Automated Logic RC642

78
Typical layout with analog heating and cooling:
T
AI - Zone temp
AI - Zone setpoint adjust
BI - Zone override
TT
BI - Freezestat
(optional)
AI - Discharge air temp
(optional)
BI - Smoke detector
(optional)
M
CT
BO - Fan start/stop
BI - Fan status
(optional)
AO - Cooling valve
AO - Heating valve
CHWR CHWS
HWS HWR
HW
CHW
Typical layout with staged heating and cooling:
T
AI - Zone temp
AI - Zone setpoint adjust
BI - Zone override
RA
DA
T
BI - Freezestat
(optional)
DX
BO - Cooling stage 1
BO - Cooling stage 2
Elec
BO - Heating stage 1
BO - Heating stage 2
M
CT
BI - Fan status
(optional)
BO - Fan start/stop
SF
T
AI - Discharge air temp
(optional)
BI - Smoke detector
(optional)
#11: Fan coil unit - heat controlled fan, modulated or 2-stage cooling and heating
Control schematics