Steffes HPB22 Owners Manual - Manual (Page 14)

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DUCT AND UNIT DIMENSIONS
(FIGURE 8)
F. SENSOR PLACEMENT
•DUCT SENSOR
Booster performance and homeowner comfort is critically dependent upon proper placement of the supply air
temperature duct sensor. For guidelines, refer to Figure 7.
•OUTDOOR AIR TEMPERATURE SENSOR
The outdoor air temperature sensor assembly (See Table 2) is housed in a rectangular aluminum box complete with
mounting flanges and is to be installed on an exterior surface:
•approximately 8' above ground level
•protected from direct sunlight
•in a location affected by neither artificial heat sources nor cold sources.