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Mitsubishi Heavy Industries Manuals
Air Conditioner
FDTCVA SERIES
Technical manual
Table Of Contents - Mitsubishi Heavy Industries FDTCVA SERIES Technical Manual
Packaged/multi-type (v-multi)packaged air-conditioner
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Table Of Contents
328
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Advertisement
Table of Contents
Wall Mounted Type
1
High Static Pressure Duct Type
1
Table Of Contents
3
How To Read The Model Name
5
General Information
5
Specifi C Features
5
Selection Data
6
Specifications
6
Ceiling Recessed Compact Type (Fdtc)
6
Ceiling Recessed Type (Fdt)
13
Ceiling Suspended Type (Fden)
37
Satellite Ducted Type (Fdum)
59
High Static Pressure Duct Type (Fdu)
79
Wall Mounted Type (Fdkn)
81
Range Of Usage & Limitations
91
Height And Length Restrictions For Refrigerant Piping
92
Exterior Dimensions
94
Indoor Unit
94
Wired Remote Controller
106
Precaution In Extending The Remote Control Cord
106
Remote Controller Mounting Dimensions
106
Remote Controller (Optional Parts)
106
Wireless Remote Controller
107
Outdoor Unit Dimensions
108
Inside View
114
Exterior Appearance
117
Piping System
120
Preset Point Of The Protective Devices
126
Selection Chart
127
Capacity Compensation Coeffcient
128
Power Consumption Correction Factor
131
Sensible Heat Factor
134
Piping Length Limitations
137
How To Obtain The Cooling And Heating Capacity
137
Characteristics Of Fan
138
Noise Level
141
Outdoor Unit
144
Electrical Data
145
Electrical Wiring
145
Outline Of Operation Control By Microcomputer
157
Remote Controller View
157
Operation Section
158
Operation Control Function By The Indoor Controller
159
Room Temperature Control (Differential Of Thermostat)
159
Automatic Operation
159
Control Parts Operation During Cooling And Heating
159
Dehumidifying Operation ("Thermal Dry")
160
Timer Operation
160
Hot Start (Cold Draft Prevention During Heating)
161
Fm Control With The Heating Thermostat Turned Off
161
Room Temperature Sensing Temperature Compensation During Heating
162
Filter Sign
162
Auto Swing Control (Except The Fdu, Fdum Model)
162
Louver Control/Auto Louver Horizontal Set During Heating
162
Condensate Pump Motor (Dm) Control [Fdt And Fdum Models Only]
163
Air Flow Mode Control
163
Compressor Inching Prevention Control/Heating Overload Protection
163
Frost Prevention During Cooling, Dehumidification
163
Using 1 Remote Controller To Control Multiple Units
164
External Control (Remote Display) /Control Of Input Signal
164
Operation Control Function By The Wired Remote Controller
166
Remote Controller Operation Mode Switch Switching Sequence
166
Power Failure Compensation Function
166
Remote Controller Pcb Parts Arrangement
166
Operation Control Function By The Outdoor Controller
167
Compressor Soft Start Control
167
Models Fdcva151 ~ 251
167
Compressor Protective Start Iii
168
Compressor Protective Control According To Operating Speed
168
Outdoor Fan Control
168
Outdoor Unit Fan Speed Control
169
Snow Protection Fan Control
169
Defrosting
170
Compressor Protective Control
170
Discharge Pipe Temperature Control
170
Anomalous Discharge Pipe Temperature
171
Inverter Protection Control
172
Temperature Thermistor Disconnection
172
Anomalous Stop Due To Starting Of The Compressor
172
Insufficient Refrigerant Protection Control
172
Low Voltage Protection Control
173
Test Operation
173
Deciding The Compressor Speed
173
Compressor Start Control
173
Models Fdcva302 ~ 1002
173
Outdoor Unit Fan Control
175
Contents Of Fan Speed Control
175
Fan Speed Control When The Unit Started
176
Open Phase Protection
182
Temperature Thermistor And Low Pressure Sensor Disconnection
182
Silent Mode Control
183
Pump Down Control
184
Abnormal Stop By Failing In Starting The Compressor
184
