Saswell SAS920FHL User manual

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SAS920FHL\SAS921FHL systems thermostat for floor heating
This manual can apply for SAS920FHL-7\SAS921FHL-7\SAS920FHL-7-WIFI \SAS921FHL-7-WIFI.
SAS920FHL\SAS921FHL system thermostat is a programmable controller used to control heating
material in electric heating system, SAS920FHL-7-WIFI\ SAS921FHL-7-WIFI can remote control
by mobile phone.
SPECIFICATION:
Power source ……………………… 100-240VAC 50/60Hz
Maximum load electric current…………………………16A/250VAC
Room temperature setting range……5℃to35℃
Floor temperature setting range…… 5℃to 70℃
Accuracy……………………………… 0.1℃
Working environment temperature………………………………0℃to 50℃
The storage temperature: ………………………………-10℃to 60℃
Dimensions…………………………….86mm X 86mm X13mm
FEATURE:
3.1 inch large screen display
Can control 16A high power heating facilities
Permanent user setting retention during power loss
Display temperature recalibrates
Optional types of control for different heating application including room thermostat; floor
thermostat or room thermostat with floor limitation
Optional programming Period: 7 individual day programming
IMPORTANT SAFETY INFORMATION:
Read all of the information in this manual before installing this thermostat.
Always turn off power at the main power source by unscrewing fuse or switching circuit
breaker to the off position before installing, removing, cleaning, or servicing this thermostat.
Only a professional contractor should install this thermostat.
All wiring must conform to local and national building and electrical codes and ordinances.
Use this thermostat only as described in this manual.

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INSTALL THE THERMOSTAT:
ATTACH THERMOSTAT BASE TO WALL
Elementary diagram:

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KEYBOARD, DISPLAY AND SWITCH DESCRIOPTION
(1) Power/OK button : Press shortly to turn on/off the thermostat.
(2) Time button:When thermostat turn on press time button shortly to set time . Under the
condition of short hours according to the time set in order to enter the minutes, week days set
by +/-
(3) Menu button:To set another implicit paremeter, press implicit paremeter longly to
restore factory setting ;when thermostat turn on,at programmable modle press the button
longly to set program,at programmable mode press shortly to set another program ,press
program longly reset paremeter.
(4) Raise temperature setting
(5) Lower temperature setting
(6) Weeks show mark
(7) Temperature shows mark
(8) Shows implicit paremeter setting value
(9) Shows current programming period
(12) implicit parameter setting mark
(13) Shows when thermostat is permanent hold mode
(14) Shows when thermostat is in programmable operation mode
(13) +(14) temporary mode
(15) Shows when thermostat start heating output
(16) Shows when thermostat is in antifreezing mode

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OPERATION
1. Configuration Menu
The configuration menu allows you to set certain thermostat operating characteristics to your
system or personal requirements. When thermostat at off mode, Hold button for 5 seconds to
enter the configuration menu. The display will show the first item in the configuration menu. Press
button to shift to the next menu item. Use or to select. When press will exit
menu setting and back thermostat off mode.
To exit the menu, press button. The thermostat will exit the configuration menu If no
action within 20 seconds,.
Restore factory default setting: In the configuration menu, push button for 3 seconds.
Display will show “DEF” blinking 3 times and return to Menu item 1 indicates all the
configuration setting has reverted to factory default setting. The configuration menu chart
summarizes the configuration options.
An explanation of each option is given below:
Item
Press
buttons
Displayed
(factory default）
Press ▲or▼to select
Descriptions
1
-6.0 --- +6.0
Select temperature display adjustment higher or
lower
2
20℃—70℃
℃— ℃(with WIFI)
Select maximum room setting temperature
3
5℃—20℃
Select minimum room setting temperature
4
20℃—70℃
℃— ℃(with WIFI)
Select maximum floor setting temperature
5
（ ℃）
℃—℃
Select minimum floor setting temperature
6
（ ）
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Program option
：Room temperature control is given priority to,
the floor temperature controls the function of the
protection (electric heating is adopted);
：only the room temperature control (water heating
is adopted);
：only the floor temperature control.
7
( )
/ /
Backlight mode
1.Backlight is not bright
2.When press button ,backlight is bright for 30
seconds
3.Backlight always bright.
8
( )
/
Program option
：7 days separately （Refer to table 1 and table 2）；
：Non program

