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ACCESSORIES INSTALLATION
Follow below procedures step 1 ~ step 4.
Step 1. Check if the power of the unit is turned off.
Step 2. Disassemble front panels and Distinguish control box(Indoor) of the unit.
Step 3. Check if the harness(White) is inserted fully to the indoor unit PCB (CN_MODBUS).
Step 4. Connect the external pump to terminal block 2(21/22).
Meter Interface
This accessory (PENKTH000) can be used to connect 3rd-party wattmeter (max. 3) using pulse
input or Modbus and one heatmeter using pulse input.
The consumed electric power and/or produced thermal energy is displayed on the remote
controller.
How to install Meter Interface
[Parts of Meter interface]
AB
21 22 21 : Black
22 : White
3
rd
PARTY
CONTROLLER
Meter interface
Indoor PCB
CN_MODBUS
NOTE
• If CN_MODBUS port is used to interlink with 3rd-party controller, the metering module cannot
be connected at the same time.
• Refer to manual of PENKTH000 for more information.
Meter interface body
TB 2
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