Mitsubishi Heavy Industries FDUA160AVSAVH Service Manual page 3

1. MICRO INVERTER PACKAGED AIR-CONDITIONERS
1.1 OUTLINE OF OPERATION CONTROL BY MICROCOMPUTER ..................
1.1.1 Remote control (Option parts) ..............................................................
1.1.2 Operation control function by the wired remote control ....................
1.1.3 Operation control function by the indoor control ............................... 10
(1) Auto operation ........................................................................................... 10
(2) Operations of functional items during cooling/heating .............................. 11
(3) Dehumidifying (DRY) operation ................................................................. 11
(4) Timer operation ......................................................................................... 12
(5) Hot start (Cold draft prevention at heating) ............................................... 13
(6) Hot keep .................................................................................................... 13
(7) Thermostat operation ................................................................................ 14
(8) Filter sign ................................................................................................... 15
(9) Compressor inching prevention control ..................................................... 15
(10) Drain pump control .................................................................................... 16
(11) Drain pump motor (DM) control ................................................................. 16
(12) Operation check/drain pump test run operation mode .............................. 16
(13) Cooling, dehumidifying frost protection ..................................................... 17
(14) Heating overload protection ...................................................................... 17
(15) Anomalous fan motor ................................................................................ 17
(16) Plural unit control - Control of 16 units group by one remote control ....... 18
(17) Fan speed setting control .......................................................................... 18
(18) Abnormal temperature sensor (retun air/indoor heat exchanger) broken wire/short-circuit detection ..... 19
(19) External input/output control (CnT or CnTA) ............................................. 19
(20) Operation permission/prohibition............................................................... 21
(21) Temporary stop input ................................................................................. 23
(22) Selection of cooling/heating external input function .................................. 23
(23) Fan control at heating startup.................................................................... 24
(24) Room temperature detection temperature compensation during heating ....... 24
(25) Return air temperature compensation ....................................................... 24
(26) High power operation (RC-EX(Z)3A only) ................................................. 24
(27) Energy-saving operation (RC-EX(Z)3A only) ............................................ 24
(28) Warm-up control (RC-EX(Z)3A only) ......................................................... 24
(29) Home leave mode (RC-EX(Z)3A only) ...................................................... 24
(30) Auto temperature setting (RC-EX(Z)3A only) ............................................ 24
(31) Fan circulator operation (RC-EX(Z)3A only).............................................. 25
(32) The operation judgment is executed every 5 minutes (RC-EX(Z)3A only) ... 25
(33) Auto fan speed control (RC-EX(Z)3A only)................................................ 25
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'21 • PAC-SM-398
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