forced air system - central boiler · h c m r hot supply water-to-water heat exchanger bypass line...
TRANSCRIPT
HC
M
R
Hot Supply
Water-to-WaterHeat Exchanger
Bypass Line
Hot Supply from Pumpon Outdoor Furnace
Return to Outdoor Furnace
Thermostatic Valve (optional)
Thermostatic Mixing Valve
This horizontal assemblymust not exceed a height
of 4 inches above topof water heater.
ExistingWaterHeater
1" Central
PEX®
Optional 3-WayBypass Valve
HeatExchanger
Plenum
ExistingForced AirFurnace
NOTEInstaller must comply withall applicable codes andregulations.
NOTEOutdoor furnace watertemperature setpoint shouldbe set at 185˚F minimum.
For illustration purposes only, water heater styles may vary.
NOTEA pump must be installed in the hot supply line between the outdoor furnaceand thermostatic valve.
Forced Air System