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28
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'13 • SRK-T-142
6. RANGE OF USAGE & LIMITATIONS
Indoor return air temperature
(Upper, lower limits)
Refrigerant line (one way) length
Power source voltage Rating 㫧10%
Voltage at starting Min. 85% of rating
Frequency of ON-OFF cycle
Max. 7 times/h
(Inching prevention 5 minutes)
ON and OFF interval Min. 3 minutes
Outdoor air temperature
(Upper, lower limits)
Vertical height difference between
outdoor unit and indoor unit
Max. 30m
Max. 20m (Outdoor unit is higher)
Max. 20m (Outdoor unit is lower)
Item
Models
SRK63ZM-S,71ZM-S,80ZM-S
Cooling operation : Approximately 18 to 32㷄 D.B.
Heating operation : Approximately 10 to 30㷄 D.B.
(Refer to the selection chart)
Cooling operation : Approximately -15 to 46㷄 D.B.
Heating operation : Approximately -15 to 24㷄 D.B.
(Refer to the selection chart)
Selection chart
Correct the cooling and heating capacity in accordance with the conditions as follows. The net cooling and heating capacity can be
obtained in the following way.
Net capacity = Capacity shown on specification
Correction factors as follows.
(1) Coefficient of cooling and heating capacity in relation to temperatures
.
Depends on installed situation
ISO-T1 Standard Condition
2220181614
Indoor air W.B. temperature °C W.B
Applicable range
Cooling
Heating
0.6
0.7
0.8
0.9
1.0
1.2
1.1
1.3
0
-5
-10
-15
20
25
30
35
40
46
10
15
20
25
30
Cooling operation
Outdoor air D.B.
temperature
°C D. B.
Coefficient of cooling
&
Heating capacity in
relation to temperature
Heating operation
Indoor air D.B.
temperature
°C D. B.
24
26
Outdoor air W.B. temperature °C W.B.
-15 -10 -5 0 5 10 15
ISO-T1 Standard Condition
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