JOHNSON CONTROLS
8
FORM 100.50-NOM7 (808)
ACRONYM CHART
ACRONYM TEXT
APS Air Proving Switch
ASCD Anti-Short Cycle Delay
AQ Air Quality (CO
2
)
BS Building Static
COR Cooling / Heating Changeover Relay
CP1 – CP3 Condensing Pressure Circuit 1 Through 3
CS1 – CS3 Compressor Circuit 1 Through 3
CV Constant Volume
DFS Dirty Filter Switch
DS Duct Static Pressure
DVM Demand Ventilation Multiplier
EAD Exhaust Air Damper
EC Economizer
EDAT Evaporator Discharge Air Temperature
EF Exhaust Fan
ESTOP Emergency Stop
FS Freeze Stat (HW/Steam)
G Thermostat Input for the Fan
HW Hot Water
MIT Modular Integrated Terminal
MITD MIT Bypass Damper
OA Outdoor Air
OAD Outside Air Damper
OAT Outside Air Temperature
ACRONYM TEXT
OAH Outside Air Humidity
OCC Occupied
P Purge
PE Power Exhaust Output
RA Return Air
RAT Return Air Temperature
RAH Return Air Humidity
RDU Remote Display Unit
SAT Supply Air Temperature
SF Supply Fan
SS Space Sensor
SSA Space Setpoint Adjust
SMK Smoke Purge
SP1 – SP3 Suction Pressure Circuit 1 Through 3
ST Space Temperature
STG1 – STG6 Cooling/Heating Stage 1 Through 6
UNOCC Unoccupied
VAV Variable Air Volume
VFD Variable Frequency Drive
W1 Thermostat Input For The First Stage of Heating
W2 Thermostat Input For The Second Stage of Heating
X Alarm Output
Y1 Thermostat Input For The First Stage of Cooling
Y2 Thermostat Input For The Second Stage of Cooling
YDC YORK Digital Controller
LIST OF TABLES
TABLE 1 - 25 – 40-TON R410A COMPRESSOR LOGIC ..............................................................17
TABLE 2 – TIMEOUTS AND DELAYS ...........................................................................................19
TABLE 3 – MODES OF OPERATION .............................................................................................23
TABLE 4 – VAV MODES OF OPERATION .....................................................................................28
TABLE 5 – HISTORY FUNCTION TEXT (LINE 2) .........................................................................51
TABLE 6 – HISTORY POINTS DATA LIST ....................................................................................51
TABLE 7 – SETPOINTS AND VALUES .........................................................................................62
TABLE 8 – TEMPERATURE SENSOR RESISTANCE TABLE ....................................................71
TABLE 9 – *DUCT PRESSURE TRANSDUCER OUTPUT TABLE .............................................71
TABLE 10 – BUILDING PRESSURE TRANSDUCER OUTPUT TABLE .....................................72
TABLE 11 – HUMIDITY SENSOR OUTPUT...................................................................................73
TABLE 12 – CO
2
SENSOR OUTPUT ..............................................................................................73
TABLE 13 –
THERMOSTAT INTERFACE BOARD VOLTAGE OUTPUTS .................................74
TABLE 14 – THERMOSTAT INTERFACE BOARD CONNECTIONS ..........................................75
TABLE 15 – INPUT/OUTPUT TABLE .............................................................................................76
TABLE 16 – MONITOR AND CONTROL I/O FROM MOD-DCU ..................................................78
TABLE 19 - FAULT DESCRIPTIONS TABLE ................................................................................79
Summary of Contents for J Series
Page 85: ...FORM 100 50 NOM7 808 85 JOHNSON CONTROLS 6 ELECTRICAL NOTES AND LEGEND LD13862 ...
Page 87: ...FORM 100 50 NOM7 808 87 JOHNSON CONTROLS 6 LD13864 ...
Page 88: ...JOHNSON CONTROLS 88 FORM 100 50 NOM7 808 Service OPTI CONVERSION TO 25 40 TON LD13854 ...
Page 89: ...FORM 100 50 NOM7 808 89 JOHNSON CONTROLS 6 LD13865 ELEMENTARY DIAGRAM ALL UNITS ...
Page 91: ...FORM 100 50 NOM7 808 91 JOHNSON CONTROLS 6 ELEMENTARY DIAGRAM GAS HEAT 25 40 TON 575V LD13861 ...
