Installation Guide
69-2271EFS—01 6
FlexductisrecommendedinconnectingtotheTrueDRYDH150collarstoreducevibrationnoise.
M24745
Electrical requirements:
115VACoutlet.Groundfault
interrupter(GFI)recommended.
Duct Sizing:Fortotalductlengths,useroundorrectangularduct sizedaccordingly:
-10-inch forlessthan25-ft
-12-inch formorethan25-ft
Fortheoptionalfreshairventilationport,useroundinsulatedduct sizedaccordingly:
-6-inch roundforlengthsoflessthan50-ft.
-8-inch roundforlengthsgreaterthan50-ft,orifmorethan 100-cfmisrequired

Ducting: Install to Fit Your Application

Idealwhen…
• RunningTrueDRYDH150withA/Coperation.
• Minimizingdischargeairtemperature(DAT)
increase is preferred.
• Spacedictates.
Idealwhen…
• RunningTrueDRYDH150oppositeA/C
operation.RunningwithA/Coperationrequires
damperontheexhaustporttominimize
backdraftwhenTrueDRYDH150isnotonbut
A/Cis.
• MinimizingDATincreaseispreferred.
• Spacedictates.
Idealwhen…
• Dryingaspecificareaofthehouse.
• RunningwithA/Coperationrequiresbackdraft
damperontheexhaustporttominimize
backdraftwhenTrueDRYDH150isnotonbut
A/Cis.
• MinimizingDATincreaseispreferred.
Idealwhen…
• RunningTrueDRYDH150withA/Coperation.
• Dryingaspecificareaofthehouse.
• MinimizingDATincreaseispreferred.
TrueDRYDH150canbeductedintothecentralforcedairsys-
tem,oroperateasastand-aloneindesignated,high-humidity
zoneswithinthehome,suchasabasementor crawlspace.
A

Main Return to Main Return

SUPPLY
RETURN
AIR HANDLER
M27965
TrueDRY
B

Main Return to Main Supply

SUPPLY
RETURN
AIR HANDLER
TrueDRY M27966
BACKDRAFT
DAMPER
C

Dedicated Return to Main Supply

SUPPLY
RETURN
AIR HANDLER
TrueDRY M27967
BACKDRAFT
DAMPER
SEPERATE
RETURN
D

Dedicated Return to Main Return

SUPPLY
RETURN
AIR HANDLER
M27968
TrueDRY
SEPERATE
RETURN