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Application Note: 3048

How to turn the indoor unit fan off when set point

is met

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Summary of Contents for SEZ

Page 1: ...Application Note 3048 How to turn the indoor unit fan off when set point is met ...

Page 2: ...ia a remote controller 2 For only the M series ductless units jumpers or resistors have to be physically cut with cutting pliers 3 Using the Thermostat Interface Below is a list of indoor units that are compatible with each method Remote controllers that can change indoor unit function codes kumo cloud MHK1 Touch MA PAR CT01MAU SB Wired MA PAR 33MAA Simple MA PAC YT53CRAU P Series PKA PCA PLA PEAD...

Page 3: ...terface and the kumo cloud app 1 Tap Settings 2 Tap System Setup 3 Tap Installer Settings 4 Enter 9999 5 Tap Installer Login 6 Tap the name of the Site 7 Tap the name of the Zone 8 Tap Advanced 9 Select Thermal OFF Fan 10 Select the desired Stop function 9 10 ...

Page 4: ...es Next or Back to reach the function setting Figure 2 4 Press the Up and Down arrows to change the mode number of the function setting Figure 3 5 Press Done when finished Setting 125 Thermal OFF Fan Heating 1 Extra Low 2 Stop 3 Selectable Fan Speed Setting 127 Thermal OFF Fan Cooling 1 Selectable Fan Speed 2 Stop 3 Not Supported 1 3 4 2 Figure 1 Figure 2 Figure 3 ...

Page 5: ...ntenance password 9999 and push Select 5 Scroll down and select Settings 6 Select Function setting 7 Leave Ref Address at 0 then scroll down to Unit No and select All 8 Scroll down to Mode 25 heating or 27 cooling 9 Select setting 2 for thermal off in either mode and push Select to save the settings 1 2 3 4 5 6 7 8 9 ...

Page 6: ...t Function Setting 6 Leave Ref Address at 0 then scroll down to Unit No and select All 7 Scroll down to Mode 25 or 27 8 Select setting 2 for thermal off in either mode and push Select to save the settings Toggle between settings by using the side arrows Setting 25 Thermal OFF Fan Heating 1 Extra Low 2 Stop 3 Selectable Fan Speed Setting 27 Thermal OFF Fan Cooling 1 Selectable Fan Speed 2 Stop 3 No...

Page 7: ...il you see AL and then press A 4 Press B until you reach function 25 heating or 27 cooling and then press D 5 Press B or C to change the setting number to 2 for thermal off in either mode 1 Press D and repeat Step 4 if you wish to make changes to both modes at the same time 6 Press A to save the settings 7 Press and hold the B C and D buttons simultaneously to exit the function settings screen 2 1...

Page 8: ...Function Settings lists can be found in the outdoor unit service manuals SUZ KA Service Manual PUZ NHA6 Service Manual ...

Page 9: ...e jumper that determines thermal off in heating is JRTU The diagrams for the location of the jumpers can be found in the Indoor Unit Service manuals The best diagrams are found in the Troubleshooting section under Test point diagram section To remove the jumper simply cut both ends using a pair of small cutting pliers MSZ GL JR01 MSZ GL JRRE The indoor units that require cutting jumpers resistors ...

Page 10: ...rmostat senses the room temp has met the thermostat s set point The Thermostat Interface has two dipswitches SW1 1 SW1 2 that need to be change from default OFF to ON to have a Delayed Off function set to 0 minutes This will cause the system to turn OFF which the indoor unit fan will also turn OFF when the thermostat is satisfied ...

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