Compressor Rotor Lock Error
184
Safety Precautions
185
Application Data
185
Installation Of Indoor Unit
186
Suspension
187
Drain Piping
187
When Embedded Into Ceiling
187
Drainage Test
188
Forced Drain Pump Operation
188
Panel Installation
189
Removing The Air Return Grille
195
Removing The Corner Panel
195
If The Vertical Air-Flow Direction Is Fixed
196
Corner Panel Installation
197
Wireless Remote Control Unit Operation Distance
198
Installation Preparation
198
Remove The Suspension Lug
199
Suspension Bolt Position
199
Fasten The Suspension Lugs To The Suspension Bolts
199
Attach The Unit To The Suspension Lugs
199
In Order To Make It Easier For Water To Drain Out
200
Refrigerant Piping
200
Attaching Of Mounting Plate
202
Procedure For Making Hole On The Wall
202
Forming Of Piping And Drain Hose
202
Relation Between Illumination At Receiver Unit And Operating Distance
202
Adjusting the Unit's Levelness
205
Blower Fan Tap Switch
205
Supply Air Duct
205
Access Door
205
Return Air Port
206
Return Air Port With Canvas Duct
207
Connection Of Intake And Exhaust Ducts
207
Duct Connection
207
Drainage From The Lower Drain Socket
209
Simplified Method For Determination Of Duct Dimensions
212
Installation Of Wired Remote Controller
214
Installation Of Outdoor Unit
215
Haulage And Installation
215
Decision Of Piping Specification
217
Refrigerant Piping Work
217
Points For Attention In Installing Refrigerant Piping
220
How To Remove The Side Cover
221
Refrigerant Pipe Connection
221
Method For Connecting The Accessory Pipe
221
Air Tightness Test And Air Purge
223
Refrigerant Charge
224
Charging Refrigerant
225
Drain Piping Work
225
Power Cable, Indoor-Outdoor Connecting Wires
226
Remote Controller Wiring And Connection Procedure
227
Setting Functions Using The Wired Remote Controller
228
Function Setting Method
230
Changing The Remote Control Set Temperature Range
232
Checking Operation Data
233
Test Run From An Outdoor Unit
234
Failure Diagnosis In A Test Run
235
The State Of The Electronic Expansion Valve
236
Test Run From An Wired Remote Controller
236
Maintenance Data
237
Servicing
237
Evacuation Procedure
237
Trouble Shooting For Refrigerant Circuit
238
Diagnosing Of Microcomputer Circuit
239
Selfdiagnosis Function
239
Display Sequence Of Error, Inspection Display Lamp
241
Procedures Of Trouble Diagnosis
242
Error Diagnosis Procedures At The Indoor Unit Side
242
Parts Layout On The Indoor Unit Pcb
243
Check Method When The Error Code Is Display
248
Error Display "Wait"
250
Indoor – Outdoor Communications Trouble Initial
250
Indication Example In Case Of Wrong Interconnection
252
Behavior When Address Setting Is Wrong
252
Communication Error Between The Remote Controller And The Indoor Unit
253
Defective Indoor Unit Heat Exchanger Thermistor
254
Detective Return Air Thermistor
254
Heating Overload
255
Drain Trouble
255
Control Of 1 Remote Controller Vs Multiple Units
256
Excessive Number Of Units (More Than 17 Units)
256
Communications Are Faulty Between Master And Slave Indoor Units
256
Fan Motor Abnormalities
257
Defective Remote Controller Thermistor
259
Resistance-Temperature Characteristic Of Remote Controller Thermister
259
Error Diagnosis Procedures At The Outdoor Unit Side
260
Parts Layout On The Outdoor Unit Pcb
261
Parts Layout On The Outdoor Unit Inverter Pcb
264
Outdoor Unit Controller Failure Diagnosis Circuit Diagram
266
Communications Error During Operation
271
Inverter Primary Current Anomalous
271
Power Supply Open Phase
272
Cooling Overload Operation
273
Discharge Temperature Error
275
Set Temperature For Protective Control
275
Defective Outdoor Unit Heat Exchanger Thermistor
276
Defective Ambient Air Temperature Thermistor
276
Defective Discharge Pipe Thermistor
277
63H1 Operation
277
Power Transistor Is Overheating
278
Current Cut
279
