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ACCESSORIES INSTALLATION
98
DHW Tank Kit
This product can be used by connecting the DHW tank kit in the field. It can be utilized hot water
heated by booster heater in DHW tank.
How to install DHW tank kit
[Parts of DHW Tank Kit]
1
2
3
4
5
6
Tank kit body
Temperature sensor for DHW tank is used to control hot water temperature of DHW tank. If
sensor will be defective, you can purchase it separately.(Model name : PHRSTA0)
Follow below procedures step 1 ~ step 4.
Step 1. Uncover DHW tank kit and locate it on the wall.
Step 2. Connect Harness(Violet) of Main PCB assembly(TB1(6/7)) to 'CN_B_Heat_A' of the Main
PCB like following fig. 1.
Step 3. Insert DHW tank sensor to 'CN_TH4' (Red) of the Main PCB refer as below.
Step 4. Connect power supply to the DHW tank kit as shown fig. 1.
h The sensor should be mounted correctly to the sensor hole of DHW water tank like below
fig. 2.
- For 3 Series
Indoor PCB
DHW Tank
Sensor
Temperature Sensor
holder
DHW tank outer wall
h The terminal block connection number may differ depending on the model. Refer to the
"Wiring Diagram" in the SVC Manual.
Sensor
CN_TH4
DHW Tank
Sensor
CN_B_HEAT_A
Multi harness
6 7
Fig. 1
Insert sensor until the cable tie as shown below.
Inside
DHW tank
Fig. 2
Multi harness
1
2
3
Power supply
1Ø 220-240 V 50 Hz
Fig. 3
Signal
4
5
6
21
22
L
N
DHW TANK
HEATER
Heater power
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