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9
( )
/
Intelligent Recovery Option:
：Without intelligent function
: Activate intelligent function
10
( )
/
: Active anti-freezing function
: Close anti-freezing function drive is used
11
( )
( )(with WIFI)
/ /
: the load flow rate is 12-16 (A)
: the load flow is 8-11 (A)
: the load flow is 0-7 (A)
12
（ ）
/
Sensor selection
：100K Sensor
：10K Sensor
1. Manual Operation
1) Set current day and time
Thermostat On
a) Turn on the thermostat , press button to enter the time setting.
b) Press button again, The display will only show minutes flashing
c) Press and hold either or until you reach the correct minutes
d) Press button once again. The display will show the hour flashing.
e) Press and hold either or until you reach the correct hour
f) Press button once again. The display will show the day of the week flashing.
g) Press and hold either or until you reach the correct day of week
Press button once again or any keys are not pressed within 10 seconds, the thermostat will
revert to program operation
2) Operation mode
a Running schedule mode(The factory default is Non programmable.)
Thermostat keep the temperature as setting temperature temporarily, when screen show
b) manual mode
Enter the implicit parameter setting state to set the programming mode to
Button to exit the parameter settings and back to off condition
Reopen, the screen will display thermostat device to enter the manual mode,
Press or in running schedule mode to immediately adjust the temperature. Press to
save and exit.
3) Temporary hold mode

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The thermostat will temporarily keep the room at the setting temperature, and will resume the
program operation mode when entering the next program.
Programming operation mode, press or shortly enter the temporary hold mode, the
screen display.
Press or in running schedule mode to immediately adjust the temperature. Press to
save and exit.
4) Program setting
The thermostat can select the program setting only on programming.
When thermostat on , press longly to set program. If the program had been set OK before
thermostat leave factory,press ,if without any operation for 10s, thermostat will exit program
setting automatic.
Enter the programming settings: press into the set program, press can select weeks, time,
temperature, the screen flashes and show current selection position.
Press or in running schedule mode to immediately adjust the temperature. Press to
save and exit.
Excel 1（7days six period factory setting）
Heating mode
Morning
Outside
Afternoon
Outside
Back
Night
Monday-Friday
Time
6:00
8:00
12:00
14:00
18：00
22：00
Temperature
21℃
16.5℃
21℃
16.5℃
21℃
16.5℃
Alarm instructions
Err. display
Err. condition
Result
Err.3
Temperature sensor short circuit
Thermostat shuts down all heating output.
Err.4
Temperature sensor is broken
Thermostat shuts down all heating output.

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Thermostat communication model introduce
Thermostat with two wifi connection model :
Wifi hot model
When thermostat show ,it means thermostat at wifi hot model ,mobile phone can connect
with thermostat directly.
Wifi remote control model
When thermostat show mark ,it means thermostat at remote control model, mobile phone
can contact with thermostat though internet to control thermostat.
Thermostat can transfer two model
Thermostat at wifi hot model as factory setting .
Wifi hot model: At any model press thermostat longly to transfer Wifi hot model. When transfer
successfully ,thermostat will show mark .
Wifi remote control model: Use phone APP to add thermostat, when add sucefully ,thermostat
will transfer Wifi remote control model. If transfer sucefully, thermostat will show mark ,if
mobile phone if connect with thermostat fuiled or are connecting the mark will flash .
Tips :
Thermostat can connect at most two piece mobile phone directly at same time .And can remote
control by more mobile phone at same time .But it can’t operate control directly and remote
control at same time .

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