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Related Manuals for SUPREME Astra 24
Summary of Contents for SUPREME Astra 24
- Page 1 Astra 24 Owner’s Manual Model Number: 24SFC This product is proudly manufactured in North America by SUPREME FIREPLACES INC. 3594 Jarry East, Montreal, QC H1Z 2G4 T: 877-593-4722, F: 514-593-4424 www.supremem.com Revised: July 2020 IMPORTANT: Keep the owner’s manual for future use.
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Page 2: Table Of Contents
CONTENTS SAFETY ..............................1 GENERAL INFORMATION .......................... 2 Overall Dimensions ..........................2 Specifications ............................3 Combustion Air Control ........................4 Cold Hand Key ............................ 4 Chimney Sweeping Cap ........................4 Door ..............................4 Certification Label ..........................5 Removable Ash Lip ..........................5 Blower Kit ............................ - Page 3 Chase Installation ..........................19 Clearances to Combustibles ......................20 Blower Kit ............................21 OPTIONS ..............................23 Hot Air Kit ............................23 Fresh Air Kit ............................24 OPERATION INSTRUCTIONS ........................26 Fuel ..............................26 First Fires ............................26 Operating the Combustion Air Control ....................26 Starting a Fire ............................
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Page 4: Safety
SUPREME FIREPLACES INC. congratulates you on purchasing an Astra 24 wood burning fireplace. This manual describes the installation and operation of the Astra 24 non-catalytic wood heater. This heater meets the 2020 U.S. Environmental Protection Agency’s crib wood emission limits for wood heaters sold after May 15, 2015. -
Page 5: General Information
2 GENERAL INFORMATION 2.1 Overall Dimensions Figure 2-2: Astra 24 Clean Face Dimensions Figure 2-1: Astra 24 Traditional Dimensions... -
Page 6: Specifications
75,000 BTU (21.9 kWh) Efficiency Protocol: CSA B415.1-10 WARRANTY REGISTRATION Please register your SUPREME product online at http://www.supremem.com/warranty.php to ensure full warranty coverage. Proof of purchase is required for all warranty claims. Depending on combustion air control setting (see Section 5.3 for further details). -
Page 7: Combustion Air Control
WARNING: Never manipulate the Combustion Air Control with bare hands as it gets hot when the Astra 24 is in operation. Use the Cold Hand Key (see Section 2.4) to adjust the Combustion Air Control. -
Page 8: Certification Label
2.8 Removable Ash Lip The Ash Lip is a removable accessory that comes standard with the Astra 24 fireplace (Figure 2-8). It is installed on the door holder (under the two small angled tags below the door) and prevents ashes from falling onto the front of the hearth. The Ash Lip can be installed with the door open or closed. -
Page 9: Blower Kit
(breaker off) before accessing the electrical wiring of the hot air kit. CAUTION: Only a hot air kit provided by SUPREME FIREPLACES INC. can be installed onto the fireplace. Substituting the hot air kit may result in overheating, will void the warranty and can be hazardous. -
Page 10: Installation Instructions
Figure 3-1: Straight Wall Installation instructions below before installing your Astra 24. 3.1 Location Determine the location of the Astra 24 by taking into consideration the following criteria: • The size of the room with respect to the heat output of the fireplace. -
Page 11: Chimney Installation
3.2 Chimney Installation The Astra 24 is approved with a 6” chimney that is listed under the UL 103 / ULC S629 standards (refer to Table 3-1). WARNING: Mixing chimney components from different brands is a safety hazard and will void the warranty on the unit. -
Page 12: Listed Ul 103 / Ulc S629 Approved Chimney Models (Reference Table)
3.2.2 Listed UL 103 / ULC S629 Approved Chimney Models (Reference Table) Note that only chimney models listed in Table 3-1 can be installed for the Astra 24. Table 3-1: List of Approved Chimney Models Manufacturer Models • HS, AC Triple Wall, 6” inner diameter American Metal •... -
Page 13: Offset Installation
3.2.6 Connecting to a Masonry Chimney The Astra 24 fireplace can be connected to a masonry chimney that complies with current national and municipal building codes. A 6 inch chimney liner that complies with ULC S635 M2000 (Canada) or UL 1777 (US) standards must be installed within the existing masonry chimney. - Page 14 The installation of the prefabricated chimney and the liner must comply with the manufacturer’s instructions. The following are instructions in installing the venting of the Astra 24 running through a masonry chimney: 1. Install the anchor plate onto the unit.
