ACWH Users Manual - Heat Recovery Water Heaters & Pool Heaters
Contents
1. Air Conditioner Water Heater A Product of HotSpot Energy LLC PLEASE READ THIS BEFORE YOU INSTALL THE UNIT 1 This air conditioner must be installed and or repaired by a qualified technician If you perform part of the installation yourself you MUST have a qualified HVAC technician commission the unit Commissioning includes inspecting the installation work and making all final electrical and refrigeration connections evacuating the unit with a vacuum pump releasing the R410a pre charged refrigerant into the system and Starting up and testing the unit If you have used a HotSpot provided 25 ft line set extension or have used a custom made line set longer than the 25 ft the technician will need to add oil and refrigerant per the installation manual instructions YOU CANNOT COMMISSION THE UNIT YOURSELF 2 The air conditioning unit must be grounded properly 3 This unit contains a heat recovery water heating circuit Make sure to leave the pump switch located on the outdoor unit in OFF position during the installation process until the water supply is connected and turned on Do not allow the pump to operate without water flow FAILURE TO OBSERVE THE ABOVE MAY DAMAGE THE EQUIPMENT AND VOID YOUR WARRANTY Please read the SAFETY AND OPERATING INSTRUCTIONS carefully before operating the unit Please respect the safety precautions when using your air conditioner to prevent fire shock hazard personal injury or death HotSpot AC2. 3 8 SLEEP MODE For better comfort during sleeping the temperature will be increased in cooling mode and decreased in the heating mode during this function Press SLEEP button to start the sleep function and this symbol displays on the LCD Press it again to cancel this function 3 9 SWITCHING FROM C TO F Press C F button to switch the display from Celsius to Fahrenheit HotSpot ACWH18 4 SYSTEM MAINTENANCE ATTENTION ALWAYS TURN THE UNIT OFF BEFORE CLEANING Cleaning of the remote control Clean the intake vent grill Clean with a damp cloth Clean with a damp cloth lf necessary use a gentle soap CLEANING THE AIR FILTERS 2 Use vacuum suction 3 Leave to dry 4 0 put the filters back 1 Hold the two ends hoseor a damp cloth in place hold the two of theGrill and gently to clean filters ends of the grill and pull downthe Filters gently push inwards to remove until in place When the machine will not be used for a long period of time Run to dry the inside of the machine Pull out the power plug Take the batteries out of the remote control HotSpot ACWH18 5 WATER HEATING CIRCUIT 1 The water heating circuit can be enabled disabled with a switch located on the outdoor unit It is the only user accessible on off switch on the outdoor unit Be careful not to touch nearby electrical connections Make sure you are wearing gloves and shoes and are not standing in a wet area when operating t
3. extended period of time close all doors and windows Do not operate without the air filter installed or when the front intake grill has been removed Do not place anything on the unit Always turn the power off before cleaning the air conditioner to avoid any possible accidents Please ensure proper ventilation when using the air conditioner CONTENTS To Consumers Safety Precautions Part 1 Operation Instructions Part names and functions 1 1 Indoor unit 1 2 Outdoor unit 1 3 Remote control Part 2 Preparation before operation 2 1 Preparations of the remote controller Part 3 Operation Settings 3 1 Cooling Heating Dehumidification 3 2 Timer operation 3 3 Air flow adjustment 3 4 Fan 3 5 Automatic Mode 3 6 Emergency switch 3 8 High Power 3 9 Switch from C to F Part 4 System Maintenance Part 5 Water Heating Circuit Part 6 Troubleshooting Cooling amp Heating Main Specifications PART OPERATION INSTRUCTIONS 1 Part name and functions 1 1 Indoor Unit Air filter Intake vent _ Digital color display atts GT MJ E Outlet vent Emergency switch COLOR DISPLAY Green light is on Unit is on Green light is off Unit is off Yellow light on Air conditioner is set on timer Red light is flashing Air conditioner is abnormal please consult a technician Press the LOCK button once color display goes off press it again color display turns back on 1 2 Outdoor Unit Intake ve
