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Installation and

Maintenance Manual

HPWH

ccHPWH Series

Cold Climate Heat Pump

Water Heaters

for domestic hot water applications

Содержание ccHPWH Series

Страница 1: ...Installation and Maintenance Manual HPWH ccHPWH Series Cold Climate Heat Pump Water Heaters for domestic hot water applications ...

Страница 2: ...ing layout 14 4 1 Pipe size 14 4 2 Water tank selection 14 4 3 Installation requirements 15 4 4 Water quality requirements 15 5 Water system piping for atmospheric open tank 16 6 Winter freeze protection 16 V Unit operation 17 VI Electrical wiring diagram 21 1 Notice 21 2 Wiring diagram 23 VII Control function 25 1 Controller panel 25 2 Interface overview 25 3 Interface introduction 27 3 1 Overvie...

Страница 3: ...eter setting 33 5 1 Parameter level 33 5 2 Parameter setting 34 6 Atmospheric Tank Control 37 7 Control instructions of the lower return pump 37 8 Module control and linkage wiring 38 VIII Trial running and maintenance 41 1 Trial running 41 2 Trouble shooting 42 2 1 Control protection function list 42 2 2 Fault analysis and elimination of electric control panel display 42 2 3 Trouble shooting 43 3...

Страница 4: ... in personal injury or death The CAUTION sign indicates dangers that can cause damages to unit other devices or air pollution The NOTE sign indicates important items to take note of The NOTE indicates items that may affect the operation of the units Apart from factory provided options additional external wires are not allowed to be connected to the power or control wiring cabinets Third party rela...

Страница 5: ...hould meet the requirement below pH value 25 6 5 8 0 Chloridion Cl mg L 50 Electrical conductivity 25 μs cm 250 Silver sulfate SO4 2 mg 50 TFe mg L 0 3 Total alkalinity 50 Total hardness mg L 50 Silicon dioxide SiO2 30 Compressor shipping brackets are mounted to the bottom of the compressors to prevent the vibration isolation mounts from damage during shipment REMOVE the compressor shipping bracke...

Страница 6: ... Power wiring must be protected by a rubber gasket otherwise water could damage electrical components and result in risk of electric shock Detailed explanation of structure ccHPWH series is composed of compressor evaporator hydrophilic finned heat exchanger condenser brazed plate heat exchanger throttling device electronic expansion valve liquid injection enthalpy increase system sheet metal parts...

Страница 7: ...0 3950 1 Coil temp sensor A S W 01 N 10K 5X25 24 ROHS Ф5X25 copper shell 4000mm With blue color TV connector NTC R25 10K 1 B25 50 3950 1 Suction temp sensor A S W 01 N 10K 5X25 25 ROHS Ф5X25 copper shell 4000mm With green color TV connector NTC R25 10K 1 B25 50 3950 1 30 105 Exhaust temp sensor BP A S W 01 N 10K 5X25 21 ROHS Ф 5 x25 copper plating nickel shells black PVC and lines line 4 m with a ...

Страница 8: ...ll heat exchanger that services the domestic hot water circuit Heat trace is not provided with this option because glycol operation is assumed Supply and return piping shall be 316L stainless steel with flanged supply and return connections Clean out ports 1 NPT shall be provided on the supply and return headers to allow for preventive maintenance of the heat exchanger circuits Pipes and heat exch...

Страница 9: ...shing the piping system prior to start up ensure this heat pump is bypassed to prevent pipe debris from entering the heat exchangers Only after the piping has been cleaned should the heat pump be pressure tested ...

Страница 10: ...potable water side should a leak occur In addition it greatly reduces the difficulty of maintenance Each heat exchanger is equipped with water side isolations valves and unions as well as internal electrical disconnects If a single system fails the maintenance can be completed without affecting the operation of refrigeration circuits in the system The electronic expansion valve is installed upstre...

Страница 11: ...8 III Product specification 1 Dimensions Unit inch ccHPWH275 S ccHPWH275 D ...

Страница 12: ...9 ccHPWH550 S ccHPWH550 D ...

