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569J 12-1 4 PIPING RECOMMENDATIONS (TWO-CIRCUIT UNIT)
NOTE: 569J requires TWO sets of refrigeration piping
R---410A Equivalent Length
Ft 0 --- 38 38---75 75---113 113---150 150---188
m 0 --- 12 12---23 23---34 34---46 46---57
Model
Linear Length
Ft 0 --- 25 25---50 50---75 75---100 100---125
m 0 --- 8 8 --- 15 15---23 23---30 30---38
569J*12 Liquid Line
3
/
8
3
/
8
3
/
8
1
/
2
3
/
8
1
/
2
3
/
8
1
/
2
Max Lift (ft)
Novation 25 50 28 75 DNU 100 DNU 99
RTPF 25 50 75 NR 83 100 62 125
Suction Line
7
/
8
7
/
8
1
1
/
8
1
1
/
8
1
1
/
8
Charge (lbs ) (e a c ircui t )
Novati on 7.1 8.1 9.6 11.9 DNU 13.8 DNU 15.8
RTPF 13.3 14.3 15.8 NR 16.9 20.0 18.1 22.0
569J*14 Liquid Line
3
/
8
3
/
8
3
/
8
1
/
2
3
/
8
1
/
2
3
/
8
1
/
2
Max Lift (ft)
Novation 25 50 48 75 DNU 100 DNU 122
RTPF 25 50 75 NR 54 100 45 125
Suction Line
7
/
8
7
/
8
1
1
/
8
1
1
/
8
1
1
/
8
Charge (lbs ) (e a c ircui t )
Novati on 9.7 10.7 14.5 DNU 16.4 DNU 18.4
RTPF 23.0 24.0 27.8 NR 26.6 29.7 27.8 31.7
Legend:
Equivalent
Length
Equivalent tubing length, including effects of refrigeration specialties devices
Linear Length Linear tubing length, feet
Liquid Line Tubing size, inches OD.
Max Lift Maximum liquid lift (indoor unit ABOVE outdoor unit only), at maximum permitted liquid line pressure drop
S Linear Length Less than 75 ft (23 m): Minimum 2.0°F subcooling entering TXV
S Linear Length Greater than 75 ft (23m): Minimum 0.5°F subcooling entering TXV
Suction Line Tube size, inches OD
See highlighted: Do not use with RTPF coil model
Charge Charge Quantity, lbs. Calculated for both liquid line sizes (where applicable), but only with larger suction line size (where
appli cable)
DNU Do Not Use (pressure drop exceeds available subcooling in this model)
NR Not Recommended (use smaller liquid tube size)
NOTE: For applications with equivalent length greater than 188 ft (57 m) and/0r linear length greater than 125 ft (38 m), contact
your local Carrier representative.
569J