THR-FCU-2025
ROOM CONTROL PANEL
Doc: 00-15-01, V1.3, 20161113
Page 1 / 4
Copyright © Smallart
®
www.smallart.com.tr
THR-FCU-2025 User Manual
THR-FCU-2025 is designed to control the room temperature in industrial,
commercial and residential environment with stand-alone microprocessor and large
LCD display.
It shows the following Items: working status (Cooling
, Heating
, Ventilation
, Auto
), valve output status (
), room temperature, set temperature, time and
etc. With key: On/Off (
), Menu
（ ）
, Fan speed
（
）
,
Okey
（
）
, Adjustment
（
▲▼
）
.
Basic Features
States Display
Manual/Auto control valves output
Manual 3-step fan speed changeover
Low temperature protection
Clock
Detect and display room temp.
Working mode
Fan speed
Display sensor detect temperature
Display setting temperature
Clock display
Display valve output
Specifications
Temperature sensor: NTC
Control Accuracy: ±1
℃
Operation environment:0
～
45
℃
Humidity: 5
～
95% RH
（
non-condensing
）
Button: push button
Power Consumption:
＜
2 W
Protection Class: IP 30
Power supply: AC 24V, 50/60Hz or DC 24V
Wiring: Accepting
：
Accepting 2
×
1.5 mm
2
Or 1
×
2.5 mm
2
wires
Switch current rating: Resistive: 2 A, Inductive: 1 A
Housing: PC + ABS Flame Retardant
Frame size: 112
×
85
×
28.5 mm
（
L
×
H
×
W
）
Hole pitch: 60 mm /83.5mm (Standard)
Operation
ON/OFF: Press
”
”
for on/off and ECO mode
Temperature setting: press
“
▼
”
and
“
▲”
to adjust temperature by 0.5
℃.
Mode selecting: press
“ ”
to select cooling
“ ”, heating “ ”, ventilation “ ”or auto “
”; Auto mode
is available only under 4-pipe system.
Fan speed: press
“ ” to set
（
Low
）
,
（
Med
）
,
（
High
）
,
（
Auto
）
;
The fan speed change automatically under Auto mode. Auto LOW when the difference between room-
temperature and set-point exceed 1
℃
; Auto MED when exceed 2
℃
; Auto HIGH when exceed 3
℃
.
Clock setting:
Press “
” into clock program function by hour, minutes and week, Press “
▼
”and “
▲
” to adjust.
ECO mode: press
“ ” to enter into ECO mode, thermostat will be under ECO heating/cooling setting
temperature with low fan speed. Press
“ ” again for exit ECO mode
US (7 Days 4 Periods) programmable function: One week is divided into 7days with four periods in each
day,
each temperature can be set separately to meet the user’s different request in different time periods.
