Dry Mode - Electra DELTA 22 Service Manual

CONTROL SYSTEM
11.16

Dry Mode

As long as room temperature is higher then the set point, indoor fan will work in low speed
and compressor will work between 0 and MaxNLOADIF1C Hz.
When the room temperature is lower than the set point, compressor will be switched OFF
and indoor fan will cycle 3 minutes OFF, 1 minute ON.
11.17 Protections
There are 5 protection codes.
Normal (Norm) – unit operate normally.
Stop Rise (SR) – compressor frequency can not be raised but does not have to be
decreased.
HzDown1 (D1) – Compressor frequency is reduced by 2 to 5 Hz per minute.
HzDown2 (D2) – Compressor frequency is reduced by 5 to 10 Hz per minute.
Stop Compressor (SC) – Compressor is stopped.
11.17.1 Indoor Coil Defrost Protection
ICT
ICT < -2
-2 ≤ ICT < 0
0 ≤ ICT < 2
2 ≤ ICT < 4
4 ≤ ICT < 6
6 ≤ ICT < 8
8 ≤ ICT
11.17.2 Indoor Coil over Heating Protection
ICT
Decreasing
ICT > 55
53 < ICT ≤ 55
49 < ICT ≤ 53
47 < ICT ≤ 49
45 < ICT ≤ 47
43 < ICT ≤ 45
ICT ≤ 43
11-6
Fast
Increasing
Increasing
SC SC
D1 D1
SR SR
SR SR
Norm Norm
Norm Norm
Fast
Decreasing
SC SC
D1 D1
SR SR
SR SR
Norm Norm
Norm Norm
CONTENT
ICT Trend
No change Decreasing
SC SC
D2 D2
D1 D2
SR D1
SR SR
Norm SR
Normal
ICT Trend
No Change Increasing
SC SC
D2 D2
D1 D2
SR D1
SR SR
Norm SR
Normal
Fast
Decreasing
SC
D2
D2
D2
D1
SR
Fast
Increasing
SC
D2
D2
D2
D1
SR
SM DUO38 1-E.1 GB