Installation manual

IM-487 Page 49
Legend
DesignatIon Description Std. Location
PB1 ...................................................................Powerblock. Total Unit or Cond/Heat .........................................................................................Main Control Box
PB2 ...................................................................Powerblock, SAF/RAF/Controls .................................................................................................Main Control Box
PB3 ...................................................................Powerblock, Electric Heat ..........................................................................................................Electric Heat Sect.
PB4 ...................................................................Powerblock, Condenser.............................................................................................................Cond. Control Box
PB9, 10 .............................................................Powerblocks, Supply Fan...........................................................................................................Unit Split Jct. Box
PB19, 20 ...........................................................Powerblocks, Return Fan...........................................................................................................Unit Split Jct. Box
PC5...................................................................Pressure Control, Clogged Filter................................................................................................Filter Sect.
PC6...................................................................Pressure Control. Clogged Final Filter.......................................................................................Final Filter Sect.
PC7...................................................................Pressure Control, Proof of Airflow..............................................................................................Supply Air Filter
PC8...................................................................Pressure Control, Minimum Airflow............................................................................................Evaporator Coil Sect
PC12, 22 ...........................................................Pressure Control, FanTrol..........................................................................................................Cond. Bulkhead
PM1...................................................................Phone Modem............................................................................................................................Main Control Box
PS1, 2 ...............................................................Pumpdown Switches, Refrigerant Circuits.................................................................................Cond. Control Box
PS3 ...................................................................Pumpdown Switch, Unit .............................................................................................................Main Control Box
PVM1 ................................................................Phase Voltage Monitor, RPS Unit ..............................................................................................Main Control Box
PVM2 ................................................................Phase Voltage Monitor, RCS Unit ..............................................................................................Cond./Fuse Ctrl Box
R1, 2 .................................................................Relays, High Pressure Reset .....................................................................................................Cond. Control Box
R5, 6 .................................................................Relays, Compressor #1, #2 Safety/Cool Fall .............................................................................Cond. Control Box
R9, 10 ...............................................................Relays, Compressor Lockout .....................................................................................................Cond. Control Box
R11, 12..............................................................Relays, Low Ambient .................................................................................................................Cond. Control Box
R20 ...................................................................Relay, Gas, Steam, Hot Water Heat...........................................................................................Main Control Box
R21, 22 .............................................................Relays, Gas Heat, 100% OA......................................................................................................Furnace Sect.
R23 ...................................................................Relay, Gas Heat, Modulating Valve............................................................................................Furnace Sect.
R24 ...................................................................Relay, Gas Heat Alarm...............................................................................................................Main Control Box
R26 ...................................................................Relay, Occupied/Unoccupied .....................................................................................................Main Control Box
R27 ...................................................................Relay, Exhaust Dampers............................................................................................................Main Control Box
R28 ...................................................................Relay, Isolation Dampers ...........................................................................................................Main Control Box
R60-69 ..............................................................Relays, Special ..........................................................................................................................Main Control Box
RAE...................................................................Return Air Enthalpy Sensor........................................................................................................Return Air Sect.
RAT...................................................................Return Air Temperature Sensor .................................................................................................Return Air Sect.
REC1 ................................................................Receptacle, Main Box ................................................................................................................Main Control Box
REC2 ................................................................Receptacle, Condenser Box ......................................................................................................Cond. Control Box
REC3 ................................................................Receptacle, Field Power, 115V ..................................................................................................Discharge Bulkhead
REC10-22 .........................................................Receptacles, Cabinet Section....................................................................................................Cabinet Sections
S1......................................................................Switch, System On/Off, RPS Unit ..............................................................................................Main Control Box
S2......................................................................Switch, System On/Off, RCS Unit ..............................................................................................Cond. Control Box
S3......................................................................Switch, Furnace On/Off..............................................................................................................Furnace Sect.
S6......................................................................Switch, Return Fan Vanes Adjustment.......................................................................................Main Control Box
S10-22 ..............................................................Switches, Cabinet Section Lights...............................................................................................Cabinet Sections
SAT ...................................................................Supply Air Temperature Sensor .................................................................................................Discharge Sect.
