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MAINTENACE
0
116
0
CHV
5 COM PACT MULTI VRF UNIT
SERVICE M ANUAL
b3. Confirm that the gas valve and liquid valve for outdoor unit is at off status;
b4. When the unit hasn’t been turned on, open the governing valve for the liquid-charging tank and then charge
refrigerant from gas pipe and liquid pipe at the same time.
b5. Obeserve the data weightometer, close the valve after it is reached to requirement and then close the valve for
liquid-charging tank;
b6. If the refrigerant can’t be added completely, add it when turning on the unit. Charge refrigerant from the
detection joint of cooling gas pipe or detection joint of gas vavle.
c. Notice for filling refrigerant
c1. Calculate the section and length of cooling liquid pipe preciously for the precision refrigerant -charing
volume.
c2. Measure the additional refrigerant volume preciously;
c3. R410AInvert to charge the R410A for ensuting the liquid-charging;
c4. When the temperature is low, heat the liquid-storage tank with hot water or hot wind for helping
refrigerant-charging. However, prohibit use flame to heat the liquid-storage tank directly. Otherwise, it may cuase
personal injury or property damage due to explosion
5.5 Connection Pipe Size
If L
≥
90m and H
≥
15m, then :
Model
Equivalent length L
,
He ight diffe rence between outdoor and indoor unit: H
L< 90m and
H< 15m
L< 90m and
H 15m
L 90m and
H< 15m
L 90m and
H 15m
CHV-5S280SNMX
L1Gas pipe
φ
22.2
φ
22.2
φ
22.2
φ
28.6
L1Liquid pipe
φ
9.52
φ
9.52
φ
9.52
φ
12.7
CHV-5S250SNMX
L1Gas pipe
φ
22.2
φ
22.2
φ
22.2
φ
28.6
L1 Liquid pipe
φ
9.52
φ
9.52
φ
9.52
φ
12.7
CHV-5S224SNMX
L1 Gas pipe
φ
22.2
φ
22.2
φ
22.2
φ
22.2
L1 Liquid pipe
φ
9.52
φ
9.52
φ
9.52
φ
12.7
Содержание CHV-5S224SNMX
Страница 1: ...CHV5 COMPACT MULTI VRF UNIT SERVICE MANUAL R410A 50 60Hz...
Страница 3: ...1 PRODUCT CHV5 COMPACT MULTI VRF UNIT SERVICE MANUAL PRODUCT...
Страница 11: ...0 900 CONTROL CHV5 COMPACT MULTI VRF UNIT SERVICE MANUAL CONTROL...
Страница 50: ...INSTALLATION 0 48 0 CHV5 COMPACT MULTI VRF UNIT SERVICE MANUAL INSTALLATION...
Страница 74: ...MAINTENACE 0720 CHV5 COMPACT MULTI VRF UNIT SERVICE MANUAL Maintenace...
Страница 120: ...MAINTENACE 01180 CHV5 COMPACT MULTI VRF UNIT SERVICE MANUAL...