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

2

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

3

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

Pp

6F150 - Condenser 2

Replacement Condenser 2 - Very Large Flat Tube, Single Pass, Serpentine Flow – Older Technology

Pp

7F150 - Condenser 3

Replacement Condenser 3 - Flat Micro-Tube, Multi-pass Flow – New Technology – Very Efficient

Pp

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

Pp

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

9

“Piccolo’ Condenser Held 47 oz.

Pp

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

Pp

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

11

Pp