Troubleshooting a networked Room Controller ........................................................................... 25
Formatting the Room Controller .................................................................................. 25
LED's ......................................................................................................................... 25
Serial number ............................................................................................................ 27
Replacing the battery in a networked Room Controller ................................................. 27
To take the Room Controller out of service ................................................................... 27
METHOD B: Installing a stand-alone Room Controller ................................................................ 28
To mount the Room Controller .................................................................................................. 28
Wiring for power ...................................................................................................................... 28
To wire for power ........................................................................................................ 28
Wiring inputs and outputs ........................................................................................................ 29
Wiring specifications .................................................................................................. 29
To wire inputs and outputs .......................................................................................... 30
Selecting or downloading a control program .............................................................................. 31
To select a built-in control program ............................................................................. 31
To download a custom control program ....................................................................... 35
To set up a stand-alone RC642D Room Controller ...................................................................... 36
To set display options ................................................................................................. 36
To set the time and date ............................................................................................. 37
To change the time or date format ............................................................................... 37
To set up schedules .................................................................................................... 37
Troubleshooting a stand-alone Room Controller......................................................................... 38
LED's ......................................................................................................................... 38
Serial number ............................................................................................................ 39
Replacing the battery in a stand-alone Room Controller .............................................. 39
Compliance ............................................................................................................................ 40
FCC Compliance......................................................................................................... 40
CE Compliance ........................................................................................................... 40
BACnet Compliance ................................................................................................... 40
Appendix A - Room Controller diagram ...................................................................................... 41
Appendix B - Built-in control programs in a stand-alone Room Controller ..................................... 42
#1: 100% outside air unit ....................................................................................................... 43
Control schematics .................................................................................................... 43
Point list .................................................................................................................... 44
Sequence of operation ............................................................................................... 44
#2: Air source heat pump - reverse to heat ................................................................................ 47
Control schematic ...................................................................................................... 47
Point list .................................................................................................................... 47
Sequence of operation ............................................................................................... 48
#3: Air source heat pump - reverse to cool ................................................................................ 51
Control schematic ...................................................................................................... 51
Point list .................................................................................................................... 51
Sequence of operation ............................................................................................... 52
#4: Air source heat pump - intermittent fan - reverse to heat ....................................................... 55
Control schematic ...................................................................................................... 55
Point list .................................................................................................................... 55
Sequence of operation ............................................................................................... 56
#5: Air source heat pump - intermittent fan - reverse to cool ....................................................... 58
Control schematic ...................................................................................................... 58
Point list .................................................................................................................... 58
Sequence of operation ............................................................................................... 59