4. or if and off regularly alr outlet is blocked or if heat exchanger is dirty Indoor unit does not Contact sales rep Ghange wrong unit match outdoor unit ees tripped 1 Gompressor Change OCR OCR is open circuit Indoor motor feedback Na Change indoor PCB fault HotSpot ACWH18 Main Specifications For Cooling amp Heating Rated Voltage Rated Frequency Hz 1333 2400 1 E 29 Rated Cooling Power Input Mass indoor untt outdoor unit Ibs 24 81 26 97 26 117 37 150 Air Flow indoor unit m3 h 1200 W Rated Heating Power Input W P 5 2 Design Pressure of High Side PS 6 Design Pressure of Low Side PSI 250 250 250 250 Retrigerant type quantity Ibs R4 10A 2 03 R410A 2 87 R410A 2 87 f 5 DO 30 The pump consumes 90w of power However when the pump is running waste heat is being recovered which lowers the head pressure of the compressor and lowers the motor torgue causing an electrical savings of 120w at full operation The unit will have lower overall electrical consumption when the heat recovery circuit is active with no negative effect on cooling performance
5. ON OFF button to tum the unit on 2 Press MODE button and choose Automatic 3 Press UP DOWN o regulate preset temperature 4 Press SPEED the Air flow speed can be regulated 5 Press LOUVER the Air flow direction can be regulated 6 Press ON OFF unit stops operation NOTE In AUTOMATIC mode the unit cools heats or fan according to difference in temperatures HotSpot ACWH18 3 6 EMERGENCY SWITCH Emergency switch can be used when the remote controller does not work or it is lost By pressing this button also called the reset switch the unit re starts with the temperature set at 24 degrees C The mode the unit starts at cooling heating or just fan depends on the temperature betweenthe indoor room temperature and the set temperature after re start 3 7 HIGH POWER Press TURBO button in cooling or heating mode then this signal displays on LCD Press TURBO button again to cancel the high power function During high power function the unit operates more efficiently than normal NOTE nE 1 High Power function is generally used only when just starting up the unit 2 The indoor unit runs at highest fan speed during this function The high power function stops automatically after 15 minutes Then the unit runs with the minimum frequency for 5 minutes then it runs in the pre set mode andthe symbol automatically disappears 3 The noise will be higher than normal in the High Power function
6. WH18 SAFETY PRECAUTIONS INSTALLATION AND OPERATION PRECAUTIONS Do not attempt to perform any work yourself that involves opening an equipment cabinet or that involves any refrigerant or electrical connections You should only do part of the installation if you are qualified to do so This may include mounting the outdoor unit on a pad and mounting the indoor unit laying out and mounting the line set drain line but not connecting the line set to the indoor or outdoor units You may also choose to lay out and run the electrical line from your power source to the system but do not connect the wiring at either end You may also choose to run the water lines and connect them to the tank and to the unit if you are qualified to do so if so please follow the instructions that are provided and make sure you perform the work in compliance with IAPMO and local plumbing codes If you do part of the installation improperly this may cause water leakage water damage refrigerant leakage damage to the unit electric shock fire injury or death The unit should be installed by a qualified technician ONLY A LICENSED HVAC TECHNICIAN CAN COMMISSION THE UNIT AFTER FOLLOWING NORMAL INDUSTRY STANDARD PROCEDURES AND MAKING ALL ELECTRICAL AND REFRIGERANT CONNECTIONS EVACUATING AND PROPERLY CHARGING THE SYSTEM COMMISSIONING MUST BE PERFORMED ACCORDING TO ASHREA AHRI STANDARD PROCEDURES AND LOCAL CODES Please use a proper ground Improper grounding could
7. ays in the LCD panel and the Air conditioner will auto start or stop according to the pre set times 1 Press TIMER button ON the time on the LCD display changes to temperature Press UP and DOWN to set the time of auto start five seconds later time will be confirmed and the number changes back to temperature 2 Press TIMER button OFF the temperature on the LCD display changes to time Press UP and DOWN to set the time of auto stop five seconds later time will be confirmed and the number change back to temperature 3 Press TIMER button there is no ON or OFF the auto start or auto stop is cancelled NOTE 1 The unit of time is HOUR 2 he time range is 1 24 hours HotSpot ACWH18 3 3 AIR FLOW ADJUSTMENT 1 Fan speed Press SPEED button to adjust fan speed as follows Low Medium e High e Auto 2 Horizontal direction For horizontal direction of Air flow set blades left or right manually 3 Vertical direction Press LOUVER lonce the Louver will swing up and down Press it again and it stops at your desired position 3 4 FAN 4 Press ON OFFI button the Air conditioner stops operating NOTE When the unit is in the FAN MODE Green light stays on the temperature cannot be changed the Auto Fan speed cannot be chosen and PF displays in LCD 3 5 AUTOMATIC MODE When the unit is in Auto Mode the Green light stays on The temperature Fan speed and Air flow direction is preset 1 Press
