LG HM121HF UB60 Installation Manual page 77

Air-to-water heat pump
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[Thermistor for Mixing circuit]
Sensor
Follow below procedures step 1 ~ step 4.
Step 1. Install sensor connector to discharge pipe of mix pump.
(Welding must be performed to connect the sensor connector to the pipe)
Step 2. Check if the power of the unit is turned off.
Step 3. Fasten the sensor connector to the sensor holder as shown in the figure below.
Step 4. Insert harness into PCB(CN_MIX_OUT) fully and fix the thermal sensor into tube
connector as shown below.
Sensor Holder
ACCESSORIES INSTALLATION
Sensor Connector
77

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