Mitsubishi HMA100V Technical Manual page 3

Radiators - only heating
HMA100V-FDCW100VNX(71VNX) 
HMS140V(MT300)-FDCW140VNX 
Underfloor heating and cooling
Fan convectors - heating and cooling
Dual system - heating and cooling
Underfloor heating and fan convectors- heating and

cooling

External heat source
Sun 
Gas 
Oil 
Wood 
Service
Operation control function by the indoor unit
controller 
Operation control function by the outdoor unit
controller 

Alarm list
Alarmwithautomaticreset 
Temperaturelimiteralarm 
Indoorunitalarm 
Outdoorunitalarm 
Hotwateralarm 
Supplyalarm 
Troubleshooting guide
3-Thermalcutout 
4-OUpowerfailure 
5-Lowcondenserout 
6-Highcondenserout 
7-AntifreezeHX 
8-HighHWtemp.9HighAHtemp. 
10-HighSupplytemp.1,11HighSupplytemp.2 
14,16-Aborteddefrost 
31-S.faultHP 
30-S.faultOutdoor,32-S.faultCondout,33-S.fault
Liquidline,34-S.faultHW,35-S.faultAH,36-S.fault
supply1,37-S.faultsupply2 
E35-HighHXtemp 
E36-PermanentHotgas 
E37-S.faultTho-R 
E38-S.faultTho-A 
E39-S.faultTho-D 
E40-HPalarm 
E42-Currentcut 
E45-Invertercommunicationerror 
E47-InverterA/Fmoduleovercurrent 
E48-Fanalarm 
E49-LPalarm 
E51-Inverterandfanmotorerror 
E53-S.faultTho-S 
E54-S.faultLPT 
E57-Lowrefrigerant 
E59-Invertererror 





Function check, components
112
IndoorunitRelaytest-forcedcontrol 
112
113
DIP switch setting
FDCW71VNX 
114
FDCW100VNX,140VNX 
115
Component replacement
Indoorunit 
116
Outdoorunit 
FDCW71VNX 
FDCW100VNX 
117
FDCW140VNX 
118
Components
118
119
120

Indoor unit
121
Circulationpump(GP10) 
Shuttlevalves(QM30,QM31,QN11) 
Particlefilter(HQ1) 
Safetyvalve(FL2) 
Summary 

Outdoor unit
123
Compressor 
4-wayvalve 
Expansionvalve 
Lowpressuresensor 
136
146
Temperature sensor
146
Sensorplacement 
146
Dataforsensorinoutdoorunit 
146
Dataforsensorinindoorunit 
147
150
Component positions
150
Indoorunit 
Outdoorunit 
151
151

Accessories
152
Accessories 
153
Windprotection 
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
173
174
175
176
177
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'10 • HM-T-149
Table of Contents





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