Carrier 69NT40-561-201, Operation & Service Manual

Page: 18 / 117

T-364 2 − 1
SECTION 2
DESCRIPTION
2.1 GENERAL DESCRIPTION
2.1.1 Refrigeration Unit
− Front Section
The unit is designed so that the majority of the compon-
ents are accessible from the front (see Figure 2 − 1). The
unit model number, serial number and parts identifica-
tion number can be found on the serial plate on the back
wall of the condenser section.
2.1.2 Fresh Air Makeup Vent
The function of the upper makeup air vent is to provide
ventilation for commodities that require fresh air circula-
tion. A manually operated venting system is located in
the upper left access panel.
1
2
4
10
14
11
8
9
15
16
5
6
7
12
13
3
1. Access Panel (Evap. Fan #1)
2. Fork Lift Pockets
3. Control Box
4. Unit Display
5. Control Panel
6. Remote Monitoring Receptacle
7. Start − Stop Switch, ST
8. Compressor
9. Compressor Cover
10. Supply Temperature Supply/Recorder Sensor
Assembly (STS/SRS)
11. Economizer
12. Ambient Temperature Sensor (AMBS)
13. Serial Plate
14. Power Cables and Plug (Location)
15. Condenser Grille
16. Upper Fresh Air Makeup Vent
Panel (Evap. Fan #2)
Figure 2 − 1 Refrigeration Unit − Front Section