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MMY-MAP0964FT9UL
Carrier MMY-MAP0964FT9UL User Manual
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– 44 –
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In
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ter P
.C. boar
d for fan motor (MCC-1610) F
AN-IPDU
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45
Table of Contents
Default Chapter
1
Service Manual
1
Table of Contents
2
Warning Indications on the Air Conditioner Unit
6
Precautions for Safety
7
Carrying in the Outdoor Unit
12
Adding Refrigerant
14
New Refrigerant (R410A)
15
1 Specifications
17
208/230V Model
17
Model
21
2 Wiring Diagram
25
Outdoor Unit
25
FS Unit (Flow Selector Unit)
29
External View
29
Installation Space
30
3 Parts Rating
31
Outdoor Unit (208/230V Model)
31
Outdoor Unit (460V Model)
32
Outdoor Inverter (208/230V Model)
33
Outdoor Inverter (460V Model)
34
Parts Layout in Outdoor Unit
35
Parts Layout in Inverter Assembly
37
Outdoor (Inverter) Print Circuit Board
41
Interface P.C. Board (MCC-1606)
41
Inverter P.C. Board for Compressor (MCC-1595) A3-IPDU for 208/230V Model : MMY-MAP 4FT9UL
42
For 460V Model : MMY-MAP
43
4Ft6Ul
43
Inverter P.C. Board for Compressor (MCC-1596) A3-IPDU for 460V Model : MMY-MAP 4FT6UL
43
Inverter P.C. Board for Fan Motor (MCC-1610) FAN-IPDU
44
Noise Filter P.C. Board (MCC-1608 -A, -B) for 208/230V Model : MMY-MAP 4FT9UL
45
Noise Filter P.C. Board (MCC-1625 -A, -B, -C) for 460V Model : MMY-MAP 4FT6UL
46
4 Refrigerant Piping Systematic Drawing
47
5 System Refrigeerant Piping Schematic Diagrams
51
All Cooling Mode (Operation of Cooling Only) When Outside Temperature Is High (Standard: 50°F or Higher) / Defrost Mode
52
All Cooling Mode (Operation of Cooling Only) When Outside Temperature Is Low (Standard: 50°F or Lower)
53
All Heating Mode (Operation of Heating Only)
54
Mainly Cooling Mode (Operating Cooling Function Mainly, Collective Operation of Cooling and Heating Operation)
55
Mainly Heating Mode (Operating Heating Function Mainly, Collective Operation of Cooling and Heating Operation)
56
Emergency Operation (All Cooling Operation at Backup of the Header Unit)
57
Emergency Operation (All Heating Operation at Backup of the Header Unit)
58
Refrigerant Recovery (During Pump-Down Operation) of the Troubled Outdoor Unit) (in Case of Trouble of Follower Unit)
59
6 Control Outline
60
7 Applied Control and Function
69
Applied Control for Outdoor Unit
69
Outdoor Fan High Static Pressure Shift
69
Applied Control Using Optional Board for Outdoor Unit
70
Power Peak-Cut Control (Standard): TCB-PCDM4UL
71
Power Peak-Cut Control (Extended) : TCB-PCDM4UL
72
Snowfall Fan Control : TCB-PCMO4UL
73
External Master ON/OFF Control : TCB-PCMO4UL
73
Night Operation (Sound Reduction) Control : TCB-PCMO4UL
74
Operation Mode Selection Control : TCB-PCMO4UL
75
Error/Operation Output : TCB-PCIN4UL
76
Compressor Operation Output : TCB-PCIN4UL
77
Operating Rate Output : TCB-PCIN4UL
78
8 Test Operation
79
Procedure and Summary of Test Operation
79
Check Items before Test Operation (before Poweringon)
80
Check at Main Power-On
85
Address Setup
86
Precautions
86
Address Setup and Check Procedure
86
Address Setup Procedure
87
Using the Remote Controller
93
Check after Address Setup When Central Control System Is Connected
100
Setting When Connecting Multiple Indoor Units to a FS (Flow Selector) Unit
101
How to Set up the Cooling Only Indoor Unit
102
Troubleshooting in Test Operation
103
A Check Code Is Displayed on the Remote Controller
103
Operation from the Indoor Remote Controller Is Not Accepted, and a Check Code Is
104
Displayed on the 7-Segment Display of the Interface PC Board of the Header Unit
104
There Is no Display of a Check Code on the 7-Segment Display on the Interface PC
104
From the Indoor Remote Controller
104
In Checking the Number of Connected Outdoor Units and Connected Indoor Units after
105
Address Setup, a Lower Number of Connected Units Is Displayed
105
(There Are Outdoor/Indoor Units that Do Not Operate in a Test Operation.)