Страница 13: ... Water Temperature 131 F Heating Capacity Btu h 175 396 304 500 Input Power kW 17 3 37 8 COP 2 57 2 36 Max Input Power kW 29 8 62 FLA A 140 252 MCA A 154 266 MOCP A 210 322 Sound Level dBA 71 76 Water Data Condenser Type Brazed Plate HXR Single wall Brazed Plate HXR Single wall Water Side Pressure Loss psig 8 1 7 25 Rated Water Flow gpm 73 4 129 6 Piping Position Right Hand Right Hand Piping Sizes...

Страница 14: ...ature 43 F Outlet Water Temperature 131 F Heating Capacity Btu h 170 027 289 275 Input Power kW 20 28 43 2 COP 2 46 2 22 Max Input Power kW 29 8 62 FLA A 140 252 MCA A 154 266 MOCP A 210 322 Sound Level dBA 71 76 Water Data Condenser Type Brazed Plate HXR Double wall Brazed Plate HXR Double wall Water Side Pressure Loss psig 16 51 13 Rated Water Flow gpm 58 9 122 5 Piping Position Rear Right Hand ...

Страница 15: ...d to the unit and the hoisting angle is greater than 60 Add cloth or hard paper between the unit and the wire rope to prevent damage to the unit Hoisting diagram is as follows 2 Installation site selection The unit shall be installed in a location with ample space to allow for sufficient air flow and maintenance of all components If the unit is in a place accessible to unauthorized personnel isola...

Страница 16: ... must be able to bear the operating weight of the equipment and all associated piping accessories maintenance personal and weather related components such as snow water etc The units should be installed level For the operating weight please refer to the table of performance and specification parameters The units must be installed on a level surface with an inclination level not to exceed 2 degrees...

Страница 17: ...e relief device installed on the water tank the water system must be equipped with a pressure relief value PRV The PRV should be piped to a drain and open to atmosphere To ensure proper operation of the PRV it should be checked on a regular basis to ensure it is free of sediment or calcium carbonate deposits The working pressure of the system should be set for a minimum of 30 psig Atmospheric Tank...

Страница 18: ... flushed and free of debris prior to start up Care must be taken during installation to ensure no foreign debris enters the waterside or air side heat exchangers 4 4 Water quality requirements A Water quality considerations If the unit is applied to a closed HVAC loop then scale build up is unlikely and single wall heat exchangers are permissible For units directly heating potable water double wal...

Страница 19: ...urn on and operate the system until the water is at 60 F To protect the hydronic components from freezing during a power outage there are a few options Option 1 Order the unit with factory mounted heat trace and connect the heat trace circuit to the building emergency power supply Option 2 Utilize a glycol loop for the outdoor hydronic components and a secondary double wall heat exchanger between ...

Страница 20: ...p command can be set up After the pre heating time is reached it will automatically start according to the start up command In the pre heating state you can cancel the preheating according to the prompt or wait for the preheating to complete Its purpose is to prevent cold start from damaging the compressor There are two means to turn the unit on off 1 The ON OFF key on the keypad 2 Timer Turn ON O...

Страница 21: ...r of total compressors in the system Tmax temperature difference needed of enabling all compressors 6 by default THSET heating target temperature or hot water target temperature During operation there are 4 temperature conditions for LOADING HOLDING UNLOADING URGENCY STOP THSET Setting temperature of heating mode TULD Temperature differential of unloading TLD Temperature differential of loading LO...

Страница 22: ...ture 43F 6 and lasts 10s As long as one of the above conditions is met the defrosting will end If there are other compressors in the same group that are defrosting and The coil temperature 64 5F 18 There are no other units in the same group that are defrosting and the fin temperature 60F 16 No alarms or faults The interval time for switching to heating after exiting defrost 0 As long as one of the...

Страница 23: ...ature of snow removal function d The idle time of fan Default time of snow removal function Exit snow removal function a Command of turning on b Fan running time Default running time of snow removal function c Ambient temperature sensor is failed d Fan is failed 4 Timer The heat pump unit can set to operate according to a predefined schedule The day time and temperature set point at each interval ...

