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MMY-MAP0806HT8P
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Toshiba MMY-MAP0806HT8P manual available for free PDF download: Service Manual
Toshiba MMY-MAP0806HT8P Service Manual (351 pages)
Brand:
Toshiba
| Category:
Air Conditioner
| Size: 24.7 MB
Table of Contents
Service Manual
1
Table of Contents
2
Safety Caution
6
Generic Denomination
6
Definition of Qualified Installer or Qualified Service Person
6
Definition of Protective Gear
7
Explanation of Indications
7
Explanation of Illustrated Marks
7
Warning Indications on the Air Conditioner Unit
8
Confirmation of Warning Label on the Main Unit
8
Precautions for Safety
9
Explanations Given to User
13
Relocation
13
Declaration of Conformity
14
Specifications
15
Carrying in the Outdoor Unit
18
Weight Centre
19
Anchor Bolt Position
19
Selection of Pipe Size
20
Coupling Size of Brazed Pipe
20
Screw Size and Tightening Torque
20
Adding Refrigerant
21
Calculation of Additional Refrigerant Charge Amount
21
Charging of Refrigerant
25
Refrigerant (R410A)
26
Safety Caution Concerned to Refrigerant (R410A)
26
Cautions on Installation/Service
26
Pipe Materials
26
Required Tools for R410A
27
Tools Exclusive for R410A
27
Explanation of Symbols
27
General Tools
27
1 Wiring Diagrams
28
Outdoor Unit
28
2 Parts Rating
37
Outdoor Unit (50Hz Model: MMY-MAP *** 6 * T8 * P * )
37
Outdoor Unit (60Hz Model: MMY-MAP *** 6HT7 * P)
38
Outdoor Inverter (50/60Hz Model: MMY-MAP *** 6 * T8/7 * P * )
39
Parts Layout in Outdoor Unit
40
Parts Layout in Inverter Assembly
43
Outdoor (Inverter) Print Circuit Board
46
Interface P.C. Board (MCC-1673)
46
Inverter P.C. Board for Compressor (MCC-1660) A3-IPDU
47
Inverter P.C. Board for Compressor (MCC-1669) A3-IPDU
48
Inverter P.C. Board for Fan Motor (MCC-1659) FAN-IPDU
49
Noise Filter PC Board
50
Noise Filer PC Board (MCC-1608 -A, -B)
50
3 Refrigerant Piping Systematic Drawing
51
Explanation of Functional Parts
60
Indoor Unit
61
Explanation of Functional Parts in Indoor Unit
61
4 Combined Refrigerant Piping System Schematic Diagrams
62
Normal Operation (COOL Mode / DEFROST Mode)
62
High Outside Air Temperature (Roughly 20°C or Above)
62
Normal Operation (COOL Mode) - Low Outside Air Temperature (Roughly below 20°C)
63
Normal Operation (HEAT Mode)
64
Normal Operation (HOT GAS DEFROST Mode)
65
Follower Unit (MMY-MAP1206HT*)
66
Header Unit (MMY-MAP1606HT*)
66
Emergency Operation (Cooling Operation under Header Outdoor Unit Backup Scenario)
66
Emergency Operation (Heating Operation under Header Outdoor Unit Backup Scenario)
67
Refrigerant Recovery from Failed Outdoor Unit (Pump-Down Operation under Follower Outdoor Unit Backup Scenario)
68
5 Control Outline
69
Outdoor Unit
69
PMV1, 3 Control
69
PMV4 Control
69
Cooling Fan Control
70
Heating Fan Control
70
Control While Follower Unit at Rest
70
Preparatory Control
72
Oil Equation Control
72
Oil Depletion Protection Control
72
Cooling Oil (Refrigerant) Recovery Control
72
Defrosting Commencement Conditions
73
Details of Defrosting Control
73
Defrosting Termination Conditions
73
Details of Defrosting Termination Control
73
SV2 Gas Balance Control
74
SV2 High Pressure Release Control
74
SV2 Low Pressure Release Control
74
SV41, 42 Low Pressure Release Control
75
SV52 High Pressure Release Control
75
Current Release Control
76
Heat Sink Temperature Detection Control
76
Overcurrent Protection Control
76
High Pressure SW Control
76
Cooling Operation under Low Outside Temperature Conditions
77
PMV (Pulse Motor Valve)
77
Schematic Diagram for Oil Equation Control
