• Model:5136004100

CRHB-250N Ecowatt - Energy Efficient Roof Fan

£ 971.25 (excl. VAT)

£ 1,165.50 (inc. VAT)

Low profile centrifugal roof-fans,
horizontal discharge, composed of:
- Centrifugal backward curved impeller.
- Steel finger proof guard.
- Base manufactured from galvanised sheet steel and aluminium cowl.
- ON-OFF electrical isolation switch.
- Direct supply brushless EC motor, high performance, low consumption, ball bearings, built-in thermal protector and able to work at temperatures from -20ºC to +40ºC:

Single-phase version 230V±10% 50/60Hz, IP44.
Three-phase version 400V±10% 50/60Hz, IP54.
Fan speed adjustable with the potentiometer placed in the connection box or with an external control type REB ECOWATT. Analogical input with terminals in the terminal box to control the fan with 0-10V input signal
PDF Files


Data Sheet


instructions

1 x Speed Controller - REB82 x Round ceiling diffuser 300mm1 x Raptor SDA315/4-1AC1 x Flanged Spigot - 250mm1 x Helios SB-250-EC SilentBox Acoustic Inline Fan1 x Elta Variable Speed Drive IP66 - 2.2KW1 x FRQ5-4A V2 Inverter Speed Controller1 x FRQ-10A V2 Inverter Speed controller1 x Helios TSD 3.0 Transformer Speed Control (400v)1 x FU 15 40 Frequency Inverter1 x Elta Variable Speed Drive IP66 - 7.5KW1 x FRQ5-10A Inverter Speed controller1 x FU 15 16 Frequency Inverter1 x Elta Variable Speed Drive IP66 - 5.5KW1 x Elta Variable Speed Drive IP66 - 1.5KW1 x Elta Variable Speed Drive IP66 - 4.0KW1 x Frequency converter FU 075 14 - IP661 x Elta Variable Speed Drive IP66 - 0.75KW1 x FU 22 25 Frequency Inverter1 x FU 075 52 Frequency Inverter (IP20)1 x Helios - FIUK-11KW 24.0A - FREQUENCY INVERTER1 x FU 075 04 Frequency Inverter (IP20)1 x Elta 10 Amp Electronic single phase speed controller.1 x ELTA - Three Phase Transformer 10amps1 x ELTA - Three Phase Transformer 3amps1 x ATEX rated 3-phase Speed Control - R-DK4 KT (EX)1 x Elta Variable Speed Drive IP66 - 2.2KW (1ph to 3ph)1 x ELTA - Single Phase Transformer 2amps1 x NKS-D swirl diffuser v-300 x 300mm1 x PCA Diffuser - PCA-3151 x Balance S Diffuser - NO RING - 125mm1 x Circular Ceiling Diffuser - TST 1251 x Circular Ceiling Diffuser - TST 2002 x EC6H - Reversible Group Fan Electronic Controller1 x Circular Ceiling Diffuser - TST 1001 x Electronic extractor fan speed controller - FSC 1.51 x Elta 2 Amp Electronic single phase speed controller.1 x JSR 200 Painted RAL50181 x Round ceiling diffuser 400mm1 x Curved Blade Grille 600x600 (2way blow)2 x Elta 3 Amp Electronic single phase speed controller.1 x Elta 6 Amp Electronic single phase speed controller with TK1 x EFSC-3N- Single Phase Speed Control1 x ELTA - Single Phase Transformer 8amps1 x Airvent ceiling fan controller1 x ELTA - Single Phase Transformer 16amps1 x Elta 3 Amp Electronic single phase speed controller with TK1 x 5-Speed Controller for use with Elta SAX Classic Fans1 x Circular Ceiling Diffuser - TST 1601 x ELTA - Single Phase Transformer 4amps1 x COM-31 x AIRVENT speed control - AIR4019611 x Round ceiling diffuser 200mm1 x ELTA - Single Phase Transformer 12amps1 x Balance S Diffuser - NO RING - 100mm1 x Round ceiling diffuser 250mm1 x EFSC-6N- Single Phase Speed Control1 x Round ceiling diffuser 350mm1 x PCA Diffuser - PCA-2501 x ELTA - Single Phase Transformer 10amps1 x Remote Timer Control - 13511 x Push Timer Switch - ZA41 x Helios ZNE Electronic Fan Overrun Timer1 x Multi Input Run On Timer - 0 - 20min - CFCU1 x Time Delay Unit - DT20B1 x 7 Day Programmable TIMECLOCK1 x TTC-2000 Three phase electric heater controller1 x ACOAS/ AC/EC Auto Changeover 8Amp1 x ACO8AC/EC AutoChangeover panel1 x CONTROL ECOWATT - Basic1 x EC-Vent control board1 x EM30-24 Electro-Mechanical Control Panel1 x EC-Vent Room Unit1 x Systemair Save Connect 2.0 Internet Module1 x U-EK plastic housing IP65 - for use with the U-EK230E Motor Protection1 x EM30-24 Control Panel Commissioning Service1 x Duct Termination with Mesh - 200mm1 x Egg Crate Grille with G2 Dust panel filter 1 inch- 300x3001 x PM230-TF, AC 230V Damper Actuator, Spring Return, 2 x SPDT, 72C Thermal Fuse1 x Single Deflection Grille 400mm with OBD damper
Reviews
Circular Inline Silencers - 0.6M long - SLU-600
Circular Inline Silencers - 0.6M long - SLU-600
£ 58.40

I have a loft mount extractor fan which was very noisy. I ...