Range Of Usage & Limitations - Mitsubishi Heavy Industries SRR25ZM-S Technical Manual

7. RANGE OF USAGE & LIMITATIONS
RANGE OF USAGE & LIMITATIONS
Item
Indoor return air temperature
(Upper, lower limits)
Outdoor air temperature
(Upper, lower limits)
Refrigerant line (one way) length
Vertical height difference between
outdoor unit and indoor unit
Power source voltage
Voltage at starting
Frequency of ON-OFF cycle
ON and OFF interval
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
Model
1.3
1.2
1.1
1.0
0.9
0.8
0.7
0.6
46
40
35
30
25
20
0
-5
-10
-15
14
Indoor air W.B. temperature °C W.B
27
25
20
15
10
-15 -10 -5
Outdoor air W.B. temperature °C W.B.
SRR25ZM-S, 35ZM-S
Cooling operation : Approximately 18 to 32℃ D.B.
Heating operation : Approximately 10 to 30℃ D.B.
(Refer to the selection chart)
Cooling operation : Approximately -15 to 46℃ D.B.
Heating operation : Approximately -15 to 24℃ D.B.
(Refer to the selection chart)
Max. 15m
Max. 10m
(Outdoor unit is higher)
Max. 10m
(Outdoor unit is lower)
Rating ±10%
Min. 85% of rating
Max. 4 times/h
(Inching prevention 10 minutes)
Min. 3 minutes
Cooling
Heating
Applicable range
Depends on installed situation
16 18 20
.
ISO-T1 Standard Condition
0 5 10
ISO-T1 Standard Condition

- -
'15 • SR-T-185
26
24
22
15