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ALL APPLICATIONS (VENTED and VENT FREE OPERATION)

Pilot Adjustment and Operation:

The Pilot flame should be steady and soft blue surrounding 1/8 
inch of the thermocouple tip as shown in Figure 15.

OP AMERICA Standard (Manual Models):
1.

To adjust, insert  a narrow long stem screw driver throughPilot 
Access Port
 (see figure 10) to turn pilot adjustment screw .

2.

Turn clockwise for less pilot flame.

3.

Turn counterclockwise for more pilot flame.

OP AMERICA Millivolt (Switch Model)

NOTE: The OP America Millivolt Pilot/ODS is equipped with a

THERMOGENERATOR (Switch Models)

LP THEMOCOUPLE

NAT  GAS 

THERMOCOUPLE

PIEZO SPARKER

PILOT FLAME

Figure 15

AIR INTAKE

HOLES

quick acting thermocouple allowing gas flow to the pilot after approximately 30-40 seconds.  An additional 60 to 
90 seconds time is required to adequately heat the thermogenerator and allow gas to the main burner(s).

1.

If adjustment is necessary, use a narrow long stem screw driver to turn pilot adjustment screw  (see Figure 12).

2.

To adjust  turn clockwise for less pilot flame, counterclockwise for more pilot flame.

Normal Operating Characteristics:

Each and every CHILLBUSTER that leaves the factory is quality checked to ensure compliance with our

American Gas Association certification.  This check includes an operational test to ensure both satisfactory
combustion and proper operation.

Each installation site for any vent free heater presents its own unique combustion environment.  Specific factors

such as weather tightness of the home, size of the room in which the heater is installed, central heating, ceiling
fans,drafts, altitude, the size of the firebox, paint or soot inside the firebox, etc., all have an influence on the proper
operation of any vent free gas log set.  A normally operating
CHILLBUSTER Gas Log Heater will possess the following
characteristics:

Clean burning combustion, which, after normal break in, will produce

no soot or smoke.

A full bodied, lively flame.  The flame will be blue at the base and a

combination of blue and yellow at the body and tips. Figure 16.

Produce no odor other than the normal odors associated with the

combustion of Natural or Propane gas.

Will produce water  vapor (increase indoor humidity) which may be

beneficial during the dry heating season.

Figure 16

Customer Responsibilities And Annual Maintenance:

• Keep the area around the CHILLBUSTER free and clear from debris. From time to time, visually check pilot and 

burner flames for proper appearance (Figures 15 and 16).  Normal flame color should be yellow body surrounded
by a hard blue haze.

• The pilot, air shutters and burners must be free of lint and dirt for optimum performance.  Air shutters which have 

been closed or are obstructed with debris will not allow sufficient combustion air into burner.  Air shutters should be
periodically cleaned of debris.  Use compressed air or a soft bristle brush to clear pilot and burner(s) air intakes.  Air

shutters should not be altered from factory settings"WARNING: Failure to keep the primary air
opening(s) of the burner(s)clean may result in sooting or property damage."
• Obstructed Pilot Air Intake Ports result in an improper gas/air mixture and a weak pilot flame.  Weak pilot flame 

is the NUMBER 1 SERVICE ISSUE RE NUISANCE SHUT-OFF.  Using canned compressed air , pipe 
cleaner or an artist's brush, clean out the opposing Air Intake Ports located at base of Pilot (where gas supply line 
attaches to pilot).  (Figure 15)

Do not operate in a dirty firebox or in a previously used firebox which has not had all soot completely removed or it's

chimney  flue cleaned. Previously used fireboxes must have flue and stack professionally cleaned by a chimney
sweep.  Additionally, firebox walls and damper must also be thoroughly cleaned of all burn residue and soot using a
damp cloth, sponge or brush.

Do not operate this set with any logs other than the RASMUSSEN CHILLBUSTER Refractory Logs specifically

designed and approved for use with this Burner System.

Do not use with blower inserts or heat exchangers.

If used, glass doors must be wide open when burner is on.

Do not remove Rating Plate/Warning Tags. These tags serve you and any future user as an integral safety and

identification component of the CHILLBUSTER gas log heater.  Removing these tags voids the warranty.

WARNING:  Do not allow fans to blow directly into fireplace.  Avoid any drafts that alter burner

flame patterns. Do not place blower inside area of firebox. Ceiling fans may create drafts that alter burner flame
patterns. Sooting and improper burning may occur. Sooting can settle on household surfaces outside the fireplace.

During periods of heavy use, inspect frequently for evidence of sooting. If sooting is present, discontinue

use until source of sooting is determined and corrected.

Maintain log positioning as shown in Figures 5 and 6 or 7 and 8 at all times.

10

Summary of Contents for DFC18-DFC1-R-N

Page 1: ...isted ventless firebox enclosure 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 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 WARNING Improper installation adjustment alteration ...

