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Air Conditioner
MMY-MAP0804HT8(Z)(ZG)-E
Page 31 (2-Way Air Discharge Cassette Type 2 Series)
Toshiba MMY-MAP0804HT8(Z)(ZG)-E - 2-Way Air Discharge Cassette Type 2 Series
370 pages
Manual
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30
1-2-6.
2-way Air Dischar
ge Cassette Type
2 series
Models:
MMU-AP0072WH,
AP0092WH,
AP0122WH,
AP0152WH,
AP0182WH,
AP0242WH,
AP0272WH, AP0302WH, AP0482WH
30
32
Table of Contents
Main Page
Default Chapter
1
Cooling Only Model
1
Heat Pump Model
1
Service Manual
1
Table of Contents
2
Original Instruction
6
Warning Indications on the Air Conditioner Unit
8
Precautions for Safety
9
Declaration of Conformity
14
Specifications
15
Carrying in the Outdoor Unit
17
Adding Refrigerant
20
New Refrigerant (R410A)
22
1 Wiring Diagrams
24
Outdoor Unit
24
Indoor Unit
26
4-Way Air Discharge Cassette Type
26
Compact 4-Way Cassette Type
27
1-Way Air Discharge Cassette Type (Compact Type)
28
1-Way Air Discharge Cassette Type SH 2 Series
29
2-Way Air Discharge Cassette Type 1 Series
30
2-Way Air Discharge Cassette Type 2 Series
31
Concealed Duct Standard Type
32
Concealed Duct High Static Pressure Type
33
Slim Duct Type
35
Under Ceiling Type
36
High Wall Type 2 Series
37
High Wall Type 3 Series
38
Floor Standing Cabinet Type
39
Floor Standing Concealed Type
40
Floor Standing Type
41
Fresh Air Intake Indoor Unit for S-MMS
42
2 Parts Rating
44
Outdoor Unit
44
Outdoor Unit (60Hz Model: MMY-MAP 4HT7)
45
Outdoor Inverter
46
Map 4T8-Sg)
46
Outdoor Inverter (60Hz Model: MMY-MAP 4HT7)
47
Indoor Unit
48
Parts Layout in Outdoor Unit
54
Parts Layout in Inverter Assembly
56
Outdoor (Inverter) Print Circuit Board
58
Interface P.C. Board (MCC-1606)
58
Inverter P.C. Board for Compressor (MCC-1596) A3-IPDU
59
Inverter P.C. Board for Fan (MCC-1610)
60
3 Refrigerant Piping Systematic Drawing
61
Heat Exchanger
64
4 Combined Refrigerant Piping System Schematic Diagrams
65
C or Above)
65
Normal Operation (COOL Mode) - Low Outside Air Temperature (Roughly below 20 °C)
66
Normal Operation (HEAT Mode)
67
Emergency Operation (Cooling Operation under Header Outdoor Unit Backup Scenario)
68
Emergency Operation (Heating Operation under Header Outdoor Unit Backup Scenario)
69
Refrigerant Recovery from Failed Outdoor Unit
70
Unit Backup Scenario)
70
5 Control Outline
71
Control Specifications
71
6 Applied Control and Functions (Including Circuit Configuration)
86
Indoor Controller Block Diagram
86
When Main (Sub) Remote Controller Connected
86
When Wireless Remote Controller Kit Connected
89
Indoor Printed Circuit Board
95
Optional Connector Specifications of Indoor P.C. Board
98
Test Operation of Indoor Unit
99
Method to Set Indoor Unit Function DN Code
100
Applied Control of Indoor Unit
104
Applied Control for Outdoor Unit
107
Outdoor Fan High Static Pressure Shift
107
Priority Operation Mode Setting
108
Applied Control of Outdoor Unit
110
Power Peak-Cut Control (Standard)
111
Power Peak-Cut Control (Extended)
112
External Master ON/OFF Control
113
Snowfall Fan Control
113
Night Operation (Sound Reduction) Control
114
Operation Mode Selection Control
115
Error/Operation Output
116
Compressor Operation Output
117
Operating Rate Output
118
7 Test Operation
119
Procedure and Summary of Test Operation
119
Check Items before Test Operation (before Powering-On)
120
Check at Main Power-On
124
Address Setup
125
Precautions
125
Address Setup and Check Procedure
125
Address Setup Procedure
126
Check after Address Setup When Central Control System Is Connected
139
Troubleshooting in Test Operation
140
A Check Code Is Displayed on the Remote Controller
140
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 Header Unit
141
Remote Controller
141
There Is no Display of a Check Code on the 7-Segment Display on the Interface PC Board of
141
In Checking the Number of Connected Outdoor Units and Connected Indoor Units after Ad
142
Units that Do Not Operate in a Test Operation.)
