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Operation Instructions 

 
 

NOTICE: 

Please make sure the water has been fully filled into the tank and power cord is well connected. 

Then make sure the water heater stand still for at least 30 minutes before powering up. 

 

Electronic Controller Operation 
1. Initial Power On 

For the first-ever power connection.electronic
 

 

controller will run self-inspection program. All 
indicators on the screen will light up and last for a 
few minutes and then power-off. ( Figure 7) 

Note 

If the water heater is powered off (power outage or 

power supply disconnected), when the water heater is 

recycled, the temperature, timer, AES, operating 

mode settings will return to the states before power 

off. 

2. Power    On/Off   

Press Power   

   ON/OFF button, the heater will 

be power-on. Setting temp and actual temp will be 

displayed a few seconds later. ( Figure 8) 

When heater is power on, pressing Power ON/OFF 

button turn the heater into power-off status.   

Default settings: Temperature at 65

, Clock at 

12:00. 

 

 
 
 
 
 
 
 
 
 
 
 

 
 
 

Figure 7

 

 
 
 
 
 
 
 
 
 
 

 
 

Figure 8 

3. Temperature setting 

With the power on, press “

” or “

” to increase or decrease the set temperature by 1

. Press and hold 

the buttons to change the set temperature continuously and release to stop changing. The temperature range 

is 35

-75

4.Timing 

Prior to timing, clock should be set to the standard time. With the power on, Press “         ” button to display 
the clock, and then press it repeatedly to display “TIMER 1”, “TIMER 2” “TIMER 1+TIMER 2” in a 
sequence.

   

 
 
 
 
 
 

 
 
 
 

Power Switch

Increase 

 

Hot Water Amount Display

 

Decrease 

AES  Function 

Heating Indicator

 

EFFICIENCY

1

2

SETTING

PROGRAM

INSTANT

MODE

PUMP

HYBRID TURBO

P U M P

SETTING

PROGRAM

INSTANT

MODE

PUMP

PROGRA

Summary of Contents for HPI-40C1.0AE

Page 1: ...Heat Pump Water Heater HPI 40 50C1 0AT User Guide HPI 40 50C1 0AE ...

Page 2: ...has gained respect and support of homeowners contractors architects and specifying engineers in over 60 countries by providing innova tive energy saving products designed for years of trouble free service A O Smith Water Products Company now the largest water heater manufacturer in the world continues the tradition of innovation and becomes a global leader in water product industry ...

Page 3: ...4 Energy saving Heating 4 MAX 4 AES adaptive energy saving system 4 Circulating pump 4 Power off memory 4 Intelligent defrosting 4 Intelligent dormancy 4 Wired remote controller 4 Glass lined special protective tank 4 Anode rod protection 4 High Efficiency Energy saving Insulation 4 Installation Instructions 5 Tank installation 5 Pipe connection 5 Condensate Water Pipe Connection 6 Control box con...

Page 4: ...at once stop the operation contact local authorized dealer and carry out inspection or repair by our company recommended professional installers z In case of any component soaked by water the water heater is not permitted to use until checked by authorized service staff z Main components of the storage electrical heater are protected by insulation material to ensure safety use Any damaged power co...

Page 5: ...Table 2 Specifications Model Rated volume L Voltage V Frequency Hz Rated input power W Rated current A Setting temperature range C Noise level dB A Rated pressure MPa Maximum power of quick heating W Maximum current of quick heating A Net weight kg 150 89 150 220 50 3000 13 6 35 75 50 1 03 3000 13 6 98 Water outlet Condensate outlet Relief valve Water inlet Base wad 20 mm in height Drain valve HPI...

Page 6: ...ant High water temperature protection The system will shut down all loads to ensure safety in case any of the multiple sensors inside the water heater reaches 90 C High Temperature Limit Protection Switch A high temperature limit protection thermal cutout is equipped on the heat pump water heater The switch cuts off the phase and neutral line instantaneously and simultaneously to guarantee safety ...

