Pump Down Configuration At Compressor Stop - Daikin EWWQ-AJYNN Service Manual

Functional Control
2.19

Pump Down Configuration at Compressor Stop

1
Introduction
Function
2
description
3
4
5
2–74
When the unit is switched off (local, remote, thermostat) the pump down procedure will be executed.
Pump down procedure:
■ request to shut down compressor
■ close electronic expansion valve
■ stop compressor or when one of the two conditions is met:
■ max time of pump down = 30 seconds
■ LP is below 1.2 bar
Pump Down Config
Enable
Max time
Min Press.
30 s
1.2 bar
ESIE07-05
Part 2 – Functional Description