Electra DCI 80, Service Manual

Page: 69 / 162

12-13
CONTROL SYSTEM
Revision Y05-02
Service Manual - WNG 50_60_80 DCI
Basic EEV open loop
Mode
WNG72 and 80
1 2 3 4
COOL 220 - - -
HEAT 210 - - -
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
Outdoor air temperature (OAT)
-10 -5 0 5 10 15 20 25 30 35 40 46
0 0 0 0 0 0 0 0 0 0 0 0 0
15 80 100 120 130 220 340 460 580 600 730 730 730
25 130 140 160 190 250 380 600 610 670 730 740 750
35 160 180 210 250 330 470 730 730 730 730 780 800
45 205 230 260 320 440 600 730 730 730 730 800 850
55 250 280 310 390 550 730 730 730 730 730 800 850
65 275 315 355 470 640 730 730 730 730 730 800 850
75 300 350 400 550 730 730 730 730 730 730 800 850
85 325 395 445 630 730 730 730 730 730 730 800 850
95 350 440 490 710 730 730 730 730 730 730 800 850