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MODELS: SLM50-110-C, SLM80-110D-C, SLM50-110LED-C, SLM80-110DLED-C, SLM80-110H-C 

Page 1.

Installation and Operating Instructions

CEILING/WALL VENTILATION FAN
READ AND SAVE THESE INSTRUCTIONS

GENERAL SAFETY INFORMATION

1. 

Make sure that the electric service supply voltage is 

AC 120V, 60Hz.

2.  Follow all local electrical and safety codes, as well 

as the National Electrical Code (NEC) and the 
Occupational Safety and Health Act (OSH Act).

3.  Always disconnect the power source before working 

on or near the ventilating fan, motor or junction box.

4.  Protect the power cord 

from sharp edges, oil, grease, 

hot surfaces, chemicals or other objects.

5.  Do not kink the power cord.

6.  Do not install the unit where ducts are configured as 

shown in Fig. A.

7. 

Provide suction parts with proper ventilation.

8.  This unit is UL Listed for use over a bathtub or shower 

when installed in a GFCI protected branch circuit.

3.  This product must properly connect to the grounding 

conductor of the supply circuit.

4.  To reduce the risk of injury to persons, install the fan 

at least 8.2 feet (2.5m) above the floor.

WARNING

TO REDUCE THE RISK OF FIRE, ELECTRIC SHOCK, OR 

INJURY TO PERSONS, OBSERVE THE FOLLOWING:

1. 

Use this unit only in the manner intended by the 
manufacturer. If you have questions, contact the 
manufacturer.

2.  Before servicing or cleaning unit, switch power off at  

the service panel and lock the service disconnecting 
means to prevent the power from being switched 
on accidentally. When the service disconnecting 
means cannot be locked, securely fasten a prominent 
warning device, such as a tag, to the service panel.

3.  nstallation work and electrical wiring must be 

done by a qualified person(s) in accordance with all 
applicable codes and standards, including fire-rated 
construction.

4.  Sufficient air is needed for proper combustion and 

exhausting of gases through the flue (chimney) of fuel 
burning equipment to prevent backdrafting. Follow 
the heating equipment manufacturer’s guideline 
and safety standards such as those published by the 
National Fire Protection Association (NFPA), and the 

American Society of Heating, Refrigerating and Air 

Conditioning Engineers (ASHRAE) and local code 
authorities.

5.  When cutting or drilling into the wall or ceiling, do not 

damage electrical wiring and other hidden utilities.

6.  Ducted fans must always be vented to the outdoors.

7. 

If this unit is to be installed over a tub or shower, it  
must be marked as appropriate for the application 
and be connected to a GFCI (Ground Fault Circuit 
Interrupter) –protected branch circuit.

8.  Do not use this unit with any other solid-state control  

device. Solid-state control device may cause harmonic 
distortion, which can cause a motor humming noise. 
(Avertissement: ne convient pas à des régulateurs de 

vitesse à semi-conducteurs).

9.  NEVER place a switch where it can be reached from a  

tub or shower.

10.  Not to be installed in a ceiling thermally insulated 

to a value greater than R50. (This is required for 
installation in Canada only).

11.  Do not open/disassemble LED light engine. 

ASSEMBLY INSTRUCTION

WARNING: Turn off electricity at breaker box before 

beginning installation. 

1.  Carefully remove unit from carton.
2.  Check area above installation location to be sure that  

wiring can run to the planned location and that duct 
work can be run. Make sure the area is sufficient for 
proper ventilation.

3.  Inspect duct work and wiring before proceeding with  

installation.

4.  Before installation, provide inspection and future 

maintenance access at a location that will not 
interfere with installation work.

5.  You may need the help of a second person to install  

this fan: one person on the attic side and one on the 
room side. 

Note: Installations may vary depending on how the 
previous bath fan was installed. Supplies necessary for the 
installation of your bath fan are not all included. However, 
most are available at your local home improvement or 
hardware store.   

Proper insulation around the fan to minimize building heat 
loss and gain. The ducting from this fan to the outside of 
the building has a strong effect on the air flow, noise and 
energy use of the fan. Use the shortest, straightest duct 
routing possible for best performance, and avoid installing 
the fan with smaller ducts than recommended. Insulation 
around the ducts can reduce energy loss and inhibit mold 
growth. Fans installed with existing ducts may not achieve 
their rated air flow. 

1.  The fan will operate most efficiently when located 

where the shortest possible duct run and minimum 
number of elbows will be needed.

2.  Use a roof cap or wall cap that has a built-in damper 

to reduce backdrafts.

3.  External timer can be used in conjunction with 

single-speed mode only, please contact Delta 
Breez customer service and consult with a licensed 
electrician for compatibility.

4.  External dimmer can be used in conjunction with 

LED light model, please contact Delta Breez customer 
service and consult with a licensed electrician for 
compatibility.

Fig. A

Cooking  area

Do not install above or

inside this area

Cooking

Equipment

floor

Turning angle too large

Duct shrink

Too many elbows

Elbow near the body

Body

PACKAGE CONTENTS

For all Models:

For the Model of SLM50-110-C, SLM80-110D-C,SLM80-110H-C

For the Model of SLM50-110LED-C, SLM80-110DLED-C

Part name

Appearance

Quantity

Fan Body

1

Tapping Screw

(Ø4×25mm)

6

(Machine Screw

(#8-32x5/16”)

1

Machine Screw

(M4x6 mm)

1

Hanger Bar

1

Wiring Cover

1

Part name

Appearance

Quantity

Grille

1

Part name

Appearance

Quantity

Grille

1

ASSEMBLY INSTRUCTION

Installation I 

(Ceiling/Wall mount housing with flange)

1.  To bend the housing tabs out to 90 degree and make 

housing tabs contact the bottom or front of the joist.

Installation II 

(Using suspension bracket):

1.  The housing mounts with 4 screws (Ø4×25 mm) 

Screw housing to joist through the round holes in 
each mounting flange, then through the other holes.

2.  Insert suspension bracket into the channel on

 

housing.

2.  The housing mounts with 4 screws (Ø4×25 mm). 

Screw housing to joist through the round holes in 
each mounting flange, then through the other holes.

Fig. B

CAUTION

1.  For General Ventilating Use Only. Do Not Use To 

Exhaust Hazardous Or Explosive Materials And Vapors.

2.  Not for use in cooking area. (Fig. B)

For humidity sensing models only (SLM80-110H-C)

•        Locate unit above (GFCI-protected circuit required) or 

within 5 feet of the shower head. 

•        Locate unit away from heating or cooling sources 

which can affect humidity levels.

•        Do not locate near window. Unit may respond to the 

outdoor humidity level.

•        Unit must be installed in ceiling to properly sense 

moisture.

•        Locate unit only on flat ceilings up to 12 feet high for 

proper sensing.

45°

45°

Joist

Tabs

Joist

Tabs

Screw Ø4x25 mm

Joist

Screw Ø4x25 mm

Joist

Short piece of flexible

duct helps alignment

and absorbs sound

Caulk termination

to duct

2~3 ft

straight run

before elbow

Roof cap

(with built-in

damper)

Wall cap

Wall cap

(with built-in

(with built-in

damper)

damper)

Seal gap

around

housing

Fan housing

or

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