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117536-01B

7

CHECKING GAS CONNECTIONS

 WARNING: Test all gas piping 

and  connections,  internal  and 

external  to  unit,  for  leaks  after 

installing  or  servicing.  Correct 

all leaks at once.

 WARNING: Never use an open 

flame to check for a leak. Apply a 

noncorrosive leak detection fluid 

to all joints. Bubbles forming show 

a leak. Correct all leaks at once.

PRESSURE TESTING GAS SUPPLY 
PIPING SYSTEM 
Test Pressures In Excess Of 1/2 PSIG 
(3.5 kPa)

1.  Disconnect log set and its individual equipment 

shutoff valve from gas supply piping system. 

2.  Cap off open end of gas pipe where equipment 

shutoff valve was connected.

3.  Pressurize supply piping system by either us-

ing compressed air or opening main gas valve 

located on or near gas meter.

4.  Check all joints of gas supply piping system. 

Apply noncorrosive leak detection fluid to gas 

joints. Bubbles forming show a leak. 

5.  Correct all leaks at once.
6.  Reconnect  log  set  and  equipment  shutoff 

valve to gas supply. Check reconnected fit-

tings for leaks.

Test Pressures Equal To or Less Than 
1/2 PSIG (3.5 kPa)

1.  Close equipment shutoff valve (see Figure 5).
2.  Pressurize supply piping system by either us-

ing compressed air or opening main gas valve 

located on or near gas meter.

INSTALLATION

Continued 

Figure 5 - Checking Gas Joints

Gas Meter

Equipment Shutoff Valve

Burner Orifice 
(Factory Installed)

Burner Inlet Venturi 
(Attached to Pan 
Bottom)

Gas Connector 
Tube

Figure 6 - Connecting Gas to Appliance

Adapter 
Fitting

Burner Inlet Fitting 
(Factory Installed)

3.  Check all joints from gas meter to equipment 

shutoff valve (see Figure 5). Apply noncorro-

sive leak detection fluid to gas joints. Bubbles 

forming show a leak. 

4.  Correct all leaks at once.

HEARTH  KIT ASSEMBLY AND 
INSTALLATION

Kit Assembly - Ramp Pan Burner

1.  Determine which side the gas line feeds into 

the fireplace. This log set is factory set up for 

right side (facing) gas feed. If your gas line is 

on the right side, go to the 

Installation and Gas 

Connection

 section below. If your gas line is 

on the left side of the fireplace, proceed with 

steps 2 through 4 below. 

Note:

 Pilot kit can 

only be installed on the right (facing) side.

2.  Remove the nuts securing the gas inlet venturi 

to the bottom of the burner (see Figure 6). 

3.  Remove the venturi from the pan taking care 

not to damage the gasket between the venturi 

and the pan.

4.  Reverse the direction of the venturi and re-attach 

to the bottom of the pan using factory nuts.

Installation and Gas Connection

1.  Place the ramp burner assembly in the center 

of the fireplace floor. Make sure the front of 

pan faces forward.

2.  Thread the gas supply fitting to the fireplace 

gas supply pipe. Use thread sealant.

3.  Install the gas connector tube to the gas supply 

fitting. Carefully shape tube to attach to adapter 

fitting. Be careful not to cause kinks in tube.

4.  Attach opposite end of gas connector tube to 

the gas inlet fitting on the end of the venturi.

Summary of Contents for Comfort Glow SYCAMORE SPLIT SMS18

Page 1: ...e 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 Immediatelycallyourgassupplierfromaneighbor s phone Follow the...

Page 2: ...tilation air must be provided Refer to the National Fuel Gas Codes ANSI Z233 1 NFPA 54 Section 5 3 Air for Combustion and Ventilation This appliance may be installed in an aftermarket per manently loc...

Page 3: ...d and understand all warnings Keep this manual for reference It is your guide to safe and proper operation of this log set WARNING Any change to this log set or its controls can be dangerous WARNING D...

Page 4: ...stored under dusty conditions 8 Do not burn solid fuel in the replace after installing the log set Do not use this log set to cook food or burn paper or other objects 9 Do not use appliance if any par...

Page 5: ...e make sure that all of the speci cations shown are applicable before installation is attempted The replace must include a working ue and venting system with the minimum openings shown in the Figure 2...

Page 6: ...p within reach for test gauge hook up NPT tap must be upstream from log set see Figure 4 IMPORTANT Install equipment shutoff valve in an accessible location The equipment shutoff valve is for turning...

Page 7: ...d Burner Inlet Venturi Attached to Pan Bottom Gas Connector Tube Figure 6 Connecting Gas to Appliance Adapter Fitting Burner Inlet Fitting Factory Installed 3 Check all joints from gas meter to equipm...

Page 8: ...serve the individual tongues of ame on the burner Make sure that all ports are clear and produc ing ame evenly across the burner If any ports appear blocked clear them by removing the burner manifold...

Page 9: ...P Follow the safety information column 1 If you don t smell gas go on to the next step 4 Light a match and lay it on top of the pan material about 2 from the end of the sup ply side of the pan 5 Slowl...

Page 10: ...ing please have your model and serial numbers of your appliance ready You can also visit DESA s technical services web site at www desatech com REPLACEMENT PARTS Note Use only original replacement par...

Page 11: ...2 Adjust damper wide open and or have replace and vent ing professionally cleaned and checked 3 Separate the logs to allow more ame passage 4 Removeanyforeignitemsfrom the ame pattern and or check fo...

Page 12: ...ace control valve 1 Locate and correct all leaks see Checking Gas Connec tions page 7 OBSERVED PROBLEM Log set produces a clicking tick ing noise just after burner is lit or shut off Log set produces...

Page 13: ...only 3 pine cones per box ASH BED MATERIAL VERMICULITE GA9750A Not Shown For all models Use for rebox decoration only GLOWING EMBERS GA9950A Not Shown For all models Use for rebox decoration only SIL...

Page 14: ...www desatech com 117536 01B 14 ILLUSTRATED PARTS BREAKDOWN MODELS SMS18 AND SMS24 1 8 9 10 23 13 11 17 16 15 22 21 20 3 2 4 5 6 7 12 14 18 19...

Page 15: ...1 8 901242 01 901242 01 Damper Clamp Std Assy 1 9 11209 11209 Nut 10 24 2 10 117244 01 117244 02 Log Grate 1 11 117250 01 117251 01 Front Bottom Left Log 1 12 117250 02 117251 02 Front Bottom Right L...

Page 16: ...s war ranty The log set MUST be installed by a quali ed installer in accordance with all local codes and instructions furnished with the unit This warranty does not apply to parts that are not in orig...

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