REYQ72, 96, 144, 168, 192MTJU R-410A Heat Recovery 60Hz

1 REYQ72, 96, 144, 168, 192 MTJUR-410A Heat Recovery 60 HzREYQ72 MTJUREYQ96 MTJUREYQ144 MTJUSiUS39 - 602 REYQ168 MTJUREYQ192 MTJUSiUS39-602 Table of ContentsiR-410A Heat Recovery60Hz1. Introduction .. Safety PREFACE .. xPart 1 General 11. Model Names of Indoor/Outdoor Units .. Appearance .. Indoor Outdoor Units .. 33. Model Selection ..4 Part 2 Specifications .. 51. Specifications .. Outdoor Units .. BS Units .. 23 Part 3 refrigerant Circuit .. Circuit .. , BSVQ36, 60M .. Parts Layout.

2 , 96M .. 293. refrigerant Flow for Each Operation Mode ..31 Part 4 Function .. General .. Symbol .. Normal PI Control .. Expansion Valve PI Control .. Operation Fan Control .. Heat Exchange Mode in Heating Operation or Simultaneous Cooling / Heating 473. Special Control .. 48 SiUS39-602iiTable of Return Operation .. Operation .. Pressure Equalizing Control .. Residual Operation .. Standby .. Operation .. Control .. Pressure Protection Control .. Pressure Protection Control.

3 Pipe Protection Control .. Protection Control .. Compressor Overload Protection .. Control .. Unit Rotation .. Operation .. Operation Prohibition .. 676. Outline of Control (Indoor Unit) .. Pump Control .. Sensor in Remote Controller .. 72 Part 5 Test Operation .. Operation .. and Outline .. When Power is Turned On .. Unit PC Board Layout .. Setting .. Field Setting from Remote Field Setting from Outdoor Unit .. 91 Part 6 1111. Troubleshooting by Remote Controller .. The INSPECTION / TEST Button.

4 Self-diagnosis by Wired Remote Controller .. Self-diagnosis by Wireless Remote Operation of the Remote Controller s Inspection / Test Operation Button .. Remote Controller Service Mode .. Remote Controller Self-Diagnosis Function .. 1222. Troubleshooting by Indication on the Remote Controller .. A0 Indoor Unit: Error of External Protection Device .. A1 Indoor Unit: PC Board Defect .. A3 Indoor Unit: Malfunction of Drain Level Control System (S1L).. A6 Indoor Unit: Fan Motor (M1F) Lock, Overload.

5 A7 Indoor Unit: Malfunction of Swing Flap Motor (MA).. 132 SiUS39-602 Table of A9 Indoor Unit: Malfunction of Moving Part of Electronic Expansion Valve (20E).. AF Indoor Unit: Drain Level above Limit .. AJ Indoor Unit: Malfunction of Capacity Determination Device .. C4 Indoor Unit: Malfunction of Thermistor (R2T) for Heat Exchanger .. C5 Indoor Unit: Malfunction of Thermistor (R31T, R32T) for Gas Pipes .. C9 Indoor Unit: Malfunction of Thermistor (R1T) for Suction Air .. CJ Indoor Unit: Malfunction of Thermostat Sensor in Remote Controller.

6 E1 Outdoor Unit: PC Board Defect .. E3 Outdoor Unit: Actuation of High Pressure E4 Outdoor Unit: Actuation of Low Pressure E5 Compressor Motor Lock (INV Compressor) .. E6 Compressor Motor Overcurrent/Lock (STD Compressor) .. E7 Malfunction of Outdoor Unit Fan E9 Outdoor Unit: Malfunction of Moving Part of Electronic Expansion Valve (Y1E, Y2E, Y3E).. F3 Outdoor Unit: Abnormal Discharge Pipe Temperature .. F6 refrigerant Overcharged .. H7 Abnormal Outdoor Fan Motor H9 Outdoor Unit: Malfunction of Thermistor for Outdoor Air (R1T).

7 J2 Current Sensor Malfunction .. J3 Outdoor Unit: Malfunction of Discharge Pipe Thermistor (R31~32T) .. J4 Malfunction of Heat Exchanger Gas Pipe Thermistor (R81, 82T) .. J5 Outdoor Unit: Malfunction of Thermistor (R2T) for Suction J6 Outdoor Unit: Malfunction of Thermistor (R4T) for Outdoor Unit Heat Exchanger .. J7 Malfunction of Receiver Outlet Liquid Pipe Thermistor (R6T) .. J8 Malfunction of Oil Equalizing Pipe Thermistor (R7T) .. J9 Malfunction of Sub-cooling Heat Exchanger Gas Pipe Thermistor (R5T).

8 JA Outdoor Unit: Malfunction of Discharge Pipe Pressure Sensor .. JC Outdoor Unit: Malfunction of Suction Pipe Pressure L4 Outdoor Unit: Malfunction of Inverter Radiating Fin Temperature Rise .. L5 Outdoor Unit: Inverter Compressor Abnormal .. L8 Outdoor Unit: Inverter Current L9 Outdoor Unit: Inverter Start up Error .. LC Outdoor Unit: Malfunction of Transmission between Inverter and Control PC P1 Outdoor Unit: Inverter Over-Ripple Protection .. P4 Outdoor Unit: Malfunction of Inverter Radiating Fin Temperature Rise Sensor.

9 172 SiUS39-602ivTable of PJ Outdoor Unit: Faulty Field Setting after Replacing Main PC Board or Faulty Combination of PC UO Outdoor Unit: Low Pressure Drop due to refrigerant Shortage or Electronic Expansion Valve U1 Outdoor Unit: Reverse Phase, Open Phase .. U2 Outdoor Unit: Power Supply Insufficient or Instantaneous Failure .. U3 Outdoor Unit: Check Operation not Executed .. U4 Malfunction of Transmission between Indoor Units .. U5 Indoor Unit: Malfunction of Transmission between Remote Controller and Indoor Unit.

10 U7 Indoor Unit: Malfunction of Transmission between Outdoor Units .. U8 Indoor Unit: Malfunction of Transmission between MAIN and SUB Remote U9 Indoor Units: Malfunction of Transmission between Indoor Units and Outdoor Units in the Same System .. UA Improper Combination of Indoor Units and Outdoor Units/Indoor Units and Remote Controller .. UC Address Duplication of Centralized Remote Controller .. UE Malfunction of Transmission between Centralized Controller and Indoor Unit .. UF System is not Set UH Malfunction of System, refrigerant System Address 1923.