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Solahart 325 HAV, Owner'S Manual

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Solahart 325 HAV Owner'S Manual Download Page 26

 

26 

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  and  designed  to  be 
assembled  at  the  installation  site.  The  water  heater  must  not  be  operated  until  both  components  are 
assembled. 
 
The  heat  pump  storage  tank  and  module  must  be  installed  on  a  level  slab  or  solid  base  of  a  minimum 
900 mm  wide  x  650 mm  deep.  The  heat  pump  module  must  be  fully  supported  by  the  level  slab  or  solid 
base. 
 

HEAT PUMP MODULE 

The heat pump module is shipped in a box containing two hand holes to facilitate easy handling  and lifting. 
The heat pump module is to be mounted against the side of the storage tank and must be fully supported by 
the level slab or solid base. 
 

CAUTION:

 The heat pump module weighs approximately 42 kg. Use the hand holes provided in the sides of 

the packaging. 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 The flexible hoses are to be withdrawn 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  on  the  heat  pump  storage  tank  during  the  assembly 
procedure. 
 
There  are  two  connection  points  located  on  the  underside  of  the  control  box  in  the  heat  pump  module  to 
which  the  power  cable  and  tank  sensor  cable  from  the  heat  pump  storage  tank  are  connected  during  the 
assembly procedure. 
 

STORAGE TANK 

The  heat  pump  storage  tank  and  module  must  be  installed  on  a  level  slab  or  solid  base  of  a  minimum 
900 mm wide x 650 mm deep. 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  flexible  hoses  from  the  heat 
pump module are connected during the assembly procedure. 
 
A power cable and a tank sensor cable are provided behind the lower cover of the storage tank. These are to 
be withdrawn from behind the front cover and connected to the control box in the heat pump module during 
the assembly procedure. 
 
 
 

storage tank 

heat pump module 

heat pump water heater 

 

 

 

 

 

+ 

= 

Summary of Contents for 325 HAV

Page 1: ...lled and serviced by a qualified person Please leave this guide with the householder 325 HAV Electric Boosted HEAT PUMP WATER HEATER OWNER S MANUAL AND WARRANTY INSTALLATION INSTRUCTIONS Solahart Industries Pty Ltd ABN 45 064 945 848 ...

Page 2: ...a Pty Ltd TRADE MARKS Registered trademark of Solahart Industries Pty Ltd or Rheem Australia Pty Ltd Trademark of Solahart Industries Pty Ltd or 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: ...ended 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 26 Connections Plumbing 37 Connections Electrical 39 Commissioning 41 Draining The Water Heater 43 Warranty 45 ...

Page 4: ...he storage tank This process continues while heating is required until the water in the storage tank reaches a temperature of 60 C Even on cloudy or cold days heat is drawn from the surrounding air The heat pump will operate when the ambient air temperature is between a minimum of 3 C to 5 C and maximum of 45 C to 55 C The booster heating unit will operate when the ambient air temperature is outsi...

Page 5: ...ot water pipe work to the bathroom and ensuite when this water heater is installed This will keep the water temperature below 50 C at the bathroom and ensuite The risk of scald injury will be reduced and still allow hotter water to the kitchen and laundry TEMPERATURE ADJUSTMENT The thermostats controlling the heat pump and the booster heating unit are factory set and not adjustable WARNING This wa...

Page 6: ...tion 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 red LED The green LED marked SOLAR BOOST indicates the current operating mode of the heat pump water heater and the red LED marked ATTENTION indicates a fault mode The green LED will emit either a constant glow or a series of fl...

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 The green LED will then recommence to glow or flash The green LED will glow standby mode water is hot if the water temperature in the lower part of the water heater is 50 C or more The green LED will...

Page 8: ... 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 ambient air temperature is within the heat pump s operating temperature range of between a minimum of 3 C to 5 C and a maximum of 45 C to 55 C If the ambient temperature is outside of this range the water heater will commence heating with the booste...

Page 9: ...RS 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 insurance protecting their workmanship for 6 years Make s...

Page 10: ... included in the Solahart warranty A charge will be made for this work Only genuine replacement parts should be used on this water heater The major service includes Replace the temperature pressure relief valve Inspect and flush the expansion control valve if fitted If required replace the valve Inspect and if required replace the anode If the anode is not replaced it should be replaced within thr...

Page 11: ...ge when operating the valve s lever If water does not flow freely from the drain line when the lever is lifted then the water heater must be checked Phone your nearest Solahart Dealer to arrange for an inspection The temperature pressure relief valve should be replaced at intervals not exceeding 5 years or more frequently in areas where there is a high incidence of water deposits refer to Water Su...

Page 12: ...S content 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 Solahart warranty In addition the use of an incorrect colour coded anode may shorten the life of the storage tank The correct colour coded anode is as shown in the following table Total Dissolved...

