Airwell DLS 43 DCI, Service Manual

Page: 98 / 182

12-2
CONTROL SYSTEM
SM DLSDCI 3-A.1 GB
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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
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reducing the OFAN speed.
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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
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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
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