TC06-20TEH/01,200W DC48V Peltier Air Conditioner, Applied In Outdoor Telecom Cabinet

 
200W DC48V TEC AIR CONDITIONER
Model: TC06-20TEH/01
 
1. Introduction
 
The TC06-20TEH/01 TEC air conditioner is a full automation temperature control device. It uses intelligent controller to control the whole system of the air conditioner. According to the variation of environment temperature, the intelligent controller can automatically detect and operate . The product is widely applied in telecom cabinet, small and medium sized telecom room, UPS room, outdoor base station room, etc. 
 
2. Technical Specs
 
2.1 General Description
 
The TC06-20TEH/01 TEC air conditioner consists of 6 parts: peltier module (including sealing and insulation material), cold end radiator, hot end radiator, cold end fan, hot end fan, monitoring module. When power supply is connected to the TEC, one side of the peltier conduct cooling, and the other side of the peltier conduct heating, the cool (heat) from which will diffuse to the surrounding environment through cold (hot) end radiators and fans. The cold end radiator and cod end fan constitute the inside circulation for cooling the cabinet internal environment, while the hot end radiator and hot end fan constitute outside circulation for heat radiation to the external environment.
 
 
 
Diagram 1: TC06-20TEH/01 structure diagram (top view)
 
 
Both the inside circulation and outside circulation air ducts adopt air inlet through middle fans and air outlet through radiators at the two sides.
 
 
 
Diagram 2: TC06-20TEH/01 inside circulation and outside circulation air ventilation
 
 
2.2 System Parameters
 

Model No.

TC06-20TEH/01

Cooling Method

air to air 

Cooling Object

air 

Cooling Object Contact Medium

air

Cooling Effective Power  

200W

Input Voltage 

DC48V (43V~58V)

Cooling Stable Current

7.0±5%A

Installation Mode

side 

Noise

58dB

MTBF

70000h

Size (LxWxH)

400x180x203mm

Weight

7.5Kg

 

Environmental Performance 

working environmental temperature

-40°C ~ 60°C

 

storage working temperature

-50°C ~ 70°C

 

working humidity

≤95%

Thermal Performance

rated cooling capacity

200W

 

heating input power 

300W

Electrical Performance

rated input current 

6.8A

 

rated input power 

330W

 

input voltage

DC48V

 

2.3 Dimension

Diagram 3: TC06-20TEH/01 dimension

 

3. Control

3.1 Application
 
TC06-20TEH/01 air conditioner uses a universal intelligent controller ET724, which is controlled by highly integrated STC single chip microcomputer. The controller, with good performance, easy and convenient installation and set, is widely applied in small and medium sized telecom room, UPS room, outdoor base station room, etc.
 
3.2 Technical Parameter
 
(1)Three digit seven segment digital tube displays measured temperature and set temperature.
(2)Temperature measurement accuracy: 0.1 °C ; display accuracy:0.1 °C.
(3)Intelligently choose cooling mode or heating mode.
(4)With protective direct ventilation function.
(5)Power Supply: DC48V.
(6)Power Consumption: ≤5W.
(7)Working Environment: -30°C~70°C; <90%RH.
(8)Installation method: guide rail,hanging.
(9)Size (L×W×H): 150mm×190mm×45mm
 
3.3 Operating Instruction
 
ET724 uses user-friendly interfaces, which can be operated easily. All the operations can be realized with four buttons. The following is the control board diagram:

 
 Diagram 4: control board diagram
 
3.3.1 Buttons
 
PgDn:page down button, confirm button.      
Press once and release the button, select next parameter;
A long press on the button, enter or exit parameter mode.
 
▲:At parameter mode: increasing parameter revision. At operating mode: press this button to enter manual cooling mode (manual cooling preparation mode, with cooling indicator flashing), start manual cooling together with PgUp button.   
▼:At parameter mode: decreasing parameter revision. At operating mode: press this button to enter manual heating mode (manual heating preparation mode, with heating indicator flashing), start manual heating together with PgUp button.   
 