105
Test Operation Check
107
Fan Check
107
Cooling/Heating Test Operation Check
108
Wired Remote Control
108
Confirmation of Test Operation
112
Function to Start/Stop (ON/OFF) Indoor Unit from Outdoor Unit
112
Error Clearing Function
118
Remote Controller Distinction Function
120
Pulse Motor Valve (PMV) Forced Open/Close Function in Indoor Unit
121
Solenoid Valve Forced Open/Close Function in Outdoor Unit
122
Fan Operation Check in Outdoor Unit
123
Abnormal Outdoor Unit Discrimination Method by Fan Operating Function
124
Manual Adjustment Function of Outside Temperature (TO) Sensor
125
Monitor Function of Remote Controller Switch
127
9 Troubleshooting
129
Overview
129
Troubleshooting Method
130
Troubleshooting Based on Information Displayed on Remote Controller
135
Check Codes Displayed on Remote Controller and SMMS-I Outdoor Unit (7-Segment Display on I/F Board) and Locations to be Checked
139
Diagnosis Procedure for each Check Code
154
7-Segment Display Function
184
Oil Level Judgment Display
190
Leakage/Clogging of Refrigerating Cycle Circuit
194
Flow Selector Unit (FS Unit)
198
Troubleshooting When Multiple Indoor Units Are Connected to Cool/Heat FS Unit
201
Sensor Characteristics
202
Pressure Sensor Output Check
205
10 Backup Operation (Emergency Operation)
207
Note for Backup Operation
207
Compressor Backup Operation Setting
208
Backup Setup for Outdoor Unit
209
11 Outdoor Unit Refrigerant Recovery Method
210
Refrigerant Recovery from Failed Outdoor Unit (Pump-Down)
210
Note for Refrigerant Recovery Operation
210
Refrigerant Recovery Procedure a (Case of no Outdoor Unit Backup Operation Setting)
210
How to Operate System While Failed Outdoor Unit Being Repaired
214
Work Procedure after Repair
215
12 Replacing Compressors
216
Compressor Replacement Procedure (Outline)
216
Replacement of Compressors
217
Check Procedure to Search Cause of Compressor Oil Shortage
221
13 Outdoor Unit Parts Replacement Methods
223
14 Board Exchange Procedures
243
List of Service P.C. Boards
243
Configuration of Inverter Assembly
243
Interface Board Replacement Procedure
245
Comp-IPDU P.C. Board (MCC-1595) Replacement Procedure
246
Comp-IPDU P.C. Board (MCC-1595) Replacement Procedure
248
Fan IPDU P.C. Board (MCC-1610) Replacement Procedure
250
Noise Filter P.C. Board (MCC-1608 A, B) Replacement Procedure
251
Noise Filter P.C. Board (MCC-1625 A, B, C)
254
15 Exploded Diagram / Parts List
257
Mmy-Map0724Ft9Ul
257
Mmy-Map0964Ft9Ul Mmy-Map1204Ft9Ul
264
Mmy-Map0724Ft6Ul
271
Mmy-Map0964Ft6Ul Mmy-Map1204Ft6Ul
278
Flow Selector Unit
285
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Carrier MMY-MAP0964FT9UL Specifications
General
Brand
Carrier
Model
MMY-MAP0964FT9UL
Category
Air Conditioner
Language
English
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