Robertshaw Smart Sense Series Installation Manual page 35

HO = 90ºF (32ºC) HeATiNg OFF TeMPeRATuRe -
(See PAge 48 FOR MORe deTAiL)
Only operates if TT=OA and outside temperature sensor is fitted.
Outside air temperature above this value will force the heating function OFF.
Adjustable between 41 to 122ºF (5 to 50ºC).
Hb = 95ºF (35ºC) HigH bALANCe POiNT (See PAge 47)
TT = OA: The outside temperature sensor must be fitted and Sw 1 = OFF.
2nd (or 3rd) stage heating is locked out when the outside air is above
this temperature. Adjustable between 41 to 122ºF (5 to 50ºC).
Lb = 40ºF (4ºC) LOW bALANCe POiNT (See PAge 48)
TT = OA: The outside temperature sensor fitted, H3 = EH, Sw 1 = OFF and
Sw2 = ON. Outside temperatures below this value will automatically
select Emergency Heat mode. Adjustable between 15 to 77ºF (-9.5
to 25ºC).
FT = OFF FILTER WARNING TIME
Return air filter cleaning warning time. Adjustable between OFF and 900 hours
in steps of 100 hours.
Ad = 07 MOdbuS AddReSS (See PAge 44)
ModBus communications address 1 to 99
35