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CME3.1 Q Plus (MEV)

Central Mechanical Ventilation Unit (cMEV)
PRIMARILY FOR USE IN DWELLINGS WITH SIX WET ROOMS OR FEWER

Overview

The new CME3.1 Q Plus is ideal for continuous extract of stale, damp and polluted air to the outside environment.

The CME3.1 Q Plus is the latest addition to the centralised mechanical extract unit range. The combination of aesthetic smooth lines and a low profile makes it the ideal solution for hidden ceiling installation in flats and apartments.

The unit has a very large duty range over 113 l/s (405 m3/hr) at 200 Pa.

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Features & Benefits

  • High energy efficiency levels, via Electronically Commutated (EC) motor
  • Very low power consumption/specific fan power
  • Airflow up to 121 l/s (445 m3/h) at 100 Pa
  • Compact – unit is small and low in profile, can be fitted in airing cupboards, cupboards or loft spaces
  • Easy installation due to innovative sub-assembly and unique packaging design
  • Optional adjustable humidity sensor (between 55% RH & 85% RH) increases unit’s speed proportionally
  • Low unit noise
  • Fully adjustable boost overrun timer 0-30 minutes
  • Can accept either Ø125 and/or Ø100
  • Unit can be cleaned and serviced without disturbing ducting
  • For use in conjunction with Titon trickle vents
  • Available in volt free and switch live inputs
  • Quick and easy commissioning
  • Demand control ventilation ready
  • Wide duty range
  • Can be mounted on any plane

Compatible Products

Technical Information

Technical Information

Product Codes

Volt free switch inputs
TP342A
– CME3.1 Q Plus
TP342HA – CME3.1 Q Plus, humidity sensor

Switch live inputs
TP342HALS
– CME3.1 Q Plus, humidity sensor and switch live inputs

Controls Ready
TP342CH
– CME 3.1 Q Plus, humidity sensor, controls ready (Full assembly).

Standards

Conforms to requirements of UK statutory Building Regulations and Technical Standards for Ventilation and BRE 398.
SAP Appendix Q tested
Exceeds requirements of Building Regulations Approved Document L (England & Wales).
EU RoHS Directive compliant.
Conforms to requirements of EC council directives relating to Electromagnetic Compatibility and Electrical Safety:
2006/95/EC (LVD), 2004/108/EC (EMC) EN 60335-1:2002/A2:2006, EN 60335-2- 80:2003, A1:2004.CE Marked.
Other non-UK info available on request.

Specification

Dimensions (excluding ports):
310mm wide x 340mm long x 252mm high (excluding spigots)


Weight: 5 kg
Finish: Light grey / dark grey
Materials
Housing: Talc Filled Polypropylene
Guarantee period: 3 years (UK only)
Electrical: 230V ~ 50/60Hz, 3A fuse
Installation: Install in accordance with regulatory requirements, such as the Domestic Ventilation Compliance Guide (England & Wales) and the Residential Ventilation Association recommendations.
Maintenance: See product manual.
AcousticsFull acoustic data.

Performance

Exhaust terminal configuration*
Fan speed setting
Specific fan power (W/l/s)
Specific fan power
(W/l/s)
2009
2012
Kitchen + 1 additional wet room
100% variable
0.17
0.17
Kitchen + 2 additional wet rooms
100% variable
0.16
0.16
Kitchen + 3 additional wet rooms
100% variable
0.17
0.17
Kitchen + 4 additional wet rooms
100% variable
0.20
0.20
Kitchen + 5 additional wet rooms
100% variable
0.23
0.23
Kitchen + 6 additional wet rooms
100% variable
0.26
0.26

Figures taken from the BRE Test Results apply for both the standard and humidity versions
*Number of wet rooms is based on SAP Q test criteria and does not correlate directly with regulatory performance requirements
Test results available for use with 100mm ducting.

Performance Curve

Acoustic Data

Airflow
l/s
% of
Max flow
dB(A) @
3m Hemispherical
dB(A) @ 3m Spherical
Induct
Inlet
Casing
Breakout
Casing
Breakout
42 l/s
41%
19
21
18
69 l/s
65%
35
32
29
104 l/s
100%
44
45
42

Documentation

Resources

Manuals and Documentation

Product Manual – CME3.1 Q Plus; Humidity Sensor

9.46 MB (English)
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Product Manual - Boxed Relay 5A (TP505)

575.63 KB (English)
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Catalogues

Ventilation Systems Catalogue

20.12 MB (English)
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CME3.1 Q Plus – Catalogue Page

472.02 KB (English)
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CME - Sales Brochure

3.05 MB (English)
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Access Panel Fire Rated - Catalogue Page

335.81 KB (English)
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Access Panel None Fire Rated - Catalogue Page

348.15 KB (English)
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Specifier Text

CME3.1 Q Plus - Specifiers Text (TP342A)

175.68 KB (English)
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CME3.1 Q Plus - Specifiers Text (TP342HA)

175.65 KB (English)
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User Guides

What is MEV?

(English)
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NHBC Standards 2020 - Chapter 8.1 (Internal services)

748.83 KB (English)
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‘Volt Free’ MEV Boost Wiring - Installation Guide

223.43 KB (English)
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Fault Finding

CME3 Q Plus - Fault Finding (Volt Free Switching)

1.5 MB (English)
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CME 3 Q Plus - Fault Finding (Units With Switch Live Capability)

1.29 MB (English)
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Test Results

Product Characteristics Database (PCDB) – CME3.1 Q Plus A Test Results

(English)
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Product Characteristics Database (PCDB) – CME3.1 Q Plus HA Test Results

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Product Characteristics Database (PCDB) – CME3.1 Q Plus HALS Test Results

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Product Characteristics Database (PCDB) – CME3.1 Q Plus CH Test Results

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BIM Models

CME3 Q Plus – BIM Model

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Videos

Video: Product Overview - MEV, CME Q Plus

(English)
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Certificate of Conformity

CME 3.1 Q Plus, Humidity Sensor and auralite/controller connection - Certificate of Conformity (TP342CH)

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CME3.1 Q Plus - Certificate of Conformity (TP342A)

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CME3.1 Q Plus, humidity sensor - Certificate of Conformity (TP342HA)

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CME3.1 Q Plus, humidity sensor, switch live inputs - Certificate of Conformity (TP342HALS)

234.05 KB (English)
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