LG THERMA V HN0913T Installation Manual page 79

How to Wire Mixing Kit
Follow below procedures Step 1 ~ Step 3.
Step 1. Uncover front cover of the unit.
Step 2. Find terminal block and connect wire as below
7 8 9 10
L N L1 L2
MIX
MIXING VALVE
PUMP
(L) (N) (L1)
MIX
MIXING VALVE
PUMP
Step3. Insert the temperature sensor to 'CN_MIX_OUT' (Brown) of the main PCB as shown
below. The sensor should be mounted correctly to discharge pipe of mix pump as shown
below.
Indoor PCB
NOTE
• The location of the external pump may vary depending on the installer settings.
• Temperature sensor specification:
Type : Thermistor,NTC
Resistance at 25 °C : 5 kΩ
Minimum operating temperature range : -30 °C~100 °C
11
(L) : Live signal from PCB to mix pump
N
(N) : Neutral signal from PCB to mix pump
(L1) : Live signal (for Normal* Closed type) from PCB to
mixing valve
(L2) : Live signal (for Normal Open type) from PCB to mixing
(L2) (N1)
valve
(N1) : Neutral signal from PCB to mixing valve
*Closed = NOT Mixed
CN_MIX_OUT
Buffer
Tank
ACCESSORIES INSTALLATION
[Circuit 2] Mixing Circuit
Mixing circuit temp. sensor
Mix
Mix Kit
Floor heating loop
[Circuit 1] Direct Circuit
Radiator
79
Floor heating loop
Radiator