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LIBERTY II
OIL-FIRED WATER AND STEAM BOILERS/NO. 2 OIL
INSTALLATION AND OPERATING INSTRUCTIONS
SAFETY WARNING:
KEEP BOILER AREA CLEAR AND FREE FROM
COMBUSTIBLE MATERIALS, GASOLINE AND
OTHER FLAMMABLE VAPORS AND LIQUIDS.
FAILURE TO ADHERE TO ABOVE SAFETY
WARNING, MAY RESULT IN PERSONAL INJURY
OR DEATH AND PROPERTY DAMAGE.
CONTENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .PAGE
Ratings and Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Installation Re
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2 LIBERTY II Standard working pressure 30 psi water, 15 psi steam. § Nominal clay tile liner dimensions. All boilers hydrostatically tested — A.S.M.E. ** Tankless heater rating based on intermittent draw. * For forced hot water heating systems where the boiler and all piping are located within ¶ Water boiler models LD-30 and larger have two firing rates. The boiler is factory shipped at the lower firing rate. To obtain the higher firing rate, refer to the Liberty II boiler installa- the area to
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3 LIBERTY II CHIMNEY REQUIREMENTS INSTALLATION REQUIREMENTS A. The chimney must be constructed in accordance with all local appli- cable codes and the National Board of Fire Underwriters. See boiler BOILER LOCATION models and rating table shown on page 2 for chimney sizes. Provide a level, solid foundation for the boiler. Location should be near B. Check chimney condition. the chimney so that the Flue Pipe Connector or Breeching to the chim- Existing chimneys and stacks may have deteriorated; w
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4 LIBERTY II Any oil-fired boiler must have a steady draft* and an ample supply of the vent regulator into the living space. DO NOT operate this boiler and a solid fuel burning appliance at the same time, unless the solid fuel combustion air at all times during firing. If air supply or chimney