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Rinnai 

Commercial Heat Pump OIM

SAFETY AND REGULATORY INFORMATION

WARNING

DO NOT

 operate this system before reading the manufacturers instructions.

This appliance must be installed, commissioned and serviced by an authorised person in 
accordance with all applicable local rules and regulations.

Access covers of water heating system components will expose 415V wiring and MUST only be 
removed by an authorised person.

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 a person responsible for 
their safety.

For continued safety of this appliance it must be installed, operated and maintained in accordance 
with the manufacturer’s instructions.

Children should be supervised to ensure they 

DO NOT

 play with the appliance.

The power mains must have a circuit breaker and it must be adequate for unit FLA. If the power 
supply cord is damaged, it 

MUST BE

 replaced by an authorised person in order to avoid a 

hazard. Take care not to touch the power connections or plugs with wet hands.

Care should be taken not to touch the pipe work as it may be HOT!

DO NOT

 place articles on or against this appliance.

DO NOT

 store chemicals or flammable materials near this appliance.

DO NOT

 operate with collectors or covers removed from this appliance.

DO NOT

 activate heat pump unless cylinder is full of water.

NEVER

 use a flammable spray such as hair spray, paint, etc near this unit as this may cause a 

fire.

At the end of the service life of the heat pump water heater and prior to being disposed of, a 

person  qualified  with  refrigerant  handling  must  recover  the  refrigerant  from  the  system.  The 

refrigerant must not be vented to atmosphere. Please call our National Help Line to arrange for 
an inspection.

WARNING

MANDATORY INSPECTION PRIOR TO INSTALLATION

Immediately report any damage or discrepancies to the Supplier of the appliance. This 
appliance was inspected and tested at the time of manufacture and packaging, and released for 
transportation without known damage. Upon receipt, inspect the exterior for evidence of rough 
handling in shipment. Ensure that the appliance is labelled correctly for the gas and electrical 
supply, and/or other services it is intended to be connected to.

For safety and warranty purposes, appliances that may be damaged or incorrect 

MUST NOT

 be 

installed or operated under any circumstances. Installation of damaged or incorrect appliances 
may contravene local government regulations. Rinnai disclaims any liability or responsibility 
whatsoever in relation to the installation or operation of damaged or incorrect appliances.

NOTICE TO VICTORIAN CONSUMERS

This appliance must be installed by a person licensed with the Victorian Building Authority.

Only a licensed person will have insurance protecting their workmanship.

So make sure you use a licensed person to install this appliance and ask for your Compliance Certificate. 

For further information contact the Victorian Building Authority on 1300 815 127

WARNINGS AND IMPORTANT INFORMATION

Summary of Contents for CHP020

Page 1: ...Commercial Air to Water Heat Pump Operation Installation Manual MODELS CHP020 CHP040...

Page 2: ...fter commissioning of the system and alert the end user of the content sections Warnings and Periodic Inspection and Maintenance This appliance must be installed in accordance with Manufacturer s Inst...

Page 3: ...raining 10 Maintenance and Regular Care 10 Save a Service Call 11 Specifications 13 System Specifications 13 Dimensions 14 Clearances 15 Unit Main Components Overview 16 Main Electric Components In Sw...

Page 4: ...n 25 Auxiliary Booster optional 25 Filling the System and Commissioning 25 Finishing the Installation 26 User Terminal 27 Keypad 27 Icons 27 Operation 28 Applica App 28 Alarm Codes Troubleshooting 31...

Page 5: ...ull of water NEVER use a flammable spray such as hair spray paint etc near this unit as this may cause a fire At the end of the service life of the heat pump water heater and prior to being disposed o...

Page 6: ...ks Returning the Rinnai Electric Heat Pump to a vertical position will not allow the oil to properly flow back into the compressor motor Tilting Rinnai Electric Hot Water beyond 45 from vertical will...

Page 7: ...ater before bathing or showering yourself Supervise children whenever they are in the bathroom Make sure that the hot water tap is turned off tightly CONSIDER Installing child proof tap covers or chil...

Page 8: ...p operation to achieve suitable tank temperatures During the occasional times when the ambient weather conditions aren t suitable for the heat pump to operate the heat pump will activate auxiliary boo...

Page 9: ...MUST be arranged without delay The PTR valve is not serviceable EXCESSIVE DISCHARGE FROM SAFETY DEVICES Pressure Temperature Relief PTR Valve It is normal and desirable that this valve allows a small...

Page 10: ...ING ON THE WATER HEATING SYSTEM Switch on the electric supply to the heat pump unit Water heating will now occur as required It may take a number of hours before hot water is available DRAINING Draini...

Page 11: ...es continuously try easing the valve gear for a few seconds as described in the section the section Excessive Discharge from Safety Devices on page 9 This may dislodge any foreign matter and alleviate...

Page 12: ...demand of hot water in use at the same time may cause a decrease in the hot water flow from the taps Check total heating capacity of water heaters meets the highest demand of hot water in the building...

