Table of Contents
Advertisement
ATTENTION: READ THIS MANUAL AND ALL LABELS ATTACHED TO THE UNIT CAREFULLY BEFORE
ATTEMPTING TO INSTALL, OPERATE OR SERVICE THESE UNITS! CHECK UNIT DATA PLATE FOR TYPE OF GAS
AND ELECTRICAL SPECIFICATIONS AND MAKE CERTAIN THAT THESE AGREE WITH THOSE AT POINT OF
INSTALLATION. RECORD THE UNIT MODEL AND SERIAL No.(s) IN THE SPACE PROVIDED. RETAIN FOR FUTURE
REFERENCE.
Model No.
The use and storage of gasoline or other fl ammable vapors and liquids in open containers in
the vicinity of this appliance is hazardous.
cause property damage, injury or death. Read the installation, operating and
maintenance instructions thoroughly before installing or servicing this equipment.
instructions to avoid exposure to fuel substances or substances from incomplete
combustion which can cause death or serious illness. The state of California
has determined that these substances may cause cancer, birth defects, or other
reproductive harm.
Installer Please Note: This equipment has been test fi red and inspected. It has been shipped
free from defects from our factory. However, during shipment and installation, problems such
as loose wires, leaks or loose fasteners may occur. It is the installer's responsibility to
inspect and correct any problems that may be found.
RECEIVING INSTRUCTIONS
Inspect shipment immediately when
received to determine if any damage
has occurred to the unit during
shipment. After the unit has been
uncrated, check for any visible
damage to the unit. If any damage is
found, the consignee should sign
the bill of lading indicating such
damage and immediately file claim
for damage with the transportation
company.
01/11
INSTALLATION INSTRUCTIONS AND SERVICE MANUAL
STERLING SEPARATED COMBUSTION
GAS-FIRED INDOOR DUCT FURNACE
If you smell gas:
1. Open windows.
2. Don't touch electrical switches.
3. Extinguish any open fl ame.
4. Immediately call your gas supplier.
Improper installation, adjustment, alteration, service or maintenance can
APPROVED FOR USE IN CALIFORNIA
Install, operate and maintain unit in accordance with manufacturer's
INSTALLER'S RESPONSIBILITY
Serial No.
FOR YOUR SAFETY
FOR YOUR SAFETY
260 NORTH ELM ST., WESTFIELD, MA 01085
TEL: (413) 564-5540
HVAC PRODUCTS
FAX: (413) 562-5311
www.sterlinghvac.com
MODELS: QVSD-100 thru 400
(S) SCDFM-4
J30-05374
Advertisement
Table of Contents
Related Manuals for Sterling QVSD-100
Summary of Contents for Sterling QVSD-100
- Page 1 If any damage is TEL: (413) 564-5540 FAX: (413) 562-5311 found, the consignee should sign www.sterlinghvac.com the bill of lading indicating such damage and immediately file claim for damage with the transportation MODELS: QVSD-100 thru 400 company. 01/11...
-
Page 2: Table Of Contents
TABLE OF CONTENTS GENERAL SAFETY INFORMATION SEPARATED COMBUSTION DUCT FURNACE ........1,2,3 SPECIFICATIONS ............................4 PERFORMANCE DATA ..........................5 CLEARANCES .............................6 INSTALLATION Location ............................6 Ductwork, Air Flow ........................6,7 Suspension ............................7 Electrical Connections, Wiring Diagrams .................8,9,10 Combustion Air Piping ........................11 Exhaust Venting ........................11,12,13 Gas Piping .............................14 Pipe Installation ........................15,16,17 OPERATION Explanation of Controls .........................18... - Page 3 GENERAL SAFETY INFORMATION Failure to comply with the general Use only the fuel for which the duct furnace is designed safety information may result in extensive (see rating plate). Using LP gas in a heater that requires property damage, severe personal injury, or natural gas, of vice versa, will create risk of gas leaks, death! carbon monoxide poisoning, and explosion.