8. cause electric shock fire or equipment damage Do not place the ground line near water or gas pipes electric or telephone lines Do not install the unit in a place where there could be a gas leak The unit may catch fire or cause an explosion if flammable gas leaks around it This unit is not rated for operation in a hazardous environment Please ensure smooth flow of water when installing the drain hose If the drain line becomes kinked or blocked you will likely suffer water damage The indoor unit should be installed at least 7 ft high from the floor If the fuse on the PCB board is blown please have it changed only by a Qualified technician Do not operate with wet hands Avoid staying directly in front of operating unit Do not insert foreign objects into the unit Always have the unit repaired by a professional technician Danger of electric shock or fire if used improperly Do not use if the power cord is damaged it could cause an electric shock or fire Do not allow children to operate the air conditioner Never sit on the unit If you notice an abnormality burnt smell etc please shut the power off from the Breaker The unit should not be used for any other purpose Avoid spilling liquids on the unit Do not place the air conditioner close to a heat source it could cause a deformation or color fading Do not block the air intake and outlet vents Do not let the air conditioner function at maximum power for an
9. e LOUD NOISE FRom Clean air filters THE UNIT Clean evaporator on outdoor unit Check H Values VIBRATION IN OUTDOOR UNIT e Check H Values WATER LEAKING Me aa in the outdoor outlet due to the FROM INDOOR UNIT difference in temperature Check the drainpipe DISPLAY SHOWS AN ERROR CODE Refer to the list of error codes HotSpot ACWH18 6 2 Please offer below information to repairman for better service H value Press LOCK button 6 times with 7s on remote controller there will display H value in indoor digital display the details of H value see below HNo Od Description _ Daa oo 2 Jodo pipe ensortemperate M H3 Qu tdoor air sensor temperature Dg Hoop enor tangs HS Joutdoor discharge sensor temperature rr H7 Ipvoltage opo H8 Itompressorfregueney Sa Temperature set on remote controller Error code Following are a list of error codes and meanings 2 IE Indoor air sensor is faulty Check connection Reconnect or change the e P ibar pne semen E or _ of sensor sens faulty al iian PCB is fault Check indoor PCB Change indoor ALIA PCB EG Outdoor sensor is not Oheck connection Reconnect or change the mye connected well or fault or of sensor sens fo Self protection due to estart air conditioner lectricity surg PCB or deren outdoor PCB 2 The OCH Turn off the air conditioner temperature is too and restart it half hour high later 3 The OCR is on Check if motors r runs
10. his switch The switch must be off until the outdoor unit is connected to the water lines water tank per the installation instructions and there is water pressure established in the water circuit with all air purged from the water lines 2 The circulation pump is a water cooled unit Allowing the water heating circuit pump to operate without water will damage the circulation pump and void the pump warranty If in the future you must shut off your water supply and or drain your water tank make sure to disable the ACWH water heating circuit first Alternatively you can turn off the circuit breaker that supplies power to the ACWH to keep the pump entire system from running during a water outage 3 The water heating controls are automatic The recovery circuit will run when there is sufficient heat available for heat recovery water heating This means the water heating circuit will probably be active whenever the system is running To verify operation of the water heating circuit carefully and temporarily peel back a small amount of water line insulation at a point near the outdoor unit and verify that the return line is hotter than the supply line 4 If your unit was ordered with HL high temperature limit option the water heating circuit will turn itself off whenever the tank temperature is above 140F If you do not have this option note that the water temperature may get as hot as 158F If you do not have the HL option you must have a sca
