Midea V6-i Series Service Manual

V6-i VRF 50/60Hz
41
Part 3
- Control
5.5 Electronic Expansion Valve Control
EXVA control
The position of electronic expansion valves EXVA is controlled in steps from 0 (fully closed) to 480 (fully open) or 3000
(fully open).
In cooling mode:
 When the outdoor unit is in standby:
 EXVA is at position 352 (steps) or 2112 (steps).
 When the outdoor unit is running:
 EXVA is controlled according to discharge temperature.
In heating mode:
 When the outdoor unit is in standby:
 EXVA is at position 352 (steps) or 2112 (steps).
 When the outdoor unit is running:
 EXVA is controlled according to discharge superheat.
EXVC control
The positions of electronic expansion valves EXVC are controlled in steps from 0 (fully closed) to 480 (fully open).
In cooling / heating mode:
 When the outdoor unit is in standby:
 EXVC is fully closed.
 When the outdoor unit is running:
 EXVC is controlled according to temperature different between plate heat exchanger inlet and outlet.
5.6 Outdoor Fan Control
The speed of the outdoor unit fans is adjusted in steps, as shown in Table 3-5.3.
Table 3-5.3: Outdoor fan speed steps
Fan speed index
Fan speed (rpm)
8-18HP
20-22HP
24-32HP
FANA / FANB
FANA / FANB
0
0
0 / 0
0 / 0
1
120
150 / 0
120 / 0
2
150
190 / 0
150 / 0
3
170
230 / 0
170 / 0
4
190
270 / 0
190 / 0
5
210
310 / 0 (150 / 150)
210 / 0
6
230
350 / 0 (180 / 180)
230 / 0
7
250
380 / 0 (210 / 210)
250 / 0 (120 / 120)
8
270
410 / 0 (240 / 240)
270 / 0 ( 150 / 150)
9
290
280 / 280
330 / 0 (170 / 170)
10
310
320 / 320
370 / 0 (190 / 190)
11
330
360 / 360
210 / 210
12
350
400 / 400
230 / 230
13
370
440 / 440
250 / 250
14
390
480 / 480
270 / 270
15
410
520 / 520
290 / 290
16
430
560 / 560
310 / 310
17
450
600 / 600
330 / 330
18
470
640 / 640
350 / 350
19
490
680 / 680
370 / 370
20
510
720 / 720
400 / 400
21
530
760 / 760
430 / 430
22
560
800 / 800
470 / 470

Midea V6-i Series Specifications

General

Brand	Midea
Model	V6-i Series
Category	Air Conditioner
Language	English