Y47 - SSW ventilation Flashcards
What are the auto starts for the ventilation fans?
1Y47-C004A/B pump start or > 100 deg F
What are the auto starts for 2Y47-C001A?
> 100 deg F
How do you stop a fan after it auto-starts?
Take the handswitch to stop. (no auto stop)
How is a fan stopped with initiation signal still in?
Open the breaker
what’s the purpose of the room heater?
Auto start to heat room @ 50 deg F +- 10 deg F
What’s the purpose of SSW ventilation?
to provide air circulation in the SSW pumphouse, it also provides heated air when room temp get to low
What’s the power supply to 1Y47-C001A
15B51
What’s the power supply to 1Y47-C001B and 2Y47-C001A
16B51
What are the temp limits of the SSW pumphouses?
Outside temp < 94 deg F maixmum temp of 104 deg F
Outside temp is > 94 deg F limit is outside temp plus 10 deg F up until 111 deg F, which is the maximum limit?
How do dampers align after a start signal?
Exhaust F001 full open
Intake F002 > 45 deg F full open < 45 deg F intermediate
Recirc F003 > 45 deg F full closed < 45 deg F full open