Quietside R410A Technical Information download pdf (Page 36)

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*FJM (MH) Model Series Systems Auto Addressing

Step 1

• Rotary switch signifies number of Indoor units connected to Outdoor

• Set the rotary switch to the number of units, either 2, 3 or 4

Step 2

• Auto Addressing

• Indoor units rotary switches do not need to be altered

• Leave all Dip switches on the Outdoor unit to the factory settings

• Turn on the unit, it will start a count to check communications with all Indoor units

• LH display will count 00 to 15

• Once Indoor units are tracked it will scroll 00 as it finds the Indoors

• Unit will now display E199 asking for a pipe check

• MWR-WH00 will display E599

• Press K1 switch once

• This starts the auto addressing mode

• Display will show |-5

• Compressor will start and the unit will open each EEV in turn to check that the correct indoor unit is

connected to the correct EEV

• Unit will display on other LED the results scrolling 00, 01, 02, 03 as it establish communication

Step 3

• Once completed it will display an OK signal, now the unit can be run in test mode, either Cooling or

Heating

• Press K2 Button ONCE for Heating Trial mode : Display will show |-1

• Press K2 Button TWICE to add refrigerant : Display will now show |-2

• Press K2 Button THREE times for Cooling trial mode : Display will now show |-3

• Press K2 Button FOUR times for Pump Down mode : Display will now show |-4

•

* Please note: the Auto Addressing Procedure cannot be used on Slim Duct air handlers, Neo Forte High Wall

indoor units that have been installed with the optional MWR-WH00 wired remote or that are piped in

nonconsecutive order from the top set of valves down on the outdoor unit. These scenarios require the use

of the Manual Addressing procedure.

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Quietside R410A Technical Information Page 36