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750 Millivolt System

When you ignite the pilot, the thermocouple produces millivolts 

(electrical current) which energizes the magnet in the gas valve. 

After 30 seconds to 1 minute time period you can release the gas 

control knob and the pilot will stay ON. Allow your pilot flame to 

operate an additional one (1) to two (2) minutes before you turn the 

gas control knob from the PILOT position to the ON position. This 

time period allows the millivolts (electrical energy) to build-up to a 

sufficient level allowing the gas control to operate properly. 

Important

All correspondence should refer to complete Model Number, Serial 

Number and type of gas.

Moisture Resistance

This outdoor fireplace will shed moderate amounts of water, but is 

not waterproof. Water and condensing water vapor may enter the 

chase under certain conditions.

The fireplace will not perform as an exterior wall. Moisture penetration 

must  be  considered  for  construction  that  places  the  fireplace  in 

structure walls or on moisture sensitive surfaces.

When  installed  on  exterior  walls:  Empire  Comfort  Systems 

recommends  the  fireplace  chase  be  constructed  outside  the 

structure's weather envelope. Where the platform meets the wall, use 

a flashing detail similar to that required for attached decks. Chase 

platforms, including hearths should slope away from the structure 

at 1/4 in per foot. The fireplace can be shimmed level.

When installed on surfaces where water may collect or cause 

damage: Empire Comfort Systems recommends a slope of 1/8 in 

to 1/4 in per foot towards the drain port suggested. The fireplace 

can be shimmed level.

Hearths should slope away from the front of the fireplace and chase 

at 1/8 in to 1/4 in per foot. Metal safety strips must be on top of 

any combustible hearth materials used for moisture management.

When purchasing a firebox or fireplace we recommend you also 

buy a weather cover or glass door accessory to protect the unit 

from moisture. 

Never install a burner where moisture cannot drain off easily. We 

recommend a weather barrier - such as a cover or bifold glass 

doors - to protect the burner from moisture.

Screened Porch Installation

The fireplace may be installed safely and is design certified by CSA 

to be installed in a screen porch with the following guidelines.

Minimum Porch Area 

96 sq. feet (9 sq m)

Minimum Ceiling Height 

92" (234 cm)

Minimum of two (2) walls must be screened

Minimum top of screen height, side walls 

6'6" (198 cm)

Minimum screen area 

64 sq. feet (6 sq m)

Product Components 

•  Burner Pan Assembly 

 

—   "R" model includes millivolt valve and safety thermopile 

generator and on/off switch. A remote control or wall switch 

accessory is available as an option for this model.

Always consult your local Building Department regarding regula-

tions, codes or ordinances which apply to the installation of a vented 

decorative gas log set in a solid-fuel burning fireplace.

This appliance is only for use with the type of gas indicated on the 

rating plate. 

Instructions to Installer

1. Installer must leave instruction manual with owner after 

installation.

2.  Installer must have owner fill out and mail warranty card supplied 

with the fireplace.

3. Installer should show owner how to start and operate the 

fireplace.

 

WARNING

ANY CHANGE TO THIS APPLIANCE OR ITS CONTROLS CAN 

BE DANGEROUS. 

Improper installation or use of the appliance can cause se-

rious injury or death from fire, burns, explosion or carbon 

monoxide poisoning.

Instructions to Installer

1. Installer must leave instruction manual with owner after 

installation.

2.  Installer must have owner fill out and mail warranty card supplied 

with this fireplace.

3.  Installer should show owner how to start and operate unvented 

room heater.

Always consult your local Building Department  regarding regulations, 

codes or ordinances which apply to the installation of an unvented 

room heater.
*Aftermarket:  Completion of sale, not for purpose of resale, from 

the manufacturer.

This appliance is only for use with the type of gas indicated on the 

rating plate.  This appliance is not convertible for use with other 

gases.

WARNING:  ANY CHANGE TO THIS  HEATER  OR ITS 

CONTROLS CAN BE DANGEROUS.  

Improper installation or use of the heater can cause serious 

injury  or  death  from  fire,  burns,  explosion  or  carbon 

monoxide poisoning.

This series is design certified in accordance with American National 

Standard Z21.97.1/CSA 2.41 by the Canadian Standards Association 

Laboratories as an Outdoor Gas Fireplace and should be installed 

according to these instructions.

Any alteration of the original design, installed other than as 

shown in these instructions or use with a type of gas not 

shown on the rating plate is the responsibility of the person 

and company making the change.

INTRODUCTION

Summary of Contents for ONI-24-1

Page 1: ...hall not be stored in the vicinity of this or any other ap pliance DANGER CARBON MONOXIDE HAZARD This appliance can produce carbon monoxide which has no odor Using it in an enclosed space can kill you...

