OPTIONAL ACCESSORIES
12-4
Revision 0
Service Manual - KXL DCI
12.1.8
Outdoor Fan Control
12.1.8.1 Outdoor Fan Control for DCI72/80
OFAN operates between
OFMinRPM
to
OFMaxRPM
.
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:
Outdoor air temperature (OAT)
Freq
-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
The actual OFAN speeds in heat mode are defined according to the following table
Outdoor air temperature (OAT)
Freq
-15
-7
0
7
14
21
24
0
0 0 0
0
0
0
0
15
850 850 750 750
500
350
300
25
850 850 750 750
520
370
320
35
850 850 750 750
540
390
340
45
850 850 750 750
560
410
360
55
850 850 750 750
580
430
380
65
850 850 750 750
600
450
400
75
850 850 750 750
620
470
420
85
850 850 750 750
640
490
440
95
850 850 750 750
650
500
450
The fan speed is also related to protections and OMT value.