replacement condensers charge level adjustment may be necessary
TRANSCRIPT
Replacement Condensers
Charge Level Adjustment May be
Necessary
Replacement Condensers
Most Vehicles Use Flat Macro or Micro Tube, Multi-pass, Condensers
Virtually Impossible to Flush After Compressor Failure Will Need to be Replaced.
Sub-Cooling Condenser
Multiple Passages In Header
Tanks
Multiple Passages In Header
Tanks
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Replacing the Condenser?
Condenser Technology Has Advanced Replacement Condenser May be More Efficient (or Less)
than the Original Unit
Replacement (Including OE) May not be an Exact Match for the Original Unit
Tube & Fin May be Replaced by Flat Tube Multi-pass Micro Tube Unit
Flat Tube Multi-pass Macro-Tube Might be Replaced with Thinner Micro-Tube Unit.
System Capacity May be Affected
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Flat Micro-Tube
Flat Macro-Tube
Condenser Tube Comparisons4
16 x 1 mm, 15 Passages, .4 x .8 mm
16 x 1.75 mm, 16 Passages, .7 x 1 mm
18 x 2 mm, 10 Passages, 1.24 x 1.35 mm
22 x 2 mm, 10 Passages, 1.24 x 1.75 mm
22 x 2 mm, 13 Passages, 1 x 1 mm
22 x 1 mm, 18 Passages, .4 x .9 mm
26 x 2 mm, 10 Passages, 2.15 x 1.26 mm
Actual Size!
5F150 - Condenser 1
Replacement Condenser 1 - Muti-pass Tube & Fin (Piccolo) Design – Older Technology
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6F150 - Condenser 2
Replacement Condenser 2 - Very Large Flat Tube, Single Pass, Serpentine Flow – Older Technology
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7F150 - Condenser 3
Replacement Condenser 3 - Flat Micro-Tube, Multi-pass Flow – New Technology – Very Efficient
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Compare 8
1. Tube & Fin
“Piccolo”
3. Flat Micro-Tube,
Multi-pass Flow
2. Very L
arge F
lat
Tu
be, S
erpen
tine F
low
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Condenser Capacity
We Evacuated Each Condenser & Charged it with Liquid Refrigerant
They Held: 1. Piccolo = 47 oz. (Matches O.E.) 2. Serpentine = 43 oz. 3. Micro-Tube = 26 oz.
We Need to Adjust
Original Charge
Amount
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“Piccolo’ Condenser Held 47 oz.
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10How to Handle?
Compare Original and Replacement Unit Dimensions Basic Design – Flat (Micro or Macro) Tube,
Serpentine or Multi-pass, Tube & Fin? Compare # of Tubes Size of Header Tanks Connection Line Diameter # of Cooling Fins/Inch Condenser
Thickness
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Confirm Charge Level
Perform Temperature Test to Validate Charge Level
Start at 80% of Original Charge Add 1-2 oz. Increments Monitor the Three “Dees” Condenser Drop 20-50 Deg F Ambient to Duct More that 30 Deg. Difference Final Charge May be More or Less than
Original When Evaporator Inlet/Outlet Difference = 0
Deg. F Charge Level Correct
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