77
6 Applied Control and Functions
78
Applied Control for Indoor Unit
78
Control Specifications
78
Reset Conditions
80
Termination Conditions
80
DC Motor
83
Louver Control
83
TCC-Link Central Control
83
Optional Connector Specifications of Indoor P.C. Board
84
Test Operation of Indoor Unit
85
Method to Set Indoor Unit Function DN Code
86
To be Performed Only When System at Rest
86
Function CODE No. (DN Code) Table
87
1-Way Air Discharge Cassette (SH)
88
2-Way Air Discharge Cassette
88
4-Way Air Discharge Cassette
88
Indoor Unit Capacity
89
Applied Control of Indoor Unit
90
Control System Using Remote Control Interface (TCB-IFCB4E2)
90
Ventilating Fan Control from Remote Controller
91
Leaving-ON Prevention Control
92
Power Peak-Cut from Indoor Unit
92
Applied Control for Outdoor Unit
93
Maximum External Static Pressures for Combined Use of Single Units
93
Outdoor Fan High Static Pressure Shift
93
Purpose/Characteristics
93
Outdoor Unit Setup Method
96
Priority Operation Mode Setting
96
Indoor Unit Setup Method for Priority Indoor Unit Mode
97
Applied Control of Outdoor Unit
98
Layout of Outdoor Unit Interface P.C. Board
98
Four-Core Cable Support
99
Power Peak-Cut Control (Standard)
99
Power Peak-Cut Control Settings
99
Two-Core Cable Support
99
Power Peak-Cut Control (Extended)
100
SW07 Bit 2 off (Two-Step Control)
100
Snowfall Fan Control
101
External Master ON/OFF Control
101
Night Operation (Sound Reduction) Control
102
Operation Mode Selection Control
103
Indoor Unit Operation Intervention Function
103
SW1: COOL Mode Selection Switch
103
SW2: HEAT Mode Selection Switch
103
Error/Operation Output
104
Output Relay (K1, K2) Contact Specifications
104
Compressor Operation Output
105
Note 1: Output Relay (K1, K2) Contact Specifications
105
Operating Rate Output
106
Output Relay (K1, K2, K3) Contact Specifications
106
7 Test Operation
107
Procedure and Summary of Test Operation
107
Main Check Items for Electric Wiring
108
Check Items before Test Operation (before Powering-On)
108
Checklist 1
110
Check the Additional Amount of Refrigerant
111
Additional Amount of Refrigerant by Pipe Length
111
According to Indoor Unit Horsepower
111
Additional Amount of Refrigerant
111
Check at Main Power-On
112
Check on the Indoor Unit
112
Check on the Outdoor Unit
112
Address Setup and Check Procedure
113
Interface PC Board
113
Precautions
113
Address Setup Procedure
114
Interface P.C. Board on the Header Outdoor Unit
114
Header Unit Interface P.C. Board
117
Switch Setting
118
Manual Address Setup from the Remote Controller
119
Confirming the Numbers and Positions of Indoor Units
120
To Find an Indoor Unit’s Position from Its Address
121
When Checking Unit Numbers Controlled as a Group
121
Changing the Indoor Unit Address Using a Remote Controller
122
To Select Another System Address
122
Resetting the Address
124
In the Case of an Increase in Address-Undefined Indoor Units
126
Check after Address Setup When Central Control System Is Connected
127
Troubleshooting in Test Operation
128
A Check Code Is Displayed on the Remote Controller
128
Operation from the Indoor Remote Controller Is Not Accepted, and a Check Code Is Displayed on the 7-Segment Display of the Interface PC Board of the H
129
PC Board of the Header Unit, Although There Is Indoor Unit that Is Not Accepting Operation from the Indoor Remote Controller
129
There Is no Display of a Check Code on the 7-Segment Display on the Interface
129
After Address Setup, a Lower Number of Connected Units Is Displayed. (There Are Outdoor/Indoor Units that Do Not Operate in a Test Operation.)
