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1. SPECIFICATIONS
4
1-1 Unit specifications
4
1-2 Major Component specifications
6
1-3 Other Component specifications
8
2. DIMENSIONAL DATA
9
3. PERFORMANCE DATA
10
3-1 Air Throw Distance Chart
10
4. ELECTRICAL DATA
12
4-1 Electric Wiring Diagrams
12
5. FUNCTION
13
5-1 System operation control
13
5-2 Cool Mode Operation
14
5-3 Heat Mode Operation
14
5-4 Auto Mode Operation
15
5-5 Dry Mode Operation
16
5-6 Fan Mode Operation
16
5-7 Auto Fan Speed
16
5-8 Forced-Mode
17
5-9 Protection Operations in indoor unit
17
5-10 Protection Operation outdoor unit
18
5-11 Defrost
19
5-12 I Feel Function
19
5-13 Hi Power mode
19
5-14 Night Function
20
5-15 Leds off function
20
5-16 Capacity Test Mode
20
5-17 Diagnostic
21
5-18 Indoor unit jumpers Configuration
22
5-19 Outdoor unit jumpers Configuration
23
5-20 Contacts for building automation
24
5-21 Maintenance
25
6. TROUBLESHOOTING
26
6-1 Check before and after troubleshooting
26
6-2 Circuit Breaker Trips or Fuse Blows
26
6-3 Unit does not run
27
6-4 Outdoor unit does not run and no fault is displaied
29
6-5 Only outdoor unit is off
29
6-6 Fault on outdoor unit
30
6-7 Air Conditioner operates, but abnormalities are observed
31
6-8 Noisy problem
33
7. CHECKING ELETRICAL COMPONENTS
34
7-1 Measurement of Insulation Resistance
34
7-2 Checking Continuity of Fuse on PCB Assy
35
Table of Contents
3
Summary of Contents for 38.7104.050
Page 9: ...2 DIMENSIONAL DATA MRAF98R5IAA MRAF128R5IAA 9...
Page 12: ...4 ELECTRICAL DATA 4 1 Electric Wiring Diagrams MRAF98R5IAA MRAF128R5IAA 12...
Page 27: ...6 3 SYSTEM DOES NOT RUN 27...
Page 29: ...6 4 OUTDOOR UNIT DOES NOT RUN AND NO FAULT IS DISPLAIED 6 5 ONLY OUTDOOR UNIT IS OFF 29...
Page 30: ...6 6 OUTDOOR UNIT FAULT SIGNALING 30...
Page 32: ...32...
Page 33: ...6 8 NOISY PROBLEM 33...
Page 34: ...7 CHECKING ELETRICAL COMPONENTS 7 1 34...
Page 35: ...7 2 35...
