Related Manuals for York T2GY
Summary of Contents for York T2GY
- Page 1 Geothermal Heat Pump with Water Heating for Radiant Floor Applications Installer’s Guide • R-410A Refrigerant • 3 - 6 Tons T2GY 18-GL04D1-7...
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Page 3: Table Of Contents
T2GY INSTALLER’S GUIDE Table of Contents Model Nomenclature ..............4 General Installation Information . -
Page 4: Model Nomenclature
T2GY INSTALLER’S GUIDE Model Nomenclature Vintage * – Factory Use Only Model Blower Option T – Envirowise 1 – Variable Speed ECM 2 – High Static Variable Speed ECM Compressor Type (038,049 only) 2 – Two-Stage Compression Water Coax Product Category C –... -
Page 5: General Installation Information
T2GY INSTALLER’S GUIDE General Installation Information Filter Rack Conversion Safety Considerations A 1 in. electrostatic filter is shipped with the heat pump. To field Installation and servicing of heating and air conditioning convert the filter rack to use 2 in. filters, simply remove the equipment can be hazardous due to system pressure and provided plastic push pins from the holes located in the filter rack. - Page 6 T2GY INSTALLER’S GUIDE General Installation Information cont. Water Piping Female Locking Ring The proper water flow must be provided to each unit whenever the unit operates. To assure proper flow, use pressure/temperature ports to determine the flow rate. These ports should be located at the supply and return...
- Page 7 T2GY INSTALLER’S GUIDE General Installation Information cont. Water Quality antifreeze could significantly improve system reliability if It is the responsibility of the system designer and installing the water quality is controlled and there are additives in the mixture to inhibit corrosion. There are many examples of contractor to ensure that acceptable water quality is such fluids on the market today such as Environol™...
- Page 8 T2GY INSTALLER’S GUIDE General Installation Information cont. Freeze Detection Limit (Water Flow) Condensate Drain Set the freeze detection limit switch SW2 #2 to “Loop” on The internal condensate drain assembly consists of a drain the printed circuit board for applications using a closed tube, which is attached to the drain pan, a 3/4 in.
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Page 9: Closed Loop Ground Source Systems
T2GY INSTALLER’S GUIDE Closed Loop Ground Source Systems Once piping is completed between the unit, flow center flow through the unit by checking pressure drop across the and the ground loop, final purging and charging of the heat exchanger (Refer to Pressure Drop table). Usually 2.5- loop is needed. -
Page 10: Open Loop Ground Water Systems
T2GY INSTALLER’S GUIDE Open Loop Ground Water Systems Typical open loop piping is shown in the Open System: Discharge water from the unit is not contaminated in any Ground Water Application. Always maintain water pressure manner and can be disposed of in various ways such as... -
Page 11: Hot Water Generator Connections
T2GY INSTALLER’S GUIDE Hot Water Generator Connections To maximize the benefits of the hot water generator a kit is supplied with installation instructions, circulator, tank minimum 50-gallon water heater is recommended. For adaptor and temperature limit switch. Be sure to burp the higher demand applications, use an 80-gallon water heater pump. -
Page 12: Hydronic Section
T2GY INSTALLER’S GUIDE Hydronic Section General guidelines are shown below for component there is a restriction in the screen, the system could go to selection and design/installation criteria for the piping 0 psi (0 kPa), potentially causing pumps(s) failure. A valve system. - Page 13 The unit must be wired to the thermostat screw terminals. The should be sized to provide 2 gallons of storage capacity for yellow thermistor wires will not operate with the T2GY as they are every one thousand Btuh’s of nominal heat pump capacity.
