Air Tighteness Test - Daikin SkyAir RZQ200 · 250C7Y1B Service Manual

Maintenance Inspections

1.3.6 Air Tighteness Test

Refrigerant Recovery Method
Before replacing parts of the refrigerant system, be sure to collect refrigerant. The refrigerant
recovery procedure is as follows:
[Refrigerant recovery procedure]
(1) Stop operation.
(2) Confirm that both of liquid side stop valve and gas side stop valve are fully open.
(3) Push and hold the MODE (BS1) button for 5 seconds or more. (
(4) Push the SET (BS2) button to change the LED display to "Refrigerant recovery mode".
(5) Push the RETURN (BS3) button.
(6) Push the SET (BS2) button to change the LED display to "Electronic expansion valve fully
(7) Push the RETURN (BS3) button twice.
(8) Collect refrigerant via the refrigerant recovery port and liquid stop valve service port (or gas
Refrigerant recovery mode
Electronic expansion valve
fully open
82
RZQ200 • 250C
open".
stop valve service port) simultaneously using a refrigerant recovery unit.
Refrigerant
recovery port
Liquid stop valve
service port
H1P H2P H3P H4P
8 1 1 1
8 1 1 1
Gas stop valve service port
SiBE26-701
→
Setting mode 2)
H5P H6P H7P
1 1 8 8: Light ON
1 8 1 1: Light OFF
Troubleshooting