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Frequently Asked Questions (FAQ) on Filtration
What filter is used in the 3M™ Bair Hugger™ Model 675 warming unit?
The Model 675 uses the same filter media as has for many years been used in prior Bair Hugger 700-series models. That filter media is
classified on an industry-standard scale as MERV 14 at 44 CFM (cubic feet per minute) under ASHRAE Standard 52.2-2012: Method of Testing
General Air Ventilation Air-Cleaning Devices for Removal Efficiency by Particle Size.
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What is a MERV rating?
The Minimum Efficiency Reporting Value, or MERV, is a measurement scale to rate the efficiency of an air filter as a function of particle size
based on the ASHRAE Standard 52.2-2012.
1,2
What is the MERV rating recommended for operating rooms?
ASHRAE Standard 170-2013, Ventilation of Health Care Facilities, provides standards and guidance on the design requirements for ventilation
systems utilized in health care facilities.
3
The standard recommends that operating rooms utilize a filter that is equivalent to MERV 14.
3
This
MERV rating is specific to the ventilation system in the hospital’s operating room.
What is the MERV rating recommended for patient warming devices in the operating room?
There is no filtration standard for patient warming devices utilized within the operating room. The ASHRAE Standard is a standard used to
assess filter efficiency in health care ventilation systems.
Is a HEPA filter necessary?
No. We are not aware of any evidence or claim demonstrating that a HEPA filter improves patient safety.
What is the ASHRAE 52.2-2012 standard?
The American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) is a global organization focused on research,
education and standards for heating, ventilation, air conditioning and refrigeration. The ASHRAE standard 52.2-2012
1,2
provides test methods
for air intake filters to ensure standardization in classification and efficiency. For more information on ASHRAE, please visit www.ashrae.org.
References:
1. ANSI/ASHRAE Standard 52.2-2012: Method of Testing General Air Ventilation Air-Cleaning Devices for Removal Efficiency by Particle Size.
The American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc. © 2012 ASHRAE. ISSN 1041-2336. Available at http://
www.ashrae.org. Accessed on 6/7/2016.
2. ANSI/ASHRAE Addenda a, b, and d to ANSI/ASHRAE Standard 52.2-2012. Method of Testing General Air Ventilation Air-Cleaning Devices
for Removal Efficiency by Particle Size. The American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc. © 2015
ASHRAE. ISSN 1041-2336. Available at http://www.ashrae.org. Accessed on 6/7/2016.
3. ANSI/ASHRAE/ASHE Standard 170-2013: Ventilation of Health Care Facilities. The American Society of Heating, Refrigerating and
Air-Conditioning Engineers, Inc. © 2013 ASHRAE. ISSN 1041-2336. Available at http://www.ashrae.org. Accessed on 6/7/2016.
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b Table des matières
Description du système de gestion de la température 3M™ BairHugger™ ...................................................................17
Indications d’utilisation ......................................................................................................................................................17
Patients et établissements .................................................................................................................................................17
Contre-indications, avertissements, mises en garde etavis .............................................................................................. 17
Explication des conséquences correspondant aux mentions d’avertissement ......................................................17
CONTRE-INDICATIONS ....................................................................................................................................................17
AVERTISSEMENTS .............................................................................................................................................................17
MISES EN GARDE ...............................................................................................................................................................18
Avis .........................................................................................................................................................................................18
Utilisation de l’unité de réchauffement Bair Hugger modèle675 .....................................................................................19
Vue d’ensemble de l’unité de réchauffement modèle 675 .........................................................................................19
Vue d’ensemble du panneau de commande ..................................................................................................................19
Voyants et symboles d’alarme importants .....................................................................................................................19
La limite de temps du filtre a été atteinte:....................................................................................................................20
Instructions d’utilisation ............................................................................................................................................................20
Mise en garde:............................................................................................................................................................................20
Raccordement du cordon d’alimentation et du tuyau de l’unité de réchauffement .....................................................21
Raccordement du tuyau à l’unité de réchauffement ....................................................................................................21
Raccordement du cordon d’alimentation à l’unité de réchauffement ......................................................................21
Instructions de montage de l’unité de réchauffement .........................................................................................................21
Montage sur une potence IV .............................................................................................................................................21
Montage sur un chariot à roulettes ..................................................................................................................................21
Nettoyage, stockage et maintenance .....................................................................................................................................21
Instructions de nettoyage .................................................................................................................................................21
Stockage ...............................................................................................................................................................................21
Maintenance: Filtre ............................................................................................................................................................21
Utilisation et entretien .......................................................................................................................................................22
Diagnostic ...........................................................................................................................................................................22
À lire avant toute opération de maintenance sur l’équipement ................................................................................22
Réparation et échange dans le cadre de la garantie ...........................................................................................................22
États-Unis: ...........................................................................................................................................................................22
En dehors des États-Unis: ................................................................................................................................................22
Glossaire des symboles .............................................................................................................................................................22
Caractéristiques .........................................................................................................................................................................24
Caractéristiques physiques ..............................................................................................................................................24
Environnement de fonctionnement recommandé ......................................................................................................24
Températures de service ..................................................................................................................................................24
Système de sécurité ...........................................................................................................................................................24
Codes d’alarme/de défaut ................................................................................................................................................24
Caractéristiques électriques ............................................................................................................................................25
Classifications ............................................................................................................................................................................. 27
Foire aux questions (FAQ) sur la filtration .............................................................................................................................28
Quel filtre est utilisé dans l’unité de réchauffement 3M™ Bair Hugger™ modèle 675? ...................................28
Qu’est-ce que la classification MERV? ........................................................................................................................28
Quelle est la classification MERV recommandée pour les salles d’opération? ....................................................28
Quelle est la classification MERV recommandée pour les dispositifs de réchauffement des patients
en salle d’opération? ........................................................................................................................................................28
Un filtre HEPA est-il nécessaire? ...................................................................................................................................28
Qu’est-ce que la norme ASHRAE 52.2-2012? ............................................................................................................28
Références:.................................................................................................................................................................................28