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For more information, visit www.desatech.com

 WARNING: If the information in this manual is not 

followed exactly, a fire or explosion may result causing 

property damage, personal injury or loss of life.

—  Do  not  store  or  use  gasoline  or  other   flammable 

vapors and liquids in the  vicinity of this or any other 

appliance.

—  WHAT TO DO IF YOU SMELL GAS

•  Do not try to light any appliance.
•  Do not touch any electrical switch; do not use any 

phone in your building.

•  Immediately call your gas supplier from a neighbor’s 

phone. Follow the gas supplier’s instructions.

•  If you cannot reach your gas supplier, call the fire 

department.

—  Installation and service must be performed by a quali-

fied installer, service agency or the gas supplier.

INSTALLER: Leave this manual with the appliance.

CONSUMER: Retain this manual for future reference.

UNVENTED (VENT-FREE) GAS LOG HEATER

OWNER’S OPERATION AND INSTALLATION MANUAL

REMOTE-READy MODELS

CRB3624NR AND CRB3624PR

Also Design-Certified As Vented Decorative Appliances

Summary of Contents for CRB3624NR

Page 1: ...ny electrical switch do not use any phone in your building Immediatelycallyourgassupplierfromaneighbor s phone Follow the gas supplier s instructions If you cannot reach your gas supplier call the fir...

Page 2: ...at er 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 Ven tilation section on page 6 o...

Page 3: ...erates chemicals known to the state of California to cause cancer or birth defects or other reproduc tive harm IMPORTANT Read this owner s manual carefully and completely beforetryingtoassemble operat...

Page 4: ...age 19 To prevent performance problems do not use propane LP fuel tank of less than 100 lb capacity propane LP units only 20 Provide adequate clearances around air openings 1 This appliance is only fo...

Page 5: ...o not pick up heater base assem bly by burners This could damage heater Always handle base assembly by grate 2 Remove all protective packaging applied to logs and heater for shipment 3 Check all items...

Page 6: ...ation with flue damper closed It has been tested and approved to ANSI Z21 11 2 standard for unvented heaters State and local codes in some areas prohibit the use of vent free heat ers This heater may...

Page 7: ...m Btu Hr the space can support Example 2560 cu ft volume of space x 20 51 200 maximum Btu Hr the space can support 3 Add the Btu Hr of all fuel burning appliances in the space Vent free fireplace ____...

Page 8: ...lhelp circulatetheheatthroughoutthe house In the event of a power outage you can use this heater as your primary heat source Figure 2 Ventilation Air from Inside Building Or Remove Door into Adjoining...

Page 9: ...ALLATION AND CLEARANCES For Vent Free Operation WARNING Maintain the minimum clearances If you can provide greater clearances from floor ceiling and adjoin ing wall MINIMUM FIREPLACE CLEARANCE TO COMB...

Page 10: ...sured at 14 depth Figure 4 Minimum Clearance for Combustible to Wall Minimum 16 from Side Wall Example Carefully follow the instructions below This will ensure safe installation into a masonry UL127 l...

Page 11: ...does not meet the minimum clear ances shown you must do one of the following operate logs only with the flue damper open raise the mantel to an accept able height remove the mantel Figure 6 Minimum Ma...

Page 12: ...t Flue Opening 6 to 15 39 sq inches 15 to 30 29 sq inches Damper Damper Clamp Damper Damper Clamp Damper Figure 10 Attaching Damper Clamp Manufactured Fireplace Masonry Fireplace 14 Min Combustible Ma...

Page 13: ...HRC200 or HRC100 Receiver and Hand Held Remote Control Kit see Accessories page 31 before installing gas log heater See installation instructions included with the kit 1 Apply pipe joint sealant ligh...

Page 14: ...th Vent Pointing Down Installation Continued Purchase the optional CSAdesign certified equipment shutoff valve from your dealer See Accessories page 31 Minimum inlet pressure for purpose of input adju...

