Bosch Geothermal Heat Pumps Applications Manual page 89

Applications Manual Bosch Geothermal Heat Pumps | 89
Fig. 101
Courtesy of International Ground Source Heat Pump Association/Oklahoma
State University
With below grade situations, always bring the pipe through
the wall as indicated (Figure 102). If the ground heat
exchanger could be subject to freezing, always insulate the
piping at least 4 feet into the trench. This will prohibit ice
formation near the wall.
Fig. 102 Below grade wall penetration
Courtesy of International Ground Source Heat Pump Association/Oklahoma
State University
Bosch Thermotechnology Corp.
Data subject to change