Inverter Communications Are Anomalous
279
Inverter Over-Voltage Trouble
280
Over-Current Error on A/F (Active Fi Lter) Module
280
Dc Fan Motor Failure
281
Anomalous Low Pressure Or Low Pressure Sensor Disconnection
282
Inverter, Fan Motor Fault
283
Defective Suction Pipe Temperature Thermistor
283
Low Pressure Sensor Fault
284
Under-Dome Temperature Thermistor Fault
284
Power Transistor Thermistor Fault
285
Insuffi Cient Refrigerant Amount
285
Anomaly In Compressor Starting
286
Compressor Loader Position Detection Error
287
Power Transistor Module Inspection Procedure
288
Power Transistor Module Terminal Short Circuit Check Procedure
288
4 Way Valve Does Not Switch During Heating Operation
289
Inspection Procedure For The Failure Which Doesn't Have An Error Code
289
Check Anomalous Operation Data With The Wired Remote Controller
290
Check Display On Wireless Specifi Cation Models (Fden · Fdkn· Fdt)
291
Multi-Type (V Multi) Packaged Air-Conditioner
292
Table Of Models
294
Table Of System Combinations
294
Specifi Cations
295
(A) Ceiling Recessed Compact Type (Fdtc)
295
(B) Ceiling Recessed Type (Fdt)
296
(C) Ceiling Suspended Type (Fden)
299
(D) Wall Mounted Type (Fdkn)
302
(E) Satellite Ducted Type (Fdum)
304
Operation Chart
312
Operating Characteristic Of Outdoor Unit
312
Operating Characteristic Of Indoor Unit
312
Calculation Of Total Operation Characteristics
313
Operation Characteristics Of Each Unit
313
3 Phase Models Characteristics
314
Application Date
318
Maintenance Date
318
Wireless Kit (Optional Parts)
319
Attachment Of Wireless Kit
320
Control Of A Plural Number Of Indoor Units With One Remote Controller
322
Check Display List
322
Wiring Connected To The Light Detection Adaptor
324
Installation For Light Detection Adaptor
324
Installation With Enclosed Bracket
325
Direct Installation Onto The Ceiling With Wood Screws
325
Wireless Remote Controller Operation Distance
326
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This manual is also suitable for:
Fdumva series fduva series
Fdcva series
Fdtva series
Fdknva series
Fdtca series
Fdenva series
...
Show all
Fdena series
Fdkna series
Fduma series
Fdtcva151hen1r
Fdtcva201hen1r
Fdtcva302henp1r
Fdtcva402henp2r
Fdtcva402hesp2r
Fdtcva602hent2r
Fdtcva602hest2r
Fdenva151hen1r
Fdenva201hen1r
Fdenva251hen1r
Fdenva302hen1r
Fdenva402hen2r
Fdenva402hes2r
Fdenva502hen2r
Fdenva502hes2r
Fdenva602hen2r
Fdenva602hes2r
Fdenva302henp1r
Fdenva402henp2r
Fdenva402hesp2r
Fdenva502henp2r
Fdenva502hesp2r
Fdenva602henp2r
Fdenva602hesp2r
Fdenva802hesp2r
Fdenva1002hesp2r
Fdenva602hent2r
Fdenva602hest2r
Fdenva802hest2r
Fdtva151hen1r
Fdtva201hen1r
Fdtva251hen1r
Fdtva302hen1r
Fdtva402hen2r
Fdtva402hes2r
Fdtva502hen2r
Fdtva502hes2r
Fdtva602hen2r
Fdtva602hes2r
Fdtva302henp1r
Fdtva402henp2r
Fdtva402hesp2r
Fdtva502henp2r
Fdtva502hesp2r
Fdtva602henp2r
Fdtva602hesp2r
Fdtva802hesp2r
Fdtva1002hesp2r
Fdtva602hent2r
Fdtva602hest2r
Fdtva802hest2r
Fdtva802hesd2r
Fdtva1002hesd2r
Fdknva151hen1r
Fdknva201hen1r
Fdknva251hen1r
Fdknva302henp1r
Fdknva402henp2r
Fdknva402hesp2r
Fdknva502henp2r
Fdknva502hesp2r
Fdknva602hent2r
Fdknva602hest2r
Fdumva201hen2r
Fdumva251hen2r
Fdumva302hen2r
Fdumva402hen2r
Fdumva402hes2r
Fdumva502hen2r
Fdumva502hes2r
Fdumva602hen2r
Fdumva602hes2r
Fdumva402henp2r
Fdumva402hesp2r
Fdumva502henp2r
Fdumva502hesp2r
Fdumva602henp2r
Fdumva602hesp2r
Fdumva802hesp2r
Fdumva1002hesp2r
Fdumva602hent2r
Fdumva602hest2r
Fdumva802hest2r
Fduva802hes2r
Fduva1002hes2r
Fdcva302henr
Fdcva402henar
Fdcva402hesar
Fdcva502henar
Fdcva502hesar
Fdcva602henar
Fdcva602hesar
Fdcva802hesar
Fdcva1002hesar
Fdtca151r
Fdtca201r
Fdta151r
Fdta201r
Fdta251r
Fdta301r
Fdta401r
Fdta501r
Fdena151r
Fdena201r
Fdena251r
Fdena301r
Fdena401r
Fdena501r
Fdkna151r
Fdkna201r
Fdkna251r
Fduma202r
Fduma252r
Fduma302r
Fduma402r
Fduma502r
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