Rheem MPs Series Owner's Manual And Installation Instructions
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Rheem MPs Series Owner's Manual And Installation Instructions

Rheem MPs Series Owner's Manual And Installation Instructions

Air sourced split heat pump water heater
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Download this manual See also: Instruction and Installation Manual
Owner's Guide
and

Installation Instructions

Air Sourced Split Heat Pump
Water Heater
MPs 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 1: Installation Instructions

    Owner’s Guide Installation Instructions Air Sourced Split Heat Pump Water Heater MPs Series This water heater must be installed and serviced by a qualified person. Please leave this guide with the householder.
  • Page 2 Rheem Australia Pty Ltd. TRADE MARKS ® Registered trademark of Rheem Australia Pty Ltd. ™ Trademark of Rheem Australia Pty Ltd. Note: Every care has been taken to ensure accuracy in preparation of this publication. No liability can be accepted for any consequences, which may arise as a result of its application.

  • Page 3: Table Of Contents

    CONTENTS HOUSEHOLDER – We recommend you read pages 4 to 19. The other pages are intended for the installer but may be of interest. About Your Water Heater ......................4 Regular Care ..........................11 Water Supplies........................... 13 Save A Service Call ........................15 Installation ..........................

  • Page 4: About Your Water Heater

    This water heater is recommended for connection to a 24 hour per day power supply. A Rheem heat pump water heater consumes less energy than an electric water heater. The impact on an electricity account will depend on the tariff arrangement of the water heater replaced and where you live.
  • Page 5 ABOUT YOUR WATER HEATER FREEZE PROTECTION The water heater has a freeze protection system. The freeze protection system will protect the water heater from damage, by preventing ice forming in the waterways of the water heater, in the event of freezing conditions occurring.
  • Page 6 If the electrical supply conduit to the water heater is damaged, it must be replaced by a qualified person in order to avoid a hazard. Phone Rheem Service or their nearest Accredited Service Agent to arrange for an inspection.
  • Page 7 ABOUT YOUR WATER HEATER OPERATING MODE MONITOR An operating mode monitor is located on the front of the heat pump module and houses a green and a red LED. The green LED, marked “NORMAL”, indicates the current operating mode of the heat pump water heater and the red LED, marked “ATTENTION”, indicates a fault mode.
  • Page 8 ABOUT YOUR WATER HEATER Possible fault condition There may be a fault condition with the water heater if either: there is power available at the water heater and the green LED is off  Before phoning to arrange a service inspection due to the green LED being off, refer to “Heat Pump Is Not Operating”...
  • Page 9 ABOUT YOUR WATER HEATER TO TURN ON THE WATER HEATER Open the cold water isolation valve fully on the cold water line to the water heater. Switch on the electrical supply at the isolating switch to the water heater. Note: When power is turned on or reconnected to the water heater, the red LED will emit a solid glow for three (3) seconds and then extinguish.
  • Page 10 At the end of the service life of the heat pump water heater and prior to the water heater being disposed of, a person qualified to work with refrigerants must recover the refrigerant from within the sealed system. The refrigerant must not be vented to atmosphere. Phone Rheem Service or their nearest Accredited Service Agent to arrange for an inspection.

  • Page 11: Regular Care

    Phone Rheem Service or their nearest Accredited Service Agent. Note: The five year service and routine replacement of any components, such as the anode and relief valve(s), are not included in the Rheem warranty. A charge will be made for this work. The major service includes: Replace the temperature pressure relief valve.
  • Page 12 If water does not flow freely from the drain line when the lever is heater lifted, then the water heater must be checked. Phone Rheem Service or their nearest Accredited Service Agent to arrange for an inspection. lift until water...

  • Page 13: Water Supplies

    Rheem warranty to apply. ANODE The vitreous enamel lined cylinder of the water heater is only covered by the Rheem warranty when the total dissolved solids (TDS) content in the water is less than 2500 mg/L and when the correct colour coded anode is used.
  • Page 14 Where the pH is less than 6.0 the Rheem warranty does not apply to the water heater. pH is a measure of whether the water is alkaline or acid. In an acidic water supply, the water can attack stainless steel parts and cause them to fail.

  • Page 15: Save A Service Call

    SAVE A SERVICE CALL Check the items below before making a service call. You will be charged for attending to any condition or fault that is not related to manufacture or failure of a part. NOT ENOUGH HOT WATER (OR NO HOT WATER) Is the electricity switched on? Inspect the isolating switch marked “HOT WATER”...
  • Page 16 If a series of two (2) flashes occurs, the heat pump will not switch to backup heating mode. Phone Rheem Service or their nearest Accredited Service Agent to arrange for an inspection. If a single flash or a series of three (3) to nine (9) flashes occurs, the water heater will switch to backup heating mode to ensure a supply of hot water.
  • Page 17 If the heat pump stops operating and the red LED recommences to flash, the fault condition which led to the red LED flashing may not have cleared and there may be a problem with the heat pump. Count the number of red flashes and phone Rheem Service or their nearest Accredited Service Agent to arrange for an inspection.
  • Page 18 “Heat pump fault condition” on page 16. If the green LED is off and one of these conditions is not the cause, phone Rheem Service or their nearest Accredited Service Agent to arrange for an inspection. TEMPERATURE PRESSURE RELIEF VALVE RUNNING...
  • Page 19 Prolonged periods of use when the ambient air temperature is outside of the heat pumps operating range will increase the amount of boosting and increase running costs. IF YOU HAVE CHECKED ALL THE FOREGOING AND STILL BELIEVE YOU NEED ASSISTANCE, PHONE RHEEM SERVICE OR THEIR NEAREST ACCREDITED SERVICE AGENT.

