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Summary of Contents for AirTap ATI50
- Page 1 Technical Manual AirTap™ Hybrid Water Heater ATI-T3.0.1...
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Page 3: Table Of Contents
TABLE OF CONTENTS Specifications Controls & Operating Logic 9-12 Airflow: Ducting & Fan Speed 13-15 Maintenance 16-18 Alarms and Errors Codes 19-20 FAQs 21-24 Appendix 25-32 Contact... -
Page 4: Specifications
SPECIFICATIONS A. SPECIFICATION TABLE SPECIFICATIONS (Models ATI50, ATI66 and ATI80) Power supply 220-240V AC Single Phase Frequency 60Hz Electric outlet rating Heat pump output (ambient temp 68F) 2.75kW Primary electric heater output Back-up electric heater output Maximum water temperature 135F... - Page 5 SPECIFICATIONS C. MAIN WIRING PORT (CONT.) When the main port is wired and power supply turned on, the electronic control panel is activated. A second wiring port is located next to the main wiring port and is labeled ‘Back up heater’. Under normal operation, only the main wiring port must be wired and the Back-up heater wiring port must remain un-wired.
- Page 6 SPECIFICATIONS E. DIMENSIONS & WEIGHT ATI50 ATI66 ATI80 Height (H) 59½” 70½” 75½” Diameter (D) 25½” 25½” 25½” Weight (lbs) Fig. 2...
- Page 7 11 Hand Grip 28 Back-Up Heater Wiring Port 12 Cold Water Inlet 29 Main Wiring Port 13 Drain Valve 30 Temp Limiting Circuit Break (ATI50) 14 Supporting Frame 31 Hand Grip 15 Filter Access Cover 32 Air Inlet (Double Vent Version Only)
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Page 8: Specifications
SPECIFICATIONS G. TANK CROSS-SECTIONAL VIEW Fig. 4 1 Hot Water Outlet 2 Anode Rod 3 Cold Water Inlet 4 Drain 5 Upper Water Temp Sensor (T1) 6 Primary Electric Heater 7 Lower Water Temp Sensor (T2) 8 Back-Up Electric Heater 9 Insulation 10 Condenser Coils... -
Page 9: Controls & Operating Logic
CONTROLS AND OPERATING LOGIC A. TEMPERATURE AND PRESSURE SENSORS The following sensors are inbuilt in the unit: Temperature sensor type Terminology How to check? 1. Water temperature (upper) A0/T1 Press 'Up' arrow key 2. Water temperature (lower) A1/T2 Default display 3. -
Page 10: Pcba/Control Parameters
CONTROLS AND OPERATING LOGIC B. PCBA / CONTROL PARAMETERS Code Function Range Factory setting Water set temperature 90-135 F Heat pump kick-in differential* 1-54 F Max ambient temp for heat pump operation 42-130 F Min ambient temp for heat pump operation 0-40 F Heat pump re-start ambient temp differential** 1-20 F T1/T2 adjustment... - Page 11 CONTROLS AND OPERATING LOGIC C. HOW CAN I ACCESS AND CHANGE THE CONTROL PARAMETERS? You may check or change the current value of a parameter by following these steps: 1. Keep the ‘Mode’ button pressed till F11 displays on the screen 2.
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Page 12: Controls & Operating Logic
CONTROLS AND OPERATING LOGIC E. MODES AND OPERATING CRITERIA Users can choose to operate the unit in one of the following modes: AUTO MODE (Default) Operates heat pump AND primary electric heater Heat pump ON if T2<=F11-F12 Heat pump OFF when T2=F11 Electric heater ON if T1<=F11-F12-10 Electric heater OFF when T1=F11 ECON MODE... -
Page 13: Airflow: Ducting & Fan Speed
AIRFLOW: DUCTING & FAN SPEED A. DUCTING EXHAUST AIR Can I duct the exhaust air from the unit? What are the benefits of ducting the exhaust air? The unit has an exhaust air outlet that can be connected to a 6-inch duct. The cool exhaust air, a free by-product of heat pump operation, can be ducted to any part of the home. - Page 14 For duct lengths longer than 10 feet, rigid ducting is recommended. C. DUCTING INTAKE AIR The AirTap Hybrid water heater is also available in a double vent version. The DV series can be ducted for both exhaust and intake air.
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Page 15: Airflow: Ducting & Fan Speed
AIRFLOW: DUCTING & FAN SPEED D. DIMENSION, SPACE REQUIREMENT AND VENTILATION 1’ Fig. 8 Please check dimensions of the model you intend to install and ensure that the unit has a minimum of 1 feet of clearance from the top. If the unit is ducted to vent the exhaust air, ensure that sufficient clearance is available. Ensure that air intake to the unit is not blocked or obstructed. -
Page 16: Maintenance
MAINTENANCE WARNING: RISK OF ELECTRIC SHOCK MAKE SURE THE UNIT IS COMPLETELY SHUT OFF AND UNPLUGGED FROM POWER SOURCE. A. T&P / RELIEF VALVE The relief valve is an important safety feature and must be checked at least once a year. You may lift the lever handle to release water from the unit and ensure that the valve is operating normally. - Page 17 MAINTENANCE E. CONDENSATE DRAIN TUBE The unit is equipped with two condensate water drains – a primary drain and an overflow drain. A monthly check is recommended to ensure that these drains are not blocked. Blockage at the primary condensate water will trigger an alarm and shut the heat pump off.
