200510

Varied Refrigerant VolumeVRV VRF Variable Refrigerant Flowrate GB/T 18837-2002Multi-connected air-condition(heat pump) unit

2233//

2

3

848 HP

20

(7.5m 00.51.01.52.02.53.03.5020406080100120140(kW)EER(W/W)

2.963.232.762.462.592004R/Y2007R/YTarget COP by Top Runner MethodRoom Air ConditionerPackaged Air Conditioner1996year

LiqPgasPliqPHigh,gasPLow,gasTsu,1Tsu,2Tex5R407340m

0.000.501.001.502.002.503.00152025303540 COP30% < < 50% = 50% 50% < < 60%: COP

100~150m 115~175m 50m 15m 30 40m

R22OD t=0.04/m mm p=731 pa/m 18 5.84 kW ( 7.0m/s) 22 10.31 (14~21/11.7~16.1) 28 20.34 (28~36/12.7~16.3) 35 37.31 (45~54/12.7~15.2) 42 61.84

t0 te t , tn

QeQ0

30m50m80m100m120m150mt 2.2 3.6 5.8 7.3 8.8 11 0.930.890.830.780.740.68 0.990.990.970.970.960.95

3

lg phEER3%EER 1.9 2.4

0 5 10 15 20 25 30 20 15 10 5 0 kWABC12233MEOpp23p123

3.0~3.4 2.8~3.2 2.8~3.2 2.3~2.6 1.9~2.4 2.2~2.5

1. 2. ON/OFF 3. 4.

0oC40oC

COPm

EERm

/

R410A

R410A R410A 15.88 7.1~14.0 kW 7.93~15.86 m/s19.05 25.5 18.8422.22 28.0/25.5 14.64/13.4025.40 33.5~ 40.0 / 28.0 13.03~15.59 / 10.9328.58 45.0~ 68.0/ 33.5~ 40.0 13.70~20.56 / 10.10~12.0831.80 73.5~ 96.0 /45.0~ 68.0 17.64~23.09/ 10.9~16.3538.10 101~136.0 /73.5~136.0 17.28~23.18/12.5~

R410A R410A R22 71 R22 18720 Pa R410A 29590 Pa 0.65 100m 0.85

No.1 No.2 No.1 No.2 E E

x h y h z min

70

ON/OFF

Scroll 6

PWMOn:Off:

10 9 11 12 13 14 15 16 17 18 /s /% 0 10 20 30 40 50 60 70 80 90 100 (c) (a) 100% 0% 10s 5s 5s (b) 10s 5s 5s 20s 10s 10s

/on/off 10%100%

T20

0 1 2 3 4 5 6 7 8 9 10 11 12 13 1450

20s

1020s