Sanyo SAP-CRV123EH User Manual Page 36
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- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
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36
■ Overload prevention during heating
9-2. Protective Functions
During HEAT operation, the temperature of the indoor heat
exchanger is used to control the frequency and lessen the load
on the compressor before the protective device is activated.
■ Cold-air prevention during heating
■
Compressor discharge temperature control
During heating, the fan speed is set to “LL” (very low) or stopped.
As the temperature of the indoor heat exchanger rises, the fan
speed is changed to the set speed.
■ Freeze prevention
During COOL or DRY operation, freezing is detected and
operation is stopped when the temperature of the indoor heat
exchanger matches the conditions below.
1
Freeze-prevention operation is engaged when the
temperature of the indoor heat exchanger is below 6°C.
2
Restart after freeze-prevention operation occurs when the
temperature of the indoor heat exchanger reaches 8°C or
above.
a
Area: Automatic capacity control
b
When Point A has been exceeded, the operation frequency is
reduced by a certain proportion.
c
Area: Frequency increase is prohibited.
d
At Point B and below, overload prevention is ended and
control is the same as in the
a
area.
a
Area: Automatic capacity control
b
When the temperature drops below Point A, the operation
frequency is reduced by a certain proportion.
c
Area: Frequency increase is prohibited.
d
When the temperature reaches Point C or above, freezing
prevention is ended and control is the same as in the
a
area.
* When the temperature drops to below 2°C (continuously for 2
minutes or longer), the compressor stops.
Once the freeze condition is detected, the air conditioner will
work less than the maximum frequency until it is turned off.
Approx.
53
Normal operation
At start of operation
A
High
LL
Stopped
A
*
B
C
B
Indoor heat exchanger
A. Control start
B. Control end
Set fan speed
25 30 Approx. 40
abc d
abcd
Indoor heat exchanger
temperature (°C)
Indoor heat exchanger
temperature (°C)
Indoor heat exchanger
temperature (°C)
Approx.
47
2
6
8
NOTE
• The fan speed is forcibly changed to “LL” beginning 30 seconds
after the thermostat turns OFF.
• Normal operation refers to operation when the room
temperature has approached the set temperature.
• When HEAT operation starts, the indoor fan is stopped until the
temperature of the indoor heat exchanger reaches 20°C or
higher, or until the room temperature reaches 15°C or higher.
This function controls the operation frequency to prevent the
compressor discharge temperature from rising more than a
specified temperature.
a
Area: Automatic capacity control.
b
When the temperature rises above Point A, the operation
frequency is reduced at a specified rate.
c
Area: Further frequency increase is prohibited.
d
When the temperature falls below Point B, prevention of a rise
in frequency is released and the air conditioner operates as in
a
area.
* The compressor will stop if the temperature of the compressor
discharge exceeds 120°C due to shortage of gas or other
reason.
Approx.
101
A
B
abc d
Compressor discharge temperature (°C)
Approx.
94
- SAP-KRV93EH + SAP-CRV93EH 1
- SAP-KRV123EH + SAP-CRV123EH 1
- IMPORTANT! 2
- Please Read Before Starting 2
- Table of Contents 3
- 1. OPERATING RANGE 4
- 2. SPECIFICATIONS 5
- Indoor Unit SAP-KRV123EH 6
- Outdoor Unit SAP-CRV123EH 6
- 2-2-1. Indoor Unit 7
- 2-2-2. Outdoor Unit 9
- Outdoor Unit SAP–CRV123EH 10
- 3. DIMENSIONAL DATA 12
- ID:2-ø23.6 13
- SAP-CRV123EH SAP-CRV123EH 14
- Indoor unit Outdoor unit 14
- IMPORTANT 14
- 5-1. Temperature Charts 15
- Indoor Air Temp.23°C 16
- Indoor Unit SAP–KRV93EH 17
- Indoor Unit SAP–KRV123EH 18
- 6. ELECTRICAL DATA 23
- Meaning of Abbreviations 24
- 7. INSTALLATION INSTRUCTIONS 26
- 7-1-2. Outdoor Unit 27
- GROUNDING LINE 28
- 7-3-1. Mounting on a Wall 29
- OPERATION lamp 30
- TIMER lamp 30
- QUIET lamp 30
- Indoor Unit 31
- Control Unit 32
- Pull the cover upward 33
- 9. FUNCTIONS 34
- 30 min. 5 min 35
- 9-2. Protective Functions 36
- Defrosting Sequence 37
- 10. TROUBLESHOOTING 38
- Self-diagnostics Lamps 39
- ■ Checking the indoor unit 40
- ■ Checking the outdoor unit 40
- ■ Noise malfunction 42
- Resistance 43
- PCB Ass’y 44
- 12. REFRIGERANT R410A: 45
- INSTRUCTION MANUAL 52
- APPENDIX 52
- Features 53
- Contents 54
- Product Information 54
- Alert Symbols 54
- Installation Location 55
- Electrical Requirements 55
- Safety Instructions 55
- Names of Parts 56
- OI-671-6-EG 57
- OI-671-7EG 58
- OI-671-8-EG 59
- OI-671-9EG 60
- Using the Remote Control Unit 61
- OI-671-11EG 62
- OI-671-12-EG 63
- OI-671-13EG 64
- OI-671-14-EG 65
- OI-671-15EG 66
- OI-671-16-EG 67
- Special Remarks 68
- Setting the Timer 69
- OI-671-19EG 70
- Using the 1-Hour OFF Timer 71
- Tips for Energy Saving 71
- OI-671-21EG 72
- Operation without the Remote 73
- Care and Cleaning 73
- Care and Cleaning (continued) 74
- OI-671-24-EG 75
- Troubleshooting 76
- Operating Range 76
- SM700590 FEB/2004 77
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