130
In Checking the Number of Connected Outdoor Units and Connected Indoor Units
130
Outdoor/Indoor Units that Do Not Operate in a Test Operation.)
130
Miswiring Example
131
Test Operation Check
132
Fan Check
132
Single Cooling/Single Heating Test Operation Check
133
Test Run (Forced Cooling Operation)
133
Wired Remote Controller
133
Wireless Remote Controller
134
Service Support Function
136
Check Function for Connecting of Refrigerant and Control Lines
136
Criteria for Cycle Status
137
Criteria for Operating Power Current
137
Criteria for the Difference between Suction and Discharge Temperatures
137
On Rotations of Outdoor Fans
138
Function to Start/Stop (ON/OFF) Indoor Unit from Outdoor Unit
139
Cooling Test Operation Function
140
Heating Test Operation Function
141
Fan Test Operation Function
142
Batch Start/Stop (ON/OFF) Function
143
Individual Start/Stop (ON/OFF) Individual Test Operation Function
144
Check Code Clearing Function
145
Clearing from the Main Remote Controller
145
Remote Controller Distinction Function
147
Pulse Motor Valve (PMV) Forced Open Fully/Close Fully Function in Outdoor Unit
148
Pulse Motor Valve (PMV) Forced Open/Close Function in Indoor Unit
148
Solenoid Valve Forced Open/Close Function in Outdoor Unit
149
Fan Operation Check in Outdoor Unit
150
Abnormal Outdoor Unit Discrimination Method by Fan Operating Function
151
In Case to Operate the Fan in the Erroneous Outdoor Unit Only
151
In Case to Operate the Fans in All the Normal Outdoor Units
151
Manual Adjustment Function of Outside Temperature (TO) Sensor
152
Service Support Function List
153
Checking the Record of the Initial Value
154
Clearing the Initial Value
154
Confirming the Refrigerant Leakage
154
Refrigerant Leakage Detection
154
Monitor Function of Remote Controller Switch
155
Smms Wave Tool for Smartphone
157
How to Set the NFC Operation All Time Prohibition
157
Prohibition/Permission of the NFC Setting
157
Switch Setting of some Functions Prohibition
157
Confirmation for the Generation of the Error of the NFC
158
How to Set the NFC Operation All Time Permission
158
DRED (Demand Response Enabling Device)
159
Wiring Procedure
160
8 Troubleshooting
161
Before Engaging in Troubleshooting
161
Overview
161
List of Check Codes (Indoor Unit)
162
Troubleshooting Method
162
List of Check Codes (Outdoor Unit)
164
7-Segment Display Symbols
168
How to Read Displayed Information
168
O be Performed When System at Rest
168
Troubleshooting Based on Information Displayed on Remote Controller
168
Using Main Remote Controller (RBC-AMT32E)
168
Check Code History
169
Using TCC-LINK Central Remote Controller (TCB-SC642TLE2)
169
Using Indoor Unit Indicators (Receiving Unit Light Block)
170
Other (Indications Not Involving Check Code)
172
Check Codes Displayed on Remote Controller and SMMS-E Outdoor Unit (7-Segment Display on I/F Board) and Locations to be Checked
173
How to Check Inverter Output
188
How to Check Outdoor Fan Motor
188
How to Check Resistance of Compressor Winding
188
Points to Note When Servicing Compressor
188
Diagnosis Procedure for each Check Code
189
7-Segment Display Function
219
7-Segment Display on Outdoor Unit (Interface P.C. Board)
219
Checking Procedure to be Followed in Event of Abnormal Shutdown
219
Display of System Information
220
Display of Outdoor Unit Information
221
Display of Outdoor Cycle Data
222
7-Segment Display
224
Display of Indoor Unit Information
224
