Chapter 3: Getting Started
Product Service 1-800-522-7658
15
Original instructions
CAUTION: This blower contains an electrical motor, which
requires proper electrical connection per the countries National
Electrical Code to prevent hazards. The National Electrical
Code and local codes may require that a circuit disconnect,
overload protection, and short circuit protection be included in
the installation. The unit should be connected by a licensed
electrician.
ATTENTION: Ce ventilateur contient un moteur électrique, ce
qui nécessite une bonne connexion électrique par les pays
National Electrical Code de prévention des risques. Le National
Electrical Code et les codes locaux peuvent exiger que la
déconnexion du circuit, protection de surcharge, et la protection
de court-circuit sont inclus dans l'installation. L'appareil doit
être raccordé par un électricien agréé.
Modify the Fume Hood Controls and
Install the MSB Blower Control Box
Labconco Intelli-Sense Blowers require control circuitry to vary the speed and set
up the fume hood for two or three speed operation. If desired, the MSB can still be
set up for simple ON/OFF operation. The three switch options are listed below
and on the wiring diagrams in Appendix C.
Switch Options
Mode A
Mode B
Mode C
MAX
MAX
MAX
MED
MIN
OFF
MIN
OFF
Follow these steps to properly install the control circuitry per the wiring diagrams
in Appendix C. Note: If using the Integrated Intelli-Sense Hood supplied with limit
switches for automatic Intelli-Sense Blower operation, then refer to Chapter 8 and
only follow steps 1, 2, 4, 11, and 12.
1.
Ensure the power is turned off at the roof disconnect and at the fume hood.
2.
With shielded wire (Belden 9940, 22 GA, 4 conductor shielded or equal),
run the control wires from the roof mounted junction box beneath the ECM
motor to the top of the fume hood.
3.
With the two self-tapping screws provided, mount the MSB Control Box to
the back of the light support per diagrams, Figure 3-1 through 3-8.
4.
Crimp the shielded control wire from the roof mounted blower to the MSB
Control box per the wiring detail and wiring diagrams in Appendix C. As
needed, reference Appendix E for installation.
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Summary of Contents for 7061110
Page 36: ...Chapter 5 Using Your Blower Product Service 1 800 522 7658 32 Original instructions...
Page 48: ...Chapter 7 Modifying Your Blower Product Service 1 800 522 7658 44 Original instructions...
Page 58: ...Chapter 9 Troubleshooting Product Service 1 800 522 7658 54 Original instructions...
Page 62: ...Product Service 1 800 522 7658 58 APPENDIX B BLOWER DIMENSIONS...
Page 63: ...Appendix B Blower Dimensions Product Service 1 800 522 7658 59 Original instructions...
Page 64: ...Appendix B Blower Dimensions Product Service 1 800 522 7658 60 Original instructions...
Page 72: ...Product Service 1 800 522 7658 68 APPENDIX F TYPICAL PERCHLORIC ACID HOOD INSTALLATION DIAGRAM...
