− 12−
Refrigeration circuit
MDF-U333 Unit：ｍｍ
Parts description Specification
Type Tube on sheet
Evaporator
Material Aluminum (φ 8.0)
Type of molecular sieves
４A-XH9（134 stamped）
Dehydrator
Charged q’ty 8±1g
Resistance 0.686MPaG （7Kgｆ／㎠ G）
Dimension φ 1.8×(φ 0.65)×2000mm
Capillary tube
Resistance indicator color White
Type Wire and tube
Condenser assembly A
Dimension
w
480×
P
40×30 columns
Type Wire and tube
Condenser assembly B
Dimension
w
480×
P
40×30 columns
Note: Lower 2 columns are used
in desuper circuit.
Material C1220T-1/2H
Frame pipe
Dimension
φ 4.0×
ｔ
0.5
Evacuation and vacuum
pressure
Evacuation time: over than 20min. by 2 ports (high pressure and low
pressure side). (N2 exchange)
When charged, vacuum pressure is lower than 1.0torr
（pump capacity： 300L/min）
Refrigerant : R-134a Charged q’ty : 226±5g
Oil : CF－32 Charged q’ty : 230±10cc
Refrigerant and oil
Oil additive: n-pentane Charged q’ty : 14g
Refrigeration circuit spec.
and welding points
Refer to following pages
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