Display of Outdoor EEPROM Writing Error Code
224
Oil Level Judgment Display
225
Oil Level Judgment Results
225
SMMS-E Outdoor Interface P.C. Board Function Setting Exchange Table
226
Switch/Function Setting Exchange
226
Function Switching Setup
227
Switching of Jumper Wire/Function
227
Leakage/Clogging of Refrigerating Cycle Circuit
229
Sensor Characteristics
235
Temperature Sensor Characteristics
235
Input/Output Wiring Summary
236
Output Voltage Vs. Pressure
236
Pressure Sensor Characteristics
236
Indoor TC1 Sensor
237
Indoor TC2 and TCJ, TOA Sensor
237
Pd Sensor Characteristics
238
Pressure Sensor Output Check
238
Ps Sensor Characteristics
239
Note for Backup Operation
240
(Emergency Operation)
240
Compressor Backup Operation Setting
241
Outdoor Unit (14, 16, 18, 20, 22HP)
243
Outdoor Unit Backup Operation Setting
244
Follower Outdoor Unit Backup Operation Setting (Failure of Follower Outdoor Unit)
244
Setup of Failed Follower Outdoor Unit
244
Setup of Header Unit
244
Header Outdoor Unit Backup Operation Setting (Failure of Header Outdoor Unit)
246
Setup of Failed Header Outdoor Unit
246
Wiring Changes to Communication Line
247
Cooling-Season Outdoor Unit Backup Operation Setting
248
10 Outdoor Unit Refrigerant Recovery Method
249
Note for Refrigerant Recovery Operation
249
Refrigerant Recovery from Failed Outdoor Unit (Pump-Down)
249
Refrigerant Recovery Procedure a (Case of no Outdoor Unit Backup Operation Setting)
249
Selection of Outdoor Unit for Pressure Adjustment
250
Setup of Outdoor Unit for Pressure Adjustment
250
Setup of Failed Outdoor Unit
251
Setup of Unit Selected as Header Unit
252
Refrigerant Recovery Procedure B (Case of Outdoor Unit Backup Operation Setting)
252
Setup of Outdoor Units Other than Header Unit and Failed Unit
253
How to Operate System While Failed Outdoor Unit Being Repaired
254
Work Procedure after Repair
255
11 Replacing Compressors
256
Compressor Replacement Procedure (Outline)
256
Replacement of Compressors
257
Checking Color of Oil in Faulty Compressor
257
When Replacing Faulty Compressor Only
257
Adjusting Amount of Oil in New Compressor
257
Remove the Normal Compressor
259
Measuring Amount of Oil in Normal Compressor
259
Adjusting Amount of Oil in New Compressors
259
Measuring Amounts of Oil in Normal Compressor
260
Measuring Amounts of Oil in Normal Compressors
261
Installing Compressor
262
Vacuum-Pumping
262
Method to Fully Open PMV Manually
262
Refrigerant Charging
262
Check Procedure to Search Cause of Compressor Oil Shortage
263
12 Outdoor Unit Parts Replacement Methods
267
Inverter Assembly
271
Reactor Assembly
272
Product Front View
276
Product Rear View
276
Pipe Fixing Rubber
279
Configuration of Inverter Assembly
286
List of Service P.C. Boards
286
P.C. Board Exchange Procedures
286
Replacement of Outdoor P.C. Board
286
Interface P.C. Board (MCC-1673) Replacement Procedure
288
Comp-IPDU P.C. Board (MCC-1669) Replacement Procedure
290
Comp-IPDU P.C. Board (MCC-1669) Replacement Procedure
292
Comp-IPDU P.C. Board (MCC-1660) Replacement Procedure
294
Fan-IPDU P.C. Board (MCC-1659) Replacement Procedure
296
Noise Filter P.C. Board (MCC-1608A, B) Replacement Procedure
298
Line Filter Installation
299
Noise Filter P.C. Board (MCC-1608A, B) Replacement Procedure
300
Noise Filter P.C. Board (MCC-1608A, B) Replacement Procedure
302
14 Exploded Diagram/Parts List
304
SMMS-E OUTDOOR UNIT
311
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