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2.1 GENERAL DESCRIPTION
2.1.1 Refrigeration Unit - - Front Section
The unit is designed so that the majority of the
components are accessible from the front, see
Figure 2-1. The upper access panels allow entry into the
evaporator section, and the center access panel allows
access to the evaporator expansion valve, quench
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18
17
16
15
14
13
12
11
1.
Access Panel (Evap. Fan #1)
2.
Access Panel (Heaters, Suction Modulating
Valve, Quench Expansion Valve & Evaporator
Expansion Valve)
3.
Fork Lift Pockets
4.
Control Box
5.
Compressor
6.
Oil Seperator
7.
Receiver or Water Cooled Condenser
8.
Economizer
9.
Unit Serial Number, Model Number and
Parts Identification Number (PID) Plate
DESCRIPTION
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9
8
7
Figure 2-1 Refrigeration Unit - - Front Section
SECTION 2
expansion valve, suction modulation valve and
evaporator coil heaters. The unit model number, serial
number and parts identification number can be found on
the serial plate to the left of the economizer.
2.1.2 Fresh Air Makeup Vent
The function of the upper or lower makeup air vent is to
provide ventilation for commodities that require fresh air
circulation.
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5
10. Power Cables and Plug
11.
Condenser Fan
12.
Autotransformer
13.
TransFRESH Communications Connector
14.
Interrogator Connector (Front left)
15.
Temperature Recorder
16.
Lower Fresh Air Makeup Vent Location
(Blank Cover Shown)
17.
TIR (Transports Internationaux Routiers)
Sealing Provisions - Typical All Panels
18.
Upper Fresh Air Makeup Vent
19.
Access Panel (Evap. Fan #2)
2-1
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2
3
4
T-320
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