PURGING NON-CONDENSABLES (AIR)
II
SWITCHING FROM ONE REFRIGERANT TO ANOTHER
11
TROUBLESHOOTING
12
SCHEMATICS
14
ILLUSTRATIONS
Figure 1 OZsaver™¿¡^Controls
3
Figure 2 Liquid and Vapor Recovery Method
6
Figure 3 Push-Pull Liquid and Vapor Recovery Method
8
Figure 4 Charging With Hot Vapor
9
UNITED STATES PATENT: 4766733
UNITED STATES PATENT: 4809515
UNITED STATES PATENT: 4981020
Other US and Foreign Patents Pending
MODEL 4000
Theimaflo* 3640 Main Street • Springfield, MA 01107
THERMAFLG is division of American THERMAFLO Corporation
Mar 1998
2436A0*