Specifications

20
System Refrigerant Charge Level Guidelines
Additional charge
Based on liquid pipe size per meter length:
Note:The additional refrigerant charge amount recommended is a guideline for longer piping application. The actual charge required
may be different from the guideline due to different application and variation in site conditions.
Additional Charge, kg/meter
1/4"
5/16"
1/2"
5/8"
3/4"
Liquid Pipe Size, inch
7/8"
0.02
0.04
0.05
0.1
0.17
0.26
0.37
3/8"
MDB075BR MMC075CR 1/2 1 4.60
MDB100BR MMC100BR 5/8 1-1/8 5.60
MDB125CR MMC125BR 5/8 1-3/8 6.50
MDB150BR2 MMC075CR x 2 1/2 1 4.60 x 2
MDB200BR2 MMC100BR x 2 5/8 1-1/8 5.60 x 2
MDB250BR2 MMC125BR x 2 5/8 1-3/8 6.50 x 2
MDB300BR3 MMC100BR x 3 5/8 1-1/8 5.60 x 3
MDB350BR3 MMC100BR + MMC125BR x 2 5/8 1-1/8 & 1-3/8 5.60 + (6.50 x 2)
MDB400BR4 MMC100BR x 4 5/8 1-1/8 5.60 x 4
MDB500BR4 MMC125BR x 4 5/8 1-3/8 6.50 x 4
MDSB200BR2 MMC100BR x 2 5/8 1-1/8 5.60 x 2
MDSB250BR2 MMC125BR x 2 5/8 1-3/8 6.50 x 2
MDSB300BR3 MMC100BR x 3 5/8 1-1/8 5.60 x 3
MDSB350BR3 MMC100BR + MMC125BR x 2 5/8 1-1/8 & 1-3/8 5.60 + (6.50 x 2)
MDSB400BR4 MMC100BR x 4 5/8 1-1/8 5.60 x 4
MDSB500BR4 MMC125BR x 4 5/8 1-3/8 6.50 x 4
Refrigerant Charge
(kg/7.5m pipe length)
Indoor Outdoor Liquid Pipe Gas Pipe