Carrier PrimeLINE 69NT40-561-200, Руководство по эксплуатации и обслуживанию

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T-362 7–34
Figure 7.18 Autotransformer
1) Circuit Breaker (CB-2) 230-Volt
2) 460 VAC Power Receptacle
3) Dual Voltage Modular
Autotransformer
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7.27 Controller Service
CAUTION
!
Do not remove wire harnesses from circuit boards unless you are grounded to the unit frame
with a static safe wrist strap or equivalent static drain device.
CAUTION
!
Remove the controller module and unplug all connectors before performing any 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.
NOTE
Do not attempt to service the controller modules. Breaking the seal will void the warranty.
7.27.1 Controller Module Handling
The guidelines and cautions provided herein should be followed when handling the modules. These precautions
and procedures should be implemented when replacing a module, when doing any arc welding on the unit, or when
service to the refrigeration unit requires handling and removal of a module.
1. Obtain a grounding wrist strap (Carrier Transicold P/N 07-00304-00) and a static dissipation mat (Carrier
Transicold P/N 07-00277-00). The wrist strap, when properly grounded, will dissipate any potential static
buildup on the body. The dissipation mat will provide a static-free work surface on which to place and/or
service the modules.
2. Disconnect and secure power to the unit.
3. Place strap on wrist and attach the ground end to any exposed unpainted metal area on the refrigeration
unit frame (bolts, screws, etc.).
4. Carefully remove the module. Do not touch any of the electrical connections if possible. Place the module
on the static mat.
NOTE
The strap should be worn during any service work on a module, even when it is placed on the mat.
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