SunStar CK18T-4-LP Installation And Owner'S Manual Download Page 11

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TROUBLESHOOTING 

TROUBLE CAUSE 

SOLUTION 

PILOT TROUBLE 

 

 

No spark.

 

 

Not pushing piezo all the way down until "click"

 

 

Lead wire loose at piezo igniter

 

 

Lead wire loose at electrode

 

 

Lead wire broken

 

 

Piezo ignitor not properly grounded

 

 

Electrode gap to ODS pilot not correct

 

 

Piezo ignitor is defective

 

 

Review Lighting Instructions

 

 

Tighten connection

 

 

Tighten connection

 

 

Replace lead wire

 

 

Tighten lock nut

 

 

Adjust gap to 3 mm (0.118")

 

 

Replace piezo ignitor

 

 

 

 

Spark, but no pilot ignition.

 

 

Pilot (ODS) clogged 

 

Main gas supply not on 

 

Knob not in "PILOT" position 

 

Knob not depressed enough when turning from 
"OFF" to "PILOT" 

 

Air in gas line when installed 

 

Defective pilot regulator (NG only) 

 

Clean pilot assembly and replace if necessary 

 

Turn on gas 

 

Make sure knob is in correct position 

 

Retry pressing knob all the way down 

 

 

Repeat ignition operation until air is eliminated 

 

Replace regulator 

 

 

 

Pilot goes out when knob is 
released.

 

 

Knob is not depressed long enough 

 

Pilot flame does not touch thermocouple 

 

Thermocouple connection at valve may be loose 

 

Thermocouple is damaged 

 

Gas valve is damaged 

 

After pilot is lit, hold down for 30 sec. 

 

Replace pilot if manifold gas pressure checks OK 

 

Tighten connection firmly 

 

Replace thermocouple 

 

Replace gas valve 

 

 

 

BURNER DOES NOT LIGHT 

 

 

Pilot stays lit.

 

 

Burner orifice clogged 

 

Burner orifices not correct size 

 

Extremely low inlet gas pressure 

 

Gas valve is defective 

 

Clean or replace orifices 

 

Replace with correct size 

 

Contact gas supplier 

 

Replace gas valve 

 

 

 

IMPROPER BURNER PATTERN 

 

 

Slight smoke or odor during 
initial operation.

 

 

Residues from manufacturing process or dust 

 

Problem will be eliminated after a few hours of 
operation 

 

 

 

Whistling noise during 
ignition or operation and 
backfiring

 

 

Burner orifice(s) restricted/damaged orifices 

 

Burner damaged or cracked 

 

Gas regulator malfunction 

 

Clean/replace burner 

 

Replace burner 

 

Replace regulator 

 

 

 

Not all burners lighting or 
burning properly.

 

 

Burner orifices are dirty 

 

Low gas pressure 

 

Knob adjusted between settings 

 

Clean or replace orifices 

 

Contact gas supplier 

 

Turn knob until it locks at desired setting 

 

 

 

Heater produces unwanted 
odors. 

 

Odors can be caused by odors in room such as 
paint, hair spray, new carpet, etc. 

 

Low fuel supply in LP tanks 

 

Ventilate room and discontinue use of odor 
producing products while heater is operating. 

 

If problem persists, contact gas supplier 

 

Refill supply tank 

 

 

 

HEATER SHUTS OFF IN USE

 

 

 

ODS operates properly. 

 

Enough fresh air is not available 

 

Open window for ventilation 

 

 

 

Even if well ventilated, ODS 
operates 

 

ODS malfunction 

 

Replace ODS assembly 

 

 

 

HEATER HAS BEEN UNDER 
WATER

 

 

Water in control section of heater 

 

 

DO NOT USE

.  Consult your gas supplier 

 

Summary of Contents for CK18T-4-LP

Page 1: ...ppliance CONSUMER Retain this manual for future reference 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 the section titled Combustion and ventilation air requirement Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other ...

Page 2: ...should stay away to avoid burns or clothing ignition 3 Young children should be carefully supervised when they are in the room with the heater 4 Do not install this heater at altitudes above 5000 ft because shutdown of the heater by the ODS system may occur due to reduced oxygen levels at these altitudes 5 This appliance is only for use with the type of gas indicated on the nameplate THIS APPLIANC...

Page 3: ...an unconfined space as a space whose volume is not less than 50 ft3 per 1 000 BTU Hr 4 8 m3 kw of the aggregate input rating of all appliances installed in that space Rooms communicating directly with the space in which the appliances are installed through openings not furnished with doors are considered a part of the space 20 WARNING If the area in which the heater may be operated is smaller than...

