Rheem Loline 325 Owne'S Manual And Installation Instructions Download Page 34

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CONNECTIONS – ELECTRICAL

WIRING DIAGRAM

PUMP PLUG

COMPRESSOR

PLUG

FAN PLUG

CONTROL BOARD ENCLOSURE

REMOTE LED DISPLAY

Remote LED

Display

BLACK

BROWN

BLUE

BLACK

RED

GREEN/YELLOW

RED

WHITE

RED

GREEN/YELLOW

BLACK

GREEN/YEL

LOW

OWN

BLACK

LIGHT RED

BLU

LIGHT RED

GREEN/YEL

LOW

RED

BLUE

BLACK

GREEN/YELLOW

CONTROL

BOARD

POWER PLUG

FROM TANK

T0 THERMISTOR

PLUG FROM TANK

COMPRESSOR

CAPACITOR

FAN

CAPACITOR

TANK THERMISTOR (T0)

COMPRESSOR THERMISTOR (T2)

EVAPORATOR THERMISTOR (T1)

CABLING

INSIDE

TANK

JACKET

SK6501 A4
REV AD 5/08

T0 - Tank Thermistor

T1 - Evaporator Thermistor

T2 - Compressor Thermistor

COM

NC NO

COMP-A

COMP-N

FAN-N FAN-A

PUMP-N PUMP-A

NEUTRAL

EARTH

THERMOSTAT

HEATER

ELEMENT

COMPRESSOR

PUMP

FAN

Electrical Circuit for Heat Pump – Robertshaw “ST” Thermostat

Summary of Contents for Loline 325

Page 1: ...This water heater must be installed and serviced by an authorised person Please leave this guide with the householder Owners Guide and Installation Instructions Air Sourced 325 Heat Pump Water Heater ...

Page 2: ...equences which may arise as a result of its application Notice to Victorian 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 give you a Compliance Certificate showing that the work complies with all the relevant standards Only a licensed person will have insu...

Page 3: ...tended for the installer but may be of interest About Your Water Heater 4 Regular Care 8 Water Supplies 9 Save A Service Call 12 Installation 15 Heat Pump And Tank Assembly 22 Connections Plumbing 31 Connections Electrical 33 Commissioning 35 Draining The Water Heater 37 Warranty 39 ...

Page 4: ... the evaporator when the air temperature falls below 7 C which will reduce the heat pump efficiency At air temperatures below 3 C to 5 C the water heater deactivates the heat pump operation and switches to the booster heating unit The boost capacity in this mode is 100 litres The water inside the tank will be heated to a temperature of 70 C by the electric booster heating unit if heating is requir...

Page 5: ... not interfere with the water heater This water heater uses 240 V AC electrical power for operation of the control systems and the electrically operated components The removal of the access cover s will expose 240 volt wiring They must only be removed by an authorised or qualified person Do not use aerosols stain removers and household chemicals near the water heater whilst it is working Gases fro...

Page 6: ...t air temperature below 3 C to 5 C or above 45 C to 55 C no green remains off Call for service If the power supply to the water heater is on and the green LED is off or the red LED is flashing this indicates there may be a fault with the water heater The red LED may emit up to six flashes in each series of flashes The fault which leads to the red LED flashing may be cleared when the heating cycle ...

Page 7: ...ting cycle and more hot water is drawn from the water heater The heat pump will wait until the compressor has cooled down and the conditions for start up are favourable in order to protect the compressor from damage This may take up to 90 minutes from the last heating cycle HOW DO I KNOW IF THE WATER HEATER IS INSTALLED CORRECTLY Installation requirements are shown on page 20 The water heater must...

Page 8: ...essure relief valve should be checked for performance or replaced at 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 9 EXPANSION CONTROL VALVE In many areas including South Australia Western Australia and scaling water areas an expansion control valve is fitted to the cold water line to the water heater T...

Page 9: ...l Dissolved Solids Anode colour code 0 40 mg L Green 40 150 mg L Green or Black 150 400 mg L Black 400 600 mg L Black or Blue 600 2500 mg L Blue 2500 mg L Blue no cylinder warranty The changing of anodes must be carried out by a plumber or authorised service person Note Some water analysis reports may state the conductivity of the water rather than the level of total dissolved solids Conductivity ...

Page 10: ... the temperature pressure relief valve and water heater cylinder Where the saturation index exceeds 0 80 warranty does not apply to a standard watts density heating unit or a heat pump heat exchanger A low watts density heating unit must be used Water with an SI greater than 0 80 may be treated with a water softening device to reduce the SI of the water Contact your nearest Rheem Service Departmen...

