Electrical air heater

ERH 12-1

Article number: 0082.0101
Manufacturer: MAICO
Electrical air heater, DN 125, 230 VAC / 50 Hz, 1.2 KW
ERH 12-1 IM0009886.PNG Electrical air heater, DN 125, 230 VAC / 50 Hz, 1.2 KW

Characteristic curve

ERH 12-1 - Characteristic curve Pressure losses

  1. DRH 16-5
  2. ERH 12-1
  3. ERH 16-2
  4. ERH 10-04
  5. DRH 20-5
  6. DRH 25-6
  7. ERH 20-2
  8. DRH 25-2
  9. DRH 31-6

ERH 12-1 - Characteristic curve Temperature rise

  1. ERH 10-4
  2. ERH 12-1
  3. ERH 16-2, ERH 20-2, ERH 25-2
  4. DRH 16-5, DRH 20-5
  5. DRH 25-6, DRH 31-6

Dimensioned drawing

ERH 12-1 - Dimensioned drawing [mm]

A: 125 mm

Technical data

ERH 12-1 - Technical data

Article ERH 12-1
Type of voltage Alternating current
Rated voltage 230 V
Frequency 50 Hz
Imax 5,22 A
Degree of protection IP 43
Installation Inside
Installation position horizontal / vertical
Housing material Sheet steel, galvanised
Weight 2,6 kg
Nominal size 125 mm
Width 125 mm
Height 206 mm
Depth 375 mm
Air heater type electrical
Heater power rating 1.200 W
Packing unit 1 piece
Range C
GTIN (EAN) 4012799821014
Article number 0082.0101

Accessories / Accessories of

ERH 12-1 - Accessories / Accessories of

Specific accessories

Product type Name Art. No. Price*(EUR) Action
Air filter TFE 12-4 0149.0075 on request
  • On the notes
Air filter TFE 12-5 0149.0059 on request
  • On the notes
Air filter TFE 12-7 0149.0050 on request
  • On the notes
Temperature control system ETL 16 P Discontinued product 0157.0824 on request
  • On the notes
Temperature control system DTL 16 P 0157.0825 on request
  • On the notes
Channel sensor FL 30 P 0157.0780 on request
  • On the notes
Room sensor FR 30 P 0157.0781 on request
  • On the notes
Air flow monitor LW 9 0157.0779 on request
  • On the notes

is a special accessory of

Product type Name Art. No. Price*(EUR) Action
Sound-insulated ventilation box ESR 12 S No longer available for delivery 0080.0227 on request
  • On the notes

is a general accessory of

Product type Name Art. No. Price*(EUR) Action
Centrifugal duct fan ERR 12/1 0080.0272 on request
  • On the notes
Aeronom room air system WS 170 - - -
Centralised ventilation unit WS 160 Flat - - -
Centralised ventilation unit WS 170 / WS 170 ET - - -
WS ventilation unit WS 300 Flat - - -
Centralised ventilation unit WS 150 R Discontinued product 0095.0057 on request
  • On the notes
Centralised ventilation unit WS 150 L Discontinued product 0095.0058 on request
  • On the notes
Centrifugal duct fan ERR 12/1 N Discontinued product 0080.0866 on request
  • On the notes
Sound-insulated ventilation box ESR 12-2 EC 0080.0710 on request
  • On the notes
Sound-insulated ventilation box ESR 12 EC Discontinued product, ESR 12-2 EC successor product to follow. 0080.0084 on request
  • On the notes
Diagonal fan HDR 12 0080.0537 on request
  • On the notes
Diagonal fan HDR 12 EC 0080.0541 on request
  • On the notes
Diagonal fan ERK 125 Discontinued product 0080.0177 on request
  • On the notes
Diagonal fan ERK 125 T Discontinued product 0080.0178 on request
  • On the notes
Centralised ventilation unit WRG 180 EC No longer available for delivery 0082.0059 on request
  • On the notes
Sound-insulated ventilation box ESR 12/1 No longer available for delivery 0080.0281 on request
  • On the notes
Sound-insulated ventilation box ESR 12-2 No longer available for delivery 0080.0610 on request
  • On the notes
Sound-insulated ventilation box ESR 12-2 No longer available for delivery 0080.0056 on request
  • On the notes
Sound-insulated ventilation box ESR 12-2 S No longer available for delivery 0080.0617 on request
  • On the notes

Product description

Productdescription

ERH 12-1

short description

Electrical air heater, DN 125, 230 VAC / 50 Hz, 1.2 KW

Product description

  • Electrical air heater for ventilation systems.
  • With non-glowing stainless steel tubular radiators.
  • Operate with ETL/DTL temperature controller (see accessories).
  • Increased danger of fire if tubular radiators are dirty. Install TFE air filter as a prevention.
  • Recommended accessories: FL channel sensor or FR room sensor, LW 9 air flow monitor, US 16 T contactor 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

ERH 12-1 - Wiring diagram

ERH... electric air heater with LW 9 air flow monitor and ST speed controller

K1 - heating release (US16T)

ERR .. / 1 - centrifugal fan

LW 9 - air flow monitor

ETL 16 P - electronic temperature controller

DTL 16 P - electronic temperature controller

FL 30P channel sensor

ST.. STU.., STS.. speed controller

ERH - electric air heater

F1 - temperature limiter

F2 - safety temperature limiter

N - night reduction

  1. Only with DTL 16 P


ERH 10-04 with fans

S1 system on

K1 heating release (US16)

ERR.. centrifugal duct fan

LW 9 air flow monitor (in position N)

ETL 16P electronic temperature controller

DTL 16P electronic temperature controller

FL 30P channel sensor

FR 30P room sensor with setpoint generator

ERH.. electric air heater

F1 temperature limiter

F2 safety temperature limiter

N - night reduction

  1. Only with DTL 16 P


ERH 10-04 with fans

S1 system on

K1 heating release (US16)

ERR.. centrifugal duct fan

LW 9 air flow monitor (in position N)

ETL 16P electronic temperature controller

DTL 16P electronic temperature controller

FL 30P channel sensor

FR 30P room sensor with setpoint generator

ERH.. electric air heater

F1 temperature limiter

F2 safety temperature limiter

N - night reduction

  1. Only with DTL 16 P


Predecessor - successor

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