11. ld valve also called a mixing valve or tempering valve installed on your water tank WATER ABOVE 115F CAN SCALD WATER AT 140F OR HOTTER CAN CAUSE SEVERE INJURY A scald valve is recommended regardless of options installed 5 If your system is equipped with Freeze Protection option FP you must make sure the outdoor unit has power the freeze protection circuit cycles tank water to keep the outdoor lines and heat exchanger from freezing This action relies on the pump which reguires electricity IF YOU HAVE FREEZE PROTECTION AND DURING FREEZING WEATHER YOU HAVE A POWER OUTAGE IT IS HIGHLY RECOMMENDED THAT YOU CLOSE THE ISOLATION VALVES AND DRAIN THE WATER HEATING CIRCUIT or connect the system to a backup power source IF YOU DO NOT HAVE THE FP FREEZE PROTECTION OPTION YOU MUST DRAIN THE SYSTEM IN ADVANCE OF ANY FREEZING WEATHER CONDITIONS 6 The pump uses an easily replaceable cartridge that contains all of the moving parts If it needs to be replaced please consult a qualified technician Contact HotSpot for a replacement cartridge 6 TROUBLESHOOTING Cooling amp Heating 6 1 Troubleshooting part 1 REMOTE NOT e Make sure the battenes are inserted correctly WORKING e Batteries need to be replaced LOW EFFICIENCY e Clean air filters OF COOLING OR s Clean evaporator on the indoor unit HEATING Check H Values UNIT NOT WORKING Unit will restart after defrosting mode Heating will IN THE HEAT MODE resume after defrosting is don
12. nt Outlet vent NOTE The diagram above is of a standard exterior unit and may differ from your unit HotSpot ACWH18 1 3 REMOTE CONTROL Transmit tube Transmits signal to indoor unit ON OFF button Set on off Air flow direction button Set up and down air flow direction Temperature amp time adjustment buttons Temperature 16 C 30 C Time 1 24h Timer button Time on off cancel Sleep button Set sleep mode CIF Switching Fahrenheit from Centigrade Liquid crystal display Display relevant content Mode button Choose Auto cooling heating dehumidifying fan Fan Speed button Choose Low Medium High Auto Turbo button Enables fast cooling heating Lock button Not available to this unit Reset button Reset unit to original setting HotSpot ACWH18 1 3 INSTRUCTIONS FOR REMOTE CONTROL 1 2 3 A Mode display i al I fa TIF F p Temperature setting HB Air flow direction display Fan speed display amp gt S Time setting display pa Turbo display Sleep timer Lock display Signal transmitting display amp 10 Operational display sz HotSpot ACWH18 Th 2 PREPARATION BEFORE OPERATION 2 1 PREPARATION OF THE REMOTE CONTROL Aim the remote towards the Indoor unit Operation of the remote controller There should not be any obstructions between the remote and the indoor unit Avoid direct sun shine and keep away from heat sou
13. rce Keep the remote in a dry and clean place Remove front cover before Attention changing the batteries Please replace only with two new AAA size 1 5 V batteries Remove the batteries if unit is not used for a long period of time Never mix old and new batteries If after changing the batteries the remote do not work please press the reset button HotSpot ACWH18 3 OPERATION SETTINGS 3 1 COOLING HEATING AND DE HUMIDIFYING OPERATION 1 Press ON OFF button the Air Conditioner will turn on 2 Press MODE button to choose cooling heating or de humidifying mode 3 Press up and down button to adjust the temperature between 16 to 30 Press the up or down button once the temperature changes by one degree 4 Press SPEED button the fan speed will be regulated see Air Flow adjustment NOTE Auto fan speed cannot be chosen in de humidify mode 1 Press LOUVER button the louver will be regulated see Air Flow adjustment 2 PressION OFF button again the Air Conditioner will stop operating Attention In the Heating mode if the ambient temperature is very low the following condition may appear The indoor unit stops to avoid blowing cold air There may be cracking noise from the plastic parts The blowing air may not be warm enough The air conditioner will defrost automatically There may be steam coming out of the outdoor unit HotSpot ACWH18 3 2 TIMER OPERATION Press TIMER button ON or OFF displ
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