Page 2: ...e a CHILLBUSTER is installed 3 The minimum size in inches of the fireplace in which this CHILLBUSTER is to be installed must be as follows SET SIZE MODEL NUMBER FRONT WIDTH HEIGHT DEPTH 18 24 30 18 24 30 18 24 30 18 24 30 K W KW 18 C1C M S R N P 23 000 BTU HR K W KW 24 C1C M S R N P 23 000 BTU HR K W KW 30 C1D M S R N P 23 000 BTU HR K W KW 18 C1A M S R N P 40 000 BTU HR K W KW 24 C1A M S R N P 40...

Page 3: ...BUSTER is very realistic in appearance it is not a real wood burning fireplace Matches paper garbage or any other material must not be thrown on top of the logs or into the flames Avoid contact with the logs grate or any other part which may be hot Always ensure that the fireplace screen is closed when the appliance is operating State or local codes may only allow operation of this appliance in a ...

Page 4: ...rtable Btu Hr 72 000 Btu Hr Actual Btu Hr Used 11 840 Btu Hr Excess Non Supportable Btu Hr In the example because the Actual Btu Hr Used exceeds the Maximum Supportable Btu hr the space would be considered a Confined Space requiring you to either increase the Maximum Supportable Btu Hr decrease the Actual Btu Hr Used or operate as a Vented Appliance see page 3 Adequate Combustion And Ventilation A...

Page 5: ...mbing electrical and gas lines and at other openings WARNING CARBON MONOXIDE POISONING MAY LEAD TO DEATH When used without fresh air gas log sets may give off carbon monoxide an odorless colorless poisonous gas Some people pregnant women persons with heart or lung disease anemia or under the influence of alcohol and persons at high altitudes are more affected by carbon monoxide than others Early s...

Page 6: ...BOX Figure 3 4 Standard Fireplace Hood with a minimum 4 inch horizontal projection beyond vertical surface ABOVE hood as provided by most major fireplace manufacturers IF YOU CANNOT MEET THESE MINIMUM CLEARANCES YOU MUST OPERATE HEATER WITH CHIMNEY FLUE DAMPER OPEN Operate as a VENTED Heater See Page Three ALL APPLICATIONS VENTED and VENT FREE OPERATION ASSEMBLY AND INSTALLATION INSTALLING CHILLBU...

Page 7: ...P VIEW FRONT VIEW Front Log Rear Log Top Log Large R Top Log Large L Top Log Small L Top Log Small R Front Log Rear Log Top Log Large R Top Log Small R Top Log Large L Top Log Small L Main burner 24 30 sets 24 30 sets Figure 5 Figure 6 WARNING Failure to position parts in accordance with these diagrams or failure to use only parts specifically approved with this heater may result in property damag...

Page 8: ... Valve Knob until air is bled and gas flows to pilot Press PIEZO IGNITOR Button Figure 9 to light pilot Continue to hold valve knob in until Pilot remains lit when knob is released 5 Slowly turn knob to ON The rear burner will light from the pilot The front burner will light from the carry over tube 6 If appliance fails to light or if pilot goes out repeat steps 1 through 5 7 For complete shutdown...

Page 9: ...rared and operate instantly and requires you to aim and hold the transmitter for 1 to 3 seconds to operate Manual Operation Receiver switch position ON or OFF does not require batteries Remote Operation Requires good batteries If you turn the gas log on using the remote control and then turn the set off by sliding the receiver switch from REMOTE to OFF when you replace the switch to REMOTE it will...

Page 10: ... the area around the CHILLBUSTER free and clear from debris From time to time visually check pilot and burner flames for proper appearance Figures 15 and 16 Normal flame color should be yellow body surrounded by a hard blue haze The pilot air shutters and burners must be free of lint and dirt for optimum performance Air shutters which have been closed or are obstructed with debris will not allow s...

Page 11: ... 20 21 22 24 26 31 30 23 25 2 8 32 33 40 41 42 43 50 51 60 61 62 1 O22 Burner 40 000 BTU or 9 Push Button Ignitor DFC1 C1C Double Face 43 Valve Knob O38 Burner 23 000 BTU 10 Inlet Aluminum Connector 30 Grate 2 Pilot Manifold Tubing C1A C and C1B D 31 Front Logs 2 MILLIVOLT SWITCH SETS 3 O D S Assembly Natural or 20 Grate 32 Top Logs 2 Large 50 Manual 3 Way Switch and O D S Assembly Propane 21 Fron...

Page 12: ...y as set forth herein and applies only for the periods designated above 2 RASMUSSEN shall not be liable for any loss damage incidental or consequential damages of any kind whether based upon warranty contract or negligence arising in connection with the sale use or repair of the product Some states do not allow the exclusion or limitation of incidental or consequential damages so the above limitat...

Page 13: ...CPW CB 2 96 CHANGES next page 1 standard update z21 11 2a 2001 DUE 4 03 standard update z21 11 2b 2002 DUE 12 03 13 ...

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