Lennox International Inc MPB35ST-NM Maintenance Task Accomplishing Person Procedure, While HOT

Page 11

2.Light appliance (follow lighting procedure on

lighting label in control compartment or see

Main Burner Factory Air Shutter

Decrease Shutter Opening

Note - Burners are

homeowners manual).

Opening Setting - All Models

In This Direction

 

 

omitted in this

3. Allow the burner to operate for at least 15 min-

 

 

Model

Natural

Propane

 

 

view for clarity.

utes while observing the flame continuously to

 

 

 

 

 

ensure that the proper flame appearance has

 

Gas

Gas

 

 

 

been achieved (see Figure 15). If the following

 

1/8”

1/4”

 

 

 

conditions are present, adjust accordingly.

MPB35ST

 

Orifice

 

3.2mm

6.4mm

 

 

• If flame appears weak or sooty, adjust the

 

 

 

 

 

 

 

 

 

 

air shutter, incrementally, to a more open

 

 

 

 

 

 

position until the proper flame appearance

 

 

 

 

 

 

is achieved.

 

 

 

 

 

 

• If flame stays lowered blue, adjust the air

 

Adjustment Rod Positions

Air Shutter

Increase Shutter

Opening

shutter, incrementally, to a more closed

Figure 16

Adjusting

position until the proper flame appearance

(when viewed from above)

Rod

In This Direction

 

is achieved.

 

 

 

 

 

 

4.Leave the control knob (off/pilot/on) in the ON position and the burner OFF/ON switch OFF (& remote switches, if applicable).

5.When satisfied that the burner flame appearance is normal, close the lower control compartment door.

MAINTENANCE SCHEDULE - Annually (Before the onset of the Burning Season)

MAINTENANCE TASK

ACCOMPLISHING PERSON

 

PROCEDURE

 

 

 

 

 

Inspecting/Cleaning Burner, Logs

Qualified Service Technician

Inspect valve and ensure it is properly operating. Check piping

 

and Controls

 

 

for leaks. Vacuum the control compartment, fireplace logs and

 

 

 

 

burner area.

 

 

 

 

 

Check Flame Patterns and Flame

Qualified Service Technician

Refer to Figure 15 on Page 13 and verify the flame pattern

 

Height

 

 

and height displayed by the appliance conforms to the picture.

 

 

 

 

Flames must not impinge on the logs. Ensure flames are steady

 

 

 

 

(not lifting or floating).

 

 

 

 

 

Inspecting/Cleaning Pilot and Burner

Qualified Service Technician

Refer to Figure 17 and Figure 18 on Page 14. Remove any

 

 

 

 

surface build-up on pilot and burner assembly. Wipe the pilot

 

 

 

 

nozzles, igniter/flame rod and hood. Ensure the pilot flame

 

 

 

 

engulfs the flame sensor as shown.

 

 

 

 

 

Checking Vent System

Qualified Service Technician

Inspect the vent system at the top and at the base (within the

 

 

 

 

firebox) for signs of blockage or obstruction. Look for any signs

 

 

 

 

of dislocation or deterioration of the vent components. Note:

 

 

 

 

Inspect wall straps or plumbers's tape to ensure it is secure

 

 

 

 

and in place.

 

 

 

 

 

Appliance Checkout

Qualified Service Technician

Perform the appropriate appliance checkout procedure detailed

 

 

 

 

in this manual.

 

 

 

 

 

Replacing Rockwool Ember Materials

Homeowner/Qualified Service

Remove old ember materials (rockwool) and vacuum the ember

 

 

Technician

placement area. Place new embers as described in Step 6 on

 

 

 

 

Page 11.

 

 

 

 

 

 

MAINTENANCE SCHEDULE - Periodically (After the Burning Season)

 

 

 

 

 

 

 

 

MAINTENANCE TASK

ACCOMPLISHING PERSON

 

PROCEDURE

 

 

 

 

 

Cleaning Firebox Interior

Homeowner

Carefully remove logs, embers (rockwool), and vermiculite.

 

 

 

 

Vacuum out interior of the firebox. Clean firebox walls and

 

 

 

 

log grate. Replace logs, embers (rockwool) and vermiculite as

 

 

 

 

detailed in this manual (see Pagexs 8-10).

 

 

 

 

 

Check Flame Patterns and Flame

Homeowner

Refer to Figurex 15 on Pagex 10 and verify the flame pattern

 

Height

 

 

and height displayed by the appliance conforms to the picture.

 

 

 

 

Flames must not impinge on the logs.

