Johnson Controls DCX18CSB21S, Service Manual

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7
Technical Information
Service Manual
2.5 Cooling and Heating Data Sheet in Rated Frequency
Rated cooling
condition(°F) (DB/WB)
Model
Pressure of gas pipe
connecting indoor and
outdoor unit
Inlet and outlet pipe
temperature of heat
exchanger
Fan speed of
indoor unit
Fan speed of
outdoor unit
Compressor
revolution
(rps)
Indoor Outdoor P (MPa) T1 (°F) T2 (°F)
80/66.9 95/- 18K 0.9~1.0
in:46.4~51.8
out:51.8~57.2
in:167~181.4
out:98.6~118.4 Super High
High 73
80/66.9 95/- 24K 0.9~1.0
in:46.4~51.8
out:51.8~57.2
in:167~181.4
out:98.6~118.4 Super High
High 75
Rated heating
condition(°F) (DB/WB)
Model
Pressure of gas pipe
connecting indoor and
outdoor unit
Inlet and outlet pipe
temperature of heat
exchanger
Fan speed of
indoor unit
Fan speed of
outdoor unit
Compressor
revolution
(rps)
Indoor Outdoor P (MPa) T1 (°F) T2 (°F)
70/60 19.94/19.04 18K 3.5~3.8
in:167~181.4
out:98.6~113
in:33.8~37.4
out:35.6~42.8 Super High
High 75
Instruction:
T1: Inlet and outlet pipe temperature of evaporator
T2: Inlet and outlet pipe temperature of condenser
P: Pressure at the side of big valve
Connection pipe length: 24.6ft.
Cooling:
Heating:
2.4 Noise Curve
24K
18K
20
30
40
50
L M H SH
Indoor fan motor rating speed
Noise/dB(A)
46
48
50
52
54
56
58
60
20 30 40 50 60 70 80 90 100
Compressor frequency(Hz)
Noise dB(A)
Heating
Cooling
Indoor side noise Outdoor side noise