Honeywell AUTOMATIC CONTROL - Page 410

ENGINEERING MANULA OF AUTOMATIC CONTROL
INDIVIDUAL ROOM CONTROL APPLICATIONS
400
Precautions And Conditions For Successful Operation .................. 422
Blocked Airflow ........................................................................... 422
Power Failure.............................................................................. 422
Coil Freeze-Up............................................................................ 422
Fan Coil Units ...................................................................................... 422
General ........................................................................................... 422
Two-Pipe Heating/Cooling .............................................................. 423
Two-Pipe Heating/Cooling, Single Coil ........................................... 423
Four-Pipe Heating/Cooling, Split Coil ............................................. 424
Four-Pipe Heating/Cooling, Single Coil .......................................... 424
Heat Pumps......................................................................................... 425
General ........................................................................................... 425
Operation ........................................................................................ 425
Control Loops.................................................................................. 426
Individual Room Control Automation ................................................... 427
Hot Water Plant Considerations ............................................................................................................ 428