ATC A38KP User manual

A38KP LCD Digital Thermostat
Features：
Dimensions：（L×W×H）mm
Operating Instructions：
A38KP Main body
120×100×16
ZZ
A38KP
Bottom plate
XF/XE/XU/XA Controller 115×68×38
DT(H)-2 Duct type sensor
ST-2 Tube type sensor
RT(H)-2 Room type sensor
120×72×20
Insert length：162（max.）×15Φ
FT(H)-2 Ceiling type sensor
69×22.5×7（Wire length 150cm）
XF
L M H Vb Va R2 R1 P2 EP1
* Wire length 150cm
* SUS304 steel tube
Power ON/OFF Press the key once will start or stop the air-conditioning operating.
Temp. adjust Press the key to raises 0.1°C or the key to reduce 0.1°C, Keep press the key to
raises or the key to reduce 0.1°C quickly.
Back-light mode Keep press the & key till the beeper sound will change the back-light mode into
the lighting 12 second mode, Once again will back to the on-bright/off-dark mode.
Mode select Press the key will change the operating mode as following order :
Cool >humidity >Fan only (>Heat )(>Auto )>Cool cyclicing.
AUTO
*If the humidity sensor is equipped, the screen can show and set the humidity level from
20% to 90% in the humidity mode. If don't, the " " will shown.
*Connected with the cool/heat controller : Allowed select into heat mode.
*Connected with the 4-pipe/heater controller : Allowed select into auto mode.
AUTO
*
Fan speed
Auto ＞High ＞Middle ＞Low ＞Auto cyclicing.
Press the key once to select fan speed as following order :
AUTO
How to select manual 20 section speed ? (Only for XE controller )
When into the fan select mode, once press the key to raise 1 section till speed
20（max.）or the key to reduce 1 section till speed 1（min.）.
AUTO
Some of the air-conditioning system may not allow into some inappropriate speed.
ZZ
Sleep mode Press the button while cooling mode will enable the sleeping mode ,
The setting temperature will rise 1°C after half hour and rise 1°C again after one hour.
*Keep press the key over 5 second when the A/C is power-on will into the back-light
brightness adjust mode, press the key to select most favorite brightness.
ZZ
Lock & Unlock Keep press the key until the lock sign appear will lock up all of keys except the
key, Repeat once till the lock sign disappear will unlock the keys.
Timer on/off
*The difference of the display and setting degree effected by the air-conditioner's ability or the change of loading ,
There is no any guarantee to whether the same value or the tolerance degree about this thermostat.
General Specification size. 0.1°C Temperature accuracy.
Smart progressive speed up/down keys.
Outfit RS-485 port operated by the MODBUS RTU open protocol.
Optional humidity sensor for temperature and humidity control.
Fusion 3 speed fast & 20 speed fine-tuning for the XE model.
Several controllers fit 3 speed or EC motor for FCU and AHU.
Press key will automatically select timer-on or timer-off mode.
Input 0~24 hours by press keys, press key again to begin the timer
running.
LCD back-light screen control panel

Input power AC 90~240V, 50/60Hz general
Operation key Press key
＊The specifications maybe changed without notice.
Technical Specifications：
A38 K P
Temp. set range
Temp. detect range -55.0～125.0 °C
Control panel General Specification.
0.1 °C
Temp. resolution
How to order：
R
C
2021.12 V1.0
XF 3 speed controller
PWR
IP
SP
DI
THSR
PWR：Power instruction LED
DI：Remote on-off
THSR：Temperature only or
Temperature & humidity
sensors housing port
RS485 : Communication port
IP : IP address（01～63）
R
W
R
W
To the next controller
To the front controller
SP：LCD control panel
AC
N
LE
ba
c
FL FM FH VBVA R2 R1 NEL
Wiring diagram：
5.0～35.0 °C (Original) -50.0～120.0 °C (Max.)
*
*
The RS-485 cable must be used UL2464 AWG22
x2C Twisted-pair & Shielded wire according with
" one-in & one -out " rule connecting with all of
the devices, Never set any branch in the halfway.
NOTICE
Remove the unused wire connectors, But the DI
must be keep it on for actuate the power on/off.
*No need to set IP if the RS485 unused, Implement
the power reset when changed the IP address.
*When control with the direct split A/C, Chose the
'DE' controller, Use VA for the outdoor unit &
R1/R2 to control with the 4-way valve.
*The sensor must be position in the return air
path, Never put into the drain plate or close to
the coil / motor / vent air positions etc.
L M H C
3 SPEED FCU
CHILLER
REMOTE
OR HEATER
CONTROL
AC
N
L
ECM - FCU
VDC
GND
E
LEN
Chiller
Remote/
Heater
Control
Zone Valve
Heater
Control
Increase
Humidity
Control Remove
Humidity
Control
ba
c
LEN
R1R2
VAVB
LE NG
V
FUSE
0~10VDC ba
c
FL FM FH VA R2 R1 NEL A1 A2 S1 S2 B2 B1 V2 V1 24+ P2 DHHT
P1 AH HC L M H FC
3-speed fan motor
AC24V
AC220V
24V
T
COM
0V
GND
=
=
=
=
P1=24V+
P2
24VAC+ 24VAC
T
AI2 Heating feedback
DI3 DI2 DI1
XE EC motor controller XU 3 speed with humidity controller
Filter Overload On/Off
Gry
Blu
Brn
Red
Blu
Blk
BlkBlk
Red
RedRed
Yel
YelYel
Grn
Grn
Sub-
sensor
Main
sensor
Control
panel
AI1 Cooling feedback
AO2 Heating 0(2)~10VDC
4~20mA
AO1 Cooling 0(2)~10VDC
4~20mA
Transformer
DO3 Heater control DO2 De-humidity DO1 Add-humidity
3-DO Common line
( Optional )
Single speed
motor
Common line
XA AHU P+I controller
NC
ZONE
VALVE
NO COM
L M H C
3 SPEED FCU AC
N
LE
Zone Valve
NC NO COM
LCD Control Panel
R：With remote control receiver
KP：0.1°C version
C：Customer order
Model No.
X F
F：3 speed FCU
E：EC motor FCU
U：FCU with humidity
A：AHU P+I control
X : Interchangeable
C : Cool only
W : 2-pipe cool/heat
D : Split cool
H : Split cool/heat
F : 4-pipe cool/heat
K : Chill with heater
A : Constant temperature & humidity
Controller
Protect class Control panel：IP53 Tube type sensor：IP65
Output capability 3-speed：5A/220VAC；Valve / Chiller：3A/220VAC
Temp. sensor Digital thermometer
Operation mode Cool / Humidity / Fan only ( / Heat )( / Auto )
1 %
* These items in the red frame are the optional accessories.
Support fan motor 3-speed motor ( XF ) / EC motor ( XE )
RPM control ( XE ) 0~10VDC correspond 0~1200 RPM
Air volume control 3 speed (XF) / 3 & 20 speed (XE) auto/manual
Communication wire Panel vs controller：0.5mm²×4C；longest 100 meters
RS485 protocol Modbus RTU 9600 or 19200 bps N,8,1
Remote control Infrared receiver ( Fit for R30RC )
Humidity sensor Integrated circuit module
Humidity set range 20 ~ 90 %
Humidity detect range 20 ~ 90 %
Humidity resolution
RR
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ISO9001:2015
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MANAGEMENT
SYSTEMS
Display type LCD with LED back-light screen
F T
F : Ceiling paste
S : Steel tube
R : Room type
D : Duct type
T : Temperature only
H : Temperature & Humidity
Sensor
2
XP :
0.1°C
version