O. Smith VF Boiler model VW______ having an input rating of _______ BTU/hr and capable of supplying no less than ______ GPH at a 100°F temperature rise when fired with (Natural/Propane) gas. 1) The boiler shall bear the ASME “H” stamp and shall be National Board registered (CRN in Canada) for 160 PSI working pressure. 2) The boiler(s) shall be equipped with a factory-installed 125# PSIG ASME Pressure Relief Valve. 3) The boiler(s) shall be design-tested and certified to the ANSI Z21.13 standard

The secret to the stunning performance of the VF Series is its flexibility. The VF is capable of firing from 100% to 25% or a 4:1 turndown ratio. The boiler’s output is based strictly on the current system demand and required BTUs needed to maintain the desired system set point temperature. The VF’s modulating capability is virtually limitless. The VF Boiler sets a high efficiency standard by combining thermal efficiencies up to 88% with a smoother, more energy-efficient overall system operation

• 0407 A. O. SMITH WATER PRODUCTS COMPANY VF BOILER SERVICE MANUAL Technical Training Department ©2007 CONTENTS Introduction....................................................................... 2 Qualifications.................................................................... 2 Service Warning................................................................ 2 Tools Required.................................................................. 3 EMC 5000 Modulation Control System..................

SMITH WATER PRODUCTS CO., INC. 5621 W. 115TH STREET • ALSIP, ILLINOIS 60803 Phone: 1-800-433-2545 • Fax: 1-800-433-2515 Website: PRINTED IN U.S.A. 0502 211591-000 LB/LW WATERWAYS & COMBUSTION CHAMBER PARTS LIST Item Description Part Number 1.... Bracket....................................... .......... 191602 2.... Burner and Cone Assembly......... .........191850-2 3.... Combustion Chamber Asembly ... .......... 211592 4.... Connector, Hose.......................... .......... 191765

PLEASE READ THOROUGHLY BEFORE INSTALLING AND USING THE APPLIANCE. FLOOD WARNING IF THE BOILER SHOULD BECOME IMMERSED IN WATER AT ANY TIME, THE BOILER SHOULD BE EXAMINED BY A COMPETENT SERVICE PERSON BEFORE IT IS RETURNED TO SERVICE. A DIVISION OF A.O. SMITH CORPORATION RENTON, WASHINGTON PLACE THESE INSTRUCTIONS ADJACENT TO THE BOILER AND NOTIFY OWNER TO KEEP FOR FUTURE REFERENCE.BE SURE THAT THE WARRANTY INFORMATION HAS BEEN FILLED IN ON COMPLETION OF INSTALLATION. PRINTED IN U.S.A. 0004G 0900

3423-3 *9.....Orifice, Gas Assembly (See Orifice Table) *10.....Tube, Condensate............................................191746-120 *11.....Strap, Cable.........................................................99592-2 *Item Not Illustrated. 9 LB/LW PROPANE GAS TRAIN ASSEMBLY - MODEL 1000 Item Description Part No. Item Description Part No. 1 ..Valve, Main Gas, LP 300 Series....... .......... 77780 10... ... Elbow, 90 Street 1-1/4”...... .......................... 94516 2 ..Regulator, L

This appliance MUST NOT be installed in any location where gasoline or flammable vapors are likely to be present. WHAT TO DO IF YOU SMELL GAS • Do not try to light any appliance. • Do not touch any electric switch; do not use any phone in your building. • Immediately call your gas supplier from a near by phone. Follow the gas supplier’s instructions. • If you cannot reach your gas supplier, call the fire department. • Installation and service must be performed by a qualified installer, service a

Read all instructions, including this manual and the Knight XL Service Manual, before installing. Perform steps in the order given. Failure to comply could result in severe personal injury, death, or substantial property damage. Save this manual for future reference. Contents HAZARD DEFINITIONS ....................... . . .2 Multiple Vent/Air Terminations ............... . . 31 PLEASE READ BEFORE PROCEEDING ......... . . .3 Vertical Termination - Optional Concentric Vent . . . 32-33 THE

The time range of this parameter is 10 minutes to 240 minutes. The default value is 30 minutes. F: Outdoor air reset Outdoor air shutdown When the outdoor air shutdown rises above this point, the control will block all SH demands (DHW demands will still be active). This parameter can be changed by the user or the installer by accessing parameter F5. The temperature range of this parameter is 0°F to 120°F. The default value is 80°F. Outdoor air shutdown differential The outdoor air shutdown diffe

If the planned system exceeds the pump capacity in flow and/or head see “Pump Curves-All Pumps” for alternate pumps and pump curves. — 6.00 — I--4.80 Lochinvar Corporation • 300 Maddox Simpson Pkwy • Lebanon, TN 37090 • 615-889-8900/Fax: 615-547-1000 I Lochinvar PUMP Recommendation * Ili^h. r.KTicLrjurv Water Hr itrra. Lhiklrri and Fbnl Ilr Jtrn PUMP-Rec-13 Rev B PUMP RECOMMENDATION FOR KNIGHT 285 BOILER Pump Specifications Part No. HorsePower Flanges Valute Material Flange Material Ven