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Sterling TF-400 manual

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Table of contents for the manual

  • Page 1

    (S) DSTBIM-3 J30-06935 INST ALLA TION INSTR UCTIONS AND P AR TS LIST TUBULAR GAS FIRED DIRECT SP ARK PROPELLER UNIT HEA TERS Model No . Serial No. A TTENTION: READ THIS MANU AL AND ALL LABELS A TT A CHED T O THE UNIT CAREFULL Y BEFORE A TTEMPTING T O INST ALL, OPERA TE OR SER VICE THESE UNITS! CHECK UNIT D A T A PLA TE FOR TYPE OF GAS AND ELECTRICA[...]

  • Page 2

    2 T ABLE OF CONTENTS The f ollowing ter ms are used throughout this man ual, in addition to the ETL requirements to br ing attention to the presence of potential hazards, or to important information concer ning the product: Indicates an imminently hazar dous situation which, if not av oided, will result in death, serious injury , or substantial pr [...]

  • Page 3

    3 GENERAL SAFETY INFORMA TION Failure to compl y with the general safety inf ormation may result in extensive property damage, severe personal injury , or death. This product must be installed b y a licensed plumber or gas fi tter when installed within the Commonwealth of Massachusetts. Installation must be made in accor dance with local codes, or[...]

  • Page 4

    4 C E (Hanging) 1-3/8" (35) (Hanging) G D 32-1/2" (826) 11-5/8" (295) (Hanging) H (Discharge Opening) 33" A B L F (Discharge Opening) 1" (25) Electrical Control Panel Gas Valve D4617 Rear View Side View Front View Flue * T able 1 - P erformance and Dimensional Data - T ubular Pr opeller Unit Heater Unit Size 100 125 150 175[...]

  • Page 5

    5 INST ALLA TION Do not install unit heaters in corrosive or fl ammable atmospheres! Premature failure of, or severe dama g e to the unit will result! A void locations where e xtreme drafts can affect b urner operation. Unit heater s must not be installed in locations where air f or combustion w ould contain chlorinated, halo- genated or acidic va[...]

  • Page 6

    6 Figure 3A Figure 3B - Heater Mounting* *All hanging hard ware and wood is not included with the unit (T o be fi eld supplied). Figure 3C INST ALLA TION (continued) CLEARANCES: Each Gas Unit Heater shall be located with respect to building construction and other equipment so as to permit access to the Unit Heater. Clearance between v er tical wal[...]

  • Page 7

    7 GAS PIPING T o av oid damage or possible personal injury , do not connect gas piping to this unit until a supply line pressure/leak test has been completed. Connecting the unit bef ore completing the pressure/leak test may dama g e the unit gas v alve and result in a fi re hazard. Do not rely on a shut-off v alve to isolate the unit while conduc[...]

  • Page 8

    8 PIPE INST ALLA TION Figure 4 - Pipe Installation, Standard Contr ols Never use an open fl ame to detect gas leaks. Explosive conditions may e xist which may result in per sonal injury or death! The appliance and its individual shutoff valv e must be disconnected from the gas supply piping system during any pressure testing of that system in e xc[...]

  • Page 9

    9 HAZARDOUS V OL T A GE! DISCONNECT ALL ELECTRIC PO WER INCLUDING REMO TE DISCONNECTS BEFORE SER VICING. Failure to disconnect power bef ore servicing can cause severe personal injury or death. Standard units are shipped f or use on 115 volt, 60 her tz, single phase electric power . The motor name-plate and electrical rating of the transf or mer sh[...]

  • Page 10

    10 ELECTRICAL CONNECTIONS (continued) Figure 5d - T ubular Units Equipped with Natural Gas and Pr opane (LP) Gas[...]

  • Page 11

    11 ELECTRICAL CONNECTIONS (continued) Figure 5e - T ubular Unit Sizes with Optional 2 Stage Ignition[...]

  • Page 12

    12 VENTING Obser v e the follo wing precautions when venting the unit: 1 . Use flue pipe of the same siz e as the flue connections on the gas unit heater (See T able #1). All heaters should be vented with UL Listed T ype B vent, a f actory built chimney , or a lined brick and mor tar chimne y that has been constr ucted in accordance with the Nation[...]

  • Page 13

    13 HORIZONT ALL Y VENTED UNIT HEA TERS (CA TEGOR Y III) Horizontal venting arr angements are designed to be used with single wall v ent pipe. Hor iz ontal venting arrangements must terminate external to the building using either single wall or doub le wall (T ype B) vent. If single wall v ent pipe is used, it must be constructed of 26 gauge galvani[...]

  • Page 14

    14 ADDITIONAL REQUIREMENT FOR CANADIAN INST ALLA TIONS REFER TO SPECIFICA TION T ABLE AND INST ALLA TION MANUAL FOR PR OPER USAGE. * The follo wing instr uctions apply to Canadian installations in addition to installation and operating instructions. 1. Installation must conform with local building codes , or in the absence of local codes, with curr[...]

