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Summary of Contents for Rheem RHP-2805 Series
- Page 1 Owner’s Guide Installation Instructions Air Sourced Heat Pump Water Heater RHP-2805 Series This water heater must be installed and serviced by a qualified person. Please leave this guide with the householder.
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Page 2: Table Of Contents
Contents Packing List ..............................2 General Precautions ............................3 Technical Specifications ..........................5 Installation Instruction ............................ 6 Pipe Connection ............................. 9 Wiring Diagram ............................. 13 Operation and Usage ........................... 14 Maintenance ..............................20 Common Faults and Solutions ........................22 Replacement Parts............................24 Warranty Policy ............................. -
Page 3: General Precautions
• • The water heater is intended to be installed by a qualified technician. Rheem shall not be liable for any loss or consequences caused by improper operation and performance faults, like pipe leakage, machine malfunction or any other damages due to the installation of personnel not approved by Rheem or using unauthorized installation materials. - Page 4 water heater to prevent freezing damage. Pressure relief device must be installed. For safety reason, DO NOT change installation position • of the relief device or block its exit. A drain tube must be connected to the relief valve and kept going down.
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Page 5: Technical Specifications
Technical Specifications Model RHP180-2805 RHP280-2805 Power supply 220-240V~ 50Hz Circuit fuse - model number T3.15AL250V Circuit fuse - parameters 3.15A 250V IP rating IP24 Heat pump heating capacity* 2800W Heat pump power input/current* 666W/3A Coefficient of Performance (COP)* Heat pump heating water capacity* 60L/h Refrigerant (charging amount) R134a (0.9 kg) -
Page 6: Installation Instruction
Dimensions Condensate Drain Display Board Elec Quick Mode Hot Water T&P Relief Outlet Valve Cold Water Inlet Power Drain Valve Cable Model A(mm) B(mm) C(mm) D(mm) RHP180-2805 1130 1810 RHP280-2805 1095 1815 Installation Instruction Installation Location Do not install this water heater in a place where freezing may occur. •... - Page 7 removed for repair or replacement if necessary. The electrical junction box and T&P relief valve should be oriented for easy maintenance, and the nameplate should be easy to read. The water heater should be installed on the floor to ensure that it is placed vertically and avoid •...
- Page 8 Installation Precautions Wiring work must be done by a qualified electrician and must meet electrical safety requirements. When the user needs to install and move, please contact the company's after-sales service center for professional help. DO NOT install and move by yourself. Otherwise, the company will not be responsible for any damage and failure caused and warranty of water heater will be invalid.
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Page 9: Pipe Connection
Pipe Connection Pipe Connection Diagram Condensate Drain TPR Valve Hot Water Laundry Bathe Wash Outlet itchen Shutoff Valve TPR Valve drain Drain Non-return Cold Water Valve Valve Inlet Shutoff Valve Refractory Base Floor Drain Connection Instruction Material Requirements Because the water heater and its piping system will bear pressure from tap water, all water-side pipes must be made of temperature-resistant, pressure-resistant, and corrosion-resistant metal or new-type plastic material. - Page 10 Cold/Hot Water Pipe Connection Connection size Rp 3/4" Note: The water heater has a hot water pipe for the outlet connector and a joint bushing on the inlet connector. These devices are installed when the water heater leaves the factory and must not be removed or damaged during installation.
- Page 11 If the hot water outlet of the water heater is too far away from the hot water use point (more than 12 meters), it is recommended that the hot water pipe be insulated with heat insulating materials to reduce the waste of hot water and electricity. Water Supplied by Domestic Tank If cold water to the heat pump water heater is supplied by the domestic tank on the top floor, be noted that cold water connection should meet the following requirements:...
- Page 12 water can flow out freely; and the discharge pipe should be kept open to the atmosphere. Specification of the TPR valve is 3/4″ × 125PSI (850 kPa). • Take out the T&P relief valve, make sure that the probe is not bent. Inspect the operation lever and the flexibility of the handle.
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Page 13: Wiring Diagram
Wiring Diagram • Rated power supply of this water heater is 220-240V~ 50Hz. Wiring diagram is as below: A specific power cable equipped with all-pole disconnecting device with at least 3mm contact • interval shall be provided for water heater. The ground and zero lines of the power supply must be strictly separated, and do not connect the zero lines with the ground line. -
Page 14: Operation And Usage
Warning: please fill the water heater before power it on! Otherwise, any damage caused by dry heating will not be covered by the Rheem warranty. P a g e | 14... - Page 15 Controller Display (built-in on water heater) Button Description • “ON/OFF” button: power “ON” and “OFF” the water heater. • “UP” and “DOWN” button: adjust the set temperature point. • “Mode” button: switch between “ECO” – Energy Conservation (heat pump only), “Elec” - Electric Heating (heating element only)”...
- Page 16 • Setting the Water Temperature In switch-on status, press “UP” or “DOWN” arrow button to adjust water temperature within the range of 35-75°C. The default set point is 65°C. Mode Selection • ECO mode (default mode) Press “Mode” button and select “ECO” mode, the ECO icon will light up. Under this mode, only heat pump to be started for heating purpose when operation conditions are satisfied;...
- Page 17 2℃. If the power must be disconnected, please discharge all the water in the tank in advance and make sure it is empty. Otherwise, Rheem will not be responsible for any water heater failure and property loss caused.
- Page 18 exit the sterilization process at any time, simultaneously press both “UP” and “Mode” button for 5 seconds. The sterilization function will be disabled, and the display will return back to normal status. Hot Water Volume Display • When the heat pump is operating (heating water in progress), the 25 bars will fluctuate back and forth left to right.
- Page 19 Note: If you do not need to use the water heater in winter in cold areas, please empty the water in the tank in case freezing damage. Emptying the Water Heater If the water heater needs to be turned off for maintenance or long-time shutoff in winter or cold area, please empty it by following the instructions below: 1.
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Page 20: Maintenance
Reducing the temperature setting of the water heater can alleviate the scale deposition to the inner surface of the tank cylinder, and so increase the life expectancy of water heater. Water which is easy to scale may be treated with a water softening device to reduce the saturation index of the water. - Page 21 Water Tank Maintenance It is recommended to clean the water tank once a year in places with good water quality, and once every six months in places with poor water quality. Steps are as follows: Cut off power supply of the water heater and drain all the water in the tank. Connect outlet pipe joint of the water heater to tap water and let water flows into the tank;...
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Page 22: Common Faults And Solutions
Common Faults and Solutions Fault Possible reason Solution Connect power supply No power supply Please call Rheem or No display and authorized distributor buttons fail Loose connection between the control Please call Rheem or board and the display board authorized distributor... - Page 23 Fault Possible reason Solution Connect power supply No power supply Please call Rheem or authorized distributor The continuous water use time is too Stop using hot water No hot water or long, and the water consumption is too and wait for heating...
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Page 24: Replacement Parts
Replacement Parts Part description Diagrammatic drawing Data transmission cable Wi-Fi module data cable P a g e | 24... -
Page 25: Warranty Policy
Please call the service line when you need service. Warranty Policy The standard warranty applicable for this Rheem product and the term of the warranty may differ based on the country of purchase. Depending on your country of purchase, the warranty may be provided by a member of the Rheem Manufacturing Company group of companies (hereinafter referred to as “Rheem”) or by Rheem’s authorized partners.
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