Specifications
63
1. Compressor
Control modes RemarksControl details
1-6. Discharge temperature over-rise prevention control
Frequency controls such as Hz-down and no more Hz-up will be conducted
according to the discharge temperature (TH4).
Temperature restriction: No more Hz-up ··· When TH4 detects 105: or more
Hz-down ···
-6Hz per min. when TH4 detects 110: or more
···
-10Hz per min. when TH4 detects 118: or more
1-7. Condensing temperature over-rise prevention control
Frequency controls such as Hz-down and no more Hz-up will be conducted
according to the outdoor condenser/evaporator temperature (TH6)
1-8. Heat sink temperature over-rise prevention control w1
Frequency controls such as Hz-down and no more Hz-up will be conducted
according to the heat sink temperature (TH8).
Temperature restriction:
Models
No more Hz-up
Hz-down
78:
78:
71:
71:
78:
78:
78:
81:
81:
74:
74:
81:
81:
81:
PUHZ-RP1.6VHA
PUHZ-RP2VHA
PUHZ-RP2.5VHA
PUHZ-RP3VHA
PUHZ-RP4VHA
PUHZ-RP5VHA
PUHZ-RP6VHA
Models
No more Hz-up
Hz-down
88:
88:
88:
88:
88:
91:
91:
91:
91:
91:
PUHZ-RP4YHA
PUHZ-RP5YHA
PUHZ-RP6YHA
PUHZ-RP8YHA
PUHZ-RP10YHA
2. Fan
2-1. Normal control
Fan rotation times (rpm) will be controlled according to the outdoor outside
temperature (TH7).
• Control method: Inverter control
• Rotation times: Fan step (N) = 0 and 2 to 10
• Compressor start-up: Fan step is fixed to 9 for 30 seconds after the
start-up of compressor.
1-9. Outdoor unit frozen protection control
If the cooling operation is continued for 16 hours, the compressor stops for
3 minutes.
2-2. Correction of fan step according to the outdoor cond./eva. temperature
Fan step will be corrected according to the outdoor cond./eva. temp.(TH6).
• Correction range of condensing temperature : 30
:
to 53
:
• Correction range of fan step: -1 to +3
2-3. Correction of fan step according to the heat sink temperature
Fan step will be corrected according to the heat sink temperature (TH8).
• Correction range of heat sink temperature: 68
:
to 78
:
• Correction range of fan step: 0 to +2
2-4. Other
(1) Fan also stops when the compressor is being stopped. (Fan step = 0)
However, fan step will be set to 10 while the compressor is being stopped
due to the abnormal heat sink temperature (Error code = U5).
At this time, the compressor is just waiting for 3 minutes to restart.
N=2
N=3
N=4
N=5
N=6
N=7
N=8
N=9
N=10
40 [
:
]-3 0 2 5 7 10 12 15 17 20 22 25 27 30 37
0
1
2
3
4
5
6
7
8
9
10
Step
(N)
Outside temperature (TH7)
RP1.6, 2
RP4-6
Step (N)—Rotation
times(rpm)
w1 Thermistor (TH8)
for RP·YHA is with
built-in the
power-module.
Rotation times(rpm)
0
105
135
165
205
265
340
430
530
680
700
RP2.5, 3
0
95
115
135
165
200
245
305
450
700
720
0
125
155
175
200
240
285
360
465
700
720
W Hz-down amount: -5Hz per minute
Temperature restriction (TH6)
No more Hz-up
Hz down (-5 Hz per min.).
Hz down (-10 Hz per min.).
RP1.6~ 3
58:
60:
63:
RP4~ 6
56:
58:
61:
RP8, 10
54:
56:
59:
Step
(N)
0
1
2
3
4
5
6
7
8
Step
(N)
9
10
Rotation times (rpm)RP8, 10
Compressor frequency(Hz)
~58
600
700
59
~
68
600
700
69
~
76
650
700
77
~
82
700
700
RP8, 10
0
60
80
100
120
160
220
320
440
Rotation times (rpm)
Step
(N)
9
10
Rotation times (rpm)RP8, 10
Compressor frequency(Hz)
83
~
89
550
750
90
~
98
600
600
99~
600
700
From the previous page.
OCT04B-3.qxp 05.11.29 11:30 AM Page 63