  • Page 15

    15 Figure 8A Figure 8B VENTING (continued)[...]

  • Page 16

    16 VENTING (continued) Figure 9A Figure 9B[...]

  • Page 17

    17 OPERA TION PO WER VENTED PROPELLER UNITS DIRECT SP ARK IGNITION EXPLANA TION OF CONTR OLS (See Figure 10): 1. The unit heater is equipped with a power v ent system that consists of a power v enter motor and blo wer , pressure s witch, and sealed fl ue collector in place of the conv entional draft div er ter . 2. The power v enter motor is energ[...]

  • Page 18

    18 PRIMAR Y AIR SHUTTER ADJUSTMENT Primar y air adjustment is made at the f actor y . No fi eld adjustments are necessary . GAS INPUT RA TE 2. PR OP ANE GAS: An exact manif old pressure of 10.0 inches W .C. (2.5 kP a) must be maintained f or proper operation of the unit heater . If the unit is equipped with a pressure regulator on the combination [...]

  • Page 19

    19 3.5 3.5 3.3 3.2 3.2 3.2 3.1 3.1 3.0 3.0 2.9 2.9 2.8 2.8 2.7 2.7 2.6 948 931 914 897 881 865 849 833 818 802 787 771 756 741 726 711 696 TUBULAR UNIT HEA TER HIGH AL TITUDE DERA TION This T ubular Unit Heater has been manuf actured utilizing standard burner orifi ces and a nor mal manif old pressure setting as per the specifi cations shown on y[...]

  • Page 20

    20 1. Bur ner orifi ce too small. 1. Irregular orifi ce causing whistle or resonance. 2. Excessive gas input. 1. Clogged main burners. 2. Misaligned orifi ces. 3. Insuffi cient combustion air . 4. P ossibly ov er fi red. 1. Block ed venting. 2. Insuffi cient combustion air . 3. Block ed heat exchanger . 4. Air leak into combustion chamber or [...]

  • Page 21

    21 1. Ther mostat located incorrectly . 2. Improper ther mostat wiring. 3. Shor ted circuit. 4. Defectiv e sticking gas valv e. 5. Excessive gas supply pressure . 1. Loose electrical connections at ther mostat or gas valv e. 2. Excessive thermostat heat anticipator setting. 3. Unit cycling on high limit. 4. P oor ther mostat location. 1. P ower ven[...]

  • Page 22

    22 Q. Cold air is delivered during heater operation. R. High limit tripping. S. P ower v entor will not r un. T . P ower v entor tur ns on and off during operation. U. Po wer ventor will not stop . 1. Refer to “Operation”. 2. Refer to “Operation”. 1. Bur ner orifi ces ma y be too large, verify and replace. 2. Check f or proper voltage, ens[...]

  • Page 23

    23 T able 6 - T ubular Pr opeller T r oubleshooting with LED Indicator Assistance No Cycling or appliance power or thermostat call for heat since appliance f ailure has occured. Line v oltage power can cause product dama g e, severe injury or death. Only a trained e xperienced service technician should perform this tr ouble- shooting. 1. Check the [...]

  • Page 24

    24 MAINTENANCE PERIODIC SER VICE 2. T ur n off the manual gas v alve and electrical power to the unit heater . 3 . T o clean or replace the burners, remov e burner cov er . Remov e top strip from above b ur ners . Lift burners up and pull aw ay from manif old to remov e. 4 . With the b ur ners remov ed, wire brush the inside surf aces of the heat e[...]

  • Page 25

    25 LIMITED W ARRANTY P ower V ented T ub ular Propeller Unit Heater s 1. The "Manuf acturer" warrants to the original owner at original installation site that the abov e model Gas-Fired Heater ("the Product") will be free from def ects in mater ial or workmanship f or (1) year from the date of shipment from the f actor y , or on[...]

  • Page 26

    26 IDENTIFICA TION OF P ARTS PR OPELLER UNIT HEA TERS Figure 13 - Heat Exchanger Assembly Figure 14 - Electrical Contr ol Panel Figure 11 - Propeller P arts Figure 12 - Component P ar ts D4430 F an Guard F an Blade Hardware Hardware Motor[...]

  • Page 27

    27 Figure 15 - P ower V enter Assembl y (100/250 Unit Sizes Shown) Figure 17 - T urbulator/High Limit Location Figure 16 - P ower V enter Assembl y (300/400 Unit Sizes Shown) HO W T O ORDER REPLA CEMENT P ARTS Please send the f ollowing inf or mation to your local representativ e: if fur ther assistance is needed, contact the manuf acturer's c[...]

  • Page 28

    Customer ____________________________________ Job Name & Number _________________________ PRE-INSPECTION INFORMA TION With power and gas off. T ype of Equip: Unit Heater Serial Number _________________________ Model Number __________________________ Name Plate V oltage: _____________ Name Plate Amper age: _____________ T ype of Gas: Natural LP [...]