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Page 14: Electrical Connections
T2GY INSTALLER’S GUIDE Electrical Connections Unit Line Voltage 208-230/60/1 General Be sure the available power is the same voltage and phase as that shown on the unit serial plate. Line and low voltage wiring must be done in accordance with local codes or the National Electric Code, whichever is applicable. -
Page 15: Electronic Thermostat Installation
T2GY INSTALLER’S GUIDE Electronic Thermostat Installation Thermostat Wiring Installation Position the thermostat subbase against the wall so that it is level and the thermostat wires protrude through the 24VAC (Hot) subbase. Mark the position of the subbase mounting holes and drill holes with a 3/16 in. bit. Install anchors and secure 24VAC (Common) base to the wall. -
Page 16: Auxiliary Heat
T2GY INSTALLER’S GUIDE Auxiliary Heat Auxiliary Heat Electrical Data Supply Heater Amps Min Circuit Amp Max Fuse (USA) Max Fuse (CAN) Max CKT BRK Model Circuit 208V 240V 208V 240V 208V 240V 208V 240V 208V 240V EAL(H)10A Single 34.7 53.3 Single 52.0... -
Page 17: Electrical And Blower Performance Data
T2GY INSTALLER’S GUIDE Electrical Data Compressor Blower Total Rated Voltage Model Pump Loop Motor Unit Circ Fuse/ Voltage Min/Max LRA** HACR 208-230/60/1 187/253 23.8 15.2 83.0 30.0 1.07 25.7 29.5 038* 208-230/60/1 187/253 23.8 15.2 83.0 30.0 1.07 28.7 32.5... -
Page 18: Dimensional Data
T2GY INSTALLER’S GUIDE Dimensional Data Topflow Discharge LEFT RETURN RIGHT RETURN LEFT FRONT RIGHT FRONT Electrical Connections Overall Cabinet Water Connections Vertical Topflow 1/2” cond 3/4” cond 1/2” cond Loop Hydronic Model Hydronic Hydronic Cond- Water Water Sweat Power Width... - Page 19 T2GY INSTALLER’S GUIDE Dimensional Data cont. Rear Discharge FRONT LEFT RETURN RIGHT RETURN REAR REAR RIGHT SIDE LEFT SIDE Electrical Connections Overall Cabinet Water Connections Vertical Backflow Loop Hydronic 1/2” cond 3/4” cond 1/2” cond Model Hydronic Hydronic Cond- Water...
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Page 20: Physical Data
T2GY INSTALLER’S GUIDE Physical Data Model Compressor (1 each) Copeland Scroll Factory Charge R410a, oz [kg] 82 [2.32] 102 [2.89] 120 [3.40] 120 [3.40] ECM Fan Motor & Blower Fan Motor Type/Speeds Variable Speed ECM Fan Motor- hp [W] [373]... -
Page 21: Microprocessor Control
T2GY INSTALLER’S GUIDE Microprocessor Control Startup Testing The unit will not operate until all the inputs and safety The control allows service personnel to shorten most timing controls are checked for normal conditions. At first power- delays for faster diagnostics (Refer to Dip Switch description). - Page 22 T2GY INSTALLER’S GUIDE Microprocessor Control cont. Heating Operation Hot Water Operation After a hot water input is received, the diverting valve, loop Heat, 1st Stage (Y1) pump and load water pump are turned on. Five seconds The blower motor is started on low speed immediately, the after hot water input is received the compressor is activated loop pump is energized 5 seconds after the “Y1”...
- Page 23 T2GY INSTALLER’S GUIDE Microprocessor Control cont. Hydronic Operation ComforTalk and FaultFlash Thermostats SW4 (Status Board Switch) When the heat pump microprocessor control is configured In the OFF position, the hydronic mode is for ComforTalk or FaultFlash (SW2-8 ‘off’) thermostats the...
- Page 24 T2GY INSTALLER’S GUIDE Microprocessor Control cont. Airflow Selection DIP Switches (SW1) See Blower Performance Data section. Factory Setup DIP Switches (SW2) DIP Switch Description OFF Position ON Position Number Service Test Mode Allows field selection of “NORMAL” or “TEST” operational modes. Test mode accelerates...
