Qmark LPE User Manual

LOW PRESSURE EXHAUST FANS

LPEV SERIES
12,16, & 22 INCH SIZES WITH VENTURI FRAME

READ AND SAVE THESE INSTRUCTIONS

• LPEV fans are intended to be directly wired. All wiring must be done by a qualified electrician.
DO NOT use an extension cord with these fans.

• DO NOT place foreign objects through the guard into blade. Never attempt to stop the fan blades when fan is in operation.

• ALWAYS turn off the fan to clean.

• Marley Engineered Products assumes no liability resulting from the improper use or installation of this product.

• Marley Engineered Products reserves the right to make any changes and improvements in its products at any time without notice

INSTALLATION

• LPEV fans require four screws to hold them firmly in place.

• LPEV fans feature a speed presetting air flow selector switch which allows user to select desired amount of air and velocity.

• BE SURE all electrical power is off before wiring.

• For single-speed operation:

1. Preset a desired speed.

2. Remove the junction box cover.

3. Connect wire in the junction box. The grounding wire should be

connected to any screw on the junction box.

4. Replace the junction box cover.
For variable speed operation:

1. Preset high speed.

2. Use Marley Engineered Products solid state fan speed controller

(Model: SS-2) and install it per the instructions.

3. Repeat procedures 2,3, and 4 above for single-speed operation.

NOTE: GROUND IN ACCORDANCE WITH STATE AND LOCAL CODES.

• It is normal for the motor to feel warm to the touch during operation. The motor is thermally protected and will automatically shut
off should it overheat for any reason. The fan will automatically turn on once the motor has cooled.

• The motor bearings are permanently lubricated at the factory and do not require any lubrication.

CLEANING

• Use a damp rag and mild detergent to clean the blade and guard. Always turn fan off before attempting to clean.

LOW PRESSURE EXHAUST FANS

LPE AND LPES
12, 16, 24, 30

READ AND SAVE THESE INSTRUCTIONS

• LPE series fans are intended to be directly wired. All wiring must be done by a qualified electrician.
DO NOT use an extension cord with these fans.

• DO NOT place foreign objects through the guard into blade. Never attempt to stop the fan blades when fan is in operation.

• ALWAYS turn off the fan to clean.

• Marley Engineered Products assumes no liability resulting from the improper use or installation of this product.

• Marley Engineered Products reserves the right to make any changes and improvements in its products at any time without notice

INSTALLATION

• LPE fans require four screws to mount unit firmly to desired mounting surface; eight screws are required for the LPE-30.
Mounting screws are not provided.

• LPES MODELS are provided with hardware for mounting the LPE unit to the shutter. The mounting hardware to mount the LPES
unit to its desired mounting surface is not provided

• Both LPE and LPES fans feature a speed presetting air flow selector switch which allows user to select desired amount of air and
velocity.

• Disconnect all electrical power before performing any wiring. All wiring should be done by a qualified electrician.

• For single-speed operation:

1. Preset a desired speed.

2. Remove the junction box cover.

3. Connect wire in the junction box. The grounding wire should be

connected to any screw on the junction box.

4. Replace the junction box cover.
For variable speed operation:

1. Preset high speed.

2. Use Marley Engineered Products solid state fan speed controller

(Model: SS-2) and install it per the instructions.

3. Repeat procedures 2,3, and 4 above for single-speed operation.

NOTE: GROUND IN ACCORDANCE WITH STATE AND LOCAL CODES.

• It is normal for the motor to feel warm to the touch during operation. The motor is thermally protected and will automatically shut
off should it overheat for any reason. The fan will automatically turn on once the motor has cooled.

• The motor bearings are permanently lubricated at the factory and do not require any lubrication.

• Wall Openings Required:
Model Opening Model Opening

LPE-12 12.5” Diameter Circle or 12.5”x12.5” Square LPE-12S 12.5”x12.5” Square
LPE-16 16.5” Diameter Circle or 16.5”x16.5” Square LPE-16S 16.5”x16.5” Square
LPE-24 24.5” Diameter Circle or 24.5”x24.5” Square LPE-24S 24.5”x24.5” Square
LPE-30 30.5” Diameter Circle or 30.5”x30.5” Square LPE-30S 30.5”x30.5” Square