-
Page 4: Specifications
SPECIFICATIONS Table 1 D (Dia)*† Gas Inlet Weight Unit Size (mm) (mm) (mm) (mm) Nat. (kg) 17-7/8 15-1/2 17-1/8 (454) (394) (435) (102) (73) 20-5/8 18-1/4 19-7/8 (524) (464) (505) (102) (82) 20-5/8 18-1/4 19-7/8 (524) (464) (505) (102) (85) 23-3/8 22-5/8 (594) -
Page 5: Performance Data
PERFORMANCE DATA Table 2 Input Output (Max.) (Min.) Min. Temp. Rise P.D. Max. Temp. Rise P.D. Unit Deg. F. in. of W.C. Deg. F. in. of W.C. Size (kW) (kW) (kW) (cu. m/s) (Deg. C.) (kPa) (cu. m/s) (Deg. C.) (kPa) 0.10 3,700... -
Page 6: Clearances
CLEARANCES Under no circumstances should NOTICE: Increasing the clearance distances may be combustible material be located within the necessary if there is a possibility of distortion or clearances specifi ed in Table 3. Failure to provide discoloration of adjacent materials. proper clearance could result in personal injury or equipment damage from fi... -
Page 7: Suspension
INSTALLATION (Continued) If uniform air distribution is not obtained, install additional SUSPENSION: Refer to Figure 4 for typical suspension baffl es and/or turning vanes in the ductwork. arrangements. Access panels large enough to observe smoke and The Separated Combustion Duct refl... - Page 8 INSTALLATION (Continued) Mount the thermostat approximately 5 feet (1.5m) above ELECTRICAL CONNECTIONS the fl oor, in an area where it will be exposed to a free circulation of average temperature air. Always refer to the thermostat instructions, as well as our unit wiring HAZARDOUS VOLTAGE! diagram, and wire accordingly.
- Page 9 Figure 6 - Standard Wiring Diagram for Unit with Honeywell Ignition System.
- Page 10 Figure 7 - Standard Wiring Diagram for Unit with Johnson Ignition System...
-
Page 11: Combustion Air Piping
INSTALLATION (Continued) FAN TIME DELAY CONTROL (OPTIONAL) 4. Use single wall pipe constructed of 26 gauge galvanized steel, or material of equivalent durability Leads from the fan time delay control are factory wired to and corrosion resistance for the combustion air the junction box (when ordered as an optional component). - Page 12 INSTALLATION (Continued) 3. Each unit MUST have its own vent system. It MUST For a VERTICAL vent pipe section that passes through a NOT be connected to other vent systems or to a floor or roof, an opening 4 inches (102mm) greater in chimney.
- Page 13 Figure 8A. Horizontal Intake/Vent Locations CAT-2765 Figure 9. Vertical Vent Installation CAT-2766 Figure 9A. Horizontal Vent Installation CAT-2767...
-
Page 14: Gas Piping
GAS PIPING To avoid damage or possible NOTICE: See General Safety Information section for personal injury, do not connect gas piping to this English/Metric unit conversion factors. unit until a supply line pressure/leak test has been completed. Connecting the unit before NOTICE: If more than one duct furnace is to be served completing the pressure/leak test may damage by the same piping arrangement, the total cu. -
Page 15: Pipe Installation
PIPE INSTALLATION Figure 10- Pipe Installation, Standard Controls 1. Install the gas piping in accordance with applicable local codes. 2. Check gas supply pressure. Each duct furnace must be connected to a manifold pressure and a gas supply capable of supplying its full rated capacity as specifi... - Page 16 Figure 11 - Burner Components – Intermittent Pilot Ignition BURNER DRAWER COMMON PARTS: MAIN BURNERS BURNER MANIFOLD AIR SHUTTERS BURNER SPRINGS MAIN BURNER ORIFICE TRANSFORMER PILOT TUBING CONTROLS: 8A. MAIN GAS VALVE (HONEYWELL) 8B. MAIN GAS VALVE (WHITE RODGERS) HONEYWELL IGNITOR HONEYWELL PILOT BURNER HONEYWELL PILOT ORIFICE HONEYWELL ELECTRODE/SENSOR LEAD...
