Mitsubishi Electronics PCFY-P36NKMU-E Auto Operation Automatic COOL/HEAT Change Over Operation

Page 19

6-5. AUTO OPERATION [AUTOMATIC COOL/HEAT CHANGE OVER OPERATION]

 

 

TIME SUN MON TUE WED THU FRI SAT

 

 

 

TIMER

Hr ON

 

 

 

AFTER

AFTER OFF

 

 

 

ERROR CODE

FUNCTION

 

ûFûC

 

ûFûC

FILTER

 

 

 

WEEKLY

 

 

ONLY1Hr.

 

SIMPLE

 

 

 

AUTO OFF

 

TEMP.

 

 

ON/OFF

 

MENU

ON/OFF

 

FILTER

BACK

MONITOR/SET

DAY

 

CHECK TEST

PAR-21MAA

CLOCK

OPERATION

CLEAR

<How to operate>

Press POWER ON/OFF button.

Press the operation MODE button to display AUTO. Press the TEMP. button to set the desired temperature.

NOTE: The set temperature changes 2°F when the

or

button is

pressed one time. Automatic 67 to 83°F

Control modes

 

Control details

Remarks

 

 

 

1. Initial value of

HEAT mode for room temperature < Desired temperature

 

operation mode

COOL mode for room temperature Desired temperature

 

 

 

 

2. Mode change

(1) HEAT mode → COOL mode

 

 

Room temperature

Desired temperature + 3°F. or 3 min. has passed

 

 

(2) COOL mode → HEAT mode

 

 

Room temperature

Desired temperature - 3°F. or 3 min. has passed

 

 

 

 

3. COOL mode

Same control as cool operation

 

 

 

 

4. HEAT mode

Same control as heat operation

 

 

 

 

 

6-6. WHEN UNIT IS STOPPED

Control modes

 

Control details

Remarks

 

 

 

 

1. Drain pump

1-1. Drain pump control

 

 

 

 

The drain pump turns ON for the specified amount of time when any of the following

 

 

conditions is met:

 

 

ON for 3 minutes after the operation mode is switched from COOL or DRY to

 

 

another operation mode (FAN).

 

 

ON for 6 minutes after the float switch is submerged in the water when the

 

 

float swich control judges the sensor is in the water.

 

 

 

 

 

 

1-2. Float switch control

· Same control

 

as COOL

 

• Float switch control judges whether the sensor is in the air or in the water by

 

operation

 

turning the float switch ON/OFF.

 

 

 

In the water : Detected that the float switch is ON for 15 seconds.

 

 

In the air

: Detected that the float switch is OFF for 15 seconds.

 

 

 

 

 

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Contents Parts Catalog OCB450 ContentsPart Names and Functions Wired remote controller Specifications SpecificationSound Level Electrical Parts SpecificationsPCFY-P15NKMU-E PCFY-P24NKMU-E NC CurvesCmmcfm How to read curvesFront View Pcfy Gas pipe side/flared connection PCFY-P15, 24, 30, 36NKMU-E Wiring DiagramØ12.7 1/2 Ø15.88 5/8 Refrigerant System DiagramUnit mm inch Service Ref PCFY-P15NKMU-E PCFY-P24NKMU-E PCFY-P30NKMU-E PCFY-P36NKMU-EIndoor Unit Control 6-1. Cool Operation How to operateRoom temperature Desired temperature Microprocessor ControlFloat switch control Drain pump Same control as Cool operation Vane DRY OperationPressed one time. Dry 67 to 87F Control modes Control details Remarks Thermo regulatingFAN Operation Fan Control details Heat OperationPressed one time. Heating 63 to 83F Display in Heat operation DefrostFrom the preceding Control modes Control details Remarks Fan Thermo OFF modeAuto Operation Automatic COOL/HEAT Change Over Operation When Unit is StoppedDown TroubleshootingLinear expansion valve Valve Trouble shootingClosing a valve 1 → 2 → 3 → 4 → Become OFFSensor signal check Function of DIP Switch How to set branch number SW14 Series R2 only High ceiling On SWA settingHow to set address Switch Match the indoor unit’s refrigerant pipe with the BCPattern a Switch PoleOperation by switch Effective JumperPCFY-P15NKMU-E PCFY-P24NKMU-E PCFY-P30NKMU-E PCFY-P36NKMU-E Test Point DiagramSW1 PCFY-P30NKMU-E PCFY-P36NKMU-E Disassembly ProcedureOperating Procedure Photos & Illustrations PCFY-P15NKMU-E PCFY-P24NKUM-ERemoving the fan motor and right side fan Removing the room temperature thermistor TH21Side panel by sliding the panel to the front Removing the fan 3 connectionRemoving the side panel Remove the screw from the side panel, and removeRemoving the under panel Removing the vane motorRemoving the drain pan Removing the Auto vane Removing the pipe thermistors/Liquid TH22 and GasTH23 Removing the guide vaneRemove 2 screws from the heat exchanger Removing the heat exchanger and LEVRemove the heat exchanger with LEV Page New publication, effective Feb

PCFY-P30NKMU-E, PCFY-P36NKMU-E, PCFY-P24NKMU-E, PCFY-P15NKMU-E specifications

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