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Page 25: Operation Logic
T2GY INSTALLER’S GUIDE Operation Logic Heating Cooling Hot Water Mode STG1 STG2 STG3 EMERG STG1 STG2 Compressor Stg 2 On Reversing Valve Loop Pump Load Pump Aux Heater Staged Staged Acc Relay Diverting Valve ECM Speed T-Stat Signal Y1, Y2... -
Page 26: Wiring Schematics
T2GY INSTALLER’S GUIDE Wiring Schematics 208-230/60/1 ECM Compressor Black Blue Tan(16) NOTE 3 Unit Power Ext Pump 208-230/60/1 1/2 hp Total Blk/Wh(11) Brown 208-230/60/1 Gry/Wh(10) Orange Gray(9) Pump Pump Yellow(8) Black Green(18) NOTE 2 208V Load Orange(14) Pump NOTE 1... - Page 27 T2GY INSTALLER’S GUIDE Wiring Schematics cont. 208-230/60/1 ECM cont. With optional EA Series 10kW Auxiliary Electric Heat shown Desuperheater Place auxiliary heat schematic from kit here Option Pump Blue Pink 1 - Use copper or aluminum conductors. 208-230/60/1 2 – When Auxiliary Heat is installed the BLK/WHT...
- Page 28 T2GY INSTALLER’S GUIDE Wiring Schematics cont. 208-230/60/1 ECM with IntelliStart Blue Pink Blue Black Run Winding Blue IntelliStart Pump Blue Blue Active Pink Start Blue Blue Tan(16) Desuperheater Common Black Option Unit Power NOTE 3 Ext Pump 208-230/60/1 1/2 hp Total...
- Page 29 T2GY INSTALLER’S GUIDE Wiring Schematics cont. 208-230/60/1 ECM with IntelliStart cont. With optional EA Series 20kW Auxiliary Electric Heat Shown 208-230/60/1 208-230/60/1 Note 2 1 - Use copper or aluminum conductors. Circuit 2 Circuit 1 2 - Use manufacturer’s part number 19P592-01 (jumper bar assembly) when single source power is required.
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Page 30: Unit Startup
T2GY INSTALLER’S GUIDE Unit Startup Before powering unit, check the 9. Instruct the owner/operator in the proper operation of the hydronic temperature control and system maintenance. following: • Fuses, breakers and wire size are correct and match the Forced Air Startup Instructions name plate. -
Page 31: Operating Parameters
T2GY INSTALLER’S GUIDE Operating Parameters 1st Stage Operating Parameters 038-072 Forced Air Cooling Forced Air Heating Suction Discharge Water Air Temp Suction Discharge Water Air Temp Water Flow Super-heat Sub-cooling Super-heat Sub-cooling EWT °F Pressure Pressure Temp Rise Drop °F... -
Page 32: Pressure Drop
T2GY INSTALLER’S GUIDE Pressure Drop Pressure Drop (psi) Model 30°F 50°F 70°F 90°F 110°F full load part load full load part load full load part load full load 10.8 10.1 part load 6/8/11... -
Page 33: Compressor And Thermistor Resistance
T2GY INSTALLER’S GUIDE Compressor Resistance 208-230/60/1 Compressor Model Model No. Start ZPS30K5E-PFV 0.81 - 0.94 1.41 - 1.63 ZPS40K5E-PFV 0.48 - 0.55 1.72 - 1.99 ZPS51K5E-PFV 0.36 - 0.42 1.51 - 1.74 ZPS60K5E-PFV 0.31 - 0.36 1.72 - 1.98 9/24/2013... -
Page 34: Heat Of Extraction/Rejection
T2GY INSTALLER’S GUIDE Heat of Extraction/Rejection Heat of Extraction (kBtuh) Heat of Rejection (kBtuh) Model 30°F 50°F 70°F 90°F 30°F 50°F 70°F 90°F 110°F 18.5 25.1 30.9 34.8 33.5 32.1 12.0 Part Load 19.1 26.4 32.8 29.4 34.9 33.6 32.1 30.4... -
Page 35: Antifreeze Corrections
T2GY INSTALLER’S GUIDE Antifreeze Corrections Catalog performance can be corrected for antifreeze use. Please use the following table and note the example given. Antifreeze Type Antifreeze % by wt Heating Cooling Pressure Drop EWT - °F [°C] 30 [-1.1] 90 [32.2] 30 [-1.1]... -
Page 36: Correction Factor Tables
T2GY INSTALLER’S GUIDE Correction Factor Tables Air Flow Corrections (Dual Capacity Part Load) Airflow Cooling Heating CFM Per Ton % of Nominal Total Cap Sens Cap Power Heat of Rej Htg Cap Power Heat of Ext of Clg 0.922 0.778 0.956... -
