Carrier 69NT40-561-300, Operation And Service Manual

Page: 17 / 174

1–3 T-365
WARNING
!
Oakite No. 32 is an acid. Be sure that the acid is slowly added to the water. DO NOT PUT
WATER INTO THE ACID - this will cause spattering and excessive heat.
WARNING
!
Wear rubber gloves and wash the solution from the skin immediately if accidental contact
occurs. Do not allow the solution to splash onto concrete.
WARNING
!
Always turn OFF the unit circuit breakers (CB-1 & 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 water-cooled condenser or 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 performed with critical temperature cargoes in the container.
CAUTION
!
When Pre-Trip key is pressed, economy, dehumidification and bulb mode will be deactivated.
At the completion of Pre-Trip activity, economy, dehumidification and bulb mode must be reac-
tivated.
CAUTION
!
When condenser water flow is below 11 lpm (3 gpm) or when water-cooled operation is not in
use, the CFS switch MUST be set to position “1” or the unit will not operate properly.