PIPING RECOMMENDATION
38AUMZ07-08 PIPING RECOMMENDATION (SINGLE CIRCUIT UNIT)
Ft 0-38 38-75 75-113 113-150 150-188
m 0-12 12-23 23-34 34-46 46-57
Ft 0-25 25-50 50-75 75-100 100-125
m 0-8 8-15 15-23 23-30 30-38
Liquid Line 3/8 3/8 3/8 3/8 3/8
Max Lift (ft) 25 50 75 100 125
Suction Line 7/8 7/8 7/8 7/8 7/8
Charge (Ibs) 12.8 13.9 17.0 18.8 20.6
Liquid Line 1/2 1/2 1/2 1/2 1/2
Max Lift (ft) 25 50 75 100 93
Suction Line 7/8 7/8 7/8 7/8 7/8
Charge (Ibs) 13.7 14.8 16.8 18.9 20.6
38AUMD12-16 PIPING RECOMMENDATION (DUAL CIRCUIT UNIT)
Ft 0-38 38-75 75-113 113-150 150-188
m 0-12 12-23 23-34 34-46 46-57
Ft 0-25 25-50 50-75 75-100 100-125
m 0-8 8-15 15-23 23-30 30-38
Liquid Line 3/8 3/8 3/8 3/8 3/8
Max Lift (ft) 25 50 75 83 62
Suction Line 7/8 7/8 7/8 7/8 7/8
Charge (Ibs) 11.7/11.7 12.7/12.7 14.2/14.2 15.3/15.3 16.5/16.5
Liquid Line 3/8 3/8 3/8 3/8 3/8
Max Lift (ft) 25 50 75 54
45
Suction Line 7/8 7/8 7/8 7/8 7/8
Charge (Ibs) 15.4/16.3 16.4/17.3 20.2/21.1 19/19.9 20.2/21.1
Liquid Line 1/2 1/2 1/2 1/2 1/2
Max Lift (ft) 25 50 75 54 45
Suction Line 7/8 7/8 7/8 7/8 7/8
Charge (Ibs) 20.9/19.3 21.9/20.3 25.7/24.1 24.5/22.9 25.7/24.1
Legend:
Equivalent: Length Equivalent tubing length, including effects of refrigeration specialties devices
Linear Length: Linear tubing length, feet
Liquid Line: Tube size, inches OD.
Suction Line: Tube size, inches OD
• Linear Length Less than 75 ft (23 m): Minimum 2.0° F subcooling entering TXV
• Linear Length Greater than 75 ft (23m): Minimum 0.5° F subcooling entering TXV
DNU Do Not Use (pressure drop exceeds available subcooling in this model)
Model
Equivalent Length
Linear Length
Model
Linear Length
38AUMZ07
38AUMZ08
38AUMD12
38AUMD14
38AUMD16
Max Lift: Maximum liquid lift (indoor unit ABOVE outdoor unit only), at maximum permitted liquid line pressure drop:
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.
Charge Charge Quantity, lbs. Calculated for both liquid line sizes (where applicable), but only with larger suction line
size (where applicable)
To Next Page
Loading...