Page 11: ...0 No warranty applies to a temperature pressure relief valve or a water heater cylinder unless an expansion control valve is fitted No warranty applies to a copper sheathed heating unit open circuit solar collector copper cylinder or tank SATURATION INDEX SI WITHIN WARRANTY SPECIFICATION SATURATION INDEX measured 80 C water temperature corrosive scaling No warranty applies to a standard watts dens...

Page 12: ...st your water usage pattern to take advantage of maximum energy gains Have your plumber install a flow control valve to each shower outlet to reduce water usage Heat pump controller or circulator has failed Has the heat pump controller or circulator failed The heat pump will not operate and the water heater will switch to backup heating mode The boost capacity of the heating unit in backup heating...

Page 13: ...and the water heater will switch to booster heating mode to ensure a supply of hot water In booster heating mode with the thermal cut out for the heat pump compressor activated the booster heating unit will operate if heating of the water is required regardless of the ambient air temperature The boost capacity of the heating unit in booster heating mode is 100 litres and the water will be heated t...

Page 14: ...hieved Should you at any time feel your electricity account is too high we suggest you check the following points Is the water heater operating in booster mode with the red LED flashing If there is a fault with the heat pump system the water heater will default to backup heating mode to ensure a supply of hot water Check to see if the red LED is flashing as this will indicate there may be a fault ...

Page 15: ...ay from bedroom or living room windows as the system controls can generate a level of noise whilst they are operating Consider the location in relation to neighbours bedrooms and living room windows Clearance must be allowed for servicing of the water heater The water heater must be accessible without the use of a ladder or scaffold Make sure the temperature pressure relief valve lever is accessib...

Page 16: ...Pa Without expansion control valve 800 kPa Min mains supply pressure 200 kPa Expansion control valve not supplied with the water heater TANK WATER SUPPLY If the water heater is supplied with water from a tank supply and a minimum water supply pressure of 200 kPa at the water heater cannot be achieved then a pressure pump system must be installed to allow the heat pump circulator to operate and avo...

Page 17: ...e between the hot water inlet and the tempered water outlet of no greater than 10 C Where a temperature limiting device is installed adjacent to the water heater the cold water line to the temperature limiting device can be branched off the cold water line either before or after the isolation valve pressure limiting valve and non return valve to the water heater If an expansion control valve is re...

Page 18: ... temperature limiting device can only be installed on a dead leg branching off the circulated hot water flow and return pipe If circulated tempered water were to be returned back to the water heater depending on the location of the return line connection on the water supply line to the water heater then either water will be supplied to the cold water inlet of the temperature limiting device at a t...

Page 19: ...our code 0 40 mg L Green 40 150 mg L Green or Black 150 400 mg L Black 400 600 mg L Black or Blue 600 2500 mg L Blue 2500 mg L Blue no cylinder warranty If the water supply has a TDS greater than 150 mg L and a green anode has not been changed to an orange or black anode or if the TDS is greater than 600 mg L and the anode has not been changed to a blue anode there is the possibility the anode may...

Page 20: ...INSTALLATION 20 TYPICAL INSTALLATON OUTDOOR LOCATION TYPICAL INSTALLATION HEAT PUMP WATER HEATER 325L ...

Page 21: ...stem number 551 325 Part numbers Model number 2 4 kW 551 325 05 Tank only 2 4 kW T551 325 05 3 6 kW 551 325 07 Tank only 3 6 kW T551 325 07 Heat pump module 180550 Maximum rated power input 3600 watts Storage capacity 325 litres Rated heat pump power input 800 watts Boost capacity 100 litres Booster element rating 2400 or 3600 watts Mass empty total 136 kg Refrigerant type R134a Storage tank 88 kg...

Page 22: ...ODULE The heat pump module is shipped in a box containing two hand holes to facilitate easy handling lifting The heat pump module is to be mounted against the side of the storage tank and must be fully supported by a slab or solid base STORAGE TANK The storage tank is designed to receive the heat pump module There are two water fittings located at the side of the storage tank to which water hoses ...

Page 23: ...he water connections may be on either the left or right hand side parallel to the wall 1631 1317 1018 32 574 HOT OUTLET COLD INLET 114 546 871 863 619 245 100 WALL AIR INLET AIR INLET 638 AIR OUTLET 300 MIN VENTILATION CLEARANCE CONDENSATE DRAIN TPR VALVE AIR INLET AIR OUTLET 3 0 0 M I N 162 HEAT PUMP DIMENSIONS 325L SK6499 A4 REV BD 5 08 300 MIN ELECTRICAL CONNECTION VENTILATION CLEARANCE Step 1 ...

Page 24: ...to Connections Electrical on page 33 Note The power supply to the water heater must not be switched on until the installation is complete the water heater is filled with water and a satisfactory megger reading is obtained Step 4 Connect wiring and secure conduit with saddle clamp 5 Refit the lower front cover 6 Position the heat pump module near its installed position at the storage tank and remov...

