By CNP INDUSTRIES, INC.
P.O. Box 18645 Anaheim, Ca 92817 (877) 387-6721
VENTILATOR VEN140/VEN100 INSTALLATION INSTRUCTIONS
Ventilator Can Be Used For Roof or Wall Mounting
Recommended for use over household gas and electric ranges and cooktops. READ ENTIRE INSTRUCTIONS
BEFORE PROCEEDING. Installation must comply with all applicable codes.
IMPORTANT: Save for local electrical inspector's use.
INSTALLER: Please leave these instructions with this unit for the owner.
OWNER: Please retain these instructions for future use.
WARNING: BEFORE INSTALLING OR SERVICING THIS UNIT, SWITCH POWER OFF AT
SERVICE PANEL AND LOCK SERVICE DISCONNECTING MEANS TO PREVENT POWER
FROM BEING SWITCHED ON ACCIDENTALLY. IF PANEL CANNOT BE LOCKED,
SECURELY FASTEN A WARNING TAG TO THE SERVICE PANEL.
CAUTION: To reduce the risk of fire and to properly exhaust air, be sure to exhaust air outside. Do not exhaust air
into spaces within walls or ceiling or into attics, crawl spaces or garages.
NOTE: THESE INSTRUCTIONS DESCRIBE THE INSTALLATION OF THE VEN140 OR VEN100 REMOTE
VENTILATOR WITH A WIND CREST HOOD. IF USED WITH ANOTHER MANUFACTURER’S
HOOD, REFER TO THEIR SPECIFICATIONS FOR POWER REQUIREMENT COMPATABILITY.
VEN140: 1-HP 3-SPEED MOTOR, 115V AC, 60Hz /20 Amp CIRCUIT REQUIRED FOR WIND CREST
VEN100: ½-HP 3-SPEED MOTOR, 115V AC, 60Hz/15 Amp CIRCUIT REQUIRED FOR WIND CREST
1. Provide square hole through the roof or wall as shown by dash lines for conduit as shown in Fig-2. For reference,
location of 10" duct connection and wiring connection is shown with solid lines.
2. Install ventilator on roof or wall, with discharge (screened end) pointing down, according to STANDARD
ROOFING PROCEDURES. Note: Front discharge edge should be on top of shingles and rear and side edges
under shingles. Note: Unit must be sealed between roof or wall and underside of flange with roofing mastic to
prevent leaks. For installation on a flat roof, or roofs with pitch of less than 1-1/2" in 12" , install ventilator on
curb as shown in Fig-3. Position curb on sloping roof with 2" dimension facing down slope. Position curb on flat
roofs so that discharge (screened end) points away from prevailing wind.
3. Connect the ventilator to exhaust system with a 10" diameter metal duct only. Use 10" adjustable elbow to adjust to roof
angle. Tape and screw all joints to prevent air leaks. See Fig-4.
4. Remove top cover of ventilator to access wiring connections. Retain mounting screws.
5. Remove shipping bracket per separate instruction.
6. Run electrical conduit per local code to conduit outlet in bottom plate of ventilator (use liquid tight connection). Other
end of conduit will connect to electrical box in your Wind Crest hood. See hood installation instructions for hood wiring
location.
7. Run four (4) 16 ga wires in conduit (1-black, 1-white, 1-blue and 1-red) between the ventilator and hood. Check for
local code compliance. The ground wire should be 16 ga wire. See Fig-6 for wiring details. Check for local code
compliance.
8. Dimensions of ventilator are shown in Fig-5.
9. When connecting the hood to power supply, replace the black-#12 wire and white-#13 wire on hood with the wires
supplied with the remote blower.
Power supply for the VEN140 plus hood requires a 120v, 20 amp, 60 Hz circuit, connected per local codes.
10. Rotate ventilator blower wheel to be sure it turns freely and does not rub on motor brackets. Check damper door to be
sure it moves freely and spring returns door to closed position.
11. Check screen guard to be sure it is in position and secure. Check for removal of shipping bracket.
12. Replace cover removed in Step-4 and secure with screws provided. All screws must be in place on cover.
13. See Fig-1 for typical hood installations.
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FIG6
HOOD
RECEPTACLE
BOX
POWER SUPPLY
RECEPTACLE
PLUG
N
G
L1
1. REMOVE SHADED TWIST ONS
2. REMOVE WIRES AT RECEPTACLE
18 B #12
18 G #11
18 W #25
18 B #24
18 BL #23
18 R #22
1
2
3
4
1
2
3
4
18 W #13
JUNCTION BOX
REMOTE BLOWER
FOR HOODS WITH
HEAT LAMPS ONLY
FOR HOODS WITH
HEAT LAMPS ONLY
GREEN
WHITE
BLACK
CHANGE #12 & #13 TO 12GA WIRE (SUPPLIED)
MODEL VEN140 ONLY
YELLOW
YELLOW
CAPACITOR
HOOD
BLUE
RED
POWER SUPPLY
RECEPTACLE
N
G
L1
BOX
CONDUIT
12 B #12
18 G #11
1
2
1
2
3
4
3
4
MOTOR
12 W #13
FOR HOODS WITH
HEAT LAMPS ONLY
FOR HOODS WITH
HEAT LAMPS ONLY
A. Access the hood junction box, remove the designated twist on connectors, cut the four wires noted at the
receptacle and remove the cut wires.
B. Access the remote blower wiring box by removing the top cover, set aside screws for later use.
C. Run four wires per local code, in conduit from remote blower to hood.
NOTE: maintain white, black, blue and red color code from blower wiring box to hood connections.
D. Connect 4-wire from blower to hood with twist-on connectors from step – A; remote white to #13 (including
other white wires in connection), remote black to #2 black, remote blue to #3 blue and remote red to #4 red.
NOTE: When connecting the hood to power supply, replace the black #12 wire and white #13 wire on hood
with the 12 ga wires supplied with the ventilator.See Fig – 6.
When remote blower is to be grounded to the Power Supply Main Ground use appropriate wire gage per local
codes. See Fig – 6.
If the blower is grounded through the Hood the 18 ga Green Pigtail wire at the hood Must Be Changed to 12
Ga, or Appropriate Wire Gage to Comply With Local Codes.
CAUTION: To prevent malfunction and/or harm to electrical components, connections are to be made per
diagram and instructions.
E. Check rotation of blower wheel to be sure it rotates freely and does not rub brackets.
F. Replace blower top cover and screws from step – B.
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ATTENTION INSTALLER
THE METAL BRIDGE BETWEEN THE TWO-DISCHARGE
HOLES IN TOP OF HOOD MUST BE REMOVED WHEN
USING THIS VENTILATOR. SEE INSTALLATION
INSTRUCTIONS
REMOVE
TOP OF HOOD
WIND CREST
ATTENTION INSTALLER
BEFORE INSTALLING THIS BLOWER CONFIRM
THAT SERIAL NUMBER ON HOOD TO USED IN THIS
INSTALLATION IS GREATER THAN
#102796
THE SERIAL NUMBER PLATE CAN BE FOUND ON
THE LEFT HAND INSIDE WALL OF THE HOOD OR
ON THE HOOD CARTON LABEL
IF THE SERIAL NUMBER OF THE HOOD DOES NOT
COMPLY WITH THE ABOVE CONDITION THIS
BLOWER CANNOT BE USED WITH THIS HOOD.
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