Page 15: ...equip ment shutoff valve from gas supply piping system Pressures in excess of 1 2 psig will damage heater regulator 2 Cap off open end of gas pipe where equip ment shutoff valve was connected 3 Press...

Page 16: ...5 11 If logs were removed from heater for in stall remote accessory replace logs see Installing Logs page 17 Installation Continued Figure 19 Disconnecting Jumper Wire From Control Valve Jumper Wire C...

Page 17: ...l and not leaning in toward burner where the flame will touch the log 3 Position front log as shown in Figure 23 making sure the grooves in the bottom of the log fit over the grate prongs Base Assembl...

Page 18: ...the OFF position see Figure 24 page 19 WARNING Burners will come onautomaticallywithinoneminute when the selector switch is in the ON position after the pilot is lit FOR YOUR SAFETY READ BEFORE LIGHT...

Page 19: ...Note If pilot goes out repeat steps 4 through 8 beginning on page 18 9 Slightly push in and turn control knob coun terclockwise to the ON position 10 Wait one minute and switch selector switch to the...

Page 20: ...de Button Locks System to Prevent Accidental Ignition Turns Burners On or Off Increases or Decreases Room Temperature in AUTO Mode Digital Display Shows Temperature and Settings MANUAL LIGHTING PROCED...

Page 21: ...ace off This feature is not available in the MANU mode 2 The receiver continuously receives sig nals from the hand held remote to control the room temperature If the hand held remote is misplaced obst...

Page 22: ...ater clean Inspect these areas of heater before each use Have heater inspected yearly by a qualified service person Heater may need more frequent cleaning due to excessive lint fromcarpeting pethair b...

Page 23: ...he unit off lightly blow air through the air inlet hole You may blow through a drinking straw if compressed air is not available LOGS If you remove logs for cleaning refer to Installing Logs page 17 t...

Page 24: ...ion 4 Air in gas lines when in stalled 5 Depleted gas supply pro pane LP only 6 ODS pilot is clogged 7 Gas regulator setting is not correct REMEDY 1 Reconnect ignitor cable 2 Free ignitor cable if pin...

Page 25: ...reset Repeat ignition operation 4 Fully open equipment shut off valve 5 A Contact local natural or propane LP gas company B Clean ODS pilot see Cleaning and Maintenance page 22 or replace ODS pilot a...

Page 26: ...ave gas line checked by local natural or propane LP gas company 3 Observe minimum installa tion clearances see pages 9 through 12 4 Clean burners see Clean ing and Maintenance page 22 or replace burne...

Page 27: ...d 1 Gas leak See Warning statement at top of page 2 Control valve or gas control defective 1 Foreign matter between control valve and burner 2 Gas leak See Warning statement at top of page 1 Hand held...

Page 28: ...www desatech com 120044 01D 28 Parts Models CRB3624NR and CRB3624PR LPG 5 6 21 14 22 14 23 24 2 19 20 16 1 18 17 10 11 4 3 8 8 12 14 13 7 15 9 8...

Page 29: ...101004 02 Rear Burner Injector Propane LP 1 12 101004 08 Front Burner Injector Natural 1 101004 06 Front Burner Injector Propane LP 1 13 112708 01 Remote Burner Tube 1 14 M12461 26 Screw 5 15 099918...

Page 30: ...acement parts This will protect your warranty coverage for parts replaced under warranty Parts Under Warranty Contact authorized dealers of this product If they can t supply original replacement part...

Page 31: ...GWMS2 For all models Allows the gas log heater to be turned on and off with a wall switch VENT FREE LOGMATE FIREBOXES Available in 32 36 and 42 models Circulating fireboxes feature louvers and an opt...

Page 32: ...proved by DESA Heating LLC Warranty parts must be obtained through authorized dealers of this prod uct and or DESA Heating LLC who will provide original factory replacement parts Failure to use origin...

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