Table of Contents
Advertisement
Quick Links
Advertisement
Table of Contents
Related Manuals for A.O. Smith CAHP-80
Summary of Contents for A.O. Smith CAHP-80
- Page 1 Heat Pump Water Heater CAHP-80 CAHP-120 User Guide...
- Page 2 About AOS Bath Congratulations on your purchase of an A. O. Smith water heater. AOS Bath is a water heater specialist that focuses on making leading water heater technologies available in Singapore. We represent A. O. Smith, the largest and most technologically advanced water heater manufacturer in the world.
-
Page 3: Table Of Contents
Contents User guide ........... 4 Safety Features……………………….. 6 Specifications ………………………… 7 Key Features …………………………. 9 Installation …………………………….11 Directions for use ……………………..17 Maintenance Instructions ……………. 22 Troubleshooting ……………………… 23 Wiring Diagram ……………………… 24... -
Page 4: User Guide
User guide Please read the instructions carefully before the installation or operation of this heat pump Water Heater. This manual is meant for your future reference. • Only professional installers recommended by AOS Bath will install the AOS heat pump for you. For improper installation of the heater by unauthorized personnel, AOS Bath will not be responsible. - Page 5 Water discharged from the heat pump (including high temperature heating water) shall not be used for drinking. The heat pump system shall be installed in a dry place. Never insert or disconnect from the power source with a wet hand. The heater shall be permanently connected to the electricity supply using a double pole linked switch that has a contact separation of at least 3mm between poles incorporated in the circuit and out of reach from the person using the shower.
-
Page 6: Safety Features
Safety Features Compressor protection System will stop operation of compressor in the event of an overheated compressor Relay operation protection System will shut down to prevent overvoltage, fire and other relay-related issues Electronic expansion valve protection System will stop operation of compressor if the electronic expansion valve is found to have issues High-low voltage protection System will shut down to protect system components due to variation of external voltage beyond safety levels... -
Page 7: Specifications
Depth (mm) width From floor floor (mm) Valve (mm) (mm) (mm) Angle (º) CAHP-80 1700 1440 CAHP-120 1700 1012 1467 Location and allowances • The unit should not be installed in a confined area. • A height allowance of 1200mm above the unit is required for maintenance access •... - Page 8 Model CAHP-80 CAHP-120 HP Rated Power HP rated heating capacity 3680 4.20 Unit maximum power 10000 Unit maximum heating capacity 15000 Maximum operation current 38.7 Refrigerant R134a Electrical heating capacity 6000 Tank capacity Efficiency 79.7 Hot water delivery rate High demand...
-
Page 9: Key Features
Key features Blue Diamond tank Patent US6303183 Blue Diamond tanks provide higher superior corrosion resistance and durability than steel or stainless steel tanks. Blue Diamond elements Patent ZL200510037670.1 Blue Diamond elements are more scale-resistant and have higher heating efficiencies than conventional steel elements. Touch screen control panel Full control of your water heater. - Page 10 Patented Automatic Energy Saver (AES) ZL00112584.2 Memory chip records up to 21 days of your family’s usage habits and send data to the heater for more efficient heating at the lowest cost AOS Bath 3 year full warranty AOS Bath provides the longest on-site water heater warranty in Singapore for A. O.
-
Page 11: Installation
Installation Caution • Please wait for 30 minutes before using the heater for the first time. • The heater should only be connected to a power source after a full installation which ensures secure mounting, piping, wiring and filling of the tank with water. •... - Page 12 Item Description In-charge Isolator (2) 32A, single phase Electrician T&P valve 0.8 MPa Inlet/outlet Ø22 mm Drain pipe Below T&P valve MainCon Drain tube Downward facing Installer Plinth Min. 100mm height MainCon Data cable CAT6, pre-run MainCon Double check valve (2) 22 mm MainCon Stop valve (3)
- Page 13 Water filling • After all the pipes are connected, open the discharge valve of the water heater and then the feed valve. • Fill the water heater with water and exhaust the air till a uniform water stream flows out of the hot water outlet.
- Page 14 Power connection • All power connections should be done by an authorized installer. • Ensure the water heater is reliably grounded at all times. The earth wire must be longer than the current carrying conductors. The maximum power of this water heater is 6000W. A single dedicated power supply circuit is compulsory.
- Page 15 Installing the panel • The panel should be installed in an area free from gas leaks, oil vapor or sulfur. • The panel should be installed in a well ventilated, dry area away from direct sunlight. • Do not connect the panel to a voltage circuit that exceeds 230V.
- Page 16 Panel cable connection Connector to display board Electric control Grounding screw hole...
-
Page 17: Directions For Use
Directions for use Caution Before using the water heater, ensure it is filled with water and that the power plug has been connected properly. Initial power up When the heater is connected to the power source for the first time, the electronic controller will detect the system. - Page 18 Setting the clock Ensure the indicator lights for ‘Timer 1’ and ‘Timer 2’ are off. Hold down the ‘Program’ button for 3 seconds till the time on the screen flashes. Press the “‡” the “ˆ” buttons to set the hour, then press the ‘Program’...
- Page 19 Press the ‘Program’ button again to finalize the start time and to start setting the end time. The end time is set in the same manner as the start time. While setting this timing, the indicator lights for ‘Timer 1’ and ‘Time Off’ should be lit. For example, if the timer is set from 20:30 – 22:00, the setting panels should look like these: Setting the start time for timer 2 Setting the start time for timer 1...
- Page 20 AES is a memory chip that records up to 21 days of your family’s usage habits. It preheats water according to your family’s needs and sends the heater into energy saving mode at required intervals, saving energy by minimizing thermal loss. Instant heat function In situations where there is insufficient hot water in the tank, users may press the ‘Instant’...
- Page 21 Pressure relief valve inspection The pressure relief valve is a safety device installed to protect the tank against excessive pressure build up. The valve relieves pressure when it exceeds 0.8MPa in the form of intermittent water droplets. Users should check the valve regularly by lifting the handle on the valve to discharge any calcium carbonate deposits.
-
Page 22: Maintenance Instructions
Maintenance instructions Declaration Before using the water heater, ensure it is filled with water and that the power plug has been connected properly. Warning Electric shock: before repairing the water heater, be sure to disconnect the water heater from the power source. -
Page 23: Troubleshooting
Troubleshooting Problem Possible causes Corrective action Display is off 1. No power to heater 1. Switch on power to heater No hot water 2. No power at electric socket 2. Check power socket 3. Failure in control circuit or internal 3. -
Page 24: Wiring Diagram
Wiring Diagram Upper (red) L input Lower input (green) Comp (black) L input...