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126345-01D

2

SAFETY

 WARNING: Improper installation, adjustment, 

alteration, service or maintenance can cause injury 

or property damage. Refer to this manual for correct 

installation and operational procedures. For assis-

tance or additional information consult a qualified 

installer, service agency or the gas supplier.

 WARNING: This appliance is for installation only 

in a solid-fuel burning masonry or UL127 factory-

built fireplace or in a listed ventless firebox enclo-

sure. It is design-certified for these installations in 

accordance with ANSI Z21.11.2. Exception: Do not 

install this appliance in a factory-built fireplace that 

includes instructions stating it has not been tested 

or should not be used with unvented gas logs.

 WARNING: This is an unvented gas-fired heater. 

It uses air (oxygen) from the room in which it is 

installed. Provisions for adequate combustion and 

ventilation air must be provided. Refer to 

Air  for 

Combustion and Ventilation

 section on page 5 of 

this manual.

This appliance may be installed in an aftermarket,* 

permanently located, manufactured (mobile) home, 

where not prohibited by local codes.
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.

* Aftermarket: Completion of sale, not for purpose of resale, 

from the manufacturer

 WARNING: This product contains and/or generates 

chemicals known to the state of California to cause 

cancer or birth defects or other reproductive harm.

IMPORTANT: Read this owner’s manual carefully and 

completely before trying to assemble, operate or 

service this fireplace. Improper use of this fireplace 

can cause serious injury or death from burns, fire, 

explosion, electrical shock and carbon monoxide 

poisoning.

 DANGER: Carbon monoxide poisoning may lead 

to death!

Carbon Monoxide Poisoning:

 Early signs of carbon monoxide poi-

soning resemble the flu, with headaches, dizziness or nausea. If you 

have these signs, the heater may not be working properly. 

Get fresh 

air at once!

 Have heater serviced. Some people are more affected by 

carbon monoxide than others. These include pregnant women, people 

with heart or lung disease or anemia, those under the influence of 

alcohol and those at high altitudes.

Natural and Propane/LP Gas:

 Natural and propane/LP gases are 

odorless. An odor-making agent is added to the gas. The odor helps 

you detect a gas leak. However, the odor added to the gas can fade. 

Gas may be present even though no odor exists.
Make certain you read and understand all warnings. Keep this manual 

for reference. It is your guide to safe and proper operation of this 

heater.

Safety ............................................................................................. 2

Product Identification ..................................................................... 4

Optional Remote Control Accessories ............................................ 4

Local Codes ................................................................................... 4

Commonwealth of Massachusetts Requirements........................... 4

Unpacking ...................................................................................... 4

Product Features ............................................................................ 4

Air for Combustion and Ventilation ................................................ 5

Installation ..................................................................................... 7

Operation  .................................................................................... 17

Inspecting Burners ....................................................................... 19

Cleaning and Maintenance ........................................................... 19

Troubleshooting ........................................................................... 21

Specifications ............................................................................... 24

Service Hints ................................................................................ 24

Technical Service ......................................................................... 24

Replacement Parts ....................................................................... 24

Wiring Diagram ............................................................................ 25

Parts ............................................................................................ 26

Accessories .................................................................................. 30

Warranty ...................................................................................... 31

Thank you for your purchase. We appreciate your 

business!

Please carefully read and follow all instructions in this manual. 

Pay 

special attention to all warnings and safety information.

Following these safety, care, and operation instructions will help 

ensure many years of dependable and enjoyable service from your 

appliance.

Please read and understand these instructions before installing 

or operating.

TABLE OF CONTENTS

Summary of Contents for EWPO2430NV

Page 1: ...installed Provisions for adequate combustion and ventilation air must be provided Refer to Air for Combustion and Ventilation section on page 5 of this manual WARNING If the information in these instr...

Page 2: ...this fireplace can cause serious injury or death from burns fire explosion electrical shock and carbon monoxide poisoning DANGER Carbon monoxide poisoning may lead to death Carbon Monoxide Poisoning...

Page 3: ...for Vented Operation Page 9 This gas log set may not be installed as a vented appliance in a bedroom or bathroom in the Commonwealth of Massachusetts 5 Before installing in a solid fuel burning firep...

Page 4: ...The flexible gas line connector used shall not exceed 36 inches 92 centimeters in length The individual manual shut off must be a T handle type valve Un vented appliances may NOT be installed in bedr...

Page 5: ...Air From Outdoors page 6 If your home does not meet all three criteria above proceed to Determining Fresh Air Flow For Heater Location Confined and Unconfined Space The National Fuel Gas Code ANSI Z22...

Page 6: ...GasCode orapplicablelocalcodes VENTILATION AIR Ventilation Air From Inside Building This fresh air would come from an adjoining unconfined space When ventilating to an adjoining unconfined space you m...

Page 7: ...ater as your primary heat source WARNING A qualified service person must install heater Follow all local codes NOTICE Stateorlocalcodesmayonlyallowoperation ofthisapplianceinaventedconfiguration Check...

Page 8: ...ntel shelf See Figure 5 and Figures 6 and 7 Page 9 for minimum clearances IMPORTANT If you cannot meet these minimum clearances you must operate heater with chimney flue damper open Go to Installing D...

Page 9: ...5 F or higher on the underside of the mantel Determining Minimum Mantel Clearance When Using a Hood If minimum clearances in Figure 6 are not met you must have a hood When using a hood there are still...

Page 10: ...work properly Installation Items Needed hardware package provided with heater approved flexible gas hose and fittings if allowed by local codes not provided sealant resistant to propane LP gas not pro...

