83 Amended: Sept 21
Fig 77
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CF1100/1200 CPD PSU
The CPD PSU is now fitted to CF11/12 and CF2000 panels. This PSU is required by the CPR
regulations to monitor the state of the Battery by carrying out a minor discharge every 3 hours to
ensure it will still last for the required standby period, followed by the 30 min alarm period.
Any 0v – 26v Raw Unregulated supply 27.54
Any 0v – 26v Regulated supply 27.38
Any 0v and Battery Fault 0.5v
Rises to 5v in Battery fault
Any 0v and Charger fault 5 v
Falls to 0v in Charger fault
Remains at 5v when in fault
Any 0v and Mains fault 5v
Falls to 0v with mains fail
Across Batt +ve and –ve approx. 27.4v
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