Mitsubishi Heavy Industries FDT200VSAWPVH Service Manual page 2

1. OUTLINE OF OPERATION CONTROL BY MICROCOMPUTER ....................
1.1 Remote control (Option parts) ..................................................................
1.2 Operation control function by the wired remote control .......................
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 .................................................................................................... 14
(7) Auto swing control (FDT, FDTC, FDE only) ............................................... 14
(8) Thermostat operation ................................................................................ 15
(9) Filter sign ................................................................................................... 16
(10) Compressor inching prevention control ..................................................... 16
(11) Drain pump control .................................................................................... 17
(12) Drain pump motor (DM) control ................................................................. 17
(13) Operation check/drain pump test run operation mode .............................. 17
(14) Cooling, dehumidifying frost protection ..................................................... 18
(15) Heating overload protection ...................................................................... 18
(16) Anomalous fan motor ................................................................................ 18
(17) Plural unit control - Control of 16 units group by one remote control ........ 19
(18) Fan speed setting control .......................................................................... 19
(19) Abnormal temperature sensor (retun air/indoor heat exchanger) broken wire/short-circuit detection ..... 20
(20) External input/output control (CnT or CnTA) ............................................. 20
(21) Operation permission/prohibition............................................................... 22
(22) Temporary stop input ................................................................................. 24
(23) Selection of cooling/heating external input function .................................. 24
(24) Fan control at heating startup.................................................................... 25
(25) Room temperature detection temperature compensation during heating ....... 25
(26) Return air temperature compensation ....................................................... 25
(27) High power operation (RC-EX3A only) ...................................................... 25
(28) Energy-saving operation (RC-EX3A only) ................................................. 25
(29) Warm-up control (RC-EX3A only) ............................................................. 25
(30) Home leave mode (RC-EX3A only) ........................................................... 25
(31) Auto temperature setting (RC-EX3A only) ................................................. 25
(32) Fan circulator operation (RC-EX3A only) .................................................. 26
(33) The operation judgment is executed every 5 minutes (RC-EX3A only) .... 26
(34) Auto fan speed control (RC-EX3A only) .................................................... 26
(35) Indoor unit overload alarm (RC-EX3A only) .............................................. 26
(36) Peak-cut timer (RC-EX3A only) ................................................................. 26
(37) Motion sensor control (RC-EX3A and RCN-E2 only) ................................ 27
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'21 • PAC-SM-383
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