McQuay MDB075B User Manual

95
System Refrigerant Charge Level Guidelines
COOLING ONLY
Indoor Outdoor Liquid Pipe Gas Pipe CFM
Refrigerant Charge
(kg/7.5m pipe length)
MDB075B MMC075B 1/2" 1" 2500 4.00
MDB075B MMC075C 1/2" 1" 2500 4.50
MDB100B MMC100B 5/8" 1-1/8" 3200 7.60
MDB100B MMC100C 5/8" 1-1/8" 3200 7.00
MDB125B MMC125B 5/8" 1-1/4" 4200 7.95
MDB125C MMC125B 5/8" 1-1/4" 4200 7.80
MDB150B2 MMC075B x 2 1/2" 1" 4600 4.00 x 2
MDB150B2 MMC075C x 2 1/2" 1" 4600 4.50 x 2
MDB150C2 MMC075B x 2 1/2" 1" 4600 4.00 x 2
MDB150C2 MMC075C x 2 1/2" 1" 4600 4.50 x 2
MDB150B1 MMC150C 5/8" 1-3/8" 4600 10.1
MDB150C1 MMC150C 5/8" 1-3/8" 4600 8.8
MDB200B2 MMC100B x 2 5/8" 1-1/8" 6400 7.60 x 2
MDB200B2 MMC100C x 2 5/8" 1-1/8" 6400 7.00 x 2
MDB250B2 MMC125B x 2 5/8" 1-1/4" 8000 7.95 x 2
MDB300B3 MMC100B x 3 5/8" 1-1/8" 9000 7.60 x 3
MDB300B3 MMC100C x 3 5/8" 1-1/8" 9000 7.00 x 3
MDB350B3 MMC100B + MMC125B x 2 5/8" 1-1/8" & 1-1/4" 10500 7.60 + (7.95 x 2)
MDB350B3 MMC100C + MMC125B x 2 5/8" 1-1/8" & 1-1/4" 10500 7.00 + (7.95 x 2)
MDB400B4 MMC100B x 4 5/8" 1-1/8" 12000 7.60 x 4
MDB400B4 MMC100C x 4 5/8" 1-1/8" 12000 7.00 x 4
MDB450B3 MMC150C x 3 5/8" 1-3/8" 13500 10.10 x 3
MDB500B4 MMC125B x 4 5/8" 1-1/4" 15000 7.95 x 4
MDB600B4 MMC150C x 4 5/8" 1-3/8" 18000 10.10 x 4
MDB750B5 MMC150C x 5 5/8" 1-3/8" 22500 10.10 x 5
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 Additional Charge, kg/meter
1/4” 0.02
5/16” 0.04
3/8” 0.05
1/2” 0.10
5/8” 0.17
3/4” 0.26
7/8” 0.37
Note: Refer to the table of the Recommended Maximum Pipe Length.

McQuay MDB075B Specifications

General

Brand	McQuay
Model	MDB075B
Category	Air Conditioner
Language	English