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140
120
100
80
60
40
20
0
500 700 780
900
Standard air volume 780m³/h
Static pressure (Pa)
Air volume m³/h
140
120
108
100
80
60
40
20
0
500 700 780
900
Standard air volume 780m³/h
Static pressure (Pa)
Air volume m³/h
140
120
100
80
60
40
20
0
800 1000
12001140 1300
Standard air volume 1140m³/h
Static pressure (Pa)
Air volume m³/h
140
120
100
80
60
40
20
0
800 1000
12001140 1300
Standard air volume 1140m³/h
Static pressure (Pa)
Air volume m³/h
Air volume limit (Max.)
Usable limit
Usable limit
Usable limit
Usable limit
High static pressure 2H tap
High static pressure 2H tap
High static pressure 2H tap
High static pressure 2H tap
Lo
w static pressure H ta
p
Standard L tap
High static pressure 1H tap
Standard H tap
Low static pressure H tap
Standard L tap
High static press
ure 1H tap
Standard H tap
Low static pressure H tap
Standard L tap
High static pressure 1H tap
Standard H tap
Low static pressure H tap
Standard L
tap
High static pressure 1H tap
Standard H tap
Air volume limit (Min.)
Air volume limit (Max.)
Air volume limit (Min.)
Air volume limit (Max.)
Air volume limit (Min.)
Air volume limit (Max.)
Air volume limit (Min.)
1. AIR DUCTING WORK
1-1. Static Pressure Characteristics
Concealed Duct type
RAV-SN564BT
∗∗
∗∗
∗
, RAV-SN804BT
∗∗
∗∗
∗
, RAV-SN1104BT
∗∗
∗∗
∗
, RAV-SN1404BT
∗∗
∗∗
∗
Fig. 1 SM56 type (Round duct)
Fig. 2 SM56 type (Square duct)
Fig. 3 SM80 type (Round duct)
Fig. 4 SM80 type (Square duct)