TOA Electronics SLDVT-40, SLDVT-35 manual Table of Contents

Congratulations!

In selecting this LENNOX Direct-Vent Gas Appliance you have chosen the finest and most dependable fireplace to be found anywhere. Its a beautiful, prestigious alternative to a wood burning fireplace. Welcome to a Family of tens of thousands of satisfied LENNOX Fireplace Owners.

Please carefully read and follow all of the instructions found in this manual. Please pay special attention to the safety instructions provided in this manual. The Care and Operation Instructions included here will assure that you have many years of dependable and enjoyable service from your LENNOX product.

Due to high temperatures the appliance should be located out of traffic and away from furniture and draperies. Locate furniture and window coverings accordingly.

These fireplaces are designed as supplemen- tal heaters. Therefore, it is advisable to have an alternate heat source when installed in a dwelling.

These appliances are designed to operate on natural gas or propane gas only. The use of

TABLE OF CONTENTS
Introduction	Page	2
General Information	Page	2
Gas Controls Access	Page	3
Operation/Care of Your Appliance	Page	3
Variable Flame Adjustment	Page	4
Maintenance	Page	5
Front Glass Enclosure Panel,
Removal and Installation	Page	6
Install Volcanic Stone,
Embers & Logs	Page	7
Burner Flame Appearance & Sooting Page 10
Burner Flame Adjustments	Page 10
Millivolt Appliance Checkout	Page	11
Electronic Appliance Checkout	Page	11
Product Reference Information	Page	11
Warranty	Page 11
Wiring Diagrams	Page 12
Accessory Components	Page 13
Lighting Instructions – Millivolt	Page	16
Lighting Instructions – Electronic	Page	18
Maintenance Schedule	Page 20
Troubleshooting Guide – Millivolt	Page	21
Troubleshooting Guide – Electronic...	Page	22
Replacement Parts List	Page	23

This manual is part of a set of two supporting this product. Refer to manual 506009-01 for Installation Instructions.

Introduction

The Fireplace models covered in this manual are Direct-Vent sealed combustion gas fireplace heaters designed for residential application. Direct-Vent appliances operate with the com- bustion chamber completely isolated from the indoor environment.

All air for combustion is brought in from the outside and exhaust gases are vented through the same direct vent, co-axial (intake/exhaust) vent system.

The Millivolt appliances have a millivolt gas control valve with piezo ignition system provides safe, efficient operation. If any optional acces- sories which require electrical power are being installed, the electrical power must be provided at the time of appliance installation.

The Electronic appliances have a battery backed up electronic intermittent pilot system that provides safe, efficient operation. No external electrical power is required to operate these appliances.

These appliances comply with National Safety Standards and are tested and listed by Omni- Test Laboratories (Report No. 116-F-50-5) to ANSI ZZ21.88 (in Canada, CSA-2.33), and CAN/CGA-2.17-M91 in both USA and Canada, as vented gas fireplace heaters.

The Installation must conform to local codes or, in the absence of local codes, with the National Fuel Gas Code, ANSI Z223.1/NFPA 54-latest edition, or the Natural Gas and Propane Installation Code, CSA B149.1-latest edition. The appliance, when installed, must be electrically grounded in accordance with local codes or, in the absence of local codes, the latest edition of the National Electrical Code, ANSI/NFPA 70, or the Canadian Electrical Code, CSA C22.1 - latest editions.

General Information

Note: Installation and repair should be per- formed by a qualified service person. The appliance should be inspected annually by a qualified professional service technician. More frequent inspections and cleanings may be required due to excessive lint from carpeting, bedding material, etc.

It is imperative that the control compartment, burners and circulating air passage ways of appliance be kept clean. See Maintenance instructions on Page 5.

S'assurer que le brùleur et le compartiment des commandes sont propres. Voir les instructions d'installation et d'utilisation qui accompagnent l'appareil.

Provide adequate clearances around air open- ings and adequate accessibility clearance for service and proper operation. Never obstruct the front openings of the appliance.

other fuels or combination of fuels will degrade the performance of this system and may be dangerous.

Millivolt Models - BTU Input

Millivolt models come standard with the manu- ally-modulated gas valve; flame appearance and heat output can be controlled at the gas valve. The BTU Input for millivolt models is shown in Tables 1 & 2.

Input (BTU) Manually-Modulated

Gas Valves (millivolt models)

NATURAL GAS

Models	Input Rate (BTU / HR)
SLDVT-35NM	*16,000 high
	12,750 low
SLDVT-40NM	*20,000 high
	15,500 low
Table 1	* Electronic Models Fixed

Input (BTU) Manually-Modulated

Gas Valves (millivolt models)

PROPANE GAS

Models	Input Rate (BTU / HR)
SLDVT-35PM	*15,000 high
	11,400 low
SLDVT-40PM	*18,000 high
	14,000 low
Table 2	* Electronic Models Fixed

Gas Pressure -

Tables 3, 4 and 5 show the appliances' gas pressure requirements.

Inlet Gas Supply Pressure

(all models)

Fuel #	Minimum	Maximum
Natural Gas	4.5" WC	10.5" WC
	(1.24 kPa)	(2.61 kPa)
Propane	11.0" WC	13.0" WC
	(2.74 kPa)	(3.23 kPa)

Table 3