What are the signs on the wall boiler used for?

As shown in the figure:

A Winter operation is enabled

B Summer operation is enabled

C Standby operation is enabled

D Time program is activated

E flashes when setting the time program

F is connected to the room temperature sensor

G is connected to the solar circulation pump via the expansion board

H External heating circulation pump connected via the expansion board

K Outdoor temperature sensor connected

L Main display area

M Anti-freeze protection activated

O Fault display, warn after-sales service

P The hot water function is not activated

P The hot water function is not activated

R Heater working status

S Additional display, current time will be displayed in standby mode

T AM/PM display (morning/afternooni) in 12 hours format

U Service mode activated

V Current flame status

W The "Hot water" operating program is activated

X " The "Heating" operating program is activated

Y Connected External expansion card

The output power of the wall-mounted boiler is selected according to the higher value of the domestic hot water consumption load and heating load. Generally speaking, the domestic water load is higher than the heating load, so the indoor temperature, the wall-mounted boiler will start. and will turn off automatically according to the set program, so don't do it yourself

Wall-mounted boilers are usually installed in the kitchen or on the balcony. Current time is balanced combustion Generally, a double-layer flue is used. The fresh air needed for combustion is inhaled.through the exterior and the generated exhaust gas passes through the inner layer. The smoke pipe is vented to the outside. When the wall-mounted boiler is working, the air inlet pipe and the exhaust pipe are independent, drawing in outside air or discharging it to the outside, making it very safe.