Electra OU10-47T ST Manual de servicio Pagina 36
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CONTROL SYSTEM
11-1
SM SAFRPM 1-A.0 GB
11. CONTROL SYSTEM
11.1 SAFETY CONTROL
11.1.1 Time delay safety control
a. 3 minutes delay for compressor—the compressor is ceased for 3 minutes to balance the
pressure in the refrigenration cycle in order to protect the compressor.
b. 2 minutes delay for 4-way valve—The 4-way valve is ceased for 2 minutes to prevent the
refrigenrant-gas abnormal noise when the HEATING operation is OFF or switch to the other operation
mode.
11.1.2 Indoor pipe temperature sensor frost prevention control
When the indoor pipe temperature sensor reads 0
O
Cor below for 5 minutes, the indoor pipe temperature
sensor frost prevention control starts. The compressor and outdoor fan stop and the indoor fan operates
at high speed for 3 minutes. After that, if the indoor pipe temperature sensor reads less than 5
O
C this
control prolonged until the indoor pipe temperature sensor reads 5
O
C or more.
11.1.3 High temperature protection control
During HEATING operation, the outdoor fan motor and compressor are controlled by the indoor pipe
temperature to prevent the high temperature of compressor.
Outdoor fan OFF: when the indoor pipe temperature is ≥53
O
C Outdoor fan ON: when the indoor pipe
temperature is ≤48
O
C Compressor OFF: when the indoor pipe temperature is ≥62
O
C Compressor ON:
when the indoor pipe temperature is ≤48
O
C
11.2 “I Feel” Model Operation
11.2.1 When the “I Feel” mode is selected,
the operation mode and initial set temperature
are determined by the initial room temperature at start-
up of the operation except to turn off the air conditioner and operates it again.
11.2.2 If the mode is change to “I Feel” mode form other mode,
the “I Feel” mode doesn’t operate until compressor stop for more than 3 minutes
In the “I Feel” mode, when the controller receives the up or down single of temperature, the set
temperature can adjust by 1
O
C upper or lower. The biggest you can adjust by 2
O
C upper or lower.
11.3 “COOLING” Mode Operation
11.3.1 When the COOLING mode is selected without setting temperature,
the system will set the set temperature at 26
O
C automatically with the AUTO FAN speed.
11.3.2 When selecting the COOLING mode operation,
the system will operate according to the setting by the remote controller and the operation is as
following:
CONTENTS
- SAF Fixed RPM Series 1
- LIST OF EFFECTIVE PAGES 2
- A SM SAFRPM 1-A.0 GB 2
- LIST OF EFFECTIVE PAGES 2
- Table of Contents 3
- 1. INTRODUCTION 4
- INTRODUCTION 5
- 2. PRODUCT DATA SHEET 6
- 2.2 SAF045 / OU10-47T R410A 7
- 2.3 SAF045 / GC 45 R22 8
- 3. RATING CONDITIONS 9
- 4. OUTLINE DIMENSIONS 10
- 11 2 . 5 11
- 5. PERFORMANCE DATA 12
- 5.2 SAF045 / OU10-47T R410A 14
- 5.3 SAF045 / GC 45 R22 16
- SM SAFRPM 1-A.0 GB 18
- 5.4.1 Cooling 18
- CONTENTS 18
- 5.4.2 Heating 19
- 5.5.1 Cooling 20
- 5.5.2 Heating 21
- 15 20 25 30 35 40 46 22
- 5.6.2 Heating 23
- SOUND LEVEL CHARACTERISTICS 24
- (Measured as Figure 2) 25
- Figure 2 25
- 7. WIRING DIAGRAMS 26
- WIRING DIAGRAMS 27
- 7.4 Outdoor Unit: GC 45 R22 29
- 8. ELECTRICAL DATA 31
- 9. REFRIGERATION DIAGRAMS 32
- 9.2 SAF045 / OU10-47T R410A 33
- 9.3 SAF045 / GC 45 R22 34
- 10. TUBING CONNECTIONS 35
- ¼” ⅜”½”⅝”¾” 35
- 11. CONTROL SYSTEM 36
- 11.4 “DRY” Mode Operation 37
- 11.5.5 Defrost 38
- 11.6 “FAN” mode operation 39
- 11.7 4-way valve control 39
- 11.8 “SLEEP” mode 40
- 11.9 Fan motor control 40
- 11.10 Auto fan speed control 40
- 11.12 TIMER Operation 41
- 11.13 Emergency Operation 41
- 11.15 Electron lock function 42
- CONTROL SYSTEM 43
- 12. TROUBLESHOOTING 44
- 13.1 Indoor Unit: SAF024 45
- 13.2 Indoor Unit: SAF024 46
- 13.3 Indoor Unit: SAF045 47
- 13.4 Indoor Unit: SAF045 48
- 13.5 Outdoor Unit: OU7-24 Z 49
- 13.6 Outdoor Unit: OU7-24 Z 50
- 13.7 Outdoor Unit: OU10-47T 51
- 13.8 Outdoor Unit: OU10-47T 52
- 13.9 Outdoor Unit: GC 45 R22 53
- APPENDIX A 55
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