Mitsubishi Heavy Industries FDCW100VNX-A, Technical Manual

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Service
- 177 -
‘19 • HM-T-340
Operation control function by the outdoor unit control
Determination of compressor speed (frequency)
1) Maximum and minimum frequency under normal operating conditions
Model FDCW60VNX FDCW71VNX FDCW100VNX FDCW140VNX
Operation mode Cooling Heating Cooling Heating Cooling Heating Cooling Heating
Maximum frequency 106 110 86 118 80 85 77 120
Mimimum frequency 12 12 20 20 20 25 20 20
2) Maximum required frequency under high outdoor air temperature condition
Maximum required frequency is limited according to the outdoor air temperature (Tho-A)
Model FDCW60VNX FDCW71VNX FDCW100VNX FDCW140VNX
Cooling mode
A rps - 67 75 75
B rps - 60 75 70
Heating mode
A rps 90 81 85 85
B rps 75 74 60 85
A rps
B rps
Normal
- - - - FDCW60VNX
40 38 46
44
FDCW71VNX
40 38 46 44 FDCW100VNX
40 38 46
44
FDCW140VNX
<Cooling mode>
A rps
B rps
Normal
13 11 17 16 FDCW60VNX
0 -2 18
15
FDCW71VNX
0 -2 18 15 FDCW100VNX
0 -2 18
15
FDCW140VNX
<Heating mode>
䈜
In case of the FDCW60VNX, Maximum required frequency
is not limited according to the outdoor air temperature.
ThO-A (
℃
) ThO-A (
℃
)
3) Maximum frequency under high condensing saturated temperature (CST or Thi-I whichever higher) in heating mode.
Maximum frequency is limited according to the condensing saturated temperature.
<
FDCW60VNX
>
Model FDCW60VNX Model FDCW60VNX
Cooling mode
Outdoor air
temperature
27
℃
<Tho-A
≦
40
℃
Heating mode
Outdoor air
temperature
Tho-A<0
℃
0
℃≦
Tho-A
A rps 95 A rps 95 90
B rps - B rps Normal 100
Brps
Normal
32 30
45 44 32 30
- -
<Heating mode>
Brps
A rps
14 12
<Cooling mode>
CST or Thi-L whichever
CST or Thi-L whichever higher
0
℃
䍺
Tho-A
Tho-A<0
℃
A rps
<
FDCW71, 100, 140VNX
>
Model FDCW71VNX FDCW100VNX FDCW140VNX
Heating mode
A rps 100 − 100
B rps − − 95
Normal
FDCW71VNX
FDCW140VNX
51
53
A rps
60
B rps
58 49 47
− −
（
°C
）
CST
Operation control function by the outdoor unit control
(rps)
(rps)
(rps) (rps)
(rps)