Labconco Protecto PVC Laboratory Fume Hoods 14181 Series - Manuel (Page 13)

Chapter 2: Prerequisites
Product Service 1-800-522-7658 9
Original instructions
Additional Washdown Valve Sizing Chart
4' PVC 5' PVC 6' PVC 8' PVC
Duct Run 30' 60' 30' 60' 30' 60' 30' 60'
Nozzles
Mounted on
Fume Hood
3 3 4 4 4 4 6 6
Additional
Wash Rings
3 6 3 6 3 6 3 6
Additional
Washdown
Valve Kits
Required
(9808310)
1 2 1 2 1 2
1
or
2
2
or
3
Minimum 10 psi
pressure
Normal 40 psi
pressure
A washdown and drain should be provided in your exhaust blower. This
washdown water and effluent material can be drained from the exhaust blower
back into the exhaust duct for disposal. Contact Labconco for PVC blowers. The
Protector PVC Hood washdown drain outlet is sized for 2" nominal (2.375" OD)
PVC pipe.
Electrical Requirements
The Protector Hood models feature internal wiring for the fluorescent light
assembly and light switch. All internal wiring is terminated at the single point
wiring junction box for hook-up by a qualified electrician. The blower switch,
and light switch wires are also terminated at the single point wiring junction box
for hook-up by a qualified electrician. Refer to Chapter 3: Getting Started and
Appendix C: Protector PVC Specifications for the wiring diagram for proper
electrical installation.
Les modèles Protège-capot disposent câblage interne de l'assemblage de lumière
fluorescente et interrupteur de lumière. Tout le câblage interne est terminé à la
boîte de jonction point de câblage unique pour le raccordement par un électricien
qualifié. Le bouton du ventilateur, et fils de l'interrupteur de lumière sont
également mis fin à la boîte de jonction point de câblage unique pour le
raccordement par un électricien qualifié. Reportez-vous au Chapitre 3: Mise en
route et à l'Annexe C: Spécifications PVC Protector pour le schéma de câblage
pour l'installation électrique correcte.
Service Line Requirements
All service lines to the laboratory fume hood should be ¼ inch outside diameter,
copper (brass for natural gas), and equipped with an easily accessible shut-off
valve, should disconnection be required. If the service line pressure exceeds 40
PSI, it must be equipped with a pressure regulator to reduce the line pressure.
Please check with local codes for other requirements.