Page 13: ... 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 Solahart warranty does not apply to the water heater Water which is scaling may be treated with a water softening device to reduce the saturation index of the water CHLORIDE AND PH Where the chloride level exceeds 250 mg L the Solahart warr...

Page 14: ...heating mode using the booster heating unit Refer to Heat Pump Is Not Operating on page 15 Temperature pressure relief valve running Is the relief valve discharging too much water Refer to Temperature Pressure Relief Valve Running on page 17 Water heater size Do you have the correct size water heater for your requirements WATER NOT HOT ENOUGH You may find that due to heavy hot water usage the wate...

Page 15: ...ower part of the 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 the heat pump i e 45 minutes after the red LED emitted a solid glow for three 3 seconds and then extinguished heating of the water by the heat pump will recommence 3 x green flashes if...

Page 16: ...art of the water 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 has elapsed after power is reinstated to the heat pump i e 45 minutes after the red LED flashed the fault mode for thirty 30 seconds and then extinguished If the heat pump stops operati...

Page 17: ...may indicate the 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 higher pressure rating Heavy flows of hot water until the water heater is cold then stops until water reheats The water heater must be switched off at the isolating switch or switchboa...

Page 18: ...t Enough Hot Water 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 rectify any leaking pipe work Has there been an increase in hot water usage An increase in hot water usage will result in an increase in heat pump operation Has your water heating tarif...

Page 19: ...n the event that this water heater was to become 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 325 HAV model water heater is recommended for connection to a minimum 16 hour per day power supply A Solahart heat pump water heater consumes less energy than an electric water heater The...

Page 20: ...aced in direct contact with a concrete surface that is less than two months old and not fully cured as this may attack the metal coating of the water heater base A moisture barrier should be used between the two surfaces in this instance The water heater must be installed with a clearance of at least 100 mm from a wall A clearance of at least 300 mm is required perpendicular from both the front ai...

Page 21: ...eratures are not delivered to a bathroom ensuite or other ablution area The temperature limiting device used with a heat pump water heater should have a specified minimum temperature differential between the hot water inlet and the tempered water outlet of no greater than 10 C Refer to the specifications of the temperature limiting device Where a temperature limiting device is installed adjacent t...

Page 22: ...lding a 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...

Page 23: ...e storage tank The black anode is typically fitted as standard refer to Anode on page 12 If an incorrect anode is used there is also the possibility the anode may become overactive and hydrogen gas could accumulate in the top of the water heater during long periods of no use In areas where this is likely to occur the installer should instruct the householder on how to dissipate the gas safely refe...

Page 24: ...INSTALLATION 24 TYPICAL INSTALLATON OUTDOOR LOCATION TYPICAL INSTALLATION HEAT PUMP WATER HEATER 325HAV ...

Page 25: ...del number T325 HAV Maximum rated power input 3600 watts Storage capacity litres 325 Rated heat pump power input 800 watts Boost capacity 1 8 kW litres 100 Booster heating unit rating 1800 2400 3600 watts 2 4 kW 3 6 kW litres 180 Refrigerant type R134a Weight tank empty kg 88 Refrigerant circuit pressure 3000 kPa Weight heat pump kg 42 Weight heat pump module 42 kg Weight system empty kg 130 Weigh...

Page 26: ...ckaging 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 on the heat pump storage tank during the assembly procedure There are two connection points located on the underside of the control box in the heat pump module to which the power cable and tank ...

Page 27: ...allation Heat Pump Module Integrated 126573 Installation instructions heat pump module integrated 1 052158 Saddle clamp 20 mm Clipsal 261 20 1 080021 Screw phillips pan head No 8 x 13 zinc plated black 2 080156 Screw pack of 3 M6 x 12 HD bolts 2 080203 Stud M6 x 25 zinc plate 3 080204 Nut hex whizzlock M6 3 104767 Cover fan shroud 1 080191 Screw hilo 13 16 x 20 pan head combination zinc plated 1 1...

Page 28: ... perpendicular from both the front air inlet louvres and the outlet grille to any wall or obstruction 638 574 300 MIN 300 MIN 32 613 894 281 AIR OUTLET AIR INLET VENTILATION CLEARANCE CONDENSATE DRAIN AIR INLET TPR VALVE 1631 1317 119 162 544 872 1018 ELECTRICAL CONNECTION AIR OUTLET AIR INLET 300 M IN COLD INLET HOT OUTLET VENTILATION CLEARANCE 100 Step 1 position storage tank at least 100 mm fro...

Page 29: ...ly wiring to the terminal block and earth connection inside of the lower front cover Secure the conduit to the side of the storage tank with the saddle clamp and screws provided The saddle clamp must be positioned over the pilot holes otherwise the conduit will interfere with the heat pump module installation Refer to Connections Electrical on page 39 Note The power supply to the water heater must...

