User Manuals: Daikin MA 90CK7V1 Air Conditioner

Manuals and User Guides for Daikin MA 90CK7V1 Air Conditioner. We have 1 Daikin MA 90CK7V1 Air Conditioner manual available for free PDF download: Service Manual

Daikin MA 90CK7V1 Service Manual

Daikin MA 90CK7V1 Service Manual (72 pages)

cooling only multi-system room air conditioners

Brand: Daikin | Category: Air Conditioner | Size: 2 MB

Table of Contents

Contents
2
Specification
3
Table of Functions
3
Explanation of Functions
4
Type Selecting Function
4
Capability Selection of Indoor Units
4
Setting of Initial State
4
When Operation Requirement Signal Turns into Absence
5
Setting Opening
5
Restart Delay
6
Time Shortening
6
Capacity Control Function
6
Forced on of Capacity Control Valve
6
Diagnosis of Troubles
7
Units will Not Operate at All
8
Wiring Diagrams
11
Indoor Unit Input/Output Chart
15
Outdoor Unit PC Board Configuration and Input/Output Chart
16
PC Board Configuration
16
Input/Output Chart
16
Main Functions of Indoor Unit
17
Operation Data-Hold Function
17
Thermo-Control
17
Control According to Outdoor Air Temperature
17
Heating over Load Control
18
3 Step Flow
19
Autoswing and Auto Shut off Function
20
Hot Start
20
Auto Fan Speed Control
20
Auto Fan Speed Linear
20
Heater Control
21
Thermostat Control
21
Emergency Operation Function
22
Control Function Changing Jumper
22
Conditions for Heater off
22
Printed Circuit Board
23
WALL Mounted TYPE
23
FLOOR Standing Type
23
Main Functions of Outdoor Unit
24
Forced Cooling
24
Mode Batting
24
Defrosting Operation
24
Peak Cut
25
Cooling/Dry Peak Cut
25
Pressure Equalizing Control
25
Year Round Cooling
25
Overall Current Control
26
Calculation Formula
26
Cool/Heat Selector Specifications
26
Judging Method
26
Failure Diagnosis and Test Operation by Remote Controller
30
Push Operation Mode Selector Button
30
Check the Display
30
Test Operation
30
To Stop Test Operation
31
Test Operation Only
31
Fault Diagnosis
32
Breakdown Diagnosis Using Wireless Remote Controller
32
Outdoor Unit
33
Printed Circuit Board Diagnostic Flow Chart
40
Diagnosis 1
55
Outdoor Unit Main Functions
59
When Turning on the Power Supply
59
At Time of Operation Start
59
Model Selection Function
59
Degree of Opening Settings
60
Phase Failure Protection Device
60
Indoor Unit
61
Service Manual
71

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