VIII
.
Operation Instruction
3
.
2
-
pipe
a
nd
4
-
p
ipe
f
or
c
hoose
.
4
.
3
F
an
s
peed
+
a
uto timer
s
witch
f
or
d
aily
o
r
w
eek
.
.
Timer on/off function for daily or week.
5
7
.
S
electable
80mmx80mm hidden box.
±
1
℃
NTC
<0.5W
AC200~240V, 50/60HZ
3A~5A
PC+ABS (flame retardant
）
86x86x13.3mm
0-45
℃,
5-95
％
RH(Non
-
condensing
）
-5~55
℃
10
℃ -
40
℃
I. Product Summary:
II. Technical Parameter:
IV. User Interface Explanation
2
.
Large glass
s
creen
d
isplay
w
ith
W
hite
/
Blue backlight.
TDS21-AC Series thermostats are designed to control the fans and valves
in air conditioner applications via comparison of the room temperature and
setting temperature as reaching the aim of comfort and saving energy.
80x80mm
V. Model Definition
AC 2: Two pipe, for air conditioning
AC 4: Four pipe, for air conditioning
8
.
Precise comfort control keeps temperature within1°C of the level you set.
1. Modern design similar as a cell phone.
TDS21-AC TOUCH SCREEN THERMOSTAT
VII. Wiring Diagram
III. Main Functions and Characteristics
For example: TDS21-AC2
TDS21-AC4
VI. Model Spec
TDS21-AC2
TDS21-AC4
Spec
2 Pipe
4 Pipe
Fan Speed
3 Fan speed+Auto
3 Fan speed+Auto
Fan coil
controllable
√
√
√
Timer Switch
0:01 22
℃
SET TEMP
1 2 3 4 5 6 7
28
℃
Power on/off
Mode Fan
Up
Down
Set Temp
Week
ROOM
TEMP
Room Temp
Heating
Cooling
Valve on
Timer on setting 1
Timer off setting 1
Timer on setting 2
Timer off setting 2
1
2
3 4
5
6
7
8
9
L
N Hi
Mid
Low
NO NC
Val 1
2 pipe
1
2
3 4
5
6
7
8
9
L
N Hi
Mid
Low
NO NC
Val 1
4 pipe
NO NC
Val 2
AC230V 50/60HZ
AC230V 50/60HZ
1. Setting Power on/off
Press to turn on/off the power.
2. Setting Temperature
Press to set the temperature.
3. Setting the System Mode
4. Setting the Fan Speed
Press to select the fan speed.
In auto mode, the fan will run according to the comparison of room
temperature and set temperature.
Press , mm will flash in the position of hh: mm.
Press to adjust the current minute.
5. Setting the Real Time.
Press to select heating, cooling or ventilation.
Factory Default is ventilation.
is Low speed(Factory default);
is Mid speed;
is High speed;
is Auto speed.
Press and hold for 3 sec., hh will flash in the position of hh: mm.
Press to adjust the current hour.
Press , 1 will flash in the position of week: 1234567.
Press to adjust the current week.
7. Setting the Timer off
After the setting of Regular boot, press
again, until
and “hh” twinkling
,
press
to
adjust
the
hours.
After the adjustment of hours is completed
,
press until
the
“
mm”twinkling,
press
to adjust
the minutes
.
After the completion of all adjustment, press
to confirm, then
does
not twinkling, Off timer setup is completed
.
The operation of canceling Off timer is the same, press
to the state of
The setting of the third period and forth period are same with the first and
6. Setting the Time-on(Regular
Boot)
Press
for more than 3 seconds, after setting the time, continue to press
After
the
adjustment of hours, press until
the “mm”
twinkling,
After the completion of all adjustments
,
press to
confirm, then
does not twinkle,
Regular boot setup is complete
.
The operation of canceling Regular boot
is the same, press
to
the state of
Regular boot, then pressing
,
the
is twinkling, Regular boot has been canceled
.
until
and
“
hh”
twinkling. Press to adjust
the
hours
.
press
to adjust the minutes.
Off timer, then pressing , the
is twinkling, Off timer has been canceled
.
second period, the icons are
(
on, off/into the house, out of the house
)
.
Room temp calibration function.
6