Page 2: ...ing 15 ONR 24 30 Wiring Remote Control Installation and Operation 16 Troubleshooting 17 Parts List 18 Parts View 19 Master Parts Distributor List 20 How Tor Order Repair Parts 20 Appliance Service His...

Page 3: ...zardous situation which if not avoided could result in death or serious injury CAUTION Indicates a hazardous situation which if not avoided could result in minor or moderate injury NOTICE Addresses pr...

Page 4: ...erform service or make adjustments in an area where the conditions are such that you may not detect the odor if there has been a leak of LP Gas Odor fade due to oxidation by rust or adsorption on wall...

Page 5: ...llowing guidelines Minimum Porch Area 96 sq feet 9 sq m Minimum Ceiling Height 92 234 cm Minimum of two 2 walls must be screened Minimum top of screen height side walls 6 6 198 cm Minimum screen area...

Page 6: ...ches water column 10 for LP and 3 5 for NAT For appliances for fixed fuel piping system and equipped with an appliance gas pressure regulator the appliance and its individual shutoff valve must be dis...

Page 7: ...Follow these instructions to ensure safe installation Failure to follow instructions exactly can create a fire hazard CLEARANCES 2 Ventilation opening s shall be provided at floor level and shall hav...

Page 8: ...erally input should be reduced 4 percent for each 1000 feet above sea level However if the heating value of the gas has been reduced this general rule may not apply Check with local gas utility for pr...

Page 9: ...by the authority havingjurisdiction ThestateofMassachusettsrequiresthataflexible appliance connector cannot exceed three feet in length Figure 2 Pressure Testing of the Gas Supply System 1 To check t...

Page 10: ...nd will disappear with continued use PERIODIC CLEANING Refer to parts diagram for location of items discussed below Do not use cleaning fluid to clean logs or any part of heater Logs brush with soft b...

Page 11: ...Immediately call a qualified service technician to inspect the appliance and to replace any part of the control system and any gas control which has been under water LIGHTING INSTRUCTIONS TO TURN OFF...

Page 12: ...he control shield 4 Snap the grommets into the holes on the shield to retain and protect the wiring 5 Complete wiring installation 6 Secure shield to valve with two screws as shown MAIN PILOT Learn MO...

Page 13: ...A This appliance has a pilot which must be lighted by hand When lighting the pilot follow these instructions exactly B BEFORE LIGHTING smell all around the appliance area for gas Be sure to smell next...

Page 14: ...pipe cleaner to clean inside the pilot after the pilot orifice has been removed To Remove Pilot Orifice 1 Disconnect the pilot supply line at the pilot burner 2 Remove pilot orifice from pilot burner...

Page 15: ...er must be placed in the right side firebox toward the front NOTICE Do not let remote control receiver come in contact with burner assembly Refer to remote control installation and operating instructi...

Page 16: ...l use if batteries are replaced or if a replacement transmitter is purchased from your dealer or the factory In order for the module to accept the transmitter security code be sure the slide button on...

Page 17: ...wires may be grounded Remove wall switch wires from valve terminals if pilot now stays lit trace wall switch wiring for ground May be grounded to appliance or gas supply Check thermopile with millivol...

Page 18: ...Valve Bracket 8 10407 10407 Valve LP 8 10408 10408 Valve NAT 8 R10809 R10809 Gas Valve 9 28393 28393 Piezo Bracket 10 R9761 R9761 Piezo 11 28101 28101 27282 27282 Tubing Inlet 12 P253 P253 P253 P253...

Page 19: ...28096 11 1213 Page 19 PARTS VIEW SET OFF TEMP PM 16 1 2 3 4 5 6 10 15 14 13 12 11 1 3 2 14 15 12 10 13 5 6 4 11 7 7 8 9 17 22 ONI MODELS ONR MODELS...

Page 20: ...ranty parts All parts listed in the Parts List have a Part Number When ordering parts first obtain the Model Number and Serial Number from the name plate on your equipment Then determine the Part Numb...

Page 21: ...28096 11 1213 Page 21 APPLIANCE SERVICE HISTORY Date Dealer Name Service Technician Name Service Performed Notes...

Page 22: ...28096 11 1213 Page 22 APPLIANCE SERVICE HISTORY Date Dealer Name Service Technician Name Service Performed Notes...

Page 23: ...cancelled check or payment record should be kept to verify purchase date and establish warranty period Ready access to the appliance for service What Is Not Covered Damages that might result from the...

Page 24: ...ms Empire Comfort Systems Inc 918 Freeburg Ave Belleville IL 62220 If you have a general question about our products please e mail us at info empirecomfort com If you have a service or repair question...

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