  • Page 20: Installation

    This water heater is recommended for connection to a 24 hour per day power supply. A Rheem heat pump water heater consumes less energy than an electric water heater. The impact on an electricity account will depend on the tariff arrangement of the water heater replaced and the installation location.
  • Page 21 INSTALLATION WATER HEATER LOCATION The storage tank is suitable for either outdoor or indoor installation. Whether located outdoor or indoor, the heat pump storage tank should be installed close to the most frequently used outlet and its position chosen with safety and service in mind. The heat pump module is suitable for outdoor installation only.
  • Page 22 INSTALLATION SAFE TRAY Where damage to property can occur in the event of the water heater leaking, the water heater must be installed in a safe tray. Construction, installation and draining of a safe tray must comply with AS/NZS 3500.4 and all local codes and regulatory authority requirements.
  • Page 23 INSTALLATION HOT WATER DELIVERY This water heater can deliver water at temperatures which can cause scalding. It is necessary and we recommend that a temperature limiting device be fitted between the water heater and the hot water outlets in any ablution area such as a bathroom or ensuite, to reduce the risk of scalding. The installing plumber may have a legal obligation to ensure the installation of this water heater meets the delivery water temperature requirements of AS/NZS 3500.4 so that scalding water temperatures are not delivered to a bathroom, ensuite or other ablution area.
  • Page 24 INSTALLATION CIRCULATED HOT WATER FLOW AND RETURN SYSTEM A 561 series heat pump water heater should not be installed as part of a circulated hot water flow and return system in a building. If a circulated flow and return system is required, it is necessary to bypass the heat pump water heater and install a secondary water heater connected to the hot water flow and return line and supplied from the heat pump water heater.

  • Page 25: Typical Installation

    ANODE TYPES The vitreous enamel lined cylinder of the water heater is only covered by the Rheem warranty when the total dissolved solids (TDS) content in the water is less than 2500 mg/L and when the correct colour coded anode is used.
  • Page 26 INSTALLATION DIMENSIONS AND TECHNICAL DATA HEAT PUMP DIMENSIONS - REMOTE heat pump tank – 325 litre heat pump module 325 LITRE STORAGE TANK System number Heat pump module 561 325 180536 Tank model number T561 325 Maximum rated power input 3600 watts Storage capacity litres...

