02-04
Cancel conditions
Normal control
32rps fixed
(3) Limits the upper limit speed of the INV compressor according to the present high-pressure value.
(2) Heating starting process
At the start of heating, the compressor is started by the following process. Compressor start-up
to change the 4 way valve. Capacity control returns to normal control after the end of the starting process.
(target high-pressure control)
Starting process
Starting process
Starting process
Starting process
3 minutes elapsed from start of process
or
High-pressure 2.63MPa
20 minutes elapsed from start of process
or
High-pressure 2.63MPa
or
Discharge SH 10 and Discharge temperature 10
[ a ] = 1.25 Low pressure value 2.125
High Pressure
3.60MPa
3.30MPa
(Maximum) 3.00MPa
Maximum speed = 80rps
Maximum speed = 90rps
Maximum speed = 95rps
Maximum speed = 100rps
[ a ]
< Starting process >
Compressor operates based on the required capacity at the start up, after that the target high-pressure
control begins.
*However, when the following condition (A) or (B) are satisfied, starting process is not performed.
< Conditions under which starting process is not performed >
(A) The compressor temperature 32 , when the room temperature reached to the setting temperature
( Thermostat - OFF controlling )
(B) The compressor temperature 32 , when the system keeps heating mode with stop condition
< Operation >
Compressor operation speed
4rps/Min
Summary of Contents for ARXB07LALH
Page 1: ...Small VRF system for light commercial and home use SERVICE MANUAL...
Page 2: ......
Page 6: ......
Page 7: ...1 TEST RUN...
Page 8: ......
Page 27: ...2 OUTDOOR UNIT OPERATION CONTROL...
Page 28: ......
Page 42: ......
Page 43: ...3 INDOOR UNIT OPERATION...
Page 44: ......
Page 63: ...4 TROUBLE SHOOTING...
Page 74: ......
Page 171: ...5 APPENDING DATA UNIT...
Page 172: ......
Page 174: ...05 02 5 2 WIRING DIAGRAM 5 2 1 Indoor Unit MODELS AUXB07 09 12 14 18 24LALH...
Page 175: ...05 03 MODELS AUXD18 24LALH AUXA30 36 45 54LALH...
Page 176: ...05 04 MODELS ARXB07 09 12 14 18LALH...
Page 177: ...05 05 MODEL ARXB24LATH MODELS ARXB30 36LATH...
Page 178: ...05 06 MODEL ARXB45LATH...
Page 179: ...05 07 MODEL ARXA24LATH MODELS ARXA30 36 45LATH...
Page 180: ...MODELS ARXC36 45LATH 05 08...
Page 181: ...05 09 MODELS ARXD07 09 12 14 18 24LATH...
Page 182: ...MODELS AB A12 14 18 24LBTH 05 10...
Page 183: ...05 11 MODELS AB A30 36 45 54LBTH...
Page 184: ...MODELS AS A07 09 12 14LACH 05 12...
Page 185: ...MODELS AS E07 09 12 14LACH 05 13...
Page 186: ...MODELS AS A18 24 30LACH 05 14...
Page 187: ...05 15 MODELS AJ A36 45 54LALH 5 2 2 Outdoor Unit...
Page 192: ......
Page 193: ...6 DISASSEMBLY PROCESS...
Page 194: ......