TXV REPLACEMENT - PACKAGE UNIT
5
ActronAir is constantly seeking ways to improve the design of its products, therefore specifications are subject to change without notice.
Copyright © 2015 Actron Engineering Pty. Ltd.
11. Wrap the whole bulb sensor area with insulation tape. See figure below.
SUCTION PIPE
INSULATION
TAPE
12. Adjust TXV spindle to match ActronAir default settings.
Model
TXV Location
Adjustment Settings
Direction
PKY470T
Large Compressor
Open 2 turns.
2
Small Compressor
none
---
PKY500T
Large Compressor
Close 3 turns.
3
Small Compressor
Close 3-1/2 turns.
3
1/2
PKY540T
Large Compressor
Open 2 turns.
2
Small Compressor
Open 2 turns.
2
PKY620T
Large Compressor
Open 2 turns.
2
Small Compressor
Open 2 turns.
2
PKY700T
Large Compressor
Open 2-1/2 turns.
2
1/2
Small Compressor
Open 2 turns.
2
04. Recharging the System / Operation Preparation for Unit Start-Up
1. Start evacuation process as per ActronAir evacuation procedure.
2. Re-connect gauges and the cylinder of reclaimed R410a refrigerant as per refrigerant reclaim procedures above.
3. Recharge the system as per Refrigerant Charging procedures in the Installation and Commissioning Guide.
NOTE
A fresh R-410A refrigerant may be required as a replacement, particularly where there is contamination in the old
reclaimed refrigerant.
4. Switch back on the power to the unit.
5. Operate the system and check for system subcooling and superheat. If necessary, add refrigerant charge as per
procedure detailed in the Refrigerant Charging section of the Installation and Commissioning Guide.
