132 Universal System Air Conditioner
Outdoor Units
2.2 Low ambient control
Low ambient cooling case : In this situation outdoor fan works in ON/OFF control.
: If the pipe temperature 0°C and it is falling rapidly in that case compressor will run for 5 min & then it will go in
low ambient control. (
❈
Temp. value can be different for each model.)
❈
After the system is stopped by CT cut or heat sink cut-off then the cycle returns to the normal condtiond control.
2.3 Oil return control
2.3.1 Operating Contion
1) When the continuous running time is over 3hr.(option), oil returning operation is made for 3min.
In case of the initial operation, oil returning operation is made, after completing initial operation.
2) After defrost and oil returning operation, the continuous running time is resetted.
2.3.2 Operation Process
1) EEV-Full open, Hot gas bypass valve-On
2) Compressor Step-70Hz (Option)
3) Reversing valve-Off(Process of Off/On, follows defrost operating.)
4) Outdoor Fan-Low step
(T1 = 0)
°
C
(T2 = 0)
°
C
Outdoor pipe temp
O/D fan
Set speed
Off
Off
Set speed
Set speed
Содержание ABNH366GLAC
Страница 64: ...64 Universal System Air Conditioner II Outdoor Units Introduction 65 AUUW C R410A 67 ...
Страница 72: ...72 Universal System Air Conditioner Inverter SINGLE A AUUW368C AUUW368C1 3 Wiring Diagrams ...
Страница 73: ...Service Manual 73 Inverter SINGLE A AUUW42 48 608C ...
Страница 107: ...Electronic Control Device Service Manual 107 Main P C B ASM A 6871A10209 B 58 Ceiling Cacsette Type ...
Страница 108: ...Electronic Control Device 108 Universal System Air Conditioner BG BR Series Ceiling Duct Type ...
Страница 109: ...Electronic Control Device Service Manual 109 VK VL Series Ceiling Suspended ASM 6871A10025 ASM 6871A10186 ...
Страница 110: ...Electronic Control Device 110 Universal System Air Conditioner Outdoor Unit 1 Component side ...
Страница 111: ...Electronic Control Device Service Manual 111 2 Solder side ...
Страница 113: ...Schematic Diagram Service Manual 113 Ceiling Cassette Type ...
Страница 114: ...Schematic Diagram 114 Universal System Air Conditioner Ceiling Duct Type ...
Страница 115: ...Schematic Diagram Service Manual 115 Ceiling Suspended ...
Страница 116: ...Schematic Diagram 116 Universal System Air Conditioner G G N L N L C 3 C 2 C 4 C 1 Outdoor Unit ...
Страница 154: ...P No MFL30301501 Printed in Korea ...