Electra WNG 50 DCI Service Manual page 69

12.5.4.6 Balance time
During the first 6 minutes after STBY the correction is not calculated. After that the correction
value is updated every 30 seconds.
12.5.4.7 EEV corrections
The corrections in cool mode will keep the compressor in the proper operation temperature and
will balance between the indoor units by controlling CTT-OMT.
12.5.4.8 Accumulative correction value storage
The accumulated EEV correction value will be stored in the memory. Default correction values
after power up are zero.
12.5.5 Outdoor Fan Speed Control
12.5.5.1 General Rules
o OFAN operates between OFMinRPM to OFMaxRPM.
o Min time for speed change of OFAN OFMinTimeReduce (60 seconds).
There are 4 defined speeds – High, Med, Low, and Very Low.
The actual OFAN speeds in cool mode are defined according to the following table:
Freq
-10
0 0
15 80
25 130
35 160
45 205
55 250
65 275
75 300
85 325
95 350
Service Manual - WNG 50_60_80 DCI
Basic EEV open loop
WNG72 and 80
Mode
1
COOL 220
HEAT 210
Outdoor air temperature (OAT)
-5 0 5 10
0 0 0 0
100 120 130 220 340
140 160 190 250 380
180 210 250 330 470
230 260 320 440 600
280 310 390 550 730
315 355 470 640 730
350 400 550 730 730
395 445 630 730 730
440 490 710 730 730
Revision Y05-02
CONTENT
2 3 4
- - -
- - -
15 20 25 30
0 0 0 0
460 580 600 730
600 610 670 730
730 730 730 730
730 730 730 730
730 730 730 730
730 730 730 730
730 730 730 730
730 730 730 730
730 730 730 730
CONTROL SYSTEM
35 40 46
0 0 0
730 730
740 750
780 800
800 850
800 850
800 850
800 850
800 850
800 850
12-13