Page 4: ..._ x 20 Btu hr ____________________ Btu hr STEP 3 Add the Btu hr inputs of all fuel burning appliances in this space NOTE DO NOT include Direct Vent gas appliances because these have sealed combustion systems that draw combustion air from outdoors Examples of appliances to consider include gas ranges gas water heaters gas logs kerosene heaters etc Proposed Vent Free Heater _________________________...

Page 5: ... odorant in escaped gas can adsorb or absorb onto or into walls masonry and other materials and fabrics in a room That will take some of the odorant out of the gas reducing its odor intensity LP Gas may stratify in a closed area and the odor intensity could vary at different levels Since it is heavier than air there may be more odor at lower levels Always be sensitive to the slightest gas odor If ...

Page 6: ...rpeting tile or other floor covering When facing the front of the heater the clearance from any combustible materials must be a minimum of 13 from the left 13 from the right 36 from the top and 2 from the bottom Never install the heater in front of any flammable object especially do not place curtains furniture clothing or other flammable objects less than 36 from the front of the heater FLOOR MOU...

Page 7: ...tion as indicated in Figure 2 1 2 Drill two 2 5 16 holes according to the dimensions shown on the upper corner of Figure 2 1 3 Drill another 5 16 hole on the wall stud for the U hook as shown in Figure 2 2 4 Screw in the three 3 plastic expansion anchors furnished with the unit as shown in Figure 2 1 5 Screw in the furnished screws through the anchors as shown in Figure 2 1 6 Connect the gas line ...

Page 8: ...ply line shall be sized and installed to provide a sufficient supply of gas to meet the minimum demand of the heater without undue loss of pressure Typical Installation Supply Line Up to 20 000 Btu hr 3 8 or greater Up to 30 000 Btu hr 1 2 or greater 5 The sealant used on the threaded pipe joints of the gas pipe must be the specific type resistant to the action of Liquid Petroleum Gas Apply sealan...

Page 9: ...the beginning of the heating season If your pilot will not stay lit try cleaning it Use a can of compressed air such as is used to clean a computer to blow dust out of the pilot assembly Sometimes just blowing air back through the pilot will get rid of the dirt If that fails to solve the problem remove the wire clip that holds the metal strip onto the pilot assembly Remove the cover and blow any d...

Page 10: ... and rotate counterclockwise to P position 7 Depress control knob completely and without releasing knob press piezo igniter button repeatedly until pilot is lit 8 Continue depressing control knob for 30 seconds after pilot is lit before releasing If knob does not pop up when released stop and immediately call your service technician or gas supplier 9 Pilot should remain lit If the pilot will not s...

Page 11: ...gas valve BURNER DOES NOT LIGHT Pilot stays lit Burner orifice clogged Burner orifices not correct size Extremely low inlet gas pressure Gas valve is defective Clean or replace orifices Replace with correct size Contact gas supplier Replace gas valve IMPROPER BURNER PATTERN Slight smoke or odor during initial operation Residues from manufacturing process or dust Problem will be eliminated after a ...

Page 12: ... 1 LP Propane Gas SC18T 1 NG Natural Gas Models WARNING Failure to position the parts in accordance with these diagrams or failure to use only parts specifically approved with this heater may result in property damage or personal injury ...

Page 13: ...24 25 26 27 28 29 30 13 32 WARNING Failure to position the parts in accordance with these diagrams or failure to use only parts specifically approved with this heater may result in property damage or personal injury SC30T 1 LP Propane Gas SC30T 1 NG Natural Gas Models ...

Page 14: ... 13 33 34 36 37 38 40 41 45 44 43 42 39 M ODELS SC18T 1 LP and SC30T 1 LP Propane Gas SC18T 1 NG and SC30T 1 NG Natural Gas ...

Page 15: ...0 43590020 Adaptor 14 43585700 43585700 43585700 43585700 Tubing Valve To T Connector 15 43573050 43573050 43573050 43573050 Piezo Ignitor 16 43585700 Tubing Valve to ODS 17 43574050 43574050 Burner Five Plates 18 43597170 43597170 43597170 43597170 ODS Screw 19 43575140 43575030 Single Plate Orifice 20 43584040 43584040 43584110 43584030 ODS Assembly 21 43585710 43585710 43585710 43585710 Tubing ...

Page 16: ...15 Manufactured for SUNSTAR HEATING PRODUCTS INC 306 West Tremont Avenue Charlotte NC 28203 4946 704 372 3486 ...

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