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[ II Restrictions ]
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HWE08040 GB
1) SW4-4: OFF (Compressor ON/OFF, Low-noise mode)
*1. When SW4-4 on the outdoor unit in one refrigerant circuit system is set to ON , this function cannot be used.
*2. This function and the 4 levels or 8 levels on-DEMAND function can be used together. Input the order to CN3D 1-2P on
the outdoor unit whose SW4-4 is set to OFF.
2) When SW4-4 on one outdoor unit in one refrigerant circuit system is set to ON (4 levels of on-DEMAND)
(*3)
*3. Input the order to CN3D on the outdoor unit whose SW4-4 is set to ON.
3) When SW4-4 on the two outdoor units in one refrigerant circuit system is set to ON (8 levels of on-DEMAND)
(*4, *5)
*4. Input the order to CN3D on the outdoor unit whose SW4-4 is set to ON.
*5. CN3D of No. 1, 2, 3 can be selected arbitrary with the outdoor unit whose SW4-4 is set to ON.
CN3D 1-3P Compressor ON/OFF
*1
Open Compressor ON
Short-circuit Compressor OFF
CN3D 1-2P Low-noise mode
*2
Open OFF
Short-circuit ON
CN3D 1-2P
CN3D 1-3P Open Short-circuit
Open 100% (No DEMAND) 75%
Short-circuit 0% (Compressor OFF) 50%
8 levels of on-DEMAND No.2 CN3D
1-2P Open Short-circuit
No.1 CN3D 1-2P 1-3P Open Short-circuit Open Short-circuit
Open Open 100% 50% 88% 75%
Short-circuit 50% 0% 38% 25%
Short-circuit Open 88% 38% 75% 63%
Short-circuit 75% 25% 63% 50%
If the step listed as the wrong example above is taken, thermo may go off.
The percentage of the demand listed in the table above is an approximate value based on the
compressor volume and does not necessarily correspond with the capacity.
When this function is enabled, the night mode cannot be enabled.
(Wrong)
(Correct)
100%
100%
0%
75%
50%
50%
Demand control
steps
Note the following steps to be taken when using the STEP DEMAND
(Example) When switching from 100% to 50%