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PRODUCT
ET 630 Split System Air Conditioner
Education / GUNT Hamburg / Thermal Engineering and HVAC / Refrigeration and Air Conditioning Technology /
description

 Split system air conditioners are used to cool, dehumidify and also heat rooms. The consist of an inner and outer unit. 
  In the inner unit there is a heat exchanger with fan working as an evaporator in the refrigeration circuit during cooling operation. During heating operation it works as a condenser. The outer unit contains a compressor, another heat exchanger, expansion element (e.g. capillary tube) and an element enabling the change-over from cooling to heating operation. In cooling operation the evaporating refrigerant in the heat exchanger of the inner unit withdraws heat from the room air. In the outer unit the heat in the heat exchanger is discharged to the ambient air by condensing the refrigerant. During heating operation the heat transport is reversed.
  ET 630 includes a dividing wall onto whose front and rear panel a modern split system air conditioner has been mounted. To better demonstrate its operation, an additional two pressure displays are available for the refrigerant. The operating mode, fan stage of the inner unit (fan operation) and desired room temperature are selected via a remote control. During automatic operation the actual room temperature is recorded and an operating mode automatically selected to achieve the specified room temperature.

  In addition the following functions are set at the remote control: Timer for the regular switching on and off, single remaining operating time in hours (sleep mode; suitable for energy-saving operation) and horizontal position of the lamella at the air outlet for air distribution (swing mode; fixed or movable).

 

Learning Objectives / Experiments

- Design and operation of a split system air

  conditioner
- 6 operating modes 
  * cooling 
  * dehumidifying (slight cooling)
  * heating
  * ventilation (only the fan of the inner unit)
  * automatic (operating mode suitable for the 
    room temperature)
  * test of cooling function
- 3 additional functions
  * "sleep" (switch-off after several hours)
  * "swing" (air outlet lamella position)
  * timer for switching on and off
- Remote control functions

Specification
[1] Trainer from the GUNT practical series for the training of mechatronics engineers for refrigeration 
[2] Design and operation of a commercial split system air conditioner
[3] Illustration of the split principle using a dividing wall
[4] 6 different operating modes: heating, cooling, dehumidifying, ventilation, automatic, test
[5] 3 additional functions configurable via remote control: sleep, swing, timer
[6] 2 refrigerant manometers indicate the intake and delivery pressure of the compressor
[7] Refrigerant R410A, CFC-free
[8] Battery operated remote control 
 
Technical Data

Split system air conditioner
- power consumption: approx. 1,7kW
- cooling capacity: approx. 3,3kW
- heating capacity: approx. 3,7kW
- max. air flow (inner unit): approx. 420m³/h
- dehumidification (inner unit): approx. 0,8L/h
- timer: 24h

Pressure measuring range (intake/delivery

side): -1...40bar 

Dimensions and Weight
l x w x h: 1000x1000x1500mm
Weight: approx. 80kg
Required for Operation
230V, 50Hz, 1 phase
Scope of Delivery
1 split system air conditioner
1 remote control
1 instruction manual
Order Details
061.63000  ET 630  Split System Air Conditioner