Operating Instructions

Index
Siemens Building Technologies Index-5
definition......................................................4-2
in Application 2522....................................3-31
in Application 2523....................................3-46
in Application 2524....................................3-59
in Application 2526....................................3-73
FLOW l GAIN (Point 72) .................................4-6
FLOW P GAIN (Point 71)................................4-6
FLOW START (Point 16)
definition......................................................4-2
in Application 2522....................................3-31
in Application 2523....................................3-46
in Application 2524....................................3-59
in Application 2526....................................3-73
FLOW STPT (Point 93)
definition......................................................4-8
in Application 2500......................................3-6
in Application 2501....................................3-17
in Application 2520......................................2-6
in Application 2521....................................2-15
in Application 2522....................................3-30
in Application 2523....................................3-45
in Application 2524....................................3-58
in Application 2526....................................3-72
H
hardware .........................................................1-1
actuators......................................................1-7
air velocity sensor........................................1-6
analog inputs ...............................................1-4
Autozero Module ..................................1-3, 1-7
auxiliary input ..............................................1-4
BST/FLN LED..............................................1-5
controller overview ......................................1-2
damper actuator ..........................................1-6
digital inputs ................................................1-3
digital outputs ..............................................1-4
dry contact switch........................................1-3
failure codes................................................5-6
LED indicator...............................................1-5
power wiring ................................................1-4
relay module................................................1-8
temperature sensors ...................................1-6
terminal blocks .....................................1-2, 1-3
thermistor ....................................................1-4
wall switch ...................................................1-3
heat ....... See also reheat or baseboard radiation
in Application 2501................. 3-13, 3-16, 3-17
in Application 2521...........................2-12, 2-15
HEAT STAGE 1 (Point 43)
and fan in Application 2524.......................3-60
and fan in Application 2526.......................3-74
definition......................................................4-4
HEAT STAGE 2 (Point 44) .............................4-4
HEAT TEMP (Point 62)
definition......................................................4-5
in Application 2501....................................3-16
in Application 2521....................................2-15
HEAT.COOL (Point 5)
definition......................................................4-1
in Application 2501....................................3-16
in Application 2521....................................2-15
in Application 2522....................................3-29
in Application 2523....................................3-44
in Application 2524....................................3-57
in Application 2526....................................3-71
heating loop ............................. See control loops
heating valve ....................................... See valve
heating/cooling switchover
general information ..............................4-7, 4-8
in Application 2501.............................3-16, 4-5
in Application 2521.............................2-15, 4-5
in Application 2522....................................3-29
in Application 2523....................................3-44
in Application 2524....................................3-57
in Application 2526....................................3-71
hot water reheat............................................ 3-45
hot water valve .................................... See valve
HTG BIAS (Point 70) ......................................4-6
HTG D GAIN (Point 69)..................................4-6
HTG FLOW MAX (Point 34)
definition......................................................4-4
in Application 2501....................................3-17
in Application 2521....................................2-15
in Application 2522....................................3-30
in Application 2523....................................3-45
in Application 2524....................................3-58
in Application 2526....................................3-72
HTG FLOW MIN (Point 33)
definition......................................................4-4
in Application 2501....................................3-17
in Application 2521....................................2-15
in Application 2522...........................3-30, 3-31
in Application 2523....................................3-45
in Application 2524....................................3-58
in Application 2526...........................3-72, 3-73
HTG l GAIN (Point 68)....................................4-6
HTG LOOPOUT (Point 80)
definition......................................................4-6
in Application 2522..................3-29, 3-30, 3-31
in Application 2523..................3-44, 3-45, 3-46
in Application 2524..................3-57, 3-58, 3-59
in Application 2526..................3-71, 3-72, 3-73
HTG P GAIN (Point 67) .................................. 4-6