Installation and Commissioning Guide - Wall Hung Split System
Doc. No.9590-5007
Ver. 2 210416
Installation and Commissioning Guide
Wall Hung Split System
40
12.02. Evacuation Instructions
Before using the manifold gauge and vacuum pump, read their operation manuals to familiarize yourself with how to
use them properly.
Manifold Gauge
Compound gauge
-76cmHg
Low pressure valve
High pressure
valve
Pressure hose /
Charge hose
Charge hose
Vacuum
pump
Pressure gauge
Low pressure valve
Vacuum Pump
Charge Hose
High Pressure Valve
Low Pressure Valve
Pressure Gauge
Compound Gauge
-76 cmHg
Low Pressure Valve
Pressure Hose/
Charge Hose
Manifold Gauge
1. Connect the charge hose of the manifold gauge to service port on the outdoor unit’s low pressure valve.
2. Connect another charge hose from the manifold gauge to the vacuum pump.
3. Open the Low Pressure side of the manifold gauge. Keep the High Pressure side closed.
4. Turn on the vacuum pump to evacuate the system.
5. Run the vacuum until the compound meter reads 500 microns.
6. Close the Low Pressure side of the manifold gauge, and turn off the vacuum pump.
7. Wait for 5 minutes, then check that there has been no change in system pressure.
Flare nut
Cap
Valve body
Valve stem
Flare Nut
Valve Body
Valve Stem
Cap
Содержание WRC-026CS
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