556454-YTG-B-0410
4
Johnson Controls Unitary Products
PROCEDURES:
1. Unit factory charge listed on the unit nameplate includes refrigerant for the condenser, the smallest evaporator and 15 feet of interconnecting
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 in Physical and Electrical Data Table.
4. For TXV matches requiring additional charge, the refrigerant needs to be weighed in for specific coil match and lineset length.
5. Permanently mark the unit nameplate with the total system charge. Total System Charge = Base Charge (as shipped) + adder for evap
adder for line set.
UC18 1
–
–
–
–
–
UC24 5
5
–
–
–
–
UC30 5
5
3
–
–
–
UC36 7
7
4
1
–
–
UC42 –
9
3
0
–
–
UC48
–
25
21
17
6
–
UC60
–
–
–
–
11
–
FOOTNOTES:
1. For applications requiring a TXV use 1TVM series kit.
2. Systems matched with furnace or air handlers not equipped with blower-off delays may require blower Time Delay Kit 2FD06700224.
3. PC coils cannot be used in downflow or horizontal applications. FC coils cannot be used in horizontal applications.
System Charge for Various Matched Systems (Continued)
Outdoor Unit
TCHD18S41S3
TCHD24S41S3
TCHD30S41S3
TCHD36S41S3
TCHD48S41S3
TCHD60S41S3
Required Orifice or TXV
1
1TVM4F1
1TVM4F1
1TVM4G1
1TVM4G1
1TVM4J1
1TVM4K1
Factory Charge, lbs-oz
2 - 14
3 - 5
4 - 0
4 - 8
5 - 5
5 - 6
Indoor Coil
2,3
Additional Charge, oz
