Piping Symbol Legend - HTP - Water and Space …

1 18 PIPINGP iping Symbol Legendcirculator (w/ isolation flanges)gate valveglobe valveball valveswing-check valveflow-check valvespring-loaded check valvehose bib / boiler drainthermostatic radiator valveTRV (straight)circuit settermanual 3-way valvezone valveair separatorbackflow preventerdiaphragm-type expansion tankpressure reducing valvediff. pressure bypassanti-scald ratedmixing valvepressure gauge4-way motorized mixing valve3-way motorized mixing valvepressure relief valvefloat -typeair ventheat exchangerunionMunchkin heaterradiant manifoldSuper Storindirect DHW tankvacuum breakerthermostatic radiator valveTRV (angle)circulator w/ integral flow check)T/Ptemperature / pressure gaugeREFER TO NOTE 13 REFER TONOTE 13 REFER TONOTE 13 Munchkin Vision 1 & Vision 2 control systems4 individual Space heating temperaturesPriority domestic Water heatingDrawing V2-1 NOTES:1.

2 This drawing is meant to show system Piping concept only. Installer is responsible for all equipment & detailing required by local All closely spaced tees shall be within 4 pipe diameter center to center A minimum of 6 pipe diameters of straight pipe shall be installed upstream and downstream of all closely spaced The minimum pipe size for connecting a Super Stor Water heater is 1 The minimum pipe size for connecting a Munchkin boiler shall be no smaller than the units connection size on supply & return Some circulators are shown with isolation flanges and integral flow check valves. The alternative is standard flanges with full port ball valves and a separate flow check valve. 7. The anti-scald mixing valve is recommended if the DHW temperature is set above the factory setting of 119 a minimum of 12 diameters of straight pipe upstream of all purging valve may be used in lieu of the ball valve / hose bib combination Size header Piping so flow velocity does not exceed 4 ft/second under design load flow conditions11.

3 DHW may be controlled as a priority load by setting dip switch #4 on the Vision 2 controller to the "on" DHW temperature may be sensed by either a mechanical aquastat or thermistor sensor (supplied). : The 3-way mixing valve shown in this detail reflects the Honeywell application and flow direction. See the detail in the Piping Symbol Legend for the flow direction for the Belimo temperature sensorpurgeSuper Storindirect DHW tankanti-scald mixing valveoutdoortemperaturesensorthermal trap(w/ drain plug)P1P2coldwatermake-up waterDHWzonecondensatedrainVision 1 system3-way mixing valve bodyVision 2 valve actuatorzonethermostatsmixed zone 4mixed zone 1mixed zone 2mixed zone 3 Vision 2controller432112344 3 2 1purgeT/P19 PIPINGCAUTION This drawing is to show the Vision contractor the correct installationguidelines.

4 If the Vision 2 is applied to an installation that requires uniquepiping or wiring, it is recommended that you contact your local drawings are for reference purpose only. It is important thatinstallers take special notice to the notes located under each drawing thathighlight important installation Sensitive floor coverings shouldhave additional protection with theuse of limiting devices that willshutdown the circulators on thefeed lines to these floors, shouldthere be a TONOTE 1520 PIPINGM unchkin Vision 2 control systemTwo individual Space heating temperaturesDomestic Water heatingSub-zoning using zone valvesDrawing V2-2 NOTES:1. This drawing is meant to show system Piping concept only. Installer is responsible for all equipment & detailing required by local All closely spaced tees shall be within 4 pipe diameter center to center A minimum of 6 pipe diameters of straight pipe shall be installed upstream and downstream of all closely spaced The minimum pipe size for connecting a Super Stor Water heater is 1 The minimum pipe size for connecting a Munchkin boiler shall be no smaller than the units connection size on supply & return Some circulators are shown with isolation flanges and integral flow check valves.

5 The alternative is standard flanges with full port ball valves and a separate flow check valve. 7. The anti-scald mixing valve is recommended if the DHW temperature is set above the factory setting of 119 a minimum of 12 diameters of straight pipe upstream of all purging valve may be used in lieu of the ball valve / hose bib combination Size header Piping so flow velocity does not exceed 4 ft/second under design load flow conditions11. DHW may be controlled as a priority load by setting dip switch #4 on the Vision 2 controller to the "on" DHW temperature may be sensed by either a mechanical aquastat or thermistor sensor (supplied). is accomplished by using zone circulators and multi-zone relay Vision 2 controller can operate up to 4 mixing valves. : The 3-way mixing valve shown in this detail reflects the Honeywell application and flow direction.