 

 

 

 

 

Checking Vent System

Homeowner

Inspect the vent system at the top and at the base (within the

 

 

 

 

firebox) for signs of blockage or obstruction. Look for any signs

 

 

 

 

of dislocation of the vent components.

 

 

 

 

 

Cleaning Front Glass Enclosure Panel

Homeowner

Clean as necessary following the directions provided in this

 

 

 

 

manual. DO NOT TOUCH OR ATTEMPT TO CLEAN GLASS

 

 

 

 

WHILE HOT.

11

 

 

 

 

 

 

 

NOTE: DIAGRAMS & ILLUSTRATIONS

NOT TO SCALE.

 

 

 

 

 

 

 

Page 10 Page 12
Image 11
Page 10 Page 12
Contents Listing Agency OTL Report No -F-27-5 875,024M REV. NC 04/2005MPB35ST-NMMPB35ST-NE MPB35ST-PM Congratulations Burner Orifice Sizes all models Elevation Natural Propane Safety & Warniing InformationBurn-in Period Orifice Sizes Sea Level to High Altitude All ModelsValve see Figure Operation and Care of Your ApplianceMillivolt Appliances SIT MillivoltEnsure Appliance is OFF Pilot only and Cool Spill Switch OperationVent Operation Test Glass Front MaintenanceOutside Combustion Air Controls See Figure Reference Top View of Logs Top View of Logs InstalledCA B LOG SETPosition The Groove in The Back of Log C Placement of Glowing EmbersRead LOG Warnings on page 9 Before Proceeding Remove front glass enclosure panel from applianceFlame Appearance & Sooting Burner Adjustments Qualified Technicians onlyAir Shutter Adjustment Guidelines This appliance is not designed to burn wood. Any attempt toWhile HOT Maintenance Task Accomplishing Person ProcedureOperation, the standard burner TroubleshootingSymptom Possible Causes Corrective Action Switch or remote controlTroubleshooting Procedure Electronic Ignition System Lennox Hearth Products WarrantyReplacement Parts Wiring DiagramsAccessory Components Door Frame Kits Clean Face Panel KitsBrickaded Panel Liner Kit Screen Heat Guard KitOutside Air Kits Models FOAK-4 and FOAK-4LD Arch Door KitsPolished Brass and Brushed Stainless Hood Kits Piece Polished Brass and Brushed Stainless Louvers KitsWhat to do if YOU Smell GAS Normal service To OFF. Do not forceLighting Instructions To Turn OFF GAS to ApplianceTo Shut OFF SwitchWhat to do if YOU Smell GAS Close lower control compartment doorWest Taft Avenue Orange, CA Replacement Parts MPB35ST20 P/N 875,024M REV. NC 04/2005

MPB35ST-NM specifications

Lennox International Inc., a leader in the heating, ventilation, and air conditioning (HVAC) industry, offers the MPB35ST-NM model as part of its comprehensive range of integrated solutions. This finely engineered unit is designed to provide exceptional performance and energy efficiency while ensuring optimum home comfort.

One of the standout features of the Lennox MPB35ST-NM is its modular design, which allows for flexible installation and easy integration with existing systems. This unit is particularly beneficial for residential settings where space may be at a premium. It also supports efficient zoning, enabling tailored climate control for different areas of the home.

The MPB35ST-NM utilizes advanced multi-stage heating technology, which means it can adjust its output to match the specific demands of the environment. This significantly enhances energy efficiency and reduces operational costs. The unit operates with a high Seasonal Energy Efficiency Ratio (SEER) rating, ensuring optimal performance without excessive energy consumption.

Additionally, the MPB35ST-NM is equipped with smart technology features that allow homeowners to monitor and manage their heating system remotely. Through a user-friendly app, users can adjust settings, schedule maintenance reminders, and receive performance alerts, all of which contribute to an improved user experience.

Another key characteristic of the MPB35ST-NM is its quiet operation. The unit is designed with sound-dampening components that minimize noise during operation, ensuring that homeowners can enjoy a peaceful living environment.

Durability is another hallmark of Lennox products, and the MPB35ST-NM is no exception. Constructed with high-quality materials, this unit is built to withstand the rigors of daily use while offering long-lasting reliability. Additionally, Lennox provides robust customer support and warranty options, giving customers peace of mind in their investment.

In summary, the Lennox International Inc. MPB35ST-NM model stands out as a leader in home heating solutions. With its adaptable design, energy-efficient technology, smart features, quiet operation, and dependable durability, it meets the evolving needs of modern households, making it an excellent choice for those seeking comfort and efficiency in their heating systems.
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