Selection Chart - Mitsubishi Heavy Industries SRK20ZD-S1 Technical Manual

Models SRK40CD-S1, 40CC-S1
Indoor unit
Flare connecting
Room temp.
sensor
Heat
exchanger
Flare connecting

(5) Selection chart

Correct the cooling capacity in accordance with the conditions as follows. The net cooling capacity can be obtained in the following
way.
Net capacity = Capacity shown on specification ✕ Correction factors as follows.
(a) Coefficient of cooling capacity in relation to temperatures
(b) Correction of cooling capacity in relation to one way length of refrigerant piping
It is necessary to correct the cooling capacity in relation to the one way piping length between the indoor and outdoor units.
Piping length [m]
Cooling
Outdoor unit
Service valve
(Gas)
Piping
Check joint
(Gas)
ø12.7
Heat
exchanger
sensor
Service valve (Liquid)
Piping
(Liquid)
ø6.35
1.3
1.2
Cooling
1.1
1.0
0.9
0.8
0.7
0.6
43
40
35
30
25
21
Indoor air W.B. temperature ˚C W.B.
7 10
1.0 0.99
Discharge temp.
sensor
Compressor
Capillary tube
Electronic
expansion valve
Applicable range
16 18 20
ISO-T1 Standard Condition
15
0.975
273
- -
Cooling cycle
Outdoor air
temp. sensor
Accumulator
Heat
exchanger
Heat exchanger
sensor
22 24