Zephyr Blower CBE 1000 User Manual

www.zephyronline.com  
External Blower  
CBE-1000  
Model number: CBE-1000  
Serial number:  
Date of Purchase:  
Sales Dealer:  
MAY07.0101 © Zephyr Corporation.  
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NOTE:  
The following instructions explain the mounting procedures for the CBE-1000 external blower.  
Please refer to your hood manual for instructions on preparing the hood for use with external  
blower.  
Fig-5  
24"  
3"  
8"  
4"  
5 5/8"  
10 1/4"  
30"  
7 1/2"  
7 1/8"  
2"  
1 5/8"  
8"  
2 3/4"  
Fig-1  
TYPICAL INSTALLATION  
ROOF MOUNT  
OUTSIDE WALL MOUNT  
10" Elbow  
10" Duct  
10" E lbow  
Roof  
Hood  
Outside Wall  
Hood  
Recommended for use only over conventional domestic gas and electric ranges.  
2
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1. Remove and discard shipping brackets and wood support (attached to sides of motor and inlet collar). Fig. - 7  
BEFORE INSTALLING , check to see if blower wheel 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.  
2. Provide 14” x 18” hole through the roof or wall as shown in Fig. - 2. For reference, location of 10” duct connection and  
wiring connection is shown.  
3. Install blower on roof or wall, with discharge  
Fig-2  
(screened end) pointing down, according to  
standard roofing procedures.  
14"  
NOTE: Front discharge edge should be on top  
of shingles and rear and side edges under shingles.  
Unit must be sealed between roof or wall and under  
side of flange with roofing mastic to prevent leaks.  
For installation on a flat roof, or roofs with pitch  
Top View  
of less than 1 1/2’ in 12”, install blower 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 disc harge points away from  
prevailing wind.  
Down Slope  
of  
Roof or Wall  
18"  
10 1/2"  
Fig-7  
4 1/2"  
7 3/4"  
1 1/2"  
Remove  
Remove  
Remove  
Fig-3  
Remove  
1 1/2"  
6"  
2"  
30"  
24"  
3
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4. Connect the blower to exhaust system with a 10” diameter metal duct only. Use 10” adjustable elbow to adjust to roof  
angle. IMPORTANT: You must run 10” round duct work from the external blower to the ceiling. Before the duct  
work passes through the ceiling bracket, use a 10” to 8” transition adapter and run 8” duct work to the opening  
on the hood. The 8” duct work run should not exceed 60” in length. (see Fig 4a)  
External Blower  
Tape and screw all joints to prevent air leaks. See Fig - 4.  
Roof  
Shingle Over Flashing  
10” Adjustable Elbow  
Shingle Under Flashing  
10” Diameter Duct Work  
10” to 8” Transition Adapter  
Ceiling  
Screw and Tape Joint  
8“ Duct Work  
Ceiling Bracket  
Conduit  
Hood  
Fig - 4a  
Fig - 4  
5. Remove top cover of blower to access wiring connections. Retain mounting screws.  
6. Run electrical conduit per local code to conduit outlet in bottom plate of blower (use liquid tight connection). Other end of  
conduit will connect to external blower wiring box in your hood. See installation instructions earlier in manual for  
wiring location.  
7. Run (5) wires in conduit (1 black, 1 white, 1 blue, 1 red and 1 green ground) between the blower and hood. Check for  
local code compliance for style and gauge of wires. The ground wire shall have a suitable gauge according to the  
Electrical Code and Local Regulations. See Fig. -6 for wiring details. These wires will connect to the external blower  
wiring box on top of the hood.  
CAUTION: Before wiring the unit, switch power off at service panel and lock the service disconnecting means to prevent  
power from being switched on accidentally.  
8. Replace cover onto blower from step 5 and secure with screws provided. All screws must be in place on cover.  
Fig - 6  
CBE-1000: WIRING DIAGRAM  
White (common)  
External Blower  
Wiring Box  
(hood)  
Black (high)  
Blue (med)  
Red (low)  
Junction Box  
(CBE-1000)  
Green (ground)  
CBE-1000: 1/2 HP 3 - Speed Motor. 115V AC, 60Hz /15 Amp Circuit Required  
4
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