LG MULTI V ARNH423K3A4 Installation Manual page 40

INSTALLING THE WATER CIRCUIT
Water Circuit Components
local, state, and federal codes.
Sensor Cable Installation (See also the Wiring section)
1. Choose a route for the cable (use the 39 foot [12 m] cable included with the sensor well) from
the sensor well to the Hydro Kit PCB so that the cable is protected from damage, foot traffic, and
extreme weather and temperature conditions.
• Damage to the sensor cable will result in electric shock, fire, physical injury, and / or death.
• Before installing the cable, verify that the power is OFF. If not, it will result in electric shock, physi-
cal injury, and / or death.
2. Loosely secure the cable about every three (3) feet with cable ties. To avoid damaging the sen-
sor cable, do not pull the ties too tight.
3. Route the sensor cable through the Hydro Kit frame and into the control panel area. If the cable
passes through an access hole with sharp edges, install field-supplied protective grommets to
avoid damage to the cable.
4. Find the red CN-TH4 connector on the Hydro Kit PCB. Inspect the leads and pins of the sensor
cable plug, looking for bent pins and loose connections between the wire leads and the metal pins. If not damaged, insert the sensor
cable plug into CN-TH4.
5. Verify the connection is secure.
• If the application includes an indirect hot water storage tank, and an indirect hot water storage tank sensor is not connected, Error Code
CH08 will appear.
• The indirect hot water storage tank / sensor is not necessary if the application is for only floor heating.
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Due to our policy of continuous product innovation, some specifications may change without notification.
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Figure 20: Water Tank Sensor Well and
Sensor Connection.
Water Tank
Thermistor
Male Plug End
CN-TH4