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FOCUS ST Owner's Manual 

RSF Woodburning Fireplaces 

UNIT DIMENSIONS AND CLEARANCES 

 

 

Figure 1 Dimensions and Clearances 

 

Table 1 Dimensions and Clearances 

A  Distance of combustible material from side, back and top standoffs 

0"  (0,0 mm) 

Minimum distance of side wall to the side of the firebox opening, this does not allow 
to fully open the door. To be able to fully open the door without any interference from 
the side wall, it must be pushed back at least an additional 10". 

9"  (229 mm) 

Minimum ceiling height: measured from the base of the fireplace 
to the lowest point of the ceiling above the fireplace. Applies 
both to the inside and outside of the fireplace enclosure. 

Sealed enclosure 

 

Vented enclosure 

7' 

 

6' 

(2,13 m) 

 

(1,83 m) 

Minimum chimney height: minimum total chimney height from fireplace top to below 
the chimney rain cap 

– Refer to Table 2 on page 13 if elbows are present 

12'  (3,66 m) 

Maximum chimney height: maximum total chimney height from fireplace top to below 
the chimney rain cap 

40'  (12,19 m) 

Maximum chimney height supported by the fireplace 

16'  (4,88 m) 

G  Minimum depth of non-combustible hearth extension: from the front of the fireplace 

18"  (457 mm) 

Minimum width of non-combustible hearth extension: total width, must be centered 
on the firebox opening 

40"  (1,02 m) 

Minimum width of the spark guard 

36"  (914 mm) 

Maximum mantel shelf depth 

12"  (305 mm) 

Minimum height of a combustible mantel shelf above the top of the firebox opening: 
to the bottom of the combustible mantel shelf (refer to the "Installation: Mantel" 
section for particulars) 

24"  (610 mm) 

 

 

Refer to Table 1 (G)

for minimum depth
of hearth extension

Refer to Table 1
(B) for minimum

distance of side
wall to the
firebox
opening

Refer to Table 1 (H)

for minimum width
of hearth extension

Non-combustible hearth extension

and spark guard (refer to Table1
(I) and text for particulars)

Refer to

Table 1 (J)
for maximum

mantel shelf
depth

Refer to Table 1 (K)

for minimum mantel
shelf height above
the firebox opening

Summary of Contents for FOCUS ST

Page 1: ... Residential Factory Built Fireplace Operation Maintenance Installation FOCUS ST Keep these instructions for future use Industrial Chimney Company Inc 400 J F Kennedy St Jerome QC Canada J7Y 4B7 Telephone 450 565 6336 www icc rsf com ...

Page 2: ...ST 3 DO S AND DONT S 3 CREOSOTE FORMATION AND REMOVAL 3 GENERAL SPECIFICATIONS 4 CONTROLLING THE HEAT OUTPUT 4 OPTIONS 4 UNIT DIMENSIONS AND CLEARANCES 5 OPERATION 6 AIR CONTROLS 6 IMPORTANCE OF DRAFT 6 BURN TIME VS HEAT OUTPUT 6 FUEL 6 FIRST FIRES 7 LIGHTING 7 CONTROLLING THE FIRE 7 REFUELING 7 TROUBLESHOOTING PROBLEMS 8 MAINTENANCE 8 CHIMNEY CLEANING 8 DISPOSAL OF ASHES 8 GENERAL CLEANING 8 GLAS...

Page 3: ...he fireplace If you are unable to slow down the burn rate of the fire or if the chimney connector behind the top louver glows red you are overfiring the fireplace 10 DO NOT use a fireplace grate or other products not specified for use with this fireplace 11 DO NOT install a flue damper that would allow you to reduce the chimney draft and thus slow the minimum burn rate 12 To avoid damaging the fir...

Page 4: ...be ducted from the fireplace to a room above or on the same level as the fireplace Each gravity vent kit includes 5 of insulated flexible ducting a fireplace adapter an outlet grill adapter and a decorative outlet grill FO V2 FO VGC grill only for FO V2 FO V3 Additional 5 lenghts of insulated flexible ducting can be ordered with the part code FO DUCT5 Nevertheless gravity vents have a maximum leng...

Page 5: ... m E Maximum chimney height maximum total chimney height from fireplace top to below the chimney rain cap 40 12 19 m F Maximum chimney height supported by the fireplace 16 4 88 m G Minimum depth of non combustible hearth extension from the front of the fireplace 18 457 mm H Minimum width of non combustible hearth extension total width must be centered on the firebox opening 40 1 02 m I Minimum wid...

Page 6: ...ed into the chimney Weak draft can result in smoke entering the room and difficulty lighting or operating the fireplace Weak draft is often incorrectly associated as a blockage in the air intake for the fireplace Adding chimney height is the most common solution See Table 2 for minimum chimney height recommendations BURN TIME VS HEAT OUTPUT The faster your fireplace burns the more heat it will cre...

Page 7: ...s of cordwood Position your cordwood in a manner that the fire will hit several pieces as it rises and has air gaps to flow through Continue to leave one of the doors slightly open until the cordwood is lit Close the door completely when the fire is established if the fire goes out you ve shut the door too early WARNING DO NOT USE A GRATE OR ELEVATE THE FIRE WARNING MAKE SURE TO KEEP THE FIRE BEHI...

