5-1
62-11848
SECTION 5
SERVICE
WARNING
!
Beware of unannounced starting of the unit. The unit may cycle the fans and compressor unex-
pectedly as control requirements dictate. Press OFF key on the Cab Command. Verify that it is
impossible for the unit to automatically start-up during maintenance.
WARNING
!
Use proper Lockout/Tagout procedures before inspecting or servicing this unit.
WARNING
!
All maintenance services must be done by a technician trained on Carrier products respecting
all safety and quality standards of Carrier.
NOTE
To avoid damage to the earth’s ozone layer, use a refrigerant recovery system whenever removing
refrigerant. When working with refrigerants you must comply with all local government environmental
laws, U.S.A. EPA section 608.
5.1
MAINTENANCE SCHEDULE
A comprehensive maintenance program is required in order to optimize the life and reliability of your unit. The rec-
ommended scheduled maintenance intervals and categories are provided in
. A service message will
appear on the Cab Command display (the running hours of the unit can be found inside the Data menu: 1 on the
display = 10 Hrs). Descriptions of the service procedures to be carried out under each category are provided in
.
Table 5–1 Maintenance Schedule
Hours displayed
Running hours
Initial service
Service A
Service B
10
100
X
100
1000
X
200
2000
X
X
300
3000
X
400
4000
X
500
5000
X
X
600
6000
X
700
7000
X