Honeywell Home Lyric T6 Pro Wi-Fi Professional Install Manual page 13

#ISU ISU Name
ISU Options (defaults in bold)
Notes
356 Aux Heat Lock Out
(Aux Heat Outdoor
Lockout)
Off, 5 °F to 65 °F (in 5 °F increments) or
-15.0 °C to 18.5 °C (in 2.5 °C or 3.0 °C increments)
Aux Heat Lockout requires an outdoor temperature. Set Aux Heat Lockout to optimize energy bills and to not
allow it to run the more expensive Aux Heat source above certain outdoor temperature limit. This ISU is only
displayed if ISU 200 is set to Heat Pump, AND ISU 260 is set to Thermostat control AND if ISU 221 Aux/E
stages ="1.
365
Cooll CPH (Cooling
cycle rate stage 1)
1-6CPH(3CPH)
This ISU is only displayed when Cool /Compressor Stages is set to 1 or more stages. Cycle rate limits the maxi
mum number of times the system can cycle in a 1 hour period measured at a 50% load. For example, when set
to 3 CPH, at a 50% load, the most the system will cycle is 3 times per hour (10 minutes on, 10 minutes off).
The system cycles less often when load conditions are less than or greater than a 50% load.
366
Cool 2 CPH (Cooling
cycle rate stage 2)
1-6CPH(3CPH) This ISU is only displayed when Cool /Compressor Stages is set to 2.
370
Heat 1 CPH (Heating
cycle rate stage 1)
1-12CPH
This ISU is only displayed when Heat Stages is set to 1 stage or more stages. Cycle rate limits the maximum
number of times the system can cycle in a 1 hour period measured at a 50% load. For example, when set to 3
CPH, at a 50% load, the most the system will cycle is 3 times per hour (10 minutes on, 10 minutes off). The
system cycles less often when load conditions are less than or greater than a 50% load. The recommended
(default) cycle rate settings are below for each heating equipment type:
Standard Efficiency Gas Forced Air - 5 CPH; High Efficiency Gas Forced Air = 3
CPH; Oil Forced Air = 5 CPH; Electric Forced Air = 9 CPH; Fan Coil •» 3 CPH; Hot
Water Radiant Heat = 3 CPH; Steam •» 1 CPH.
371
Heat 2 CPH (Heating
cycle rate stage 2)
1-12CPH
This ISU is only displayed when Heat Stages is set to 2 stages. The recommended (default) cycle rate settings
are below for each heating equipment type:
Standard Efficiency Gas Forced Air » 5 CPH; High Efficiency Gas Forced Air = 3
CPH; Oil Forced Air - 5 CPH; Electric Forced Air = 9 CPH; Fan Coil = 3 CPH; Hot
Water Radiant Heat = 3 CPH; Steam = 1 CPH.
375
Aux Heat CPH
(Heating cycle rate
Auxiliary Heat)
1-12CPH
This ISU is only displayed when ISU 200 = Heat Pump and ISU 221-1. It is only displayed when Auxiliary Heat
is configured. The recommended cycle rate settings are below for each heating equipment type:
Standard Efficiency Gas Forced Air » 5 CPH; High Efficiency Gas Forced Air ° 3
CPH; Oil Forced Air = 5 CPH; Electric Forced Air = 9 CPH.
378
EM Heat CPH
(Heating cycle rate
Emergency Heat)
1-12CPH This ISU is only displayed when Emergency Heat is configured and ISU 253: Aux/E Terminal Control is set to
control Aux and E heat Independently. The recommended cycle rate settings are below for each heating equip
ment type:
Standard Efficiency Gas Forced Air ° 5 CPH; High Efficiency Gas Forced Air = 3
CPH; Oil Forced Air = 5 CPH; Electric Forced Air = 9 CPH.
387
Compressor
Protection
Off, 1-5 minutes The thermostat has a built in compressor protection (minimum off timer) that prevents the compressor from
restarting too early after a shutdown. The minimum-off timer is activated after the compressor turns off. If
there is a call during the minimum-off timer, the thermostat shows "Wait" in the display. This ISU is displayed if
ISU 220 is set to at least 1 stage.
390
ExtFan RunTime
in Cool
Off, 30.60,90 seconds
2,3,4,5,6,7,8,9,10,11,12,13,14,15 minutes
After the call for cooling ends, the thermostat keeps the fan on for the selected amount of time for increased
efficiency. This may reintroduce humidity into the living space. This ISU is displayed if ISU 220 Is set to at least
1 stage.