THSR-D 400

HORIZONTAL RECOVERY DEHUMIDIFIERS


The horizontal THDSR-400 dehumidifier with recuperator has been designed to be installed in suspended ceilings. It has been carefully designed and manufactured to high manufacturing and operational standards It therefore guarantees high mechanical strength, versatility and performance adaptation.

It is fitted with two brushless DC fans with automatic electronic flow management.

Flow control is continuous and the flow rate is maintained at the set level even when there is a natural increase in the pressure drop in the filters during operation. The use of two centrifugal fans ensures silent operation, up to three times less noise than with PlugFan fans.

The THDSR-400 makes it possible to achieve a renewal efficiency of over 90%.

The unit is fitted with pre- and post- cooling coils as standard, guaranteeing optimum performance and temperature control of the treated air.

They work in five ways:

  • Dehumidification
  • Ventilation
  • Integration
  • Renewal
  • Freecooling
 

MODEL THDSR400
Condensate humidity (26° - 65%) l/day 48
Input power W 420
Cooling capacity W 1550
Latent power W 1160
Supply V/Ph/Hz 230/1/50
Maximum electrical input power W 520
Refrigerator Input power W 2200
Water flow rate (15°C) l/h 400
Water flow rate (7°C) l/h 150
Maximum pressure drop kPa 20
Treated airflow m3/h 200 ÷ 600
Maximum head (500m3/h) Pa 250
Refrigerant (R134a) gr 330
Sound power level dB(A) 47
Sound pressure level db(A) 39
Extraction air flow m3/h 150 ÷ 250
SEC(hot/medium/cold climate) kWh/(sq.m a) -76/-36/-1
Maximum power input (renewal) W 130
AEC (hot/medium/cold climate) kWh/a 1005/469/424
AHS (hot/medium/cold climate) kWh/a 9527/4731/1202
Sound power level (renewal) dB(A) 40
Weight kg 78
Height mm 294
Width mm 1195
Depth mm 800

PERFORMANCE ACCORDING TO ROOM TEMPERATURE, RELATIVE HUMIDITY AND CHILLED WATER TEMPERATURE

THS-D450AE [PORTATA 450m3/h]
Room temperature: 26° C
Litres / Day Relative humidity
55% 65%
T water 18 31 38
15 39 48
12 46 56
7 60 73
Room temperature: 24° C
Litres / Day Relative humidity
55% 65%

Maximum recycled sensible heat output in winter (air flow rate 500 m3/h) according to the room temperature of the water in the system (water flow rate 400 l/h)

THS-D450AE
Recirculation sensible heat [kW ] Room temperature
20 22 24 28
T water 35 1,8 1,6 1,4 0,9
40 2,5 2,2 2,0 1,6
45 3,1 2,9 2,6 2,1
50 3,6 3,5 3,3 2,7
55 4,3 4,0 3,9 3,4

SPECIFICATION

Casing
The THSDR-400 is made of pre-painted hot-dip galvanized sheet metal that ensures a high resistance to corrosion. The structure is self-supporting with removable panels to make inspection and maintenance easier. The stainless steel collection tank is placed at a steep angle towards the drainage channel to prevent water stagnation and consequent mould formation.

Cooling circuit
The cooling circuit it is made up of components supplied by leading international companies and the cooling circuit is assembled entirely in Italy. It is made according to the mandatory technical standards regarding braze-welding processes. The refrigerant gas used is R134A.

Compressor
Reciprocating compressor with thermal cut-out. It is mounted on special anti-vibration mounts to reduce noise.

Condensers, evaporators and post treament coils
The condensing and evaporating coils are made of 5/16" grooved copper tubes and alluminium fins with a special hydrophilic paint that encorages water run-off and maximises efficiency. The geometry of these heat exchangers allows a low air-side pressure drop and therefore allows the speed of the fans to be reduced (resulting in reduced machine noise). The pre- and post-treatment coils guarantee that the air temperature is kept constant in all conditions.

Fan
The unit is fitted with two brushless DC fans with automatic electronic flow management

Air filter
Class G4 supplied with the unit.

Controller
The unit is equipped with a sophisticated microcontroller that controls all the machine operating parameters according to
external requests. The unit is supplied with a series of sensors and actuators that allow the control unit to control the system
and any faults that may arise.

Electrical panel
The electrical panel is designed to comply with the mandatory European safety regulations. The electrical panel can be accessed
by opening the special access panel. There are several inputs on the terminal board that are used for operating the
unit in the various modes of operation.

Testing
All units are fully assembled and wired at the factory, they undergro a leak test, vacuum cycle, and are filled with an eco-friendly refrigerant. They undergo a complete functional test before being shipped. All units comply with European Directives and have a CE marking and relative certificated of conformity

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