  • Page 27: Heat Pump And Tank Assembly

    HEAT PUMP AND TANK ASSEMBLY STORAGE TANK AND HEAT PUMP MODULE The heat pump water heater is made of two main components, the storage tank and the heat pump module. For transport and handling (weight) purposes both items are shipped separately. The water heater must not be operated until both components are installed, connected and purged of air.
  • Page 28 HEAT PUMP AND TANK ASSEMBLY KITS There is a kit supplied with the heat pump storage tank (PN 290124) and a kit supplied with the heat pump module (PN 290123). The components supplied in the kits are: Part No Kit Components and Description Quantity 290124 Kit Installation Heat Pump Tank...
  • Page 29 HEAT PUMP AND TANK ASSEMBLY ASSEMBLY AND INSTALLATION PROCEDURE Warning: The heat pump must be assembled, plumbed, filled with water and purged of air prior to the power being switched on. The following procedure is to be followed to install the heat pump module in position and connect to the heat pump storage tank.
  • Page 30 HEAT PUMP AND TANK ASSEMBLY Heat Pump Module Location: Select the location for the heat pump module. The heat pump module must be positioned such that there is a clearance of at least 300 mm perpendicular from the air inlet louvres and the outlet grilles. The heat pump module must be installed against a wall and on a level slab or solid base with a minimum size of 600 mm wide x 600 mm deep.
  • Page 31 HEAT PUMP AND TANK ASSEMBLY Hose Bracket Assembly: Retrieve the hose mount angle and hose clamp brackets from the kit bag. The hose mount angle bracket, when secured to the heat pump module, is to be angled away from the wall, with the „hot‟...
  • Page 32 HEAT PUMP AND TANK ASSEMBLY Rear Access Panel: Retrieve the heat pump module‟s rear access panel. Loosely position the two flexible braided hoses attached to the hose bracket assembly in the two  tab cut outs. The „hot‟ flexible braided hose, marked with a red collar, should be in the top tab cut out. Position the rear access panel over the opening in the rear of the heat pump module, with the panel ...
  • Page 33 HEAT PUMP AND TANK ASSEMBLY Template: Retrieve the heat pump module‟s carton liner piece, marked “(DO NOT REMOVE)”, from the original packaging. Position the heat pump module template, in an L shape, against the wall and slab or solid base. ...
  • Page 34 HEAT PUMP AND TANK ASSEMBLY Position Heat Pump Module: Position the heat pump module hard against the wall and slightly to the right of its final location. Slide the heat pump module to the left, so the slots in the feet of the heat pump module fit around ...
  • Page 35 HEAT PUMP AND TANK ASSEMBLY Hex Nipple: Fit the ¾” x ½” hex nipple provided to the heat pump cold return connection, marked “TO HEAT PUMP” on the heat pump storage tank. Heat Pump Circuit: Install the heat pump circuit flow and return pipes between the heat pump module and the heat pump storage tank.
  • Page 36 HEAT PUMP AND TANK ASSEMBLY Lower Front Cover: Remove the two screws securing the lower front cover to the storage tank. Remove the lower front cover from the heat pump storage tank.  Identify the three plugs to connect the three sockets from the heat pump module cable set. ...
  • Page 37 HEAT PUMP AND TANK ASSEMBLY Cable Set Conduit: Fix the conduit of the cable set to the wall using saddles, ensuring there is no loose play in the conduit between the heat pump storage tank and the heat pump module. Alternatively, the conduit may be positioned against either of the insulated heat pump circuit flow and return pipes and secured with the cable ties provided.
  • Page 38 HEAT PUMP AND TANK ASSEMBLY Water Connections: Connect the cold water supply and the hot water pipe work to the storage tank. Connect the temperature pressure relief valve and its drain line.  Refer to “Connections – Plumbing” on page 39. Water Supply: Turn on the cold water supply and fill the water heater.

  • Page 39: Connections - Plumbing

    CONNECTIONS – PLUMBING All plumbing work must be carried out by a qualified person and in accordance with the Standard AS/NZS 3500.4 and all local codes and regulatory authority requirements. In New Zealand, the installation must conform with Clause G12 of the New Zealand Building Code. CONNECTION SIZES Hot water connection: RP¾/20.
  • Page 40 CONNECTIONS – PLUMBING TEMPERATURE PRESSURE RELIEF VALVE The temperature pressure relief valve is shipped behind the lower front cover of the water heater. The temperature pressure relief valve must be fitted before the water heater is operated. Before fitting the relief valve, make sure the probe has not been bent.
  • Page 41 CONNECTIONS – PLUMBING CONDENSATE DRAIN A drain line must be fitted to the heat pump module‟s condensate drain to carry the discharge clear of the heat pump module. The drain line can be extended using 12 mm rigid poly hose or conduit. The pipe work from the condensate drain should be as short as possible, and fall all the way from the water heater with no restrictions.

  • Page 42: Connections - Electrical

    CONNECTIONS – ELECTRICAL The power supply to the water heater must not be switched on until the water heater is filled with water and a satisfactory megger reading is obtained. MEGGER READING When a megger test is conducted on this water heater, then the following should be noted. Warning: This water heater contains electronic equipment and 500 V insulation tests must only be conducted between active and earth and between neutral and earth.
  • Page 43 CONNECTIONS – ELECTRICAL Notes: This water heater is recommended for connection to a 24 hour per day power supply. If there is a risk of freezing conditions, the electrical supply to the water heater should not be switched off, otherwise damage could result (refer to “Freeze Protection”...

  • Page 44: Commissioning

    COMMISSIONING TO FILL AND TURN ON THE WATER HEATER The power supply to the water heater must not be switched on until the water heater is filled with water, air has been purged from the system and a satisfactory megger reading is obtained. Open all of the hot water taps in the house (don‟t forget the shower).
  • Page 45 Note: The freeze protection system will be rendered inoperable if electrical power is not available at the water heater. Damage caused by freezing due to the unavailability of power at the water heater is not covered by the Rheem warranty (refer to “Terms of the Rheem Warranty”...

  • Page 46: Draining The Water Heater

    COMMISSIONING Notes: Power must be available at the water heater and to the heat pump for the LEDs to glow or flash. There is no 8 x red flash fault mode code. When power is turned on or reconnected to the water heater, the red LED will emit a solid glow for three (3) seconds and then extinguish.
  • Page 47 2.8 If you require a call out and we find that the fault is not covered by the Rheem warranty, you are responsible for our standard call out charge. If you wish to have the relevant component repaired or replaced by Rheem, that service will be at your cost.

  • Page 48: Warranty

    3. WHAT IS COVERED BY THE RHEEM WARRANTY FOR THE WATER HEATERS DETAILED IN THIS DOCUMENT 3.1 Rheem will repair or replace a faulty component of your water heater if it fails to operate in accordance with its specifications as...

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