Robertshaw 300-224 Installation And Programming Instructions page 11

Setting the Outdoor High and Low Temperature Balance Points (300-226, 300-227)
When using the optional Robertshaw remote outdoor sensor (Uni-Line #10-529), you can select
the outdoor balance points to lock-out the auxiliary heat and/or the compressor of the heat
pump.
To set the balance points:
1. Press and hold the OUTDOOR button, then press the MODE button. HibP will appear in the
display meaning high balance point, along with the factory setting of 119°F (48°C). Any out-
side temperature above the HibP will lock out the auxiliary heat, any temperature below the
HibP will allow the auxiliary heat to run when called for by the thermostat.
2. Press the or
3. Press the OUTDOOR button. LobP will appear in the display meaning low balance point,
along with the factory setting of -54°F (-48°C). Any outside temperature below the LobP will
lock out the compressor, any temperature above the LobP will allow the compressor to run
when called for by the thermostat.
4. Press the or
5. Press the RESUME button.
buttons to set the HibP temperature. (A typical setting may be 52°F.)
buttons to set the LobP temperature. (A typical setting may be 28°F.)
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