- Page 17 GAS INPUT RATE Table 6 - Main Burner Orifi ce Schedule* TYPE OF GAS NATURAL PROPANE Never overfi re the duct furnace, as this may cause unsatisfactory operation, or shorten the 1075 BTU/Ft 2500 BTU/Ft INPUT HEATING VALUE (40.1 MJ/m (93.1 MJ/m life of the heater.
-
Page 18: Operation
OPERATION Never operate the unit beyond the INITIAL LIGHTING specified limits or severe damage to, and/or 1. Open the manual gas valve, in the gas supply line to premature failure of, the unit will result! the duct furnace. Loosen the union in the gas supply line to purge it of air. -
Page 19: Maintenance
MAINTENANCE PERIODIC SERVICE 2. Turn off the manual gas valve and electrical power to the duct furnace. Open all disconnect switches and 3. To clean or replace the main burners, open the bottom panel and compress the spring by moving the burner secure in that position before servicing unit. -
Page 20: Component Parts
Figure 15 - Power Venter Assembly REF. REF. DESCRIPTION DESCRIPTION Blower Housing Assembly Junction Box Cover Snap Bushing Speed Nut Motor Relay (Motor) Draftor Stack Assembly Washer, Plain Plate Adapter Tubing (Aluminum) Formation Blower Wheel Male Connector Locknut Mounting Bracket (Pressure Switch) Mounting Bracket (Junction Box) Hole Plug Pressure Switch Cover... -
Page 21: Troubleshooting Chart
Table 7 - Troubleshooting Guide SYMPTOMS POSSIBLE CAUSE(S) CORRECTIVE ACTION A. Flame lifting from 1. Reset manifold Pressure. Refer to 1. Pressure regulator set too high. burner ports. “Operation”. 2. Defective regulator. 2. Replace regulator section of combination gas valve or complete valve. - Page 22 Table 7 - Troubleshooting Guide SYMPTOMS POSSIBLE CAUSE(S) CORRECTIVE ACTION G. Delayed ignition. 1. Close air shutter. Refer to 1. Excessive primary air. “Operation”. 2. Main burner ports clogged near 2. Clean main burner ports. pilot. 3. Reset manifold pressure. Refer 3.
- Page 23 Table 7 - Troubleshooting Guide SYMPTOMS POSSIBLE CAUSE(S) CORRECTIVE ACTION L. Rapid burner cycling. 1. Tighten all connections. 1. Loose wire connections at gas valve or thermostat. 2. Adjust thermostat for longer 2. Excessive thermostat heat cycles. Refer to “Operation”. anticipator.
- Page 24 Table 7 - Troubleshooting Guide SYMPTOMS POSSIBLE CAUSE(S) CORRECTIVE ACTION O. Power ventor will not run. 1. Check and tighten all wiring 1. Loose wiring. connections per diagrams. Thermostat wires tagged “W” and “G” must be connected together (unless special thermostats are used;...
- Page 25 Table 7 - Troubleshooting Guide SYMPTOMS POSSIBLE CAUSE(S) CORRECTIVE ACTION V. Cold air is delivered 1. Refer to "Operation". 1. Incorrect manifold pressure during heater operation. or input. 2. Check motor voltage with fan 2. Voltage to unit too high. running.
-
Page 26: Warranty
HOW TO ORDER REPLACEMENT PARTS Please send the following information to your local representative; If further assistance is needed, contact the manufacturer's customer service department. • Model number • Serial Number (if any) • Part description and Number as shown in the Replacement Parts Catalog. LIMITED WARRANTY SEPARATED COMBUSTION DUCT FURNACE The “Manufacturer”... -
Page 28: Start Up/Inspection Sheet
GAS EQUIPMENT START-UP Customer ____________________________________ Job Name & Number _________________________ PRE-INSPECTION INFORMATION With power and gas off. Type of Equip: Unit Heater Duct Furnace Indoor Rooftop Serial Number _________________________ Model Number __________________________ Name Plate Voltage: _____________ Name Plate Amperage: _____________ Type of Gas: Natural Tank Capacity _______ lbs.
Need help?
Do you have a question about the QVSD-100 and is the answer not in the manual?
Questions and answers