SB1 ...................................................................Staging Board #1, Cooling .........................................................................................................Main Control Box
SB2 ...................................................................Staging Board #2, Heating.........................................................................................................Main Control Box
SC11 .................................................................Speed Control, Circuit #1...........................................................................................................Cond. Bulkhead
SC21.................................................................Speed Control, Circuit #2...........................................................................................................Cond. Bulkhead
SD1...................................................................Smoke Detector, Supply Air .......................................................................................................Discharge Sect.
SD2...................................................................Smoke Detector, Return Air .......................................................................................................Return Air Sect.
SPS1, 2.............................................................Static Pressure Sensors, Duct or Building .................................................................................Main Control Box
SPS5.................................................................Static Pressure Sensor, Clogged Filter ......................................................................................Filter Sect.
SPS6.................................................................Static Pressure Sensor, Clogged Final Filter .............................................................................Final Filter Sect.
SR1-3................................................................Sequence Relays, Electric Heat.................................................................................................Electric Heat Sect.
SV1, 2 ...............................................................Solenoid Valves, Liquid ..............................................................................................................Discharge Bulkhead
SV5-6................................................................Solenoid Valves, Hot Gas ..........................................................................................................Discharge Bulkhead
T1......................................................................Transformer, Main Control..........................................................................................................Main Control Box
T2......................................................................Transformer. Unit 24V ................................................................................................................Main Control Box
T3......................................................................Transformer, Controller, 18V......................................................................................................Main Control Box
T4......................................................................Transformer, Exhaust Dampers .................................................................................................Main Control Box
T5......................................................................Transformer, Electric Heat..........................................................................................................Electric Heat Sect.
17......................................................................Transformer, Gas Pilot Valve......................................................................................................Furnace Sect.
T8......................................................................Transformer. Gas Main Valve.....................................................................................................Furnace Sect.
T10....................................................................Transformer, SpeedTrol, 24V.....................................................................................................Cond. Control Box
T11....................................................................Transformer, SpeedTrol, 230V...................................................................................................Cond. Control Sect.
TB1 ...................................................................Terminal Block, 115V, Field ........................................................................................................Main/Cond. Ctrl Box
TB2 ...................................................................Terminal Block, 24V, Field..........................................................................................................Main/Cond. Ctrl Box
TB3, 4 ...............................................................Terminal Blocks, Condenser ......................................................................................................Cond. Control Box
TB5 ...................................................................Terminal Block, 115V, Factory ....................................................................................................Main Control Box
TB6 ...................................................................Terminal Block, 115V/24V. Factory.............................................................................................Main Control Box
TB7, 8 ...............................................................Terminal Block, 24V, Factory......................................................................................................Main Control Box
TB10 .................................................................Terminal Block, Heating .............................................................................................................Main Control Box
TB11..................................................................Terminal Block, Heating .............................................................................................................Electric Heat Sect.
TB12, 13 ...........................................................Terminal Blocks, Electric Heat, Power .......................................................................................Electric Heat Sect.
TB25 .................................................................Terminal Block, 11 5V, Factory ...................................................................................................Unit Split, Jct. Box
TB27, 28 ...........................................................Terminal Blocks, 24V, Factory....................................................................................................Unit Split. Jct. Box
TC1, 2 ...............................................................Temperature Controls, FanTrol ..................................................................................................Cond. Control Box
TD1, 2 ...............................................................Time Delays. Compr. #1, #2, Lockout ........................................................................................Cond. Control Box
TD5, 6 ...............................................................Time Delays, Compr. #1, #2, Part Winding ................................................................................Cond. Control Box
TD9 ...................................................................Time Delay, Supply Fan Part Winding........................................................................................Main Control Box
TD11, 12 ...........................................................Time Delays, Low Ambient.........................................................................................................Cond. Control Box
TD19 .................................................................Time Delays, Return Fan Part Winding......................................................................................Main Control Box
U1, 2 .................................................................Unloaders, Compressors ...........................................................................................................On Compressors
VM1...................................................................Valve Motor #1, Heating.............................................................................................................Heating Sect.
ZNT1.................................................................Zone Temperature Sensor, Control............................................................................................Field Installed
ZNT2-5..............................................................Zone Temperature Sensors, Special..........................................................................................Field Installed