Daikin GYEQ20AN, Руководство по обслуживанию

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Installation Work Manual SiAUY361411EA
39 Device Overview
0FGHP-EN0801 DGJ002
– 11 –
7 Installing the Outdoor Unit
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Selecting the refrigerant branch kits (REFNET Joints and headers)
z
REFNET Joints and headers should be selected from the table below based on the total capacity of
the indoor units.
z
No additional branch can be added downstream of REFNET header. Model 250 or higher indoor units
cannot be connected downstream of the header.
z
Branching pipes for R22 / R407C cannot be used in place of branching pipes for R410A. Be sure to
use branching pipes designed specifically for use with R410A.
Selecting REFNET Joint
First branch
(the first branch with
respect to the outdoor unit)
Outdoor unit
capacity
REFNET Joint
part number
GYEQ20AN KHRP25A72T
GYEQ30AN KHRP25A73T
Between the second branch and BS unit, downstream of BS unit
Total capacity of indoor units connected
downstream
Total capacity
Between the second
branch and BS unit
(3 pipes)
Downstream of BS unit
(2 pipes)
REFNET Joint part
number
REFNET Joint part
number
Less than 22.4kW KHRP25A22T KHRP26A22T
22.4 kW or more but less than 33.0 kW KHRP25A33T KHRP26A33T
22.4 kW or more but less than 71.0 kW KHRP KHRP25M72TP -
71.0 kW or more KHRP KHRP25M73TP -
Selecting REFNET Headers
Total capacity of indoor units connected downstream
Total capacity
Between the second branch and BS unit
(3 pipes)
Downstream of BS unit
(2 pipes)
REFNET Headers part number REFNET Headers part number
Lower than 22.4 kW
KHRP25M33H
KHRP26M22H
22.4 kW or more but less than 33.0 kW KHRP26M33H
22.4 kW or more but less than 71.0 kW KHRP25M72H -
71.0 kW or more KHRP25M73H -