Page 25: ...ings Secure the hose to the side of the heat pump module with a saddle clamp Step 7 feed hose through penetration secure hose to the spigot secure hose with saddle clamp 8 Remove the two screws securing the front cover to the heat pump module Remove the front cover from the heat pump module Steps 8 and 10 remove front cover from heat pump module and feed through cables 9 Position the edge of the h...

Page 26: ...Position the hose such that when the heat pump module is moved and secured to the tank it does not kink 13 Attach the flexible braided hose from the top of the circulator and marked OUTLET in red on its connection to the top connection on the storage tank Tighten the swivel nut on the hose using a 24 mm spanner Tape or sealant is not required Position the hose such that when the heat pump module i...

Page 27: ...o remove the tab Step 15 remove the tab on the side of the electrical entry to the heat pump module 16 Retrieve the three 3 brass studs from the kit and screw into the three 3 threaded inserts on the side of the tank closest to the wall These brass studs will assist in aligning the heat pump module for connection to the storage tank Step 16 screw in brass studs into threaded inserts ...

Page 28: ... the three flange nuts onto the brass studs to connect the wall side of the heat pump module to the storage tank Steps 17 and 18 align heat pump module over studs and screw on flange nuts 19 Engage the tab at the bottom of the heat pump module on the front side of the module into the slot in the tank 20 Screw in the three fixing bolts to connect the front side of the heat pump module to the storag...

Page 29: ...The plug is polarised and can only be inserted one way SK6502 AD A4 5 08 CONTROL BOARD HEAT PUMP 325L WITH SENSOR CABLE POWER CABLE TANK SENSOR CABLE PLUG POWER CABLE PLUG Steps 21 and 22 connect power cable and tank sensor cable 23 Complete final positioning of the water heater Ensure the heat pump module is firmly seated on the slab or solid base 24 Connect the cold water supply and the hot wate...

Page 30: ...nts and at the connection points for the flexible braided hoses Refer to To Fill And Turn On The Water Heater on page 35 however the electrical supply should not be turned on at this stage 26 Replace the heat pump module cover and re fit the two screws Step 26 replace heat pump module front cover 27 Turn on the power supply to the water heater ...

Page 31: ...tting is screwed in PIPE SIZES To achieve true mains pressure operation the cold water line to the water heater should be the same size or bigger than the hot water line from the water heater The pipe sizing for hot water supply systems should be carried out by persons competent to do so choosing the most suitable pipe size for each individual application Reference to the technical specifications ...

Page 32: ...e point of final discharge exceeds this length the drain line 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 be interconnected The outlet of a drain line must be in such a position that flow out of the pipe can be easily seen but arranged so discha...

Page 33: ...ctrical work and permanent wiring must be carried out by a qualified person and in accordance with the Wiring Rules AS NZS 3000 and local authority requirements The water heater must be directly connected to a 240 V AC 50 Hz mains power supply The water heater must be on its own circuit with an isolating switch installed at the switchboard A secondary isolating switch may be installed within reach...

Page 34: ...GREEN YELLOW RED BLUE BLACK GREEN YELLOW GREEN YELLOW CONTROL BOARD A E N POWER PLUG FROM TANK T0 THERMISTOR PLUG FROM TANK COMPRESSOR CAPACITOR FAN CAPACITOR TANK THERMISTOR T0 COMPRESSOR THERMISTOR T2 EVAPORATOR THERMISTOR T1 CABLING INSIDE TANK JACKET SK6501 A4 REV AD 5 08 T0 Tank Thermistor T1 Evaporator Thermistor T2 Compressor Thermistor COM NC NO COMP A COMP N FAN N FAN A PUMP N PUMP A NEUT...

Page 35: ...he booster heating unit will operate instead of the heat pump if the ambient air temperature is less than 3 C to 5 C Note The heat pump may not turn on after having just completed a heating cycle and more hot water is drawn from the water heater The heat pump will wait until the compressor has cooled down and the conditions for start up are favourable in order to protect the compressor from damage...

Page 36: ... unit on compressor fault 3 x red Heating unit on compressor cooling fault 4 x red Heating unit on heat pump not operating tank thermistor fault 5 x red Heating unit on heat pump not operating evaporator thermistor fault 6 x red Heating unit on heat pump not operating compressor thermistor fault If the power supply to the water heater is on and the green LED is off or the red LED is flashing this ...

Page 37: ...ief 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 heater Undo the union at the cold water inlet and attach a hose Let the other end of the hose go to a drain Operate the relief valve again This will let air into the water heater and allow the water to drain through the hose ...

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