L&L Kiln Mfg, Inc. VENT-SURE DOWNDRAFT Instructions Manual Download Page 10

L&L VENT-SURE DOWNDRAFT KILN VENT INSTRUCTIONS

ventsure-instruct.pdf 

REV: 8/1/2017 

Page 10

©

 

2017  

 

L&L Kiln Mfg, Inc.  505 Sharptown Rd, Swedesboro NJ 08085  856.294.0077   F:856.294.0070   [email protected]   hotkilns.com   

MOTOR SPECIFICATIONS

120 VOLT MOTOR

PSC Blower, Type:Forward Curve, Direct Drive
Wheel Dia. (In.):3-15/16,Wheel Width (In.):2-1/2
CFM @ 0.000-In. SP:146, CFM @ 0.100-In. SP:140, CFM 

@ 0.200-In. SP:126, CFM @ 0.300-In. SP:124. CFM @ 

0.400-In. SP:120, CFM @ 0.500-In. SP:110,
Voltage:115, Hz:50/60, Phase:1, Full Load Amps:0.75, 

RPM:3100
Bearing Type:Ball, Motor Type:Permanent Split Capacitor, 

Motor Enclosure:Open, Motor Insulation:Class B, Thermal 

Protection:Auto
Lead Length (In.):13, Conduit Box:Yes,
Ambient Temp. (Deg. F):104, Max. Inlet Temp. (Deg. F):104
Inlet Dia. (In.):3-1/8, Outlet Height (In.):2-3/16, Outlet 

Width (In.):3-1/4, Overall Height (In.):5-3/4, Overall Width 

(In.):6-5/16, Overall Depth (In.):5-3/8, Mounting:All Position, 

Housing Finish:Gray Enamel, Housing Material:Rolled Steel
Agency Compliance:UL Recognized US and Canada 

(E47479)

220-240 VOLT MOTOR

Item-PSC Blower,Type-Forward Curve, Direct Drive
Wheel Dia. (In.):3-3/4, Wheel Width (In.):1-7/8
CFM @ 0.000-In. SP:133,CFM @ 0.100-In. SP:128, CFM 

@ 0.200-In. SP:126, CFM @ 0.300-In. SP:119, CFM @ 

0.400-In. SP:112, CFM @ 0.500-In. SP:105, 
Voltage:230, Hz:50/60, Phase:1
Full Load Amps:0.33, RPM:2880
Bearing Type:Ball, Motor Type:Permanent Split Capacitor, 

Motor Enclosure:Open, Motor Insulation:Class B, Thermal 

Protection:Auto, Lead Length (In.):13, Conduit Box:Yes, 

Ambient Temp. (Deg. F):104, Max. Inlet Temp. (Deg. F):104
Inlet Dia. (In.):3-1/4, Outlet Height (In.):2-1/2, Outlet Width 

(In.)2-9/16, Overall Height (In.)6-9/16, Overall Width (In.):5-

5/8, Overall Depth (In.):6-9/16
Mounting:All Position, Housing Finish:Gray Enamel, 

Housing Material:Rolled Steel
The Vent-Sure vent is c-MET-us listed in both the US and 

Canada for use with L&L listed kilns. UL 499, CSA C22.2, 

No. 122, CSA C22. Listing No E112742.

PARTS

Prices of all parts are listed at: 

hotkilns.com/parts
Complete Vent-Sure Kiln Vent System

M-V-VENT/00 ................................................................. (see web)
VENT-SURE Vent. 120 Volt. Complete System as described 

above and on our separate Vent-Sure brochure. This includes the 

motor, an 8 foot cord with a rocker type On/Off switch mounted 

in line in the cord, the inlet duct attached to the motor,  the wall 

mounting bracket, a 90 deg elbow for mounting on the end of the 

outlet pipe (to keep rain water out), the Bypass Collection Box 

for attaching to the kiln stand or kiln side along with mounting 

hardware for mounting to an L&L kiln stand and one section of 15 

foot flexible aluminum duct with hose clamps. 
M-V-VENT/41 ................................................................. (see web)
VENT-SURE Vent. 220-240 Volt. Typically used in non-US instal-

lations.

You can also purchase individual parts to suit your 

own configuration or as replacements:

Below shows the vent system blower assembly with the motor, 

cord and switch set, 3” inlet duct to hold the flexible duct, 12” 

duct to go through a wall and 90 Degree elbow. 

M-V-FANK/00..................................................................(see web)
Complete blower assembly. Pictured above ^
M-V-FAN0/00 ................................................................. (see web) 

Fan/Blower Motor for Vent-Sure. 120 Volts. This is just the motor 

with no attached brackets or inlets. Cord is not included.
M-V-FAN0/41 ................................................................. (see web) 

Fan/Blower Motor for Vent-Sure. 220-240 Volts. This is just the 

motor with no attached brackets or inlets. Cord is not included.
M-V-BRKT/00 ................................................................. (see web) 

Steel plate onto which the motor mounts. Includes 4” x 12” outlet 

pipe and output mounting plate.
M-V-INLT/00 ....................................................................(see web) 

Motor Inlet Duct. This is the piece of duct that attaches to the inlet 

of the motor. The expandable aluminum duct fits onto this. 

Summary of Contents for VENT-SURE DOWNDRAFT

Page 1: ...o understand in order to operate your L L kiln ventilation system safely and effectively USEFUL WEB LINKS See this video on how to install a vent hotkilns com install vent sure See this video on how t...

Page 2: ...built into the motor DO NOT place anything in the blower motor while powered Serious injury and or damage to the motor could result INSTALLATION TIP BEFORE STARTING NOTE Attach the Bypass Box to the...

Page 3: ...E CERTAIN KILN POWER IS OFF BEFORE PROCEEDING WITH INSTALLATION Step 1 Turn Off Kiln Power This is critical for safety reasons Step 2 Drill Holes if needed Before mounting the Bypass Box you should dr...

Page 4: ...or wall with the outlet of the vent pointing up This is useful when you want to use an existing penetration in a wall that won t support the vent like a window or when you want to have the vent go out...

Page 5: ...w of exhaust a larger flow control opening reduces the flow of exhaust fumes from the kiln and a smaller flow control opening increases the exhaust ADJUSTING THE BYPASS SYSTEM The sliding adjuster all...

Page 6: ...uct Replace if necessary Check for corrosion especially if you are using clay with a high content of sulfur phosphorus or fluorine Check for wax or carbon build up if you are using a wax resist proces...

Page 7: ...l a vent an alarm or other atmospheric control Output 4 can be programmed to be on or off during each segment of a Vary Fire program Output 4 is off during Easy Fire programs FREQUENTLY ASKED QUESTION...

Page 8: ...ubic foot kiln firing an 85 pound load on Fast Glaze program to cone 8 took 70 KW hours with a vent on and 62 KW hours without a vent At 8 cents per KW hour that would be a cost of 0 64 more for the f...

Page 9: ...to vent don t waste heat and energy by venting more than you need EXTERNAL VENTING External venting is safer and surer than venting to the inside of your kiln room with a filter REMOTE MOUNTING OF MO...

Page 10: ...All Position Housing Finish Gray Enamel Housing Material Rolled Steel The Vent Sure vent is c MET us listed in both the US and Canada for use with L L listed kilns UL 499 CSA C22 2 No 122 CSA C22 List...

Page 11: ...ation to be mounted to any L L kiln stand It can also be mounted to the side of other kilns typically on the bottom section Bypass Collection Box M V MULT 00 see web Mult Mounting Bracket Comes with s...

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