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Freeze Protection for the Optional EASY CONNECT

Piping Arrangement

• EliminateallwaterintheoptionalEASYCONNECT

PipingArrangementandinall

internalpipingwhenthetowerisidle.



• ItisessentialtodrainwaterfromtheEASYCONNECT

PipingArrangementand

internalpipingwheneverthepotentialforfreezingtemperaturesexists.Drainthewater

byusing1/2”NPTdrainportlocatedontheinboardsideoftheEASYCONNECT



PipingArrangement.

• Therearethreerecommendedmethodsfordrainingthepiping:

– Preferred:Installanormallyopen1/2”solenoidvalveonthe1/2”drainconnection

oftheEASYCONNECT

PipingArrangement.Wirethevalveinthepumpcircuitso

thevalvecloseswhenthepumpisenergized.Selectthesolenoidvalvetooperate

withaminimumpressuredifferentialof0psi,whichisrequiredtolimitthestatic

headimposedonthevalvefromthewatercolumn.

– Installa1/2”manualvalveonthe1/2”drainconnectionoftheEASYCONNECT

®

PipingArrangement.Openthevalveduringthecoldweatheroperation.Keepthe

valveclosedduringthewarmweathertoachievefullthermalperformance.

– Removethe1/2”plugfromthe1/2”drainconnectionofEASYCONNECT

Piping

Arrangementduringthecoldweatheroperation.Reinstalltheplugduringthewarm

weathertoobtainfullthermalperformance.

Figure 7. Optional EASY CONNECT

Piping Arrangement

BAC 3728C User Manual

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