Honeywell HC900 ユーザーズマニュアル

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Removal and Replacement Procedures - Safety Considerations - PLAN AHEAD! 
Revision 5 
  HC900 Hybrid Controller Installation and User Guide 
147 
9/03  
Step Action 
8. 
Ensure power can be applied safely, and use the external (user-supplied) switch to re-connect 
power to the power supply.   
9. 
Using a meter and the test points on the face of the power supply, ensure that voltages (measured 
on the backplane) are within specifications.