Page 37: Operating Limits, Reference Calculations, Legend And Notes
T2GY INSTALLER’S GUIDE Operating Limits NOTES: Minimum/maximum limits are only for Cooling Heating Operating Limits start-up conditions, and are meant for bringing the °F °C °F °C space up to occupancy temperature. Units are not Air Limits designed to operate at the minimum/maximum Minimum Ambient Air conditions on a regular basis. -
Page 38: Troubleshooting
T2GY INSTALLER’S GUIDE Troubleshooting Standard Microprocessor Controls To check the unit control board for proper operation: 1. Disconnect thermostat wires at the control board. 2. Jumper the desired test input (Y1, Y2, W, O or G) to the R terminal to simulate a thermostat signal. To simulate a hot water call, jumper tan wires 11 and 14 on P5 connector. -
Page 39: Startup And Troubleshooting Form
T2GY INSTALLER’S GUIDE Startup and Troubleshooting Form Company Name: _________________________________ Company Phone No: ______________________________ Technician Name: ________________________________ Date: __________________________________________ Model No: ______________________________________ Serial No:_______________________________________ Owner’s Name: __________________________________ Open or Closed Loop: _____________________________ Installation Address: ______________________________ Installation Date: _________________________________ Check One... -
Page 40: Heating And Cooling Analysis
T2GY INSTALLER’S GUIDE Heating Cycle Analysis ______PSI = ______SAT°F ______°F Air Coil Suction °F °F Compressor Source Discharge Coax ______PSI = ______SAT°F open ______°F Refrigerant charge compensator Load Inactive Coax circuit Unit Amp Draw ____________ Entering Source Water ________°F Line Voltage _________... -
Page 41: Hot Water Cycle Analysis
T2GY INSTALLER’S GUIDE Hot Water Cycle Analysis ______PSI = ______SAT°F ______°F Air Coil Suction Compressor Source Discharge Coax ______°F Liquid Line ______PSI = ______SAT°F closed ______°F Refrigerant charge compensator Coax Entering Source Water ________°F Entering Water Pressure Drop _____ PSI Unit Amp Draw ____________ Leaving Source Water ________°F... -
Page 42: Preventative Maintenance And Replacement Procedures
T2GY INSTALLER’S GUIDE Preventative Maintenance Water Coil Maintenance Condensate Drain In areas where airborne bacteria produce a slime in the 1. Keep all air out of the water. An open loop system drain pan, it may be necessary to treat chemically to should be checked to ensure that the well head is not minimize the problem. -
Page 43: Service Parts List
T2GY INSTALLER’S GUIDE Service Parts List Dual Capacity Vertical Units Parts Compressor (ZPSK5Es) 34P641-11 34P642-11 34P643-11 34P644-11 Run Capacitor 16P002D20 16P002D18 16P002D31 Sound Jacket 92P504A16 Power Harness 11P781-01 Solenoid Harness 11P782-02 Blower Assembly 54S564-01N 54S560-01N ECM Motor 14S564-01 14S557-01 High Static Blower Assembly... - Page 44 T2GY INSTALLER’S GUIDE...
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Page 45: Revision Guide
T2GY INSTALLER’S GUIDE Revision Guide Pages: Description: Date: Misc. Updated for Aluminum Coils, Wiring Schematics 1 July 2017 26-29 Updated Wiring Schematics for Auxiliary Heat Changes, Updated ETL logo, Service Parts List 14 April 2015 4, 9 Updated Nomenclature Hot Water Generation Option and Updated Open Loop Solenoid 30 Sept 2014 Valve Connection Option Wiring Diagrams. - Page 46 07/17 The manufacturer has a policy of continuous product and product data improvement and reserves the right to change design and specifi cations without notice.