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15.2 Reagent Refrigerator
15.2.1 Function
This unit is used for the Model 902 automatic analyzer and has the following functions.
(a) Keeping analytical reagents cool
(b) Cooling of water circulated in incubation bath
15.2.2 Specifications of Cooling Unit
(1) Refrigerating system
Refrigeration cycle with enclosed type air compressor
The air compressor 2T2B3R126A-1A made by Matsushita is employed.
(2) Dimensions and shape
External dimensions:
Depth (563) × width (346) × height (336) mm (including coolant bath)
Depth (250) × width (225) × height (270) mm (excluding coolant bath)
15.2.3 Specifications of Electrical Components
(1) Power relay
Type : G7L-1A-TJ
Rated voltage : 12 V DC
Rated current : 158 mA
(2) Operation capacitor
Electrolytic capacitor : 210 V/20 µF
JSU21 × 206AQC
(3) Overload relay
Type : MRA98929
Minimum operation current : 8 A
(4) Fan motor for capacitor
Type : PA2H3
AC fan, 115 V AC, 15 W, 2 poles, class E
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