Rinnai Circ-Logic Installation And Operation Manual Download Page 1 | Manualshive

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Rinnai Circ-Logic Installation And Operation Manual Download Page 1

For SENSEI

™

and non

-

SENSEI

™

Tankless Water Heaters

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Summary of Contents for Circ-Logic

Page 1: ...For SENSEI and non SENSEI Tankless Water Heaters...

Page 2: ...ion 6 2 1 Wiring the Pump to the Water Heater 6 2 2 Parameter Settings 7 3 Non SENSEI Installation 8 3 1 Wiring the Pump to the Water Heater 8 4 Operating the Pump 11 4 1 How It Works 11 4 2 Troublesh...

Page 3: ...Grundfos allows the user to enjoy Circ Logic with VC KB and SENSEI series tankless water heaters on a dedicated return line with the use of an external pump For all models Circ Logic operates in eith...

Page 4: ...mp In line 4 amp glass fuse included Union Set Rinnai Circ Logic Manual A licensed professional must install the GTK03U kit The installer should have the following skills Connecting gas lines water li...

Page 5: ...tion of the pump will have the terminal box located to one side of the pump or the other with the conduit entry down Figure 1A The arrows on the side or bottom of the pump housing indicate direction o...

Page 6: ...r supply to the building WARNING 1 Turn off the electrical power supply by unplugging the power cord or by turning off the electricity at the circuit breaker Remove the front panel of the water heater...

Page 7: ...g Setting Description Selection a 04 Recirculation Settings No Recirculation Recirculation Dedicated 05 Recirculation Mode1 Economy Comfort 1 Setting 05 is available only if setting 04 is selected c A...

Page 8: ...power Turn off the gas at the manual gas valve usually located immediately below the water heater Turn off the incoming water supply This can be done by turning off the water supply to the building W...

Page 9: ...or the recirculation pump is bundled with the wire harness from the PC Board the pump wiring is labeled to show where to connect to the tankless water heater The connector from the tankless water heat...

Page 10: ...before servicing WARNING RISK OF ELECTRIC SHOCK All Components Within Dashed Line Inside of Water Heater Connect Ground to Tankless Housing 7 Adjust the dip switch in the water heater by moving the 4...

Page 11: ...and the pump will turn off When the return water temperature reaches approximately 15 F 8 3 C below the temperature setting the water heater and pump will turn off The cycle will start at the approxim...

Page 12: ...Rinnai Circ Logic with Grundfos GTK03 Kit 12 Figure 5 Hot Water Outlets Check Valve Cold Water Supply Gas Supply Condensate Drain Line 3 4 in Return Line Recommended GTK03U Pump Expansion Tank...

Page 13: ...tem to be installed The drawing does not imply compliance with local building code requirements It is the responsibility of the engineer or contractor to ensure that the installation is in accordance...

Page 14: ...that the installation is in accordance with all local building codes Confer with local building officials before installation Cold Water Supply Gas Supply Hot Water Outlets Circulating Unit Non Circul...

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