Page 7: ...tion can solve the problems effectively such as freezing of exchanger frost remaining etc and ensure the system to be operated efficiently and stably Intelligent dormancy If no operation is performed within 3 minutes the water heater enters into a dormant state The unit will enter sleep state with no operation within three minutes Wired remote controller The controller and the unit are to be insta...

Page 8: ... touch the floor directly and there should be a raised bottom at around 20mm under the tank Please make sure the tank is loaded steadily z The tank of the water heater shall be installed near to the power socket sewer mouth and the area where water is needed Figure 4 z Because high temperature water may drain from the temperature and pressure relief valve on the tank during the usage of the water ...

Page 9: ... lid of control box with tightened screw Finally fix the whole control box on the 86 box which is preinstalled on the wall Power Connection z All the wires must come with water heater and be installed or replaced by authorized dealer instead of being installed by user s own z It must be reliable grounded as showed in Figure 6 to avoid electric shocking Make the ground wire connect the longer wire ...

Page 10: ...F button the heater will be power on Setting temp and actual temp will be displayed a few seconds later Figure 8 When heater is power on pressing Power ON OFF button turn the heater into power off status Default settings Temperature at 65 Clock at 12 00 Figure 7 Figure 8 3 Temperature setting With the power on press or to increase or decrease the set temperature by 1 Press and hold the buttons to ...

Page 11: ...ress the key once to display the time Figure 9 for 16 seconds and then to return to original state Timer Setting With the indicator TIMER 1 lighted up long press and hold button to enter TIMER1 starting time setting state TIMER 1 ON hour and minute digits will flash at the same time Press or to increase or decrease the hour by 1 and the minute by 30 If the key or is hold the set digit will change ...

Page 12: ...OGRAM INSTANT MODE PUMP SETTING PROGRAM INSTANT MODE PUMP Neither TIMER 1 nor TIMER 2 could work simultaneously with AES that means once TIMER 1 or TIMER 2 turns on AES will turn off automatically Press to turn on Instant heating with flashes for three times both electric heater and pump heater are operating at same time Figure 12 13 the circulating pump is operating single time at same time the e...

Page 13: ...STANT simultaneously for 8 seconds will turn off the heater after 2 seconds display off all characters on screen and reset setting temp clock timer to default status and remove AES memory and faulty code 8 Heating mode Press the key to switch the heating mode between EFFIENCY and HYBIRD TURBO with the lighted up indicator In Efficiency mode the heater is heating highly efficiently In Hybrid Turbo ...

Page 14: ...alve open drain valve rotate the handle on the temperature and pressure relive valve then drain water through discharge pipe z Clean the tank regularly 1 Cut off the power and empty the tank 2 Connect the water outlet pipe with tap water and fill water through this end Open the drain valve to connect with floor drain and discharge water through this end 3 Open water inlet valve to get maximum tap ...

Page 15: ...zed dealer Display E6 Red wiring with eight core terminal short circuit or open circuit Contact local authorized dealer Display E8 Abnormal anode bar wiring Contact local authorized dealer Display H6 Green wiring with eight core terminal short circuit or open circuit Contact local authorized dealer Display H7 Blue wiring with eight core terminal short circuit or open circuit Contact local authoriz...

Page 16: ...13 Wiring diagram Figure 16 Electrical wiring diagram 1 3 1 ...

Page 17: ... water discharge through temperature and pressure safty valve as it may have risk to cause scald z For indoor installation it is normal that the air outlet grill may have a little condensate water if the indoor environment temperature and humidity is at a higher level z The display panel needs to be installed indoors and waterproof measures must be taken if installed outdoors Packing list ITEM DES...

Page 18: ...A O SMITH WATER HEATER CO LTD A O Smith reserves the right to make product changes or improvements at any time without notice 500444 022 Rev 00 ...

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