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Page 15: Surround Installation
3.3 Surround Installation The Astra 24 can be installed with either the Traditional surround or the Clean Face surround. 3.3.1 Traditional Surround The traditional surround comprises louvers below (intake) and above (outtake) the door. All components and fasteners are included in the surround kit. Refer to Figure 3-12 Table 3-2 for the instructions below. -
Page 16: Clean Face Surround
Figure 3-12: Traditional Surround Components Table 3-2: 24ATFA-11 Components TRADITIONAL SURROUND ITEM DESCRIPTION Front support bracket Traditional surround 3.3.2 Clean Face Surround The Clean Face surround comprises no louvers; however, an intake into the chase and an outtake through gravity ducts is required for this configuration. The instructions below describe the installation of the Clean Face surround. - Page 17 Figure 3-13: Intake Swivel Cover Kept Open for Clean Face Figure 3-14: Top and Bottom Front Cover Installation for Installations Clean Face Surround Figure 3-16: 8 Inch Knockouts for Gravity Kit Figure 3-15: Clean Face Surround Components Figure 3-17: Tabs Inside the 8 Inch Knockouts Table 3-3: 24ATFA-12 Components CLEAN FACE SURROUND ITEM...
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Page 18: Gravity Kit Installation
9. Measure the distance between the flange adapter on top of the unit and the flange of the duct/louver adapter and cut the 8 inch semi-rigid insulated duct (SUPREME part number UCAC8) to the necessary length. Repeat for the other outtake. - Page 19 WARNINGS: • The gravity ducts must extend upwards from the top of the unit and cannot exceed 10 feet. • The ducts should never extend downwards; only horizontally or upwards. • The air outtakes must be installed at a minimum of 64 inches from the floor. •...
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Page 20: Framing
3.6 Hearth Extension Figure 3-21: Minimum Astra 24 Framing Dimensions The hearth extension of the Astra 24 must comprise of a non-combustible material, such as steel, cement or mortar, bricks, or ceramic tiles. Note that unidentified materials combustible;... -
Page 21: Calculating R-Value
A hearth extension is constructed out of 4” of concrete with ¼” ceramic tiling. The total R-Value is: = (R ×T )+ (R ×T ) = (0.095 × 4")+ (0.080 × 0.25") = 0.400 Total As 0.400 is greater than 0.390, this hearth extension meets the requirements for the Astra 24. - Page 22 WARNING: Do not nail or screw the chase onto the fireplace. For the Clean Face surround option, two intake and two outtake openings must be constructed onto the chase. Refer to Figure 3-25 for minimum clearances. Figure 3-24: Traditional Astra 24 Chase Figure 3-25: Clean Face Astra 24 Chase...
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Page 23: Clearances To Combustibles
84” (2133 mm) Ceiling Base of unit Table 3-7: Mantel Clearances Distance from the Base of the Maximum Astra 24 to the Bottom of the Mantel Depth Mantel 3” (76 mm) 51.5” (1308 mm) 5” (127 mm) 53.5” (1359 mm) 7”... -
Page 24: Blower Kit
(rheostat) mounted on the wall. It is safe to operate the Astra 24 in the event of a power failure (blower not powered). Note: The blower sits on a fixture. If the blower needs to be removed for maintenance, the fixture’s pin needs to... - Page 25 WARNING: Make certain that the fireplace in not in operation and the blower is unplugged (breaker off) before accessing the electrical wiring of the blower kit. Figure 3-29: Access to Blower Figure 3-30: Blower and its Fixture...