Page 11: ...T Tap Approved Flexible Gas Hose if allowed by local codes PROPANE LP From External Regulator 11 W C to 14 W C Pressure NATURAL From Gas Meter 5 W C to10 5 W C Pressure Sediment Trap Tee Joint Cap Pip...

Page 12: ...Check reconnected fittings for leaks Test Pressures Equal To or Less Than 1 2 PSIG 3 5 kPa 1 Close equipment shutoff valve see Figure 14 2 Pressurize supply piping system by either opening propane LP...

Page 13: ...lace 6 DisconnectjumperwirefromcontrolvalveatTPTHandTHlocations see Figure 18 7 Connect wires to control valve at the TPTH and TH locations as shown in Figure 19 NOTE Make sure excess wire does not in...

Page 14: ...0 models Place the right top log as shown in Figure 26 Page 15 This log will fit on the matching flat recess on the front middle and rear logs WARNING Failure to position the parts in ac cordance with...

Page 15: ...Right Top Log for 24 and 30 Log Set Figure 27 Installing Short Cross Log for 30 Models Only Short Cross Log INSTALLATION Continued 7 For 30 models place short cross log as shown in Figure 27 8 Final a...

Page 16: ...pins on base see Figures 31A and 32 Figure 33 Placing 18 Bottom Front Log Figure 34 Placing 18 Top Right Log Figure 35 Placing 18 Left Top Log Final Assembly for 18 Model Grate Fingers Pin for Top Lef...

Page 17: ...es in bottom of log must seat over pins on base see Figures 36A and 37 Figure 38 Placing 24 30 Bottom Front Log Figure 39 Placing 24 30 Top Middle Log Figure 40 Placing 24 30 Top Left Log Pins for Top...

Page 18: ...IONS WARNING Iffireplacehasglassdoors neveroperatethisheater with glass doors closed If you operate heater with doorsclosed heatbuildupinsidefireplacewillcause glass to burst Make sure there are no ob...

Page 19: ...ed contact a quali fied service person or gas supplier for repairs NOTE If pilot goes out repeat steps 4 through 8 OPERATION Continued Figure 43 Control Knob and Igniter Button Location Shown as Suppl...

Page 20: ...carpeting pet hair bedding material etc WARNING Failure to keep the primary air opening s oftheburner s cleanmayresultinsooting and property damage BURNER ORIFICE HOLDER AND PILOT AIR INLET HOLE The p...

Page 21: ...Remove blockage Blocked burner flame holes will create soot Clean the pilot assembly also A yellow tip on the pilot flame indi cates dust and dirt in the pilot assembly There is a small pilot air inl...

Page 22: ...ocouple connection loose at con trol valve 7 Thermocouple damaged 8 Control valve damaged REMEDY 1 Reconnect Igniter cable 2 Free Igniter cable if pinched by any metal or tubing Keep Igniter cable dry...

Page 23: ...valve 1 Check burner for dirt and debris If found clean burner see Cleaning and Mainte nance Page 20 2 Problem will stop after a few hours of operation 1 Turn control knob to LO position and let warm...

Page 24: ...t see Cleaning and Main tenance Page 20 1 Locate and correct all leaks see Checking Gas Connections Page 12 2 Replace control valve 1 Locate and correct all leaks see Checking Gas Connections Page 12...

Page 25: ...o low If so contact your local propane LP or natural gas supplier TECHNICAL SERVICE You may have further questions about installation operation or troubleshooting If so contact CUI at 1 800 845 5301 W...

Page 26: ...cuiheat com 126345 01D 26 WIRING DIAGRAM Thermopile Jumper Wire...

Page 27: ...cuiheat com 126345 01D 27 PARTS BURNER SYSTEMS EWPO2430NV AND EWPO2430PV 3 1 6 2 18 19 8 9 10 11 16 17 15 12 14 13 5 4 7 2...

Page 28: ...R NG YELLOW FLAME 1 J5538 BURNER LP YELLOW FLAME 1 9 J6424 PILOT ODS COPRECI 243 MV LP 1 J6426 PILOT NG MV COPRECI 1 10 J3635 TUBE PILOT 1 11 J3569 CABLE IGNITER 1 12 J3618 INJECTOR 111 2 82MM 1 J3617...

Page 29: ...24R J0627 EWPO30R J0632 QTY 1 J6763 Rear Log 1 J6767 Rear Log 1 J6771 Rear Log 1 2 J6764 Middle Log 1 J6768 Middle Log 1 J6772 Middle Log 1 3 J6765 Front Log 1 J6769 Front Log 1 J6773 Front Log 1 4 J6...

Page 30: ...ar Bottom Log EW 1 F2894 30 Rear Bottom Log EW 1 2 F2884 18 Middle Bottom Log EW 1 F2889 24 Middle Bottom Log EW 1 F2893 30 Middle Bottom Log EW 1 3 F2883 18 Front Bottom Log EW 1 F2888 24 Front Botto...

Page 31: ...1760 Model GA6080 For Remote Ready and Variable Manually Controlled Models Permanently opens chimney flue damper for vented operation LAVA ROCK Cat No 80L42 formerly F0248 Model FDVS For all models Or...

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Page 35: ...approved by CUI Warranty parts must be obtained through authorized dealers of this product and or CUI who will provide original factory replacement parts Failure to use original factory replacement pa...

Page 36: ...e SC 29681 CUI reserves the right to make changes at any time without notice in design materials specifications and prices and also to discontinue colors styles and products Consult your local distrib...

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