Quietside QSHC-122 Specifications Page 76

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Closed Loop Heating System Notes : QSDHS DHW System Notes :
When brazing always wrap valves, drains Tank system also includes Tank Drain and
etc with a wet rag to prevent damage P/R Valve (supplied loose)
These should be installed and piped in
System is designed for the Air Handler to be located accordance with local codes
no more than 10ft from the DPW and no more
than 5ft above or below the DPW
Boiler drain installed on Supply to closed loop
should be below DPW Isolation valve to allow House
closed loop system to be filled with DPW Hot Water
isolated from the closed loop to protect unit Supply
A Drain can also be installed on return piping above
shut off valve to drain the unit or Pressure Relief
valve on the unit can be used provide a drain DPW DHW Inlet & Anti Scald Valve
Outlet connection MANDATOR
Y
Pressure Relief Valve sizes are 1/2" Supplied with QSDHS
Pipe to building drain Max Setting 120DegF
(See local codes) From ø3/4" NPT Connection
3/4" Unions to connect DPW DHW
to 3/4" Male Supply and Return To DPW Outlet
connections on DPW DHW Inlet
Air Vent at "Boiler Drain" - see notes
highest point ø3/4"NPT
Shut Off Valves to
isolate DPW
from Air Handler
Use max ø1" pipe for Supply
& Return to AHU. Max total pipe
length (Supply & Return) 20ft
ø1" NPT
Taco 008 Bronze Pump ø3/4"NPT
c/w IFC and Shut offs
Supplied with QSDHS Cold Water Inlet
from House supply
8750 Pioneer Blvd, Santa Fe Springs CA 90670
Tel : 562 699 6066, Fax : 562 699 4351, Web : www.Quietside.com
Title : DPW Piping, Close coupled AHU c/w QSDHS DHW Storage
Drg # : QUI-DPWP-004 Drawn : JLM 9/18/2008 Rev : 001
DPW
DPWH
AHU
Unit
HW Coil
QSDHS
DHW STORAGE
TANK
SYSTEM
20 GAL
CAPACITY
Closed
Loop
Supply
DHW
Hot Out
DHW
Cold In
Closed
Loop
Return
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