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Rheem MPi 554 Series, Owner'S Manual And Installation Instructions

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Rheem MPi 554 Series Owner'S Manual And Installation Instructions Download Page 3

 

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CONTENTS 

 
 

HOUSEHOLDER – We recommend you read pages 4 to 18. 

The other pages are intended for the installer but may be of interest.

 

 
 

About Your Water Heater ............................................................................................................ 4

 

Regular Care .............................................................................................................................. 10

 

Water Supplies ........................................................................................................................... 12

 

Save A Service Call ................................................................................................................... 14

 

Installation .................................................................................................................................. 19

 

Heat Pump And Tank Assembly .............................................................................................. 24

 

Connections – Plumbing .......................................................................................................... 34

 

Connections – Electrical ........................................................................................................... 36

 

Commissioning .......................................................................................................................... 38

 

Draining The Water Heater ....................................................................................................... 42

 

Warranty ..................................................................................................................................... 43

 

 
 

Summary of Contents for MPi 554 Series

Page 1: ...water heater must be installed and serviced by a qualified person Please leave this guide with the householder Owner s Guide and Installation Instructions Air Sourced Heat Pump Water Heater MPi 554 Se...

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 public...

Page 3: ...nded for the installer but may be of interest About Your Water Heater 4 Regular Care 10 Water Supplies 12 Save A Service Call 14 Installation 19 Heat Pump And Tank Assembly 24 Connections Plumbing 34...

Page 4: ...tlet grille back to atmosphere and the heated water is circulated back into the storage tank This process continues while heating is required until the water in the storage tank reaches a temperature...

Page 5: ...jury A RheemPlus water heater will not deliver temperatures exceeding 50 C in accordance with AS 3498 The risk of scald injury will be reduced TEMPERATURE ADJUSTMENT The thermostats controlling the he...

Page 6: ...ered with or if the installation is not in accordance with these instructions OPERATING MODE MONITOR An operating mode monitor is located on the front of the heat pump module and houses a green and a...

Page 7: ...in the top of the water heater drops to below 62 C and the thermostat closes circuit reinstating power to the heat pump when the red LED will emit a solid glow for three 3 seconds and then extinguish...

Page 8: ...the power supply is switched on The heat pump will only operate when power is available at the water heater the water in the storage tank requires heating the heat pump compressor is cool and the amb...

Page 9: ...ctorian Customers from the Victorian Plumbing Industry Commission This water heater must be installed by a licensed person as required by the Victorian Building Act 1993 Only a licensed person will gi...

Page 10: ...cted on the water heater Warning Servicing of a water heater must only be carried out by a qualified person Phone Rheem Service or their nearest Accredited Service Agent Note The five year service and...

Page 11: ...intervals not exceeding 5 years or more frequently in areas where there is a high incidence of water deposits refer to Water Supplies on page 12 TEMPERATURE LIMITING VALVE A RheemPlus water heater is...

Page 12: ...tent in the water is less than 2500 mg L and when the correct colour coded anode is used If an incorrect colour coded anode is used in the water heater any resultant faults will not be covered by the...

Page 13: ...ter In a corrosive water supply the water can attack copper parts and cause them to fail Where the saturation index exceeds 0 40 the water is very scaling and the Rheem warranty does not apply to the...

Page 14: ...sage Heat pump fault Has the heat pump developed a fault and the red LED is flashing The heat pump will not operate and the water heater will switch to backup heating mode using the booster heating un...

Page 15: ...e water heater is 50 C or more The green LED will flash if the water temperature in the lower part of the water heater is less than 50 C If at least 45 minutes has elapsed after power is reinstated to...

Page 16: ...r heater and the green LED will commence to flash Close the hot tap when the green LED commences to flash The heat pump will commence to operate when the green LED is flashing and at least 45 minutes...

Page 17: ...e mains water pressure sometimes rises above the designed pressure of the water heater Ask your installing plumber to fit a pressure limiting valve Warning Never replace the relief valve with one of a...

Page 18: ...ter on page 14 Is there a leaking hot water pipe dripping hot water tap etc Even a small leak will waste a surprising quantity of hot water and energy Replace faulty tap washers and have your plumber...

Page 19: ...e inoperable for any reason We recommend you provide advice to the system owner about their needs and building backup redundancy into the hot water supply system The 554 325 model water heater is reco...

Page 20: ...e water heater is made of corrosion resistant material and it may be placed directly in contact with the supporting surface It is not necessary to allow for free air circulation under the base of the...

Page 21: ...be necessary to fit an additional temperature limiting device to meet the requirements of AS NZS 3500 4 and or regulatory and local authorities CIRCULATED HOT WATER FLOW AND RETURN SYSTEM A RheemPlus...

