Electrical air heater with controller

DRH 25-9 R

Article number: 0082.0145
Manufacturer: MAICO
Electric air heater with integrated temperature controller, DN 250, three-phase AC

Product data sheet
DRH 25-9 R IM0009879.PNG Electric air heater with integrated temperature controller, DN 250, three-phase AC
Back
  • On the notes
ERH 16-2 R
DRH 16-5 R
DRH 20-6 R
DRH 25-9 R
DRH 31-12 R
DRH 35-12 R
DRH 40-12 R

Characteristic curve

DRH 25-9 R - Characteristic curve Pressure losses

  1. ERH 16-2 R
  2. DRH 16-5 R
  3. DRH 20-6 R
  4. DRH 25-9 R
  5. DRH 31-12 R
  6. DRH 35-12 R
  7. DRH 40-12 R

DRH 25-9 R - Characteristic curve Increase in temperature

  1. DRH 25-9 R
  2. DRH 31-12 R
  3. DRH 35-12 R
  4. DRH 40-12 R

DRH 25-9 R - Characteristic curve Increase in temperature

  1. ERH 16-2 R
  2. DRH 16-5 R
  3. DRH 20-6 R

Dimensioned drawing

DRH 25-9 R - Dimensioned drawing [mm]

DRH 35-12 R: No rubber seal on the connection couplings

A: 250 mm

Technical data

DRH 25-9 R - Technical data

Article DRH 25-9 R
Minimum air flow volume 270 m³/h
Type of voltage Three-phase AC
Rated voltage 400 V
Frequency 50 Hz
Imax 10 A
Degree of protection IP 43
Installation inside and outside
Installation position horizontal / vertical
Housing material Sheet steel, galvanised
Weight 6,49 kg
Weight including packaging 7,04 kg
Nominal size 250 mm
Width 250 mm
Height 331 mm
Depth 375 mm
Width with packaging 320 mm
Height with packaging 395 mm
Depth with packaging 385 mm
Air heater type electrical
Heater power rating 9.000 W
Packing unit 1 piece
Range C
GTIN (EAN) 4012799821458
Article number 0082.0145

Accessories / Accessories of

DRH 25-9 R - Accessories / Accessories of

Specific accessories

Product type Name Art. No. Price*(EUR) Action
Air filter TFE 25-4 0149.0079 on request
  • On the notes
Air filter TFE 25-7 0149.0054 on request
  • On the notes
Air flow monitor LW 9 0157.0779 on request
  • On the notes
Air filter TFE 25-5 No longer available for delivery 0149.0063 on request
  • On the notes

General accessories

Product type Name Art. No. Price*(EUR) Action
Contactor US 16 T 0157.0769 on request
  • On the notes

is a special accessory of

Product type Name Art. No. Price*(EUR) Action
Sound-insulated ventilation box ESR 25 S No longer available for delivery 0080.0230 on request
  • On the notes

is a general accessory of

Product type Name Art. No. Price*(EUR) Action
Centrifugal duct fan ERR 25/1 0080.0277 on request
  • On the notes
Centrifugal duct fan ERR 25/1 EC Discontinued product 0073.0571 on request
  • On the notes
Centrifugal duct fan ERR 25/2 EC New development 0073.0588 on request
  • On the notes
Sound-insulated ventilation box ESR 25 EC Remaining parts 0080.0087 on request
  • On the notes
Sound-insulated ventilation box ESR 31 EC Remaining parts 0080.0088 on request
  • On the notes
Sound-insulated ventilation box ESR 25-3 EC New development 0080.1003 on request
  • On the notes
Sound-insulated ventilation box ESR 31-3 EC New development 0080.1004 on request
  • On the notes
Diagonal fan EDR 25 0080.0656 on request
  • On the notes
Sound-insulated ventilation box ESR 25/1 No longer available for delivery 0080.0284 on request
  • On the notes
Sound-insulated ventilation box ESR 25-2 No longer available for delivery 0080.0613 on request
  • On the notes
Sound-insulated ventilation box ESR 25-2 No longer available for delivery 0080.0059 on request
  • On the notes
Sound-insulated ventilation box ESR 25-2 S No longer available for delivery 0080.0620 on request
  • On the notes
Sound-insulated ventilation box ESR 25-2 EC No longer available for delivery 0080.0713 on request
  • On the notes
Quickbox ESQ 25/4 No longer available for delivery 0080.0027 on request
  • On the notes
Quickbox DSQ 25/4 No longer available for delivery 0080.0032 on request
  • On the notes

Product description

Productdescription

DRH 25-9 R

short description

Electric air heater with integrated temperature controller, DN 250, three-phase AC

Product description

  • Electrical air heater for ventilation systems.
  • With integrated temperature controller.
  • With non-glowing stainless steel tubular radiators.
  • FR 30 P room sensor and FL 30 P channel sensor included in the scope of delivery.
  • Increased danger of fire if tubular radiators are dirty. Install TFE air filter as a prevention.
  • Recommended accessories: LW 9 air flow monitor and TFE... air filter .

Installation instructions

  • Mount the water-air heater on the fan's pressure side in order to prevent fan motor overheating. An arrow marked on the housing shows the default air direction through the electrical air heater.
  • Mount a 1 m to 1.5 m long air duct fitting between fan and electrical air heater to ensure optimum inflow to the electrical air heater.
  • Inflow speed can be controlled using an LW 9 air flow monitor.
  • If the inflow speed falls below 1.5 m/s, the electrical air heater must be switched off.

Safety instructions

  • Increased danger of fire if the tubular radiators are dirty. Install TFE air filter as a prevention.
  • Design in accordance with VDE, Device and Product Security Laws and the corresponding EU Directives.
  • With 2 temperature limiters switching independently of each other.
  • Minimum distance to inflammable material: 150 mm (if distance is less, install appropriate insulation).

Table of contents

Wiring diagram

DRH 25-9 R - Wiring diagram

Duct fan with DRH 25-9R, DRH 31-12R, DRH 35-12R and DRH 40-12R electric air heaters

S1 - system on

S - sensor

US16 - all-pole isolating switch (contactor)

ERR... centrifugal duct fan

DRH...R electric air heater: DRH 25-9R, DRH 31-12R, DRH 35-12R, DRH 40-12R

B=Int/ext bridge must be closed

C=Do not change potentiometer setting

D=Setpoint potentiometer for MIN limitation

E=Setpoint potentiometer for MAX limitation

F=Bridge for MAX limitation, bridge must be closed!

G=If bridge is closed, MIN limitation is also active

FR30P - ext. setpoint controller (0-30°C) with room sensor

FL60P - ext. channel sensor for MIN, MAX limitation

LW9 - air flow monitor (in position N)

Installation of LW9 sensor on incoming side of air heater

0-30°C setpoint setting and recording of room temperature with FR30P

0-60°C min/max limitation in supply air channel with FL60P



Predecessor - successor

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