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WHEN CONNECTING THE DEMAND CONTROLLER INPUT
WHEN CONNECTION TO THE FORCED STOP INPUT
With the Forced Stop input, it is possible to override the air conditioning operation to force a stop if a signal is receiv
ed from a fire ala
rm device, etc.
Fire alarm device
Terminal block
Relay contact point: No voltage relay
Current input is DC 24 V 2 mA
Use a very small electric current contact point for the relay.
Connect the wiring (2-wire) to points 1 and 2 on the left side of the terminal block.
The shield part of the shielded cable is connected with (functional earthing) under the terminal block.
Secure the wiring with the cord clamp located on the lower part of the terminal block.
WHEN CONNECTING TO THE NEXT SYSTEM UNIT
Forced Stop input can be transferred to the next system unit.
When using the Forced Stop input, connect the wiring to the terminal points 1 and 2 on the right side of the lower part of the terminal block.
The maximum wire/cable length is 100 m.
The demand control cannot be transferred to the next system unit.
When transferring to the next system, the maximum number of connecting units is 30.
1. Connecting the wining to the lower part of the terminal block.
When transferring the Forced Stop input to the next system connect the wiring (2-wire) to the terminal points 1 and 2 at the lower right side of the terminal block.
The shield part of the shielded cable is connected with (functional earthing) under the terminal block.
Secure the wiring with the cord clamp located on the lower part of the terminal block.
2. Connecting the shielded cable to the terminal block for the next system.
For the Forced Stop input, connect the wiring to the terminal points 1 and 2 at the lower right side of the terminal block.
When connecting to the next system be sure to connect to the appropriate terminal point due to the polarity.
It is possible to choose various demand levels.
See the table shown on the right.
LV3 LV2 LV1 COM
DEMAND
Forced
Stop
To the next
System
1
2
1
2
(Functional earthing)
DRED (Demand controller)
LV3 LV2 LV1 COM
Terminal block
Relay contact point: No voltage relay
Current input is DC 24 V 10 mA
Termrial no. for
demand section
Description
LV1
Approx. 75% of rated power input
LV2
Approx. 50% of rated power input
LV3
Compressor off
Connect the wiring (4-wire) to the Demand section (LV1, LV2, LV3, COM) on the terminal block.
The shield part of the shielded cable is connected with (functional earthing) under the terminal block.
Secure the wiring with the cord clamp located on the lower part of the terminal block.
(Functional earthing)
LV3 LV2 LV1 COM
DEMAND
Forced
Stop
To the next
System
1
2
1
2
DEMAND
Forced
Stop
To the next
System
1
2
1
2
LV3 LV2 LV1 COM
LV3 LV2 LV1 COM
DEMAND
Forced
Stop
To the next
System
1
2
1
2
Demand control cannot be transferred to the next system
Connection terminal block for next system outdoor unit
(Functional earthing)
Cord clamp
Connecting line to the next system outdoor unit
Be sure to connect to the appropriate terminal point due to the polarity.
(Functional earthing)
(Functional earthing)
Next system outdoor unit
To the next system outdoor unit
(Functional earthing)
SM830276-00_欧州向け R32シングル TD&SM.indb 18
2019/02/27 11:54:31
Содержание S-50PU2E5B
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