Figure 2--1 Refrigeration Unit - Front Section - Carrier 69NT40-551-500 Operation And Service

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 unit model number, serial number and
parts identification number can be found on the serial
plate to the left of the economizer.
1. Access Panel (Evap. Fan #1)
2. Fork Lift Pockets
3. Control Box
4. Compressor
5. Economizer
6. Filter Drier
7. Receiver or Water Cooled Condenser
8. Unit Serial Number, Model Number and
Parts Identification Number (PID) Plate
9. Power Cables and Plug
10. Condenser Fan
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Figure 2- -1 Refrigeration Unit - Front Section
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SECTION 2
DESCRIPTION
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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6
5
11. Autotransformer (Location)
12. TransFRESH Communications Connector
13. Interrogator Connector (Front left)
14. Temperature Recorder
15. Lower Fresh Air Makeup Vent Location
(Blank Cover Shown)
16. TIR (Transports Internationaux Routiers)
Sealing Provisions - Typical All Panels
17. Upper Fresh Air Makeup Vent
18. Access Panel (Evap. Fan #2)
2--1
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