Friedrich MR12C1H, MW12C1H manual Fan Control, Tap Control in indoor/outdoor unit silent operation

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Function and Control

Frequency

ON

Compressor

OFF

ON

Four way valve

OFF

ON

Fan

OFF

Electronic expansion valve opening

0Hz

60sec.

50sec.

 

600sec.

5sec.

 

 

 

 

 

 

 

450pps

350pps

 

 

 

 

 

 

 

 

 

PI control

50sec.

5sec.

450pps

Initial opening

6.12 Fan Control

Outline

Fan control is carried out according to the following priority.

1.Fan ON control for electric component cooling fan

2.Fan control when defrosting

3.Fan OFF delay when stopped

4.ON/OFF control in cooling operation

5.Tap control when drooping function is working

6.Fan control in forced operation

7.Fan control in indoor/outdoor unit silent operation

8.Fan control in powerful mode

9.Fan control in normal operation

Detail

Fan OFF Control when Stopped

*Fan OFF delay for 60 seconds must be made when the compressor is stopped.

Tap Control in indoor/outdoor unit silent operation

1. When Cooling Operation

When the outdoor air temperature is lower than 99°F, the fan tap must be set to L.

2. When Heating Operation

When the outdoor air temperature is higher than 39°F, the fan tap must be turned to L (only for heat pump model).

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Contents Split Type Room AIR Conditioner Wall Mounted Type Table of Contents Model and product code Summary and features Important Safety Information Refrigeration System Repair Hazards Property Damage Hazards Specifications 115 MR09C1H MR12C1H Appending date Expanded capacity data tables for both cooling and heating Operation Characteristic Curve 09KUnits Construction Views Refrigerant System Diagram Electrical Date Electrical wiringCooling Models TOP View Bottom View Bottom View Function and Control Remote Control OperationsAuto Timer on Displayed. If the light is tunrned off Disappears Replacement of Batteries Description of Each Control Operation Function and Control Function and Control Setting+ 2, medium speed Tring ≤ Tsetting 2, low speed P2 Maximum cooling and heating Compressor Protection Function Detection of temperature sensor malfunctionFrequency Control 3-minutes StandbyFreeze-up Protection Control Discharge Pipe ControlInput Current Control Detail Conditions for Start Controlling Tap Control in indoor/outdoor unit silent operation Fan ControlImportant Notices Ground requirements Installation dimension diagram Boring Piping Hole Installing Indoor Unit Installing Outdoor Unit Electric wiringCheck after Installation and Operation Test Check after InstallationInstallation of Healthy Filter Installation and Maintenance of Healthy FilterOptionalTroubleshooting Can not start up Malfunction of four-way valve Is not on, then replace the protector Adjust support washer of compressor, Troubleshooting YELLOW-LED4 GREEN-LED2 RED-LED3 Analysis or processing of some of the malfunction display How to Check simply the main part Troubleshooting Comp Page AP1 Troubleshooting Is stop time of the compressor longer than 3 minutes? Minutes after the complete unit is powered off Start If the fault is eliminated? Troubleshooting Flow chart for outdoor communitcation circuit detecting Troubleshooting Guide Troubleshooting Guide Temp Resistance Way Valve Liquid Side 2-way, 3-way Valve AppearanceProcedure Close Close Open Close Balance Refrigerant of the 3-way Valve Evacuation ProcedureAfter Evacuation Gas ChargingRemoval Procedure Removal Procedure Removal Procedure Removal Procedure of Outdoor Unit Removal Procedure Removal Procedure MW09C1H / MW12C1H Exploded Diagram MW09C1H Parts List MW12C1H Parts List MR09C1H Exploded Diagram MR09C1H Parts List MR12C1H Exploded View MR12C1H Parts List Page Friedrich AIR Conditioning CO