Airwell DLSE Series User Manual

12-22
CONTROL SYSTEM
SM DLSDCI 3-A.1 GB
12.5.3.6EEVcorrectiondenition(EEVCV
i
)
The EEV correction value is determined according to the operation mode,
the actual compressor speed and indoor/outdoor conditions. The correction
value is targeting towrds optimal behavior of the system.
The following table describes the closed loop control type (EEV correction):
Mode
Main EEV
Cool
• Target CTT
• Discharge super heat protection
• CTT Protection
Heat
• Target CTT
• Discharge super heat protection
• CTT Protection
• Sub-cooling (SC) protection
12.5.4 Outdoor Fan Speed Control
12.5.4.1 General Rules
The OFAN operation keeps the outdoor heat exchanger temperature within predened values by increasing or
reducing the OFAN speed.
Note - Whenever the OFAN speed is abnormal, the OMT and OCT sensors need to be checked.
TROUBLESHOOTING
Service Manual
Multi Cinco 100 DCI 12-29 Revision 0
12.5.3 Outdoor Fan Speed Control
12.5.3.1 General Rules
The OFAN operation keeps the outdoor heat exchanger temperature within predefined values by increasing
or reducing the OFAN speed. Whenever the OFAN speed is abnormal, the OMT and OCT sensors need to be
checked
.
12.5.3.2 Night mode
During night mode, the OFAN and the compressor will be limited to lower speeds.
12.5.3.3 Behavior when there is a failure in OFAN
Whenever OFAN fault occurs the compressor will be stopped immediately.
12.5.3.4 Protection Behavior
OFAN will enter protection speed according to CTT / HST / OMT protection level. Whenever one of these
protections is entered, OFAN will also speed up/down (Cool/heat) accordingly.
27 38 Max (OCT,OMT)
OFAN Speed Cool mode
Min
Max
OFAN Speed Heat mode
Min
Max
Min (OCT,OMT) 8 15
12.5.4.2 Night mode
During night mode, the OFAN and the compressor will be limited to lower speeds.
12.5.4.3 Behavior when there is a failure in OFAN
Whenever OFAN fault occurs the compressor will be stopped immediately.
12.5.4.4 Protection Behavior
OFAN will enter protection speed according to CTT / HST / OMT protection level. Whenever one of these
protections is entered, OFAN will also speed up/down (Cool/heat) accordingly.

Airwell DLSE Series Specifications

General

Brand	Airwell
Model	DLSE Series
Category	Inverter
Language	English