Lennox International Inc MPB35ST-NM manual Warranty, Replacement Parts, Lennox Hearth Products

Page 14

Millivolt Appliance Checkout

The pilot flame should be steady, not lifting or floating. Flame should be blue in color with traces of orange at the outer edge.

The top 3/8" (10 mm) at the pilot generator (thermopile) and the top ¹⁄₈" min (tip) of the quick drop out thermocouple should be engulfed in the pilot flame. The flame should project 1" (25 mm) beyond the hood at all three ports. See Figure 17.

To light the burner, refer to the lighting instruc- tions on Page 18.

MILLIVOLT PILOT ASSEMBLY

Proper Pilot Flame

Hood

Igniter Rod

Appearance

 

 

Thermocouple

 

3/8" Min.

 

 

 

 

(9 mm)

Pilot

 

 

Nozzels

 

 

Thermopile

 

Figure 17

 

 

Electronic Appliance Checkout

To light the burner, refer to the lighting instruc- tions on Pagex 19. Ensure the igniter lights the

Electronic Wiring Diagram (Honeywell)

1.If any of the original wire as supplied must be replaced,

1.it must be replaced with Type AWM 105°C – 18 GA. wire.

2.120V, 60Hz – Less than 3 amps.

 

 

*Leave the ON/OFF switch, which is integral

*ON/OFF Switch (Integral

with the gas valve, in the ON position.

with Gas Valve)

 

Outlet Box Green

 

 

 

 

 

 

Gas Valve

PILOT

 

Ground Screw

 

 

 

 

 

G

 

 

 

ASSEMBLY

 

120

 

IGNITER

 

 

 

 

 

 

W

BK

 

 

 

 

BK

VAC.

 

 

 

 

 

 

 

 

 

 

 

 

R

 

 

 

 

 

 

BL

 

 

 

 

 

 

 

 

 

G

White Wire

 

 

 

 

 

 

 

 

 

 

To Opposite

 

 

 

 

 

Side

 

 

 

 

 

Junction Box

 

 

W

 

 

Transf.

 

 

 

B

 

 

 

 

 

G

 

 

120 V.

 

Hot side of Outlet

BL

24 V

 

R

 

WT

BK

 

WT

SPILL SWITCH (high limit disc)

*Optional Control Switches - OFF/ON wall switch or remote control receiver.

Schematic Represen-

 

 

tation Only

 

Field Wired

Figure 19

 

Factory

 

 

 

Wired

WARRANTY

Your gas appliance is covered by a limited twenty year warranty. You will find a copy of the war- ranty accompanying this manual. Please read the warranty to be familiar with its coverage.

Retain this manual. File it with your other docu- ments for future reference.

REPLACEMENT PARTS

A complete parts list is found at the end of this manual. Use only parts supplied from the manufacturer. Normally, all parts should be ordered through your Lennox distributor or dealer. Parts will be shipped at prevailing prices at time of order.

When ordering repair parts, always give the following information:

1.The model number of the appliance.

2.The serial number of the appliance.

3.The part number.

4.The description of the part.

5.The quantity required.

6.The installation date of the appliance.

If you encounter any problems or have any ques- tions concerning the installation or application of this system, please contact your distributor, or Lennox directly:

LENNOX HEARTH PRODUCTS

1110 West Taft Avenue

Orange, CA 92865

pilot. The pilot flame should engulf the flame sensor as shown in Figurex 18.

CAUTION: LABEL ALL WIRES PRIOR TO DISCONNECTION WHEN SERVICING CONTROLS. WIRING ERRORS CAN CAUSE IMPROPER AND DANGEROUS APPLIANCE OPERATION.

ELECTRONIC PILOT ASSEMBLY

Proper Pilot Flame Appearance

Proper Flame

3/8" to 1/2"

(9 -13 mm)

Adjustment

 

Pilot

 

Nozzels

Ground

 

 

Electrode

 

Flame Rod

Millivolt Wiring Diagram

If any of the original wire as supplied must be replaced, it must be replaced with Type AWM105 C - 18 gage wire.

*Optional Control Switches - OFF/ON wall switch or remote control receiver.

Note: Turn the appliance-mounted OFF/ON burner control switch to the OFF position if an optional control switch is installed.

Schematic Represen- tation Only

White

 

 

SpillSwitch

TP

TH TP

TH

 

Thermopile

 

White

 

 

 

Black

Field Wired

 

 

14

Hot Surface

Igniter

Figure 18

Withpropercareandmaintenance,yourappliance willprovidemanyyearsofenjoyment.Ifyoushould experience any problem, first refer to the trouble shootingguideinthismanual.Ifproblempersists, contact your Lennox distributor.

WIRING DIAGRAMS

Wiring diagrams are provided here for refer- ence purposes only. This information is also provided on schematics attached directly to the appliance on a pullout panel located within the control compartment.

 

* Optional Control Switch

 

 

Factory

 

 

 

Figure 20

 

 

 

 

Wired

 

Appliance mounted OFF / ON Switch

 

 

 

 

PRODUCT REFERENCE INFORMATION

We recommend that you record the following important information about your fireplace. Please contact your Lennox dealer for any questions or concerns. For the number of your nearest Lennox dealer, please call 800-731-8101

Your Fireplace's Model Number ________________________________________

Your Fireplace's Serial Number ________________________________________

The Date On Which Your Fireplace Was Installed___________________________

The Type of Gas Your Fireplace Uses ____________________________________

Your Dealer's Name ________________________________________________

NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.

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Contents Listing Agency OTL Report No -F-27-5 875,024M REV. NC 04/2005MPB35ST-NMMPB35ST-NE MPB35ST-PM Congratulations Orifice Sizes Sea Level to High Altitude All Models Safety & Warniing InformationBurn-in Period Burner Orifice Sizes all models Elevation Natural PropaneSIT Millivolt Operation and Care of Your ApplianceMillivolt Appliances Valve see FigureEnsure Appliance is OFF Pilot only and Cool Spill Switch OperationVent Operation Test Glass Front MaintenanceOutside Combustion Air Controls See Figure LOG SET Top View of Logs Top View of Logs InstalledCA B ReferenceRemove front glass enclosure panel from appliance Placement of Glowing EmbersRead LOG Warnings on page 9 Before Proceeding Position The Groove in The Back of Log CThis appliance is not designed to burn wood. Any attempt to Burner Adjustments Qualified Technicians onlyAir Shutter Adjustment Guidelines Flame Appearance & SootingMaintenance Task Accomplishing Person Procedure While HOTSwitch or remote control TroubleshootingSymptom Possible Causes Corrective Action Operation, the standard burnerTroubleshooting Procedure Electronic Ignition System Wiring Diagrams WarrantyReplacement Parts Lennox Hearth ProductsAccessory Components Screen Heat Guard Kit Clean Face Panel KitsBrickaded Panel Liner Kit Door Frame KitsPiece Polished Brass and Brushed Stainless Louvers Kits Arch Door KitsPolished Brass and Brushed Stainless Hood Kits Outside Air Kits Models FOAK-4 and FOAK-4LDTo Turn OFF GAS to Appliance Normal service To OFF. Do not forceLighting Instructions What to do if YOU Smell GASClose lower control compartment door SwitchWhat to do if YOU Smell GAS To Shut OFFWest 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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