C-LOGIC 900-TC, Instruction Manual

14

Advanced options 

Under turn off state, press the key 

 to access advanced setting. Modify the parameter by using 

the keys    and   and press the key 

 to confi rm and jump to the next parameter. When the 

parameters are set, wait 5 seconds and the thermostat exit from the advanced setting menu.  

Symbol

Description

Parameter setting

Default 

value

A1

Measured 

temperature 

adjustment

-9-+9 ºC

0.0 ºC

A2

Temperature 

hysteresis

0.5-2.5 ºC

1 ºC

A3

Not apply

Not apply

A4

Options of 

sensor control

N1: Built-in sensor

N2 and N3: external sensor (Not apply to this 

model)

N1

A5

Lock function

0: Half lock

1: Full lock

0

A6

High measured 

temperature 

value

1. 35 ºC-70 ºC

2. Under 35ºC, screen displays  

 and high 

temperature limit is cancelled.

45 ºC

A7

Low measured 

temperature 

value 

1. 1 ºC-10 ºC

2. Exceed 10ºC, screen displays 

 and low tem-

perature limit is cancelled.

5 ºC

A8

Low setting 

temperature 

value 

1-10 ºC

5 ºC

A9

High setting 

temperature 

value 

20-70 ºC

35 ºC

AA

Descaling 

function

0: descaling function disabled;

1: descaling function enabled;

 Descaling function: when valve is continuously 

closed over 100 hours, it will be opened for 3 

minutes automatically.  

0

AB

Not apply

Not apply

AC

Weekly 

programming 

selection

0: 5+2
1: 6+1

2: 7

0

AA

Restore to 

Factory default 

setting

Hold down the key   when this parameter is 

displayed.

Note:

 If when the thermostat is turn on, the symbols “E1” or “E2” are displayed, it is because a inco-

rrect setting of the parameter A4. Please, enter into the advanced option menu and select N1 for that 
parameter.