Carrier ZONEKIT4ZCAR instruction manual ÐToggle Summary, Toggle Setting OFF Default

Table 11ÐToggle Summary

TOGGLE SETTING	ON	OFF	DEFAULT
	Timeguard delay is 30 sec, overrides 5-minute delay be-
(T1)-Timeguard Override	tween de-energizing and re-energizing HVAC stages. This	Time delay is standard 5 minutes be-
	option automatically returns to OFF after 30 sec timeout. If	tween de-energizing and re-energizing	OFF
	equipment has been shut down due to a leaving air tem-	HVAC stages.
	perature trip, the timeguard override has no effect.
(T2)-Celsius Display	Temperature and setpoints are displayed in Celsius degrees.	Temperature and setpoints are displayed	OFF
		in Fahrenheit degrees.
(T3)-2400 Baud Rate	Communication baud rate is 2400.	Communications baud rate is 4800.	ON
(T4)-Error Code Display	Non-critical errors are displayed.*; when set to ON both	Only critical errors are displayed.	ON
	SF/HF errors are displayed.
(T5)-Enable Broadcast	The system broadcasts the time on communication bus with	The system does not broadcast time or	ON
	every scan.	outside air temperatures on bus.
(T6)-Heat Pump Operation	Heat Pump mode	No heat pump operation. Used for electric	OFF
	First-stage heat pump will energize Y1 to turn compressor	heat or gas furnace. W1 will be energized
	on.	for heat.
(T7)-Outside Air Temperature	The system assumes that an outside air temperature sensor	The outside air temperature sensor is not
	is attached and will broadcast outside air temperature on		OFF
		attached.
	communication bus if enable broadcast is turned on.
	The system will energize the second stage only if zone de-	A 2ÊF demand alone will energize the
(T8)-Comfort Trend Staging	mand exceeds 2ÊF and the zone temperature has not im-
		second stage after timeguard between	ON
	proved at least 0.1ÊF for 6 minutes. The 6 minute timer is
		stages has been satisfied.
	reset if the zone temperature trend is improving.
(T9)-Auto Fan Off For Heat	When the fan switch is set to AUTO, the system will not en-	The fan relay is energized during heating
	ergize the fan during heat modes. This allows the equipment		OFF
	to control fan operation for proper heat exchanger warm-up.	and cooling.
	The system will check leaving air temperature (measured by
(T10)-High/Low Temperature Limits	the duct sensor) for excessive heating and cooling limits.	Operates the same as 'ON' position, but
	Cool limits are fixed at 50Ê F (second-stage cool de-	dampers will not modulate open in a LAT	ON
	energized) and 45Ê F (first-stage cool de-energized). Heating	trip.
	limits are programmable between 105Ê/110Ê to 155Ê/175ÊF.
(T11)-Installer Switch Lockout	Rotary switch positions 1 through 7 and S on controller dis-	All switch positions operate normally.	OFF
	play will display dashes.
(T12)-Force Outside Air Ventilation	The outside air damper is forced to a minimum position of 2	The outside air damper is set to the posi-	OFF
	when fan is on.	tion the system requests.
	The system assumes a smart sensor is attached to zone 2.
(T13)-Smart Sensor Attached For Zone 2	The 4 zone controller will read zone temperature and set-	The system reads zone 2 temperature via	OFF
	points for zone 2 via the 3-wire communication bus at 1 ad-	the remote room sensor.
	dress below controller.
	The system assumes a smart sensor is attached to zone 3.
(T14)-Smart Sensor Attached For Zone 3	The 4 zone controller will read zone temperature and set-	The system reads zone 3 temperature via	OFF
	points for zone 3 via the 3-wire communication bus at 2 ad-	the remote room sensor.
	dresses below controller.
	The system assumes a smart sensor is attached to zone 4.	The system reads zone 4 temperature via
(T15)-Smart Sensor Attached For Zone 4	The 4 zone controller will read zone temperature and set-
		the remote room sensor.	OFF
	points for zone 4 via the 3-wire communications bus at 3
	addresses below controller.
(T16)-Zone 2 Active	Zone 2 is being used.	Zone 2 is not being used.	ON
(T17)-Zone 3 Active	Zone 3 is being used.	Zone 3 is not being used.	ON
(T18)-Zone 4 Active	Zone 4 is being used.	Zone 4 is not being used.	ON
	The system will use outside air as first-stage cooling and
(T19)-Economizer	mechanical cooling as second stage. When outside air tem-	The system will use only mechanical	OFF
	perature drops below 65Ê F, damper will modulate 10 per-	cooling.
	cent open. Full open in cooling.
(T20)-Enable Alternate Display	The controller display will alternate between setpoints and	The controller display will continuously	OFF
	zone temperatures.	show setpoints.
(T21)-Outside Air Damper Attached	The system will operate fifth motorized damper as an out-	The system will operate fifth motorized	OFF
	side air damper.	damper as a motorized bypass damper.
	The system will re-evaluate demand while still in a mode. If
(T22)-System Mode Reselect	simultaneous demand exists and demand for opposite mode	The system will not change modes until	OFF
	exceeds demand for current mode for 20 minutes the sys-	current mode has been satisfied.
	tem will change modes.
(T23)-System Error Checking	The system will report a transparent error when any zone	The system will not report error.	OFF
	cannot be maintained within 5Ê F for longer than 20 minutes.
(T24)-50 Hz Operation	The system will be set to operate using 50 hz power source.	The system will be set to operate using	OFF
		60 hz power source.
	When duct temperature is below 65ÊF or above 80ÊF damper	Damper position will not go below mini-
(T25)-Ventilation Mode	will go fully closed, i.e., below minimum damper position in	mum damper position, which is set as S5,	OFF
		even when the duct temperature is too
	order to avoid over conditioning zone.
		cold or too hot.
(T26)-Two Stage Heat Pump	Y2 will be used to turn on second stage of a 2-stage com-	Second-stage operation will be canceled.	OFF
	pressor in a heat pump system.
(T27)-Dx Sensor for LAT Checking	Dx Sensor will be LAT checked in addition to Duct Tempera-	Dx Sensor is ignored for LAT checking.	OFF
	ture Sensor. (T-10 must also be on)
(T28)-Cool Without Fan	The fan will not be energized. The cooling equipment must	The fan relay is energized anytime there	OFF
	provide a way to turn fan on.	is a cooling demand.

* Pressing any setpoint button when a hardware error exists causes a reset if in a run position.

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