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You are here: Foswiki>Operators Web>MVManualDefrost (08 May 2013, SteveAllanson)Edit Attach
In the event that mirror ventilation does not automatically start, follow this procedure to manually start and stop a defrost cycle:
To Start Manual Defrost
- In ECS > MV tab
- Click/open the Display Valve Control Panel
- On the offending side, switch the control and modulating valves to Manual mode
- Switch Normally Closed valves to Open
- Switch Normally Open valves to Closed
- Set the modulating valves to 25% open
- Click/open the Display Heater Control Panel
- On the offending side, switch the defrost heaters to Manual mode
- Click Run on both heaters
- Click/open the Display Valve Control Panel
To Stop Manual Defrost
- Following the above, undo the steps:
- Set Defrost Heaters to Automatic mode
- Set Normally Open Valves to Automatic mode
- Set Normally Closed Valves to Automatic mode
- Set Modulating Valves to Automatic mode
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Topic revision: r1 - 08 May 2013, SteveAllanson
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