JOHNSON CONTROLS
24
FORM 100.50-SU8
ISSUE DATE: 1/28/2016
SECTION 8 - SUPPLY AIR TEMPERATURE (SAT) SP RESET
Using the above sequence will allow the BAS to reset
the Active SAT SP based on a more varied selection of
values than are programmed into the unit controller.
The BAS can also reset the SAT by simply writing to
the SAT High (AV26) and SAT Low (AV27) SPs.
Other Points That Can Be Written to for SAT
SP Reset
• Outside Air Temp for High SAT SP: OAT_HIGH_
SAT (AV19)
• Outside Air Temp for Low SAT SP: OAT_LOW_
SAT (AV20)
• Return Air Temp for High SAT SP: RAT_HIGH_
SAT (AV24)
• Return Air Temp for Low SAT SP: RAT_LOW_
SAT (AV25)
• Supply Fan Speed for High SAT SP: SF_SPD_H_
SAT (AV29)
• Supply Fan Speed for Low SAT SP: SF_SPD_L_
SAT (AV30)
• Supply Air Temp SP for Heating: HEATING_SAT
(AV09)
Flexsys
• Evap Leaving Air Temp High SP: EL_AIR_
TMP_H (AV07)
• Evap Leaving Air Temp Low SP: EL_AIR_
TMP_L (AV08)
• Mixed Supply Air Temp SP: MIXD_SAT_LIM
(AV14)
• Supply Air Temp SP for Heating: HEATING_SAT
(AV09)
Constant Volume
• Stage 1 Cooling SP: STG_1_COOL (AV31)
• Stage 2 Cooling SP: STG_2_COOL (AV33)
• Stage 1 Heating SP: STG_1_HEAT (AV32)
• Stage 2 Heating SP: STG_2_HEAT (AV34)