L
V
Vapor
Liquid
Filter Drier
Cylinder
Schrader Valve Core
Removal Tools (optional)
Sight Glass (optional)
Overfill Sensor
(optional)
29
28
Push/Pull Recovery
This method is only for larger systems with at
least 14 kg of liquid refrigerant It’s used to recover
liquid before recovering vapor
CAUTION:
Understand all class A2L refrigerant warnings and notices if
applicable (pages 5, 12).
1. Before connecting, switch to OFF (O), then plug into power.
2. Switch to ON (I).
3. Close valves of recovery cylinder and MR45INT.
4. Set up as shown in the diagram.
5. Open valves of liquid hose and removal tool at liquid system port.
6. To purge air from system liquid hose, briefly unseat hose fitting at
cylinder’s liquid port until vapor is seen.
7. Fully open liquid valve of recovery cylinder and allow to pressurize.
8. Set MR45INT to RECOVER.
9. Press START to begin recovery.
10. Fully open vapor valve of recovery cylinder.
11. To purge air from hoses briefly unseat hose fitting at vapor system
port until vapor is seen.
12. Open valves of vapor hose and removal tool at vapor system port.
13. When liquid recovery is complete, press STOP to stop motor.
14. Close all valves and proceed to Direct Vapor Recovery (page 27).
15. Switch to OFF (O), then unplug from power.
