Envision Peripherals Geothermal Indoor Split Heat Pumps Unit Operating Parameters

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ENVISION SERIES INSTALLATION MANUAL

Unit Operating Parameters

Single Speed Models

					Cooling -- No Desuperheater
Entering Water	Water Flow
		Suction		Discharge				Water Temp	Air Temp
Temp °F	GPM/Ton	Pressure		Pressure		Superheat	Subcooling
		PSIG		PSIG				Rise °F	Drop °F DB


50	1.5	120	- 142	215 - 240		7 - 15	7 - 14	18 - 22	18 - 22
	3.0	115 - 138		190 - 225		10 - 18	4 - 11	8 - 10	18 - 22


70	1.5	125	- 148	290 - 315		8 - 14	6 -11	18 - 22	18 - 22
	3.0	123	- 146	255 - 290		9 - 15	5 - 10	8 - 10	18 - 22


90	1.5	134	- 157	340 - 380		8 - 14	6 - 13	18 - 22	16 - 20
	3.0	130	- 155	310 - 350		9 - 15	5 - 12	8 - 10	16 - 20



					Heating -- No Desuperheater
Entering Water	Water Flow
		Suction		Discharge				Water Temp	Air Temp
Temp °F	GPM/Ton	Pressure		Pressure		Superheat	Subcooling
		PSIG		PSIG				Drop °F	Rise °F DB

30	1.5	69	- 81	254 - 334		7 - 13	5 - 13	7 -10	18 - 24
	3.0	75	- 87	260 - 340		7 - 14	5 - 13	3 - 6	20 - 26

50	1.5	98 - 113		293 - 373		7 - 14	7 - 15	8 - 11	20 - 26
	3.0	105	- 120	300 - 380		7 - 15	7 - 15	4 - 7	22 - 28

70	1.5	133	- 150	315 - 415		9 - 15	9 - 16	11 - 14	26 - 32
	3.0	139	- 157	325 - 425		9 - 15	9 - 16	7 - 10	28 - 34

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 Series Geothermal Indoor Split Heat Pumps 410A Refrigerant Ton Single Speed Ton Dual CapacityPhysical Characteristics Model NomenclatureTable of Contents General Installation Information Equipment Selection Utilizing Existing Coil or Air HandlerAir Handler Installation Connection to Air CoilDual Fuel Systems Water Piping Swivel Connections Residential UnitsEnvision Matching Air Coil Surface Air Handler Coil DataLine Set Sizes Rows TubeOpen Loop Well Water Systems Solenoid ValveSolenoid Wiring Water QualityClosed Loop Ground Source Systems Multiple Units on One Flow CenterDesuperheater Connections Water Tank PreparationPlumbing Installation Desuperheater StartupGeneral Thermostat WiringElectrical Electrical DataWiring Schematics 24V Accessory relay see SW2 3 for description of operationHp Total Microprocessor Control Lockout Conditions Cooling OperationFan G only Operation Logic Data STG1 STG2 STG3 Emerg Single Speed UnitsDIP Switch Settings Freeze Sensing SettingPosition Description System Service Refrigeration Initial System Charge Calculation Leak Testing System Evacuation Charging the SystemDetermining Subcooling Pressure/Temperature Coversion Chart for R-410A Unit Operating Parameters Single Speed ModelsDual Capacity Models Startup Steps Before Powering Unit, Check The FollowingUnit Startup Final Evaluation Unit Startup/Troubleshooting Heating Cycle AnalysisDual Capacity Pressure Drop and Recommended Flow RatesSingle Speed Standard Microprocessor Controls TroubleshootingLED Definitions and Diagnostics Refrigerant SystemsPreventive Maintenance Replacement ProceduresPhysical Dimensions Envision NZ Split Dimensional DataInstallation Notes