6 See the detail in the Piping Symbol Legend for the flow direction for the Belimo boilerP1 Super Storindirect DHW tankanti-scald mixing valvecoldwatermake-up waterzone 2outdoortemperaturesensor3-way mixing valve bodymulti-zonerelay centermulti-zonerelay centersubzone thermostatssubzone thermostatsVision 2 valve actuatormixedzone 1mixedpurgepurgepurgecondensatedrainLNG4 32112344 3 2 11 2 3 4 Vision 2controllersub-zone 1 sub-zone 3 sub-zone 2 sub-zone 1 sub-zone 2 DHWzoneT/PCAUTION This drawing is to show the Vision contractor the correct installationguidelines. If the Vision 2 is applied to an installation that requires uniquepiping or wiring, it is recommended that you contact your local drawings are for reference purpose only. It is important thatinstallers take special notice to the notes located under each drawing thathighlight important installation Sensitive floor coverings shouldhave additional protection with theuse of limiting devices that willshutdown the circulators on thefeed lines to these floors, shouldthere be a TONOTE 1521 PIPINGM unchkin Vision 2 control systemTwo individual Space heating temperaturesDomestic Water heatingSub-zoning using zone circulatorsDrawing V2-3 NOTES:1.

7 This drawing is meant to show system Piping concept only. Installer is responsible for all equipment & detailing required by local All closely spaced tees shall be within 4 pipe diameter center to center A minimum of 6 pipe diameters of straight pipe shall be installed upstream and downstream of all closely spaced The minimum pipe size for connecting a Super Stor Water heater is 1 The minimum pipe size for connecting a Munchkin boiler shall be no smaller than the units connection size on supply & return Some circulators are shown with isolation flanges and integral flow check valves. The alternative is standard flanges with full port ball valves and a separate flow check valve. 7. The anti-scald mixing valve is recommended if the DHW temperature is set above the factory setting of 119 a minimum of 12 diameters of straight pipe upstream of all purging valve may be used in lieu of the ball valve / hose bib combination Size header Piping so flow velocity does not exceed 4 ft/second under design load flow conditions11.

8 DHW may be controlled as a priority load by setting dip switch #4 on the Vision 2 controller to the "on" DHW temperature may be sensed by either a mechanical aquastat or thermistor sensor (supplied). is accomplished by using zone circulators and multi-zone relay Vision 2 controller can operate up to 4 mixing valves. : The 3-way mixing valve shown in this detail reflects the Honeywell application and flow direction. See the detail in the Piping Symbol Legend for the flow direction for the Belimo boilerSuper Storindirect DHW tankanti-scald mixing valvecoldwatermake-up wateroutdoortemperaturesensormulti-zoner elay centermulti-zonerelay centerzone thermostatszone thermostatssub-zone 1sub-zone 2sub-zone 1sub-zone 2sub-zone 3mixedzone 2mixedzone 3T/PcondensatedrainVision 2controllerLNG432112344 3 2 11 2 3 4purgepurgepurgeDHWzoneCAUTION This drawing is to show the Vision contractor the correct installationguidelines.

9 If the Vision 2 is applied to an installation that requires uniquepiping or wiring, it is recommended that you contact your local drawings are for reference purpose only. It is important thatinstallers take special notice to the notes located under each drawing thathighlight important installation Sensitive floor coverings shouldhave additional protection with theuse of limiting devices that willshutdown the circulators on thefeed lines to these floors, shouldthere be a TONOTE 1622 PIPINGD rawing V2-4 NOTES:1. This drawing is meant to show system Piping concept only. Installer is responsible for all equipment & detailing required by local All closely spaced tees shall be within 4 pipe diameter center to center A minimum of 6 pipe diameters of straight pipe shall be installed upstream and downstream of all closely spaced The minimum pipe size for connecting a Super Stor Water heater is 1 The minimum pipe size for connecting a Munchkin boiler shall be no smaller than the units connection size on supply & return Some circulators are shown with isolation flanges and integral flow check valves.

10 The alternative is standard flanges with full port ball valves and a separate flow check valve. 7. The anti-scald mixing valve is recommended if the DHW temperature is set above the factory setting of 119 a minimum of 12 diameters of straight pipe upstream of all purging valve may be used in lieu of the ball valve / hose bib combination Size header Piping so flow velocity does not exceed 4 ft/second under design load flow conditions11. DHW may be controlled as a priority load by setting dip switch #4 on the Vision 2 controller to the "on" DHW temperature may be sensed by either a mechanical aquastat or thermistor sensor (supplied). is accomplished by using zone circulators and multi-zone relay 2 controller can operate up to 4 mixing valves. 15. Vision 3 controller can operate up to 8 Munchkin Vision 2 control systemTwo boilers controlled in modulating stagesTwo individual Space heating supply temperaturesDomestic Water heatingSub-zoning using circulatorscondensatedisposal2-wire communications busmake-up waterSuper Storindirect DHW tankanti-scald mixing valvecoldwateroutdoortemperaturesensorDH W temperature sensor3-way mixing valve bodymulti-zonerelay centermulti-zonerelay centerzone thermostatszone thermostatsVision 2 PWM valve actuatorsub-zone 1sub-zone 2mixedzone 2 Vision 3controllerLNG432112344 3 2 1 Vision 2controller1 2 3 4T/PT/Pmixedzone 1boiler 2boiler 1purgepurgepurgeDHWzone sub-zone 1sub-zone 2sub-zone 316.