Page 22: ...a maximum length of 13 mm Should pre drilling be required extreme caution must be observed when penetrating the jacket of the water heater Note If the cylinder is damaged as a result of attaching pip...

Page 23: ...age capacity litres 325 410 Rated heat pump power input 800 watts Boost capacity1 8 kW litres 100 Booster heating unit rating 1800 2400 3600 watts 2 4 kW 3 6 kW litres 180 200 Refrigerant type R134a D...

Page 24: ...Good lifting practice should be followed There are two flexible hoses provided inside the heat pump module The flexible hoses are to be withdrawn from the module and fixed to the two water fittings o...

Page 25: ...escription Quantity 080199 Kit Installation Heat Pump Module Integrated 126558 Installation instructions heat pump module integrated 1 052158 Saddle clamp 20 mm Clipsal 261 20 1 080021 Screw phillips...

Page 26: ...ge tank The storage tank must also be positioned such that when the heat pump module is in position there is a clearance of at least 300 mm perpendicular from both the front air inlet louvres and the...

Page 27: ...of the foam tape are to line up with the two vertical slots in the jacket The mid point of the tape lengthways is to line up over the join between the jacket of the storage tank and the jacket bottom...

Page 28: ...pump housing Step 8 apply cover strip to heat pump housing 9 Heat Pump Module Cover Remove the two screws securing the module cover to the heat pump module Remove the module cover from the heat pump...

Page 29: ...is not required Position the hose such that when the heat pump module is moved and secured to the tank it does not kink Step 13 attach flexible hose with blue collar to inlet 14 Hot Hose Connection At...

Page 30: ...the heat pump module against the tank Engage the tab at the bottom of the heat pump module on the wall side of the module into the slot in the tank Align the holes in the side of the heat pump module...

Page 31: ...ND TANK ASSEMBLY 31 20 Fixing Bolts Screw in the three fixing bolts to connect the front side of the heat pump module to the storage tank Step 20 screw in fixing bolts to connect heat pump module to s...

Page 32: ...CABLE PLUG POWER CABLE PLUG Steps 21 and 22 connect power cable and tank sensor cable 23 Positioning of Water Heater Complete final positioning of the water heater Ensure the heat pump module is firm...

Page 33: ...ect wiring refit electrical front cover to terminal block 28 Mains Power Connection Connect the mains power supply wiring to the terminal block and earth connection inside of the electrical cover Secu...

Page 34: ...t nearby They will be pushed into the correct position as the fitting is screwed in PIPE SIZES To achieve true mains pressure operation the cold water line to the water heater should be the same size...

Page 35: ...can discharge into a tundish Subject to local regulatory authority approval the drain lines from the temperature pressure relief valve and expansion control valve from an individual water heater may...

Page 36: ...isolating switch installed at the switchboard A secondary isolating switch may be installed within reach of the water heater The 554 325 model water heater is recommended for connection to a minimum...

Page 37: ...GREEN YELLOW RED BLUE BLACK GREEN YELLOW GREEN YELLOW M F M F M F M F M F 1 3 4 2 1 1 4 3 4 2 1 2 3 3 2 WIRING DIAGRAM HEAT PUMP 554325 554410 WITH ST THERMOSTAT MAIN POWER CONNECTION BRACKET PUMP FA...

Page 38: ...e booster heating unit When the heat pump is operating the system will switch to the booster heating unit if the detected ambient air temperature is outside the operating temperature range of between...

Page 39: ...meter measure the temperature of the water from the tap until the temperature stops increasing If the water temperature is below 50 C the maximum outlet temperature of the water heater can be adjusted...

Page 40: ...over temperature possible circulator fault 2 x red Heating unit off compressor fault condition 3 x red Heating unit on compressor cooling fault condition 4 x red Heating unit on tank thermistor fault...

Page 41: ...s Guide or the red LED is flashing the red LED may emit up to nine flashes in each series of flashes The fault condition which led to the red LED flashing may be cleared after the backup heating cycle...

Page 42: ...page 38 Close all hot water taps Operate the relief valve release lever do not let the lever snap back or you will damage the valve seat Operating the lever will release the pressure in the water heat...

Page 43: ...d site shall be the owner s responsibility 2 5 Where the water heater is installed in a position that does not allow safe or ready access the cost of that access including the cost of additional mater...

Page 44: ...O MAKE A CLAIM UNDER THIS WARRANTY 4 1 To be entitled to make a claim under this warranty you need to a Be the owner of the water heater or have consent of the owner to act on their behalf b Contact R...

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