Mitsubishi Electric City Multi PUMY-SP112YKM User Manual

Check code
1302
(UE)
Highpressuretrouble
●Diagnosisofdefectives
MakesuretoturnthepowerOFFbeforeconnecting/disconnectinganyconnectors,orreplacingboards.
Diagnosis Remedy
No
Is the voltage normal?
Is it free from any trace of over-
heating or burning?
Replacetheindoorcontrollerboard.
Checkthevoltageandappearanceofthe
indoor controller board.
Check the resistance of SV1.
Chart 3 of 4
For the voltage, refer to "8-6.
HOWTOCHECKTHECOMPONENTS".
No
No
Yes
Yes
Yes
Continuedfromthepreviouspage
Is there a resistance detected?
Is there a resistance detected?
ReplacetheTH7.
ReplacetheindoorLEV.
DisconnecttheindoorLEVwiringtocheck
the resistance.
Continuetothenextpage
55
OCH668B

Mitsubishi Electric City Multi PUMY-SP112YKM Specifications

General

Series	City Multi
Outdoor Unit Model	PUMY-SP112YKM
Cooling Capacity (kW)	11.2
Heating Capacity (kW)	12.5
Refrigerant	R410A
Operating Temperature Range (Cooling)	-5°C to 46°C
Power Source	380-415V, 50Hz
Operating Temperature Range (Heating)	-20°C to 15.5°C
Indoor Unit Compatibility	Various models in the City Multi series