Envision Peripherals R-410A Microprocessor Control cont, DIP Switch Settings, New New

ENVISION RESIDENTIAL INSTALLATION MANUAL

Microprocessor Control (cont.)

DIP Switch Settings

Prior to powering unit, ensure that all DIP switches on SW2 & SW3 are set properly according to the tables below.

FACTORY SETUP DIP SWITCHES (SW3)

DIP
SWITCH		DESCRIPTION	OFF POSITION	ON POSITION
NUMBER
		Dual Capacity/Single-Speed	Dual Capacity Opera-
SW 3-	1	Configures the control for single-speed compressor operation or dual capacity opera-		Single-Speed Operation
			tion
		tion.
		Zoned/Finish on Second Stage		Finish on 2nd - Unzoned Dual
		This switch allows the unit to down stage with the thermostat when off and finish with	Normal - All Other
SW 3-	2			Capacity E Series or Premier
			Systems
		second stage when on. Finish on second stage reduces stage changing in recipro-
				2 Speed
		cating dual capacity compressors.
		No RPM/RPM
SW 3-	3	Configures the control to monitor the RPM output of an ECM/ECM2 blower motor.	PSC Fan/RPM Moni-	ECM-ECM2 Fan/RPM
		When using IntelliZone or a PSC fan motor, the control should be configured for “NO	toring Disabled	Monitoring Enabled
		RPM” sensing.
		Electric heat and ECM2
SW 3-	4	Allows backward compatibility with older Premier Series. In the Off position this	Old EH & Old ECM	Normal
		switch allows older electric heat board (17P501A01) and older ECM (square end)
		compatibility. On is for all newer EH board (17P514A01) and ECM2 (round end).
SW 3-	5	On dual capacity units this switch allows stage change: on the fly when off, and 1	Envision	E-Series or Premier
		minute delay when on. A delay is required on all reciprocating dual capacity units.
		FIELD SELECTION DIP SWITCHES (SW2)
DIP
SWITCH		DESCRIPTION	OFF POSITION	ON POSITION
NUMBER
		Service Test Mode
		On the control, allows field selection of “NORMAL” or “TEST” operational modes.
SW 2-	1	Test mode accelerates most timing functions 16 times to allow faster troubleshooting.	Test Mode	Normal Speed Operation
		Test mode also allows viewing the “CURRENT” status of the fault inputs on the LED
		display.
		Freeze Sensing Setting	Loop Water Freeze	Well Water Freeze Protec-
SW 2-	2	Allows field selection of freeze thermistor fault sensing temperatures for well water
			Protection 15° F	tion 30° F
		(30°F) or antifreeze-protected (15°F) earth loops.
SW 2-	3	Accessory Relay	Acc Relay Tracks Fan	Acc Relay Tracks Compres-
		Allows field selection of the accessory relay to operate with the compressor or fan.		sor
		Fan Speed Control	Dehumidification Fan
SW 2-	4	Allows field selection of reduced fan speed (85% of selected medium and high speed		Normal Fan Speeds
			Speeds
		– ECM only) for cooling in the dehumidification mode.
SW 2-	5	Auxiliary Off	Disable Heating	Enable Heating
		Disables 3rd-stage Heating. Full emergency heat would still be available if needed.	Stage 3	Stage 3
		Diagnostics Inputs	Diagnostic Inputs	Normal Display Viewed at
SW 2-	6	Allows viewing the inputs from the thermostat to the control board such as Y1, Y2, O,
			Viewed at LEDs	LEDs
		G, W, SL1-In on the LED display.
		Diagnostics Outputs	Diagnostic Outputs	Normal Display Viewed at
SW 2-	7	Allows viewing the outputs from the control board such as compressor, reversing
			Viewed at LEDs	LEDs
		valve, blower, hot water pump, and loop pump on the LED display.
		Thermostat Selection
SW 2-	8	Configures the control for a pulsed lockout signal (ComforTalk and FaultFlash ther-	Pulsed “L” signal	Continuous “L” signal
		mostats) or continuous 5 VAC lockout signal.

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