142
Test Operation Check
144
Fan Check
144
Cooling/Heating Test Operation Check
145
Service Support Function
149
Check Function for Connecting of Refrigerant and Control Lines
149
Function to Start/Stop (ON/OFF) Indoor Unit from Outdoor Unit
151
Error Clearing Function
156
Remote Controller Distinction Function
158
Pulse Motor Valve (PMV) Forced Open Fully/Close Fully Function in Outdoor Unit
159
Pulse Motor Valve (PMV) Forced Open/Close Function in Indoor Unit
159
Solenoid Valve Forced Open/Close Function in Outdoor Unit
160
Fan Operation Check in Outdoor Unit
161
Abnormal Outdoor Unit Discrimination Method by Fan Operating Function
162
Manual Adjustment Function of Outside Temperature (TO) Sensor
163
Monitor Function of Remote Controller Switch
165
8 Troubleshooting
167
Overview
167
Troubleshooting Method
168
Troubleshooting Based on Information Displayed on Remote Controller
174
Check Codes Displayed on Remote Controller and SMMS-I Outdoor Unit (7-Segment Display on I/F Board) and Locations to be Checked
179
Errors Detected by Tcc-Link Central Control Device
193
Diagnosis Procedure for each Check Code
195
7-Segment Display Function
226
Oil Level Judgment Display
232
Leakage/Clogging of Refrigerating Cycle Circuit
233
Sensor Characteristics
237
Pressure Sensor Output Check
240
9 Backup Operation (Emergency Operation)
242
Note for Backup Operation
242
Compressor Backup Operation Setting
243
Outdoor Unit Backup Operation Setting
244
Follower Outdoor Unit Backup Operation Setting (Failure of Follower Outdoor Unit)
244
Header Outdoor Unit Backup Operation Setting (Failure of Header Outdoor Unit)
246
Cooling-Season Outdoor Unit Backup Operation Setting
248
10 Outdoor Unit Refrigerant Recovery Method
249
Refrigerant Recovery from Failed Outdoor Unit (Pump-Down)
249
Note for Refrigerant Recovery Operation
249
Refrigerant Recovery Procedure a (Case of no Outdoor Unit Backup Operation Setting)
249
Refrigerant Recovery Procedure B (Case of Outdoor Unit Backup Operation Setting)
252
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
Check Procedure to Search Cause of Compressor Oil Shortage
261
12 Outdoor Unit Parts Replacement Methods
264
13 C. Board Exchange Procedures
277
Replacement of Indoor P.C. Boards
277
And the Remote Controller
280
Replacement of Outdoor P.C. Boards
284
List of Service P.C. Boards
284
Configuration of Inverter Assembly
284
Interface Board (MCC-1606) Replacement Method
285
Comp-IPDU P.C. Board (MCC-1596) Replacement Procedure
286
Fan IPDU P.C. Board (MCC-1610) Replacement Procedure
288
Noise Filter P.C. Board (MCC-1608 A, B) Replacement Procedure
289
14 Exploded Diagram/Parts Price List
292
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