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 9
1" QickZone
®
Modular Brass Manifold
Installation Instructions
Circuit Balancing
Step 1:
Determine the flow rate needed for each circuit.
Step 2:
Fully open (counterclockwise) all isolating valves on the
Return Modules
.
Step 3:
Remove the lock shield caps (counterclockwise) on each
of the
Supply Modules
.
Step 4:
Turn on the circulating pump.
Step 5:
Using the
Adjustment Key
, completely unscrew
(counterclockwise) the mechanical memories on all
Supply Modules
.
Step 6:
Using the
Adjustment Key
, completely open
(counterclockwise) the lock shield valves on all
Supply
Modules
.
Step 7:
Slowly close the
Lock Shield Valves
of each circuit until
the desired flow rate is obtained on the flow meters.
Step 8:
Repeat the balancing procedure if necessary when the
initial balancing is completed on all
Supply Modules
.
Step 9:
Using the
Adjustment Key
, tighten the mechanical
memories on all
Supply Modules
.
Step 10:
Reinstall
Lock Shield Caps
.
Flow
Adjustment
End
Mechanical
Memory
Adjustment End
1/4 Turn Opening
Cv = 0.14
1/2 Turn
Cv = 0.30
3/4 Turn
Cv = 0.46
1 Turn
Cv = 0.56
1-1/4 Turns
Cv = 0.65
1-1/2 Turns
Cv = 0.73
1-3/4 Turns
Cv = 0.81
2 Turns
Cv = 0.96
Fully Open
Cv = 1.01