Страница 24: ...ng is completed the power can be connected only after careful inspection Please read the labels on the electrical cabinet The power supply wire for outdoor installation of the unit shall not be lower gauge than the neoprene armored flexible cord line 57 in IEC 60245 and the wire diameter specification of the power supply wire shall be selected according to the rated maximum current of the nameplat...

Страница 25: ...the electric cabinet Workers must wear anti static gloves during electrical operation Do not insert hand or foreign matter into the outlet of the water heater It is forbidden to refit the unit and change the parameters of the unit without permission ...

Страница 26: ...23 2 Wiring diagram ccHPWH275 S ccHPWH275 D ...

Страница 27: ...24 ccHPWH550 S ccHPWH550 D ...

Страница 28: ...25 VII Control function 1 Controller panel 2 Interface overview Key switching Five keys ON OFF Function Up Down Enter ...

Страница 29: ...bited but operation is available XX seconds later it means there is another screen operating and it needs to wait After XX seconds the interface can be operated Icon Meaning Indicates temperature Indicates page up parameter selection or increasing value Indicates page down parameter selection or decreasing value Indicates whether the unit uses timing function Indicates the icon of functional keys ...

Страница 30: ...ter enter function User parameter 1 User parameter 2 User parameter 3 Return Enter function Prompt for fault inquiry 1 Timing setting 2 State inquiry 3 Clock inquiry Return Enter enter System output Air pump electric heating 1 Run Fault Return Module Stand by Refrigeration Inquiry 3 2 Countdown interface countdown main interface Chinese En 5 Welcome 5S later Stand by Refrigeration 15 30 Note In th...

Страница 31: ...dby Cool 12 20 2 3 Description 1 Indicates the fault code of the selected item and the corresponding information Please refer to the instruction book of control panel for fault code descriptions Press Up or Down key to switch display of fault module or fault number System unit indicated whole system main unit faults No unit indicated module faults No faults number 00 04 circuit number 2 Indicates ...

Страница 32: ...group timing Timing off 21 00 1 2 3 4 5 6 7 Return Switch Description 1 Press Function key to return to menu of previous level 2 Press Function key to changed timing value 3 Indicates the selection of the timing setting 4 Indicates the selection of primary timing 5 Indicates to select 01 group timing Press Up or Down to switch among use of timing primary timing and setting from 01 group to 10 grou...

Страница 33: ... interfaces In the interface the status of all modules of the unit may be inquired The module number is subject to the actual number of modules The last item is the system module and indicates the system status 3 Display the operation status of output equipment corresponding to modules Shadow display indicates what the equipment is outputting at present As shown in the figure above 1 compressor of...

Страница 34: ...7 Version inquiry After entering the Status inquiry interface press Down or Up to select Version inquiry 1 2 2 Status inquiry 3 Clock inquiry 4 Version inquiry Return Enter enter function The version of display screen is X1 DM605A TY F01M_V100A00 Return O r The control version is V2 0 196031 X1 HL056A K05 501 1 V100A00 Return 3 Description 1 Indicates the version and function code corresponding to...

Страница 35: ...er 00 04 circuit number 3 Indicates to return to the menu of previous level by pressing Function key 4 Password operation 4 1 Password input 1 Input the password 0 Shift Enter function Input the password 4 Shift Enter enter Enter parameter setting enter Wrong password Retry Return Retry 2 3 4 5 Description 1 Reminds the users to input password including repair and manufacturer password 2 Press Fun...

Страница 36: ...the new password is input wrong then it prompts wrong input of new password Press retry to input the password again 5 Parameter setting Operation of the section is suitable for setting of all parameters For parameter setting of Repair setting and Manufacturer setting the parameters visible are different only due to password levels but the setting method is the same All settings have a correspondin...

Страница 37: ...ng 00 00 module Use Return Set functio down 4 01 Control mode Refrigeration mode Return Set Error User parameter 1 User parameter 2 System setting parameter Return Enter Error 02 module quantity 1 Return Set Parameter setting of non type B 2 Parameter setting of type B Description 1 Press function key to cancel the changed parameter value and return to the interface of previous level 2 Enter the p...

