McQuay MDB075B Manual page 97

HEATPUMP
Indoor
MDB075BR MMC075CR
MDB100BR MMC100BR
MDB125CR MMC125BR
MDB150BR2 MMC075CR x 2
MDB200BR2 MMC100BR x 2
MDB250BR2 MMC125BR x 2
MDB300BR3 MMC100BR x 3
MDB350BR3 MMC100BR + MMC125BR x 2
MDB400BR4 MMC100BR x 4
MDB500BR4 MMC125BR x 4
Remark:
With Scroll compressor and bi-flow TXV at the outdoor unit specification.
ADDITIONAL CHARGE
Based on liquid pipe size per meter length:
Liquid Pipe Size, inch
1/4"
5/16"
3/8"
1/2"
5/8"
3/4"
7/8"
Note: Refer to the table of the Recommended Maximum Pipe Length.
Outdoor Liquid Pipe
Additional Charge, kg/meter
Gas Pipe
1/2" 1"
5/8" 1-1/8"
5/8" 1-1/4"
1/2" 1"
5/8" 1-1/8"
5/8" 1-1/4"
5/8" 1-1/8"
5/8" 1-1/8" & 1-1/4"
5/8" 1-1/8"
5/8" 1-1/4"
0.02
0.04
0.05
0.10
0.17
0.26
0.37
96
Refrigerant Charge
CFM
(kg/7.5m pipe length)
2500 4.6
3200 5.6
4200 6.5
4600 4.6 x 2
6400 5.6 x 2
8000 6.5 x 2
9000 5.6 x 3
10500 5.6 + 6.5 x 2
12000 5.6 x 4
15000 6.5 x 4