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Additional R-410A Charge / TXV Size for Various Matched Systems
Outdoor Unit
Approved System Thermal Expansion Valve
Factory Charge, lbs-oz
2
Indoor Coil
FC/MC/PC35B
FC/MC/PC37A
FC/MC/PC43B
FC/MC/PC43C
FC/MC/PC48C
FC/MC/PC48D
FC/MC/PC60D
FC/MC62D
UC48D
UC60D
AV36C
AV/SV60D
F4FV060D
FOOTNOTES:
1 Systems matched with furnace or air handlers not equipped with blower-off delays may require blower Time Delay Kit 2FD06700224.
2 PC coils cannot be used in downflow or horizontal applications. FC coils cannot be used in horizontal applications.
3 A TXV kit must be used with these coils to obtain system performance.
Note: If a TXV is factory installed on the coil, it must be replaced with the listed TXV.
1. Unit factory charge listed on the unit nameplate includes refrigerant for the condenser, the smallest evaporator and 15 feet of intercon-
necting line tubing.
2. Verify the TXV and additional charge required for specific evaporator coil in the system using the above table.
3. Additional charge for the amount of interconnecting line tubing greater than 15 feet at the rate specified on the previous page.
4. Permanently mark the unit nameplate with the total system charge. Total System Charge = Base Charge (as shipped) + adder for evap-
orator + adder for line set.
AC8B024F1
1
1TVM(902/4F1)
16 - 2
1
0
0
7
7
7
17
17
-
-
-
0
-
-
17
-
7
-
-
-
AC8B036F1
AC8B048F1
1TVM(904/4H1)
1TVM(905/4J1)
15 - 14
13 - 8
3
TXV Kit
- Additional Charge, Oz
-
-
-
24
24
24
7
7
-
-
39
-
24
-
7
-
0
-
-
-
350155-CTG-C-0808
AC8B060F1
1TVM(906/4K1)
14 - 1
-
-
-
-
-
-
-
-
-
-
-
-
10
-
10
-
-
0
-
0
15
12
-
-
-
-
1
0
10
-
-
0
-
-
1
-
0
0
1
0
3
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