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Page 18: Maintenance
MAINTENANCE I. ACCESS TO CRITICAL PARTS Please follow the steps below to gain access to heat pump components (including filter), anode rod, temperature limiting reset button and electric heating elements (primary and back-up). Fig. 9 Slide the control panel upwards to expose control panel docking connector Remove connector and slide out the control panel completely Unfasten decorative panel screws (2 places) Unfasten metal bracket screws (2 places) -
Page 19: Alarms And Errors Codes
ALARMS AND ERROR CODES The unit will sound an alarm and display an error code in the event of a malfunction. If the unit is sound- ing an alarm, note the flashing error code and turn off the unit by pressing the ‘Off’ button. Contact support at AirGenerate before attempting to turn on the unit. -
Page 20: Alarms And Errors Codes
ALARMS AND ERROR CODES A7: Compressor discharge temperature (measured by sensor A3) over limit (limit set by parameter F58 – default setting 230’F). Check the following: 1. If the water set temp (F11) is above 125’F, reduce it to 125’F temporarily. 2. -
Page 21: Faqs
FAQS A. PERFORMANCE / GENERAL How efficient is the unit? How does it compare to gas, electric or tankless water heaters? The Energy Factor rating on the unit is 2.35 (in Auto or hybrid mode). Electric, gas and tankless water heaters have an Energy Factor of less than 1. -
Page 22: Times
FAQS A. PERFORMANCE / GENERAL (CONT.) What are the benefits of ducting the exhaust air? Can I duct the exhaust air to any part of the home? Is there a restriction on the duct length? The cool exhaust air from the unit maybe ducted to supplement home cooling in warmer months. You may duct the exhaust air to any part of the home. - Page 23 FAQS B. TROUBLESHOOTING I am running out of hot water. How can I increase hot water recovery? Increase the set temperature, make sure it is in Auto Mode, and change the kick-in differential to a lower number. How can I check if the heat pump is running? When the heat pump is running, the HTG icon will be lighted on the display panel.
- Page 24 FAQS B. TROUBLESHOOTING (CONT.) How can I change the primary electric element? See appendix E How can I change a temperature sensor? See appendix F What are the available parts? See appendix G...
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Page 25: Appendix
CAUTION: Procedure must be carried out in an open or vented space, with unobstructed air flow. Ensure there are no flammable objects in the vicinity. Refrigerant must not be inhaled. Remove AirTap case. (Section A: Access To Critical Parts, Fig. 1) Locate refrigerant return line in the system. (Please refer to Fig. 2) Install a Schrader valve, size 3/8”, to the return line. -
Page 26: Safety Information
APPENDIX B: CONTROL PANEL REPLACING PCB / CONTROL PANEL The AirTap water heater has an advance PCB to control it’s operations. Please follow the instruction to replace the PCB. Safety Information Please read this section carefully to prevent accidents or injuries. All the warning and safety procedures written in AirTap’s main installation guide applies here. - Page 27 APPENDIX B: CONTROL PANEL Unfasten protective cover screws. Unfasten PCB screws. Replace defective PCB with new PCB . Screw all screws back , connect the panel docking connector, and slick the display panel back into its place.
- Page 28 APPENDIX C: FAN ACCESSING THE FAN Please follow the steps below to gain access to heat pump components (including filter), anode rod, temperature limiting reset button and electric heating elements (primary and back-up). Slide the control panel upwards to expose control panel docking connector Remove connector and slide out the control panel completely Unfasten decorative panel screws (2 places) Unfasten metal bracket screws (2 places)
- Page 29 APPENDIX D: BACK-UP HEATER CHANGING THE BACK-UP HEATER 1. Remove the power source from the primary heater wiring port. Remove plate cover and connect the power source to the back-up heater wiring port.
- Page 30 APPENDIX E: ELEMENT A. ACCESSING THE ELEMENT 1. Slide the control panel upwards to expose control panel docking connector 2. Remove connector and slide out the control panel completely 3. Unfasten decorative panel screw 4. Unfasten protective cover B. REMOVING DEFECTIVE ELEMENT 1.
- Page 31 APPENDIX F: TEMPERATURE SENSOR CHANGING TEMPERATURE SENSOR To change the temperature sensor, the motherboard will need to be replace. Please follow the circuit diagram and re- place all connections in the wiring scheme.
- Page 32 APPENDIX F: PARTS AVAILABLE PARTS Part Number 100434 T&P relief valve 100599 Drain valve 100891 Filter 100673 Control panel display 100631 Mother board fuse 100880 Mother board 100890 4-way reversing valve 100350 Thermal expansion valve 100016 Evaporator 100424 11. Anode rod 100379 12.
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Page 33: Contact
CONTACT CUSTOMER SUPPORT Please contact AirGenerate™ Support Department for any technical assistance or questions. Register your unit at: www.airgenerate.com AirGenerate™ 8500 Commerce Park Dr. Suite 105 Houston, TX 77036 Phone: 1(713) 574-6729 Fax: 1(281) 520-3987 Email: support@airgenerate.com, for support or to query about a new purchase. www.airgenerate.com...
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