rht hydronic fill & purge...
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RHT Hydronic Fill & Purge SystemSubmittal Information
Project InformationJob Name:
Location: Part No. Ordered:
Engineer: Date Submitted:
Contractor: Submitted By:Manufacturer’s Representative: Approved By:
Technical Data
Product Information and Application Use
7 gallon polyethylene tank with gallon markings
Fast fill makes it easy to purge a wholeradiant heating system
Water or glycol managment and purging system
5 GPM pump with integrated pressure switch,turns on at 15psi and off at 25psi, sufficient flow and headpressure to purge most hydronic heating systems
To adjust pressure, turn red phillips head screw on the backof the pump in small increments, clockwise to increasethe pressure, counterclockwise to decrease pressure
4" vented manway used for fill and return when purging
Optional wall mounting brackets available separately
1 year warranty on pump
The RHT Hydronic Fill and Purge System meets a relatively high head pressure and flow rate (as shown in the figure below) for filling and purging air from hydronic systems. With the removeable 4” fill port fluids can be mixed in the 7 gallon container and pumped directly into a hydronic system. Return fluid can be directed back into the 7 gallon tank minimizing waste when using a glycol mix during the air purging process. See page 2 for purging diagram. Leave pump plugged in to power during normal boiler operation.
NOTE: The RHT Hydronic Fill and Purge System is not intended for use in line with or as feed to a backflow prevention and/or pressure reducing device. If used with such a device, the unit must be on a separate feed line into the system.
p.1
tosystem
red screw forpressure
adjustment
15.75” 9”
13.5
”
11.875”
17.75” 10.125”
supply/return lines to/from manifolds
ECM
su
pp
ly c
ircu
lato
r pu
mp
s
return ball valves w/ purge drains
expansion tank
air eliminator
supply from boiler
return to boiler
Hydronic Fill & Purge Systemwith Dominator Pump Distribution Panel
per
man
entl
y co
nn
ecte
dw
ater
mak
e-u
p/a
uto
-fill
4” vented fill port
5gpmpressure switched
purge pump
7 galloncapacity
tank
Shown with Zone 1&2 supply pump flanges andreturn ball valves closed for purging of Zone 3.Re-open pump flanges and return ball valvesduring normal operation.
1 2 3
diverterball valve
in drain position
drain hose returning glycol/water mix to fill unit
p.2