Envision Peripherals R-410A installation manual Dual Capacity Models, First Stage Operation

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ENVISION RESIDENTIAL INSTALLATION MANUAL

Unit Operating Parameters

Dual Capacity Models

FIRST STAGE OPERATION

					Cooling -- No Desuperheater
	Entering Water	Water Flow	Suction	Discharge			Water Temp	Air Temp Drop
	Temp °F	GPM/Ton	Pressure PSIG	Pressure PSIG	Superheat	Subcooling	Rise °F	°F DB
	50	1.5	125-140	205-225	12-20	8-14	17-21	17-23
		3.0	120-135	190-210	12-20	8-14	8-12	17-23

	70	1.5	135-145	280-290	10-16	8-14	16-20	17-23
		3.0	133-143	250-260	10-16	8-14	9-13	17-23

	90	1.5	142-152	345-355	8-12	8-14	14-20	17-23
		3.0	140-150	330-340	8-12	8-14	8-12	17-23

					Heating -- No Desuperheater
	Entering Water	Water Flow	Suction	Discharge			Water Temp	Air Temp Rise
	Temp °F	GPM/Ton	Pressure PSIG	Pressure PSIG	Superheat	Subcooling	Drop °F	°F DB
	30	1.5	76-84	280-295	8-12	3-10	5-9	12-16
		3.0	80-88	285-300	8-12	3-10	3-7	14-18

	50	1.5	100-115	310-330	10-14	3-10	7-11	18-22
		3.0	105-120	315-335	10-14	3-10	5-9	20-24

	70	1.5	135-150	325-350	12-16	3-10	8-12	24-28
		3.0	140-155	330-355	12-16	3-10	6-10	22-30

SECOND STAGE OPERATION

					Cooling -- No Desuperheater
	Entering Water	Water Flow	Suction	Discharge			Water Temp	Air Temp Drop
	Temp °F	GPM/Ton	Pressure PSIG	Pressure PSIG	Superheat	Subcooling	Rise °F	°F DB
	50	1.5	130-140	215-235	12-20	8-14	16-22	17-23
		3.0	128-138	190-210	12-20	8-14	8-12	17-23

	70	1.5	138-148	280-310	10-16	10-16	15-21	17-23
		3.0	136-146	250-280	10-16	8-14	7-13	17-23

	90	1.5	145-155	350-380	9-14	10-16	14-20	17-23
		3.0	143-153	320-350	9-14	8-14	6-10	17-23

					Heating -- No Desuperheater
	Entering Water	Water Flow	Suction	Discharge			Water Temp	Air Temp Rise
	Temp °F	GPM/Ton	Pressure PSIG	Pressure PSIG	Superheat	Subcooling	Drop °F	°F DB
	30	1.5	73-85	270-305	8-14	3-10	6-10	15-21
		3.0	77-90	280-315	8-14	3-10	4-8	17-23

	50	1.5	97-110	290-325	10-16	3-10	9-13	22-28
		3.0	102-115	300-335	10-16	3-10	7-11	24-30

	70	1.5	130-145	320-355	13-19	3-10	10-14	30-36
		3.0	135-150	325-360	13-19	3-10	8-12	32-38

Note: Cooling performance based on entering air temperatures of 80º F DB, 67º F WB.

Heating performance based on entering air temperature of 70º F DB.

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Contents Envision Residential Installation Manual Model Nomenclature VoltageTable of Contents General Installation Information Safety ConsiderationsInstalling Vertical Units Moving and StorageInstalling Horizontal Units Horizontal Unit MountingDuct System Water PipingWater Quality Freeze Protection Condensate DrainClosed Loop Ground Source Systems Multiple Units on One Flow CenterOpen Loop Ground Water Systems Solenoid ValveDesuperheater Connections Water Tank PreparationPlumbing Installation Desuperheater StartupUnit Power Connection Accessory RelayElectrical Connections GeneralPump Wiring Electronic ThermostatAuxiliary Heat Ratings Unit Electrical Data Single speed with ECM motorSetting Fan Speed PSC Fan Performance Data PSCPerforming this operation Setting Fan Speed ECM Fan Performance Data ECMVertical Dimensional Data Top Air DischargeHorizontal Dimensional Data TOP ViewBottomﬂow Left ReturnPhysical Data Single Speed Single SpeedPhysical Data Dual Capacity Dual CapacityWiring Schematics Envision Single Speed Wiring Schematic 208-230/60/1Envision Single Speed Wiring Schematic 208-230/60/1 ECM 97P774-01 6/29/06 Envision Dual Capacity Wiring Schematic 208-230/60/1- ECM Unit Power 208-230/60/197P774-02 6/29/06 Microprocessor Control ECM2 Airﬂow Selection DIP Switches SW1 Heat, 3rd Stage Y1,Y2,W Dual Capacity UnitsEmergency Heat W only Cooling OperationCompressor Monitoring/Comfort Alert Comfort Alert Flash CodesFault Flash Thermostat DisplaysComforTalk DIP Switch Settings Description OFF PositionBefore Powering Unit, Check The Following Unit StartupStartup Steps Operation Logic Data PSCUnit Operating Parameters Single Speed ModelsDual Capacity Models First Stage OperationPressure Drop GPMTroubleshooting LED Deﬁnitions and DiagnosticsStandard Microprocessor Controls Refrigerant SystemsPreventive Maintenance Replacement ProceduresManufactured by WFI 9000 Conservation Way Fort Wayne,