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Page 26: Options
Figure 4-1: Hot Air Kit Parts List direct the ducts upwards or downwards. CAUTION: Only a hot air kit SU250 provided by SUPREME FIREPLACES INC. can be installed onto the fireplace. Substituting the hot air kit may result in overheating, will void the warranty and can be hazardous. -
Page 27: Fresh Air Kit
(refer to Figure 3-4). Note that the Astra 24 is designed to use a minimum amount of air during operation. Using an air exchanger or simply opening a nearby window/door during the ignition of the unit will achieve a similar result as the fresh air kit. - Page 28 • The air register can be installed above or below the level of the fireplace. • Use the SUPREME FIREPLACES INC. Fresh Air Adapter (ADP4) provided with the unit. • Use the SUPREME FIREPLACES INC. Fresh Air Kit (UPEA4). Installation: 1.
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Page 29: Operation Instructions
Due to oil residues and the curing of the paint of the fireplace, it is normal to smell an odor for the first fires of the Astra 24. Open a window or a door near the fireplace to ventilate the house during the first fires. -
Page 30: Starting A Fire
5.4 Starting a Fire The Astra 24 has patented technologies and innovative features that make starting a fire quick and easy. Before starting a fire, assure that all the safety precautions mentioned in the owner’s manual are being respected. The following instructions describe starting a fire in Astra 24 fireplace using a “top-down”... -
Page 31: Adding A New Load Of Wood
Once the embers begin to glow red, add the new load of wood in the firebox. e) Keep the door of the Astra 24 slightly unlatched until you see a flame in the firebox. Never leave the Astra 24 door unlatched without constant supervision. -
Page 32: Troubleshooting
Draft is the force created by a difference in pressure, which moves air from the appliance up through the chimney. It is important to operate the Astra 24 with proper draft to ensure optimal performance of the unit. Draft is depended on the length of the chimney, local geography, nearby obstructions and other factors. -
Page 33: Maintenance
(if needed) by a qualified technician. NOTE: Do not clean the chimney when the unit is in operation/hot. Follow the instructions below for sweeping the chimney of an Astra 24 fireplace: a) Open the door of the unit. -
Page 34: Cleaning Of Glass
WARNING: Do not operate the unit with any of the cast iron panels missing. 7.5 Replacement of Door Gasket SUPREME FIREPLACES INC. assembles heat resistant graphite coated gaskets on the doors of all products, allowing for a proper seal of the unit at extreme temperatures (up to 1000 F). -
Page 35: Replacement Of Glass
SFC0032 Wood pull handle a) Order the replacement kit for the Astra 24 glass. b) Remove, clean, and dispose any broken glass from the door and the surroundings. c) Remove the door from the firebox and place it face down on a soft surface. -
Page 36: Door Latch Maintenance
7.7 Door Latch Maintenance Lightly lubricate the hook of door latch (CM0031) on a yearly basis to prevent abrasive wear. Occasionally inspect the bushing of the door latch. If required, adjust the tightness of the latch bolt using a 5/32” hex key. 7.8 Paint Paint touch-ups can be performed on the unit using a high temperature paint (in aerosol spray can format) by Stove Bright®... -
Page 37: Parts List
Certification: VDE, CSA, UL, CE Thermo-disk Electrical rating: 120VAC, 15A Certification: UL/CSA Speed Control Electrical rating: 2.5 Amps, 115VAC – KB13 50/60Hz Certification: UL, ULC PA5000-01 Combustion Air Control CM0020 Cold Hand Key CPSP0301-01 Removable Ashlip Cast Iron Panel for Astra 24 24SFC1175... -
Page 38: Warranty
EXCLUSIONS: SUPREME FIREPLACES INC. shall not be responsible for any labor costs for the replacement or repair of any electrical components, painted/plated parts, secondary air burning system, and the combustion air control. The following parts are guaranteed for 1 year: blowers, painted/plated parts, secondary air burning system, and door gasket. - Page 39 In the case of a return for repair or replacement, it is the responsibility of the customer to adequately package the component/unit to prevent further damage during transport. Items sent to SUPREME FIREPLACES INC. without an open warranty claim will be returned to the sender.
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