PgUp: At parameter mode:dispaly parameter name and parameter value. At operating mode: if previously it is manual cooling preparation mode, press this button to enter manual cooling mode; if previously it is manual heating preparation mode, press this button to enter manual heating mode.
 
 
3.3.2 Operating Instruction
 
(1) Operating Mode:
 
The mode is normal working mode. 3 digits LED display measured temperature and set temperature in turn. Six LED meanings:
PV lamp on: the digital window displays measured temperature;
SV lamp on: the digital window displays set temperature; at cooling mode, it shows cooling start temperature; at heating mode, it shows heating set temperature;
Col lamp on: the current output is cooling; flashing means manual preparation mode; 
Heat lamp on: the current output is heating; flashing means manual preparation mode;
TEC alarm on: TEC failure, fan failure, or temperature sensor failure;
Temp alarm on: measured temperature is higher than set upper limit or lower than set lower limit.
At operating mode, a long press on PgDn to enter parameter mode, or manual cooling/heating mode. Please refer to 3.3.1. 
 
(2)Parameter Mode:
 
At this mode, one can observe or revise the revisable parameters. Refer to 3.3.3 parameter instruction.
 
At parameter mode: one can manually shift parameter no.(Pn) or parameter value display (shift with PgUp button). 
 
 
3.3.3 Parameters
 

Parameter No.

Parameter Name

Initial Value

Remark

P00

FSV

 

current feedback value, unit: A

P01

Fr1

 

fan rotating speed 1, per second

P02

Fr2

 

fan rotating speed 2, per second

P03

LOC

0

password parameter, LOC=55, accessible to the following parameters;

LOC=77, recover parameter setting when devivery.

P04 

colTa

28.0

cooling start temperature

P05

colTb

2.0

cooling control return difference

P06

hotTa

10.0

heating start temperature

P07

hotTb

2.0

heating control return difference

P08

ZFanTa

35.0

straight ventilation start temperature

P09

ZFanTb

2.0

straight ventilation control return difference

P10

tecAL

0.5

TEC current lower limit

P11

tecAH

20.0

TEC current upper limit

P12

TAL

5.0

internal temperature alarm lower limit

P13

TAH

45.0

internal temperature alarm upper limit

P14

BT

0.0

temperature deviation correction

P15

fanEN

0

allow fan fault judgement

P16

tecEN

1

allow TEC fault judgement

P17

ADR

1

communication address

P18

BAUD

2

baud rate:0~3, (2400~19200BPS)

P19

inOH

100

inside fan speed limit

P20

outOH

100

outside fan speed limit

P21

fsvX

1.0

current feedback correction coefficient (amplifying coefficient)

P22

pqTa

80

hydrogen exhaust cycle (hour); auto hydrogen exhaust every 30 minutes after starting cooling; can press pqTa to define hydrogen exhaust cycle. 

P23

pqTb

2

hydrogen exhaust time length(minute)

 

4. Mainboard Wiring Diagram

Diagram 5: mainboard interface diagram  

J1: keyboard;
J2: temperature sensor input,1 - 5V, 2 - T, 3 - GND;
J3: Prog;
JD1: DC48V input, 1- 48V+, 2 - 48V- ;
JD2: internal and external fans power supply, 1 - +48V, 2 - 0V;
JD3: TEC air conditioner power supply;
When cooling,1 - +48V, 2 - 0V; When heating, 1 - 0V, 2 - 48V;
JD4: straight ventilation output, 1 - +48V, 2 - 0V;
JD5: 1, 2 - system alarm output (dry contact, close alarm);
        3, 4 - temperature alarm output( dry contact, close alarm);
JD6: fans control interface: 
        Internal fan control, 1 - Yellow (control output), 2 - White (feedback input);
        External fan control, 3—Yellow (control output), 4 -White(feedback input); 
JD7: RS485 communication interface:
        1 - B-, 2 - A+,3 - SGND.
 
 
5. Mainboard Wiring Picture
 
 
Diagram 6: mainboard wiring picture
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