ZURN PEX
®
PLUMBING AND RADIANT HEATING SYSTEMS
1801 PITTSBURGH AVENUE, ERIE, PA, U.S.A. 16502 PHONE: 800/872-7277 FAX: 800/209-2148 www.zurn.com
IN CANADA:
ZURN INDUSTRIES LIMITED
3544 NASHUA DRIVE, MISSISSAUGA, ONTARIO L4V 1L2 PHONE: 905/405-8272 FAX: 905/405-1292
Page 7
1" QickZone
®
Modular Brass Manifold
Installation Instructions
Filling/Purging The Loops
From Pressurized Fluid Entering Through the Supply Header Ball Valve
Note:
If filling/purging the loops with pressurized fluid entering through the drain valve on the supply header, go to the following page.
Step 1:
Close the white loop isolation valves (clockwise) on each
loop of the return header. Fully open (counterclockwise)
each circuit balancing valve on the supply header.
Step 2:
Close and cap the fill/drain valve on the supply header.
Step 3:
Close the 1" ball valve on the return header and close
both air vents.
Step 4:
Attach a hose to the fill/drain valve on the return header
and place the other end in a bucket.
Step 5:
Open the 1" ball valve for the supply header.
Step 6:
Start the pressurized fluid.
Step 7:
Open one of the white loop isolation valves (counter-
clockwise) on the return header.
Step 8:
Allow fluid to flow until no more air is seen in the bucket.
Step 9:
Close the white loop isolation valve.
Step 10:
Repeat Steps 7-9 for all remaining loops.
Step 11:
Stop the pressurized fluid. Shut off the drain/fill valve on
the return header; remove the hose and cap the valve.
Step 12:
Open the 1" ball valve for the return header and proceed
to Circuit Balancing.
