Carrier 69NT40-561-019, Operation And Service Manual

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1–3 T-359
WARNING
!
Always turn OFF the unit circuit breakers (CB-1 and CB-2) and disconnect main power supply
before working on moving parts.
WARNING
!
Installation requires wiring to the main unit circuit breaker, CB1. Make sure the power to the
unit is off and power plug disconnected before beginning installation.
CAUTION
!
Charge receiver according to nameplate specifications to ensure optimal unit performance.
CAUTION
!
Do not remove wire harnesses from controller modules unless you are grounded to the unit
frame with a static safe wrist strap.
CAUTION
!
Unplug all controller module wire harness connectors before performing arc welding on any
part of the container.
CAUTION
!
Do not attempt to use an ML2i PC card in an ML3 equipped unit. The PC cards are physically
different and will result in damage to the controller.
CAUTION
!
Pre-trip inspection should not be per formed with critical temperature cargoes in the container.
CAUTION
!
When Pre-Trip key is pressed, economy, de humidification and bulb mode will be deactivated.
At the completion of Pre-Trip activity, economy, dehumidification and bulb mode must be reac-
tivated.
CAUTION
!
When a failure occurs during automatic testing, the unit will suspend operation awaiting oper-
ator intervention.
CAUTION
!
When Pre-Trip test Auto 2 runs to completion without being interrupted, the unit will terminate
pre-trip and display “Auto 2" “end”. The unit will suspend operation until the user depresses
the ENTER key!