Product Overview

10 of 11
Viega... The global leader in plumbing, heating and pipe joining systems
301 N. Main, 9th Floor • Wichita, KS 67202 • Ph: 800-976-9819 • Fax: [phone] • www.viega.com
©2011, ProPress
®
, FostaPEX
®
, Seapress
®
, MegaPress
®
, MegaPressG
®
and Viega
®
are registered trademarks of Viega GmbH & Co. PureFlow
®
, Smart Connect
®
, Climate Panel
®
, Climate Mat
®
, Climate Trak
®
,
MANABLOC
®
, Radiant Wizard
®
, S-no-Ice
®
, Snap Panel
®
, XL
®
and XL-C
®
are registered trademarks of Viega LLC. MiniBloc
™
, ProRadiant
™
, PolyAlloy
™
, SmartLoop
™
and Zero Lead
™
are trademarks of Viega LLC;
GeoFusion
™
, ProPressG
™
and ViegaPEX
™
are trademarks of Viega GmbH & Co. KG.
Product
Instructions
PI-PR-561051 0312 (Enhanced Mixing Station)
1 Stage
T-STAT
1 Stage
T-STAT
1 Stage
T-STAT
Outdoor
Sensor (S2)
Indoor
Sensor (S2)
Primary Loop Pump (P1)
3-PA
P2
S1
Piping Schematic for Enhanced Mixing Station with Basic Heating Control and 3 Manifolds in Parallel
NOTES: Piping 1. This drawing shows system piping concept only. Installer is responsible for all equipment & detailing required by local codes. 2. Sizeheaderpipingformaximumowvelocityof2ft./sec. 3. Allotherpipingshouldbesizedforamaximumowvelocityof4ft./sec. 4. Installaminimumof12diametersofstraightpipeupstreamofallcirculatorsandcheckvalves. 5. Installisolatingangesorisolatingvalvesonallcirculators. 6. Install purging valve(s) on all circuits. 7. Allcloselyspacedteesshallbewithin4pipediametercentertocenterspacing. 8. Install minimum of 6 pipe diameters of straight pipe upstream and downstream of all closely spaced tees. 9. Differentialpressurebypassvalvepreventsownoiseunderpartialloadconditions(somezonevalvesclosed). 10. Set differential pressure bypass valve to delta P of distribution system with all zones open + 1 psi 11. Not all components may be required depending on control strategy (i.e. constant circulation).