Page 30: ...e the hand holes provided in the sides of the packaging Good lifting practice should be followed 9 Protective Film Peel away and completely remove the protective film cover from the heat pump module and its front cover Ensure there are no remnants of the protective film left around or under the module top or hand grips The function of the protective film is to protect the jacket of the heat pump m...

Page 31: ...he 20 mm screw provided Insert the black plug provided into the recess to cover the head of the screw FAN COVER SHROUD SCREW PLUG REMOVE AND DISCARD EXISTING SCREW Step 10 Steps 11 and 13 fit the fan cover shroud to the heat pump module remove front cover from heat pump module and feed through cables 11 Heat Pump Module Cover Remove the two screws securing the front cover to the heat pump module R...

Page 32: ... 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 15 attach flexible hose with blue collar to inlet 16 Hot Hose Connection Attach the flexible braided hose marked with a red collar from the top of the circulator to the fitting in the top connection on the storage tank and marked OUTLET in red Tighten the swivel nut on the ...

Page 33: ... required to remove the tab Step 18 remove the tab on the side of the electrical entry to the heat pump module 19 Studs Retrieve the three 3 studs from the kit and screw into the three 3 threaded inserts on the side of the tank closest to the wall These studs will assist in aligning the heat pump module for connection to the storage tank Step 19 screw in studs into threaded inserts ...

Page 34: ...Nuts Screw the three flange nuts onto the studs to connect the wall side of the heat pump module to the storage tank Steps 20 and 21 align heat pump module over studs and screw on flange nuts 22 Tab Engage the tab at the bottom of the heat pump module on the front side of the module into the slot in the tank 23 Fixing Bolts Screw in the three fixing bolts to connect the front side of the heat pump...

Page 35: ...e Connection Insert the four pin power cable plug to the connector on the underside of the control box 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 24 and 25 connect power cable and tank sensor cable 26 Positioning of Water Heater Complete final positioning of the wa...

Page 36: ...y Turn on the cold water supply and fill the water heater Check the pipe work and the connection points for the flexible braided hoses for leaks Refer to To Fill And Turn On The Water Heater on page 41 however the electrical supply should not be turned on at this stage 29 Heat Pump Module Cover Replace the heat pump module cover and re fit the two screws Step 29 replace heat pump module front cove...

Page 37: ...heat 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 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 eac...

Page 38: ...e 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 discharge will not cause injury damage or nuisance The termination...

Page 39: ...nnected 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 of the water heater The 325 HAV model water heater is recommended for connection to a minimum 16 hour per day power supply A flexible 20 mm conduit is required for the electrical cable to the wate...

Page 40: ...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 41: ...witch to the booster heating unit if the detected ambient air temperature is outside the operating temperature range of between a minimum of 3 C to 5 C and a maximum of 45 C to 55 C The system will not switch back to heat pump operation from the booster heating unit if the detected ambient air temperature has moved back within the heat pump s operating temperature range The heating cycle will be c...

Page 42: ...sor 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 condition 5 x red Heating unit on evaporator thermistor fault condition 6 x red Heating unit on compressor thermistor fault condition 9 x red Heating unit on compressor fault condition Notes Power...

Page 43: ...t code for thirty 30 seconds and then extinguish If the red LED then recommences to flash or recommences to flash after the heat pump next operates a service call may be required Before phoning to arrange a service inspection due to the red LED flashing refer to Heat Pump Is Not Operating on page 15 in the Save A Service Call section of this Owner s Guide DRAINING THE WATER HEATER Warning Exercise...

Page 44: ...44 This page is intentionally blank ...

Page 45: ... 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 materials handling and or safety equipment shall be the owner s responsibility In other words the cost of dismantling or removing cupboards doors or walls and the cost of any special equipment to bring the water heater to floor or ground level or to a servi...

Page 46: ...ll 1300 769 475 for details 4 ENTITLEMENT TO 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 Solahart without undue delay after detection of the defect and in any event within the applicable warranty period 4 2 You are not entitled to make a claim und...

Page 47: ... Installation please circle New Solar to Solar Tank Replacement Other Work Delivery Details System Model No System Type Tank Model No Tank Serial No Collector Model No No of Collectors Collector Serial No s 1 2 3 4 Booster Type please circle Electric continuous Off Peak 1 night Off Peak 2 night day In Tank Gas Booster In Line Booster Solar Preheat only Booster Control please circle None Timer Manu...

Page 48: ...mail solahart solahart com au Web www solahart com Postal Address PO Box 95 Welshpool WA 6986 Australia International Offices Registered Office 1 Alan Street PO Box 6 Rydalmere New South Wales 2116 Australia www solahart com au Europe Phone International 31 492 579 696 Facsimile International 31 492 579 694 USA Australia Phone International 1 334 260 1586 For SERVICE Telephone 1800 638 011 or your...

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