Table of Contents
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Table of Contents
Related Manuals for Rinnai EHP32
Summary of Contents for Rinnai EHP32
- Page 1 Operation and installation guide Hotflo hot water heat pump Model: EHP32...
- Page 2 Important: This appliance shall be installed in accordance with: Manufacturer’s installation instructions Local regulations and municipal building codes Installation, servicing and repair shall be carried out only by authorised personnel. Installer, please leave this manual with the customer for future reference. Warning Improper installation, adjustment, alteration, service or maintenance can cause property damage, personal injury...
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Page 3: Table Of Contents
Suitability Warning about hot water Safety information How it operates Turning the system off and on General information Troubleshooting guide Specification Dimensions and clearances Heat pump checklist Connecting to a storage tank Attaching the temperature sensor Piping Filling and commissioning Protection against freezing Handover to the customer Draining instructions... -
Page 4: Suitability
Suitability Suitable for: external domestic applications connection to mains pressure hot water cylinders NZ geographical zones 1 and 2 only, refer map below *RADIUS Zone 1 Zone 2 Zone 3 Not suitable as a spa or swimming pool heater. Water quality Not suitable for certain water chemistries. -
Page 5: Warning About Hot Water
Warning about hot water Warning about hot water Water temperatures above 55 °C can cause instant severe burns, such as scalding and may even result in death. Those most at risk; children, disabled, elderly, and the sick. Hot water at 65 °C, a common water temperature in New Zealand, can severely burn a child in less than half a second. -
Page 6: Safety Information
Safety information This appliance is not intended for use by persons (including children) with reduced physical, sensory or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning use of the appliance by WARNING a person responsible for their safety. -
Page 7: How It Operates
How it operates The heat pump operates by transferring the energy from the ambient outside air into the water. Electricity is used to operate the system, but not to heat the water, so less electricity is used. The Rinnai hot water heat pump is made up of two separate components; a heat pump and a water storage tank. -
Page 8: Turning The System Off And On
Turning the system off and on Turning the water heating system off If you plan to be away for only a few nights, we suggest you leave the water heating system switched on. If it is necessary to switch it off, switch off the electric power supply to the heat pump unit. Do not turn the power off to the heat pump unit if snow or frost conditions are expected as components in the system may be damaged by freezing. -
Page 9: General Information
General information Defrosting function The heat pump has an inbuilt defrosting function. This requires power to prevent damage in freezing conditions. DO NOT disconnect the power if there is a likelihood of freezing without draining the unit. Draining and filling Draining and filling of the complete system normally only occurs during installation or servicing and must be carried out by an authorised person. -
Page 10: Troubleshooting Guide
Troubleshooting guide Lack of hot water, or no High electricity bills hot water If you think your electricity bill is too high, check: Is there electricity supply to the heat pump? The electricity tariff on your Check that the heat pump is last bill, has this changed from plugged into the power point and previous bills? -
Page 11: Specification
Specification System specifications Rinnai split heat pump water heater: Model EHP32 Max. pipe length between heat For each pipe Refer page 16 pump & storage tank (installer to supply) EHP32 heat pump unit Rated input 1.9 kW Max. water pressure 850 kPa Max. -
Page 12: Dimensions And Clearances
Dimensions and clearances Heat Pump Unit Minimum Clearances 1500 Bleed Valves 12 | Hotflo hot water heat pump operation & installation 11790-C 03-12... -
Page 13: Heat Pump Checklist
Heat pump checklist F Minimum clearances maintained for correct operation and access. F 500 mm clearance above the unit. F Suitably drained catch pan installed where leakage could cause damage. F Positioned in a location where noise from operation will not disturb occupants or neighbours, particularly overnight. -
Page 14: Connecting To A Storage Tank
Connecting to a storage tank Connecting to a Rinnai Hotflo storage tank The riser and dip tubes in the Hotflo storage tank need to be positioned to suit the installation using the dip tube tool (purchased separately, part number 11143). Insert the tool into the dip or riser tube to be reversed and rotate 180°. -
Page 15: Attaching The Temperature Sensor
Attaching the temperature sensor The temperature sensor lead (supplied) must be run from the heat pump to the storage tank. IMPORTANT Ensuring and maintaining a good 4. Cover all components in temperature probe contact with the element box with the the storage tank will ensure insulation provided, and refit accurate temperature readings. -
Page 16: Piping
Piping Pipes must be insulated with ultraviolet and weather resistant closed cell insulation having a minimum thickness of 13 mm and thermal conductivity of greater than 0.045 W/m.K. Examples; Armacell HT and Armaflex. 1. Attach the supplied water filter to the heat pump water inlet. 2. -
Page 17: Filling And Commissioning
Filling and commissioning 1. Fill the storage tank and heat 6. Remove the top cover from 10. If the heat pump and tank pump until water flows freely the heat pump. are more than 5 m apart and from the outlets in the house. the R5043 adjustable flow Identify the mains restrictor is fitted, adjust... -
Page 18: Protection Against Freezing
Protection against freezing Supplied with this guide are two labels warning against disconnecting the power supply where freezing conditions are likely. These should be fixed adjacent to the heat pump outdoor power point and on the main fuse/switchboard of the house. Handover to the customer After testing is completed, explain to the householder the functions and operation of the heat pump water heater system. -
Page 19: Draining Instructions
Draining instructions Draining the heat pump unit 1. Turn off the power to the heat pump. Hot water outlet Air bleed valve 2. Close the cold water mains supply stop cock. 3. Close the isolation valves Cold water inlet between the cylinder and heat pump. -
Page 20: Limited Warranty
Limited warranty Rinnai warranty summary local regulations, and municipal travel costs shall be the owner’s building codes by persons responsibility. HOTFLO HOT WATER HEAT PUMP authorised by local regulations to do so. Compressor All other Warranty exclusions components The following exclusions may All appliances must be operated cause the warranty to become Parts... - Page 21 Water quality Water quality outside the limits, as set down below, will void this warranty. Water quality tests must be carried out at the customer’s own cost. Rinnai will reimburse any reasonable test costs where water quality is within the limits tabled.
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Page 22: Installer Details
Installer details Company name: Installer name: Address: Phone: Mobile: Signed: Date: 22 | Hotflo hot water heat pump operation & installation 11790-C 03-12... -
Page 23: Proof Of Purchase
Proof of purchase RECORD YOUR DETAILS ATTACH YOUR PROOF OF OF PURCHASE BELOW: PURCHASE HERE: Retailer: Retailer address: Date of purchase: Product details: Please keep these details in a safe place for future reference. Hotflo hot water heat pump operation & installation 11790-C 03-12 | 23... - Page 24 Experience our innovation Rinnai.co.nz 0800 746 624 http://www.youtube.com/rinnainz...