Johnson Controls DHR18CSB21S, Service Manual

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Service Manual
9
Model
Indoor unit
DHR36NCB21S DHR42NCB21S DHR48NCB21S
Outdoor unit
DHR36CSB21S DHR42CSB21S DHR48CSB21S
Capacity
Cooling Capacity Btu/h 34000(10800~39000) 39500(12000~42500) 48000(20400~50500)
Heating Capacity Btu/h 41000(9800~49500) 44000(13000~52500) 54500(17500~61500)
Power Input
Cooling kW 3.28(0.80~4.60) 4.05(0.60~4.70) 4.95(1.30~5.50)
Heating kW 3.75(0.65~4.80) 4.05(0.69~4.80) 4.60(1.20~5.40)
SEER / HSPF (Btu/h)/W 16.00/9.00 16.00/9.00 16.00/9.00
Indoor Unit
DHR36NCB21S DHR42NCB21S DHR48NCB21S
Power Supply V/Ph/Hz 208/230V
1Ph
~ 60Hz 208/230V
1Ph
~ 60Hz 208/230V
1Ph
~ 60Hz
Heat Exchange
r
- Cross Fin Coil Cross Fin Coil Cross Fin Coil
Fan
Drive - Direct Direct Direct
Motor Output kW 0.15×1 0.15×1 0.25×1
Air Flow m
3
/h(CFM) 1900(1115) 1900(1115) 2300(1350)
Sound Pressure Level(SS/H/M/L) dB(A) 54/53/51/46 55/54/52/47 56/55/50/46
Air Filter - PP PP PP
Condensate
Piping
mm(inch)
Φ17×1.75
(φ0.67×0.07)
Φ17×1.75
(φ0.67×0.07)
Φ17×1.75
(φ0.67×0.07)
Outline Dimensions (W×H×D) mm(inch)
1420×245×700
(55.9×9.6×27.6)
1420×245×700
(55.9×9.6×27.6)
1700×245×700
(66.9×9.6×27.6)
Net Weight kg(lb) 48.0(105.8) 50.0(110.3) 59.0(130.1)
Outdoor Unit
DHR36CSB21S DHR42CSB21S DHR48CSB21S
Power Supply V/Ph/Hz 208/230V
1Ph
~ 60Hz 208/230V
1Ph
~ 60Hz 208/230V
1Ph
~ 60Hz
Heat Exchange
r
- Cross Fin Coil Cross Fin Coil Cross Fin Coil
Compressor
Type - Rotary Rotary Rotary
Power Input W 4150 4150 4580
Refrigerant
R410A
Control -
Electronic Expansion
Valve
Electronic Expansion
Valve
Electronic Expansion
Valve
Charge kg(oz) 3.5(123.5) 3.7(130.5) 4.0(141.1)
Outline Dimensions (W×H×D) mm(inch)
1107×1100×440
(43.6×43.3×17.3)
958×1349×412
(37.7×53.1×16.2)
958×1349×412
(37.7×53.1×16.2)
Net Weight kg(lb) 93.0(205.1) 95.0(209.5) 105.0(231.5)
Piping
Connections
Liquid Inch
Φ3/8 Φ3/8 Φ3/8
Gas Inch
Φ5/8 Φ5/8 Φ5/8
Max. Length m(ft) 30(98.4) 50(164.0) 50(164.0)
Max. Height m(ft) 15(49.2) 30(98.4) 30(98.4)
Note: Nominal capacities are based on the follow
ing
conditions.
Indoor Outdoor
Cooling
DB:
80.0
℉ (
26.7
℃
)
WB:
67.0
℉ (
19.4
℃
)
DB:
95.0
℉ (
35.0
℃
)
WB:
75.0
℉ (
23.9
℃
)
Heating
DB:
70.0
℉ (
21.1
℃
)
WB:
60.0
℉ (
15.6
℃
)
DB:
47.0
℉ (
8.33
℃
)
WB:
43.0
℉ (
6.11
℃
)
Piping Length 18k~48k units
25.0ft (
7.6m)
The air volume is measured at the relevant standard external static pressure.
Noise is tested in
a s
emi
-
anechoic room, so it should be slightly higher in the actual operation due to
environmental change.