Bosch Appliances GWH 425 PN/HN4GWH 4254 Water Heater User Manual


 
38
|
Applications manual
Application manual | 11.2007
Bosch Water Heating
5.1.4 Baseboard/ Radiant Panel space heating and DHW (with Ariston mini tank) plumbing diagram
Symbols
Note: This drawing is conceptual in nature and does not address all design, installation or safety considerations.
Additional safety and/or auxiliary equipment may be needed. This diagram is for reference use by officials, designers and licensed installers.
It is expected that installers have adequate knowledge of accepted industry practices for the equipment, procedures, and applications involved.
Drawing is not to scale.
Drawing # BBAOL
CN revA 10/07
Service
valves
Bronze circulator
sized according to
UPC standards
Flow
direction
Note: Piping to fixtures not shown for clarity purposes.
Bosch GWH 345 ESR,
Bosch GWH 450 ESR
Cold water
feed
DHW
Pressure
relief
valve
PK
Thermostatic
mixing
valve
Aquastat
well & 12kohm
thermistor
Flow
check
valve
Baseboard/
Radiant
Panel
PS
Aquastat
well with
12k ohm
thermistor
(insulate piping
around thermistor)
Cold water
feed
Ariston GL8Ti
mini water
tank
Potable
water
expansion tank