Page 8: ...ors prior to sweeping Use an 8 round brush DISPOSAL OF ASHES Remove the ashes before they become too deep before you have a spillage problem when you open any door The ashes should be placed in a metal container with a tight fitting lid The closed container of ashes should be placed on a non combustible floor or on the ground well away from all combustible materials pending final disposal If the a...

Page 9: ...ted to improve the alignment of the door latch with respect to the hole in the fireplace facing and for easy installation removal of the door NOTE An improperly adjusted door seal can have a significant effect on the performance and durability of the fireplace A poorly adjusted door can result in reduced efficiency over firing excessive wood consumption and premature fireplace failure LOUVERS All ...

Page 10: ...within 1 of both the floor and the ceiling to allow room air to circulate through the fireplace enclosure and reduce heat buildup These venting grilles may be placed vertically or horizontally SECURING THE FIREPLACE IN PLACE The fireplace MUST be attached to the floor Using the four small brackets that were securing the fireplace to the crate attach the casing or base of the fireplace to the floor...

Page 11: ...aterial over the fireplace facing grayed area refer to text for particulars Cold air trap optional Rain Cap Storm Collar Flashing Radiation Shield with a Storm Collar in the Attic Ceiling Radiation Shield Hearth Extension and Beneath Hearth Extension refer to text for particulars Outside Air Inlet refer to text for particulars Flashing And Roof Radiation Shield ...

Page 12: ... correctly positioned connect the outside air inlet to the outside see Figure 7 Use an insulated aluminium flexible duct rated at over 200 F 93 C The duct should not exceed 12 vertical rise above the base of the unit We suggest using the 4 RSF outside air kit FO INT The air inlet should always be at least 5 lower than the chimney rain cap and must never terminate in attic spaces A 4 diameter duct ...

Page 13: ...e heights For example if you are living 6015 above sea level your chimney should terminate at least 15 from the top of the fireplace if it is a straight chimney or at least 18 6 if one 30 offset is used as shown in Table 2 Table 2 Minimum Recommended Flue Heights Elevation ft Number Of Offset Straight Chimney 1 x 15 2 x 15 1 x 30 2 x 30 1 x 45 2 x 45 0 1000 Minimum 12 13 14 15 18 16 20 1001 2000 1...

Page 14: ...ng roofing nails or roofing screws WARNING DO NOT BLOCK ANY OF THE OPENINGS IN THE VENTED FLASHING WITH SEALANT CAULKING OR ANY OTHER MATERIALS 5 Place the storm collar over the chimney and flashing Place a bead of clear or grey exterior sealant around the chimney below the storm collar pull the storm collar through the sealant and seal it once again on the top with the exterior sealant DO NOT use...

Page 15: ...e in an outside chase If the chimney is enclosed once outside of the house do not install the outside plate of the angled wall insulated radiation shield Refer to the angled wall insulated radiation shield installation sheets for more detailed installations instructions CHASE ENCLOSURE If the chimney runs up the outside of the house we recommend that it be enclosed in a chase structure The chase s...

Page 16: ...eased through the liner from the fireplace enclosure As depicted in Figure 12 you must install at least one 18 length of EXCEL chimney after the EXCEL chimney elbow The uppermost part of the EXCEL chimney where it enters the masonry chimney must be a minimum of 12 from the ceiling NOTE If the ceiling is high enough you can install one or more EXCEL chimney lengths directly on the fireplace before ...

Page 17: ... before building the chimney as explained above and shown in Figure 12 The liner sections can easily be installed as the layers of brick are being placed Since this is a new chimney we recommend that you build it to the right size so you do not have to ovalize the liner but if you choose to use a 6 x10 clay liner you will need to ovalize the stainless steel liner to fit into the clay liner REMEMBE...

Page 18: ...example Combustible mantel posts of any depth can be installed on either side of the fireplace as long as they respect the same minimum distance as the side wall see Table 1 B Masonry and other non combustible mantel shelves can be placed directly above the top of the fireplace facing or higher If a non combustible mantel is desired at a height lower than the minimum height for a combustible mante...

Page 19: ...s and if the required clearances are met To convert the FOCUS ST please carefully follow the following steps 1 There is a 1 hole on both sides of the fireplace about 12 up from the bottom of the fireplace The gas line must come into the fireplace through one of these holes Choose the side of installation that is more convenient to you 2 There are a few parts that you need to remove from the FOCUS ...

Page 20: ...FOCUS ST Owner s Manual 20 RSF Woodburning Fireplaces LISTING LABEL The listing label is glued to the bottom of the fireplace Just remove the bottom louver ...

Page 21: ...FOCUS ST Owner s Manual 21 RSF Woodburning Fireplaces COMPLETE OPTIONS LIST ...

Page 22: ...FOCUS ST Owner s Manual 22 RSF Woodburning Fireplaces ...

Page 23: ...FOCUS ST Owner s Manual 23 RSF Woodburning Fireplaces REPLACEMENT PARTS Use only genuine RSF parts The use of any substitutes will void the warranty and may put your safety at risk ...

Page 24: ...racked refractory components Repairs or replacements necessitated by vandalism neglect abuse over firing improper fuel or fuel loads or failure to adequately service the unit as stated in the owner s manual Repairs or replacements particularly charges for travel and labor not authorized by RSF Woodburning Fireplaces in advance LIMITATIONS All items found to be defective will be replaced or repaire...

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