Страница 38: ... for several seconds Operation parameter of the unit Initialization succeeded Return Or Operation parameter of the unit Initialization failed Return 2 Description 1 Initializes the operation parameter of the unit with the operation character of initialization is prompted 2 Indicates to return to the interface of previous level by pressing the function key 3 When the prompt of initialization failed...

Страница 39: ...10sec It rings 10 seconds every 30 minutes 11 Air load di Load differential F 0 20 5 12 Air unload d Unload differential F 0 10 2 13 DispWaterLine Water level state Disabled Enable Enable Available only for water heater unit can be set displayed or not User parameter setting list 2 1 Unit number 1 16 1 2 00 Unit Disabled Enable Enable 3 01 Unit Disabled Enable Enable 4 02 Unit Disabled Enable Enab...

Страница 40: ...ill water When the hot water tank temperature Hot point sply start D sply stop D no need to refill water When the water is heated the hot water tank temperature Hot point sply start D refill water Fill water until the high water level switch is closed Stop condition any condition When the water level sensor switch fails High water level is closed medium water level is disconnected High water level...

Страница 41: ...r setting table and press the information needed from the following table to set parameters A Setting Range Default Unit Type Reservations Module parameter settings 1 Module quantities 1 16 1 2 N The number of modules the unit can control Total number of units including host and slave the corresponding address SR1 is set to 0 F 0 main module Wiring diagram of module control and dial code table of ...

Страница 42: ...39 Schematic diagram of control wiring and code dialing of each module ...

Страница 43: ... can run When the unit linkage terminal is disconnected the unit will stop When controlling the main module the linkage switch only needs to be connected to the main module not to the slave module Terminal linkage switch signal can only be a passive signal namely on and off signal It cannot access active signal such as voltage signal otherwise it will damage the electric control board The company ...

Страница 44: ... Correct piping wiring Air inlet and outlet free of obstructions Drain valve functioning properly Pressure relief valve functioning normally Pipe insulation complete Level foundation Trial running Only after all wiring and piping work has been completed and checked can the power be connected and the water filled Vent the air in the system prior to start up Check the controller to ensure it is oper...

Страница 45: ...f quenching without special instructions Fault reset instructions 4 reset modes of faults 1 Power on and reset After fault clearance can only be reset after power on again Like EEPROM data fault 2 Limited automatic reset A M After the fault clearance Automatic reset time delays during this time no longer appear the same fault automatic reset Within automatic reset allows set time it can automatica...

Страница 46: ...igerant leakage or insufficient refrigerant filling Remove scale Excessive exhaust pressure Heating Insufficient water flow Check the temperature difference between inlet and outlet water and adjust the water flow There is air in the system or other non condensable gas condenser fin dirty or debris blocked Remove the gas from the nozzle and vacuum the scale again if necessary Water outlet temperat...

Страница 47: ... more than or less than 20V of rated voltage Excessive exhaust pressure or low suction pressure See Excessive exhaust pressure and Low suction pressure Component fault Check the built in temperature sensor when the motor is cooled The compressor stopped because of low pressure protection The front or back filter of the EEV is blocked Replace filter Low pressure switch fault If defective replace it...

Страница 48: ...ion for preventative maintenance To remove surface deposition of calcium oxide or other minerals from the heat exchangers it is recommended to use descaled agents using formic acid citric acid acetic acid and other organic acid cleaning NOTE Any cleaning solvent should comply with FDA G R A S standards Never use cleaning agents containing fluoride chlorate because the galvanized pipe on the water ...

Страница 49: ...rging amount is not reached and cannot be recharged the water can be circulated and the unit can be started for charging If necessary the low voltage control switch can be temporarily short circuited Slowly fill the system with refrigerant and check the suction and exhaust pressure Warning Do not inject oxygen acetylene or other flammable or toxic gases into the refrigeration system during leak de...

Страница 50: ...tem failure Warranty does not cover damage due to improper freeze protection Special attention should be paid to the frost prevention The freeze protection flow controller and anti freeze temperature sensor are critical safety devices and must remain wired in accordance to the wiring diagrams Care must be taken during maintenance to avoid freezing the HXR s when filling or discharging refrigerant ...

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