Page 13: ...t Exchanger Type Double Wall Stainless steel Qty 1 2 Throttle Electronic Expansion Valve Defrost Reverse Operating Rated Sound Power dB A 66 6 68 7 IP Grade IPX4 Water Pump Model CM 3 2 CM 10 1 Power...

Page 14: ...809 1590 895 CHP040 Top Discharge 1442 850 2050 1565 928 2100 Side Discharge 1442 850 2050 928 2100 1011 B E C D A Top Discharge Unit F Side Discharge Unit B E G A WATER OUTLET CHP020 R 1 1 4 MBSP CH...

Page 15: ...Model Version A B C D E F CHP020 Top Discharge 850 500 1000 500 1500 Side Discharge 850 500 1000 500 1500 CHP040 Top Discharge 850 650 1000 600 1800 Side Discharge 850 650 1000 600 1800 Top Discharge...

Page 16: ...re Transducer 0 10Bar E Low Pressure Switch F High Pressure Transducer 0 30Bar G High Pressure Switch H Electronic Expansion Valve I Switchboard J Fan K Liquid Receiver L Plate Heat Exchanger M Evapor...

Page 17: ...eaker Field Wiring Breaker Water Pump Breaker Fan Breaker Controller 3 Phase Fail Relay Contactor Compressor Electronic Overload Transformer Terminals Pump Fan Relay Water Pump Terminals Tank Sensor M...

Page 18: ...e without the use of a ladder or scaffold The air inlet and outlet of the heat pump module MUST be away from areas with strong wind and MUST be provided with sufficient clearances as per those shown i...

Page 19: ...reas used primarily for personal hygiene The temperature of water to certain areas is limited to different temperatures according to purpose for e g early childhood centres primary and secondary schoo...

Page 20: ...of the heat pump The location MUST consider noise impact on living areas Avoid positioning near bedrooms or neighbours bedrooms Adequate access MUST be available for servicing of the heat pump Refer t...

Page 21: ...and union MUST be fitted between the supply main and the tank All fittings MUST be approved by the relevant installation Authority An ECV MUST be fitted in Western Australia and South Australia to the...

Page 22: ...iple to ensure the demand on each heat pump or storage tank is the same as any other To achieve this the following is necessary The inlet and outlet manifolds shall be designed to balance the flow to...

Page 23: ...ump OIM TYPICAL INSTALLATIONS Commercial Heat Pump Standard Installation with Re circulation ELEVATION VIEW Commercial Heat Pump Standard Installation with Storage Electric Boost ELEVATION VIEW PLAN V...

Page 24: ...rminal to earth Tests between the active to neutral terminals MUST NOT be performed as this WILL damage the electronic components An insulation test result of above 1 M should be obtained for this wat...

Page 25: ...ded by installer to wire to auxiliary booster control box terminals Refer the electric diagram of control box for wiring between the control box and auxiliary booster The auxiliary booster has been in...

Page 26: ...ll be approximately 65 C The heat pump will run standby mode and the compressor will activate automatically once the tank temperature falls below threshold around 60 C During standby only water pump o...

Page 27: ...rs set point unit ON OFF ALARM Pressed briefly display active alarms and mute buzzer Pressed and held 3 secs reset alarms PRG When scrolling access parameter programming mode In programming mode press...

Page 28: ...DOWN for 3 secs The current set point SEtA is shown Read Only 3 Press DOWN The cooling set point SEtC is shown 4 Press PRG The value flashes press UP DOWN to change the value PRG to confirm 5 Press DO...

Page 29: ...d accept conditions and continue Skip setup Agree to use your phone s Bluetooth Make sure your phone s Bluetooth and Internet is always accessible when using this App Click Bluetooth to find your Heat...

Page 30: ...frigeration pressure by clicking on the icon Click this icon to return to main display Change set point procedure Access the Service menu by clicking the icon at the bottom right Click Commands Change...

Page 31: ...Check if all breakers have switched on in electric enclosure Check high pressure transducer connection Refer to electric diagram located on the back of access door marked as condensing pressure Check...

Page 32: ...ordance with the specifications Operation failure electrical fire Are the stop valves open in hot water loop No hot water Is the tank water becoming warmer when the heat pump is operating No hot water...

Page 33: ...own below When using Modbus RTU protocol you need to set BMS port as following Code Description Default Hd00 BMS serial address You need set different address for each unit 1 Hd01 BMS baud rate 3 9600...

Page 34: ...to the standard display 7 Press the down arrow till Hd00 Press PRG the value flashes press UP DOWN to change the value Press PRG to confirm Hd00 BMS Serial Address 8 Press the down arrow till Hd01 Pre...

Page 35: ...32 REAL C 56 Outlet water temp 32 REAL C 65 Source fan Inverter request 32 REAL 71 Unit status 1 OFF by keyboard 5 OFF by alarm 6 Unit in defrosting 7 Unit ON 16 INT 92 Power request compressor will...

Page 36: ...all may be higher from a mobile phone National calls from public phones in Australia are free For further information visit www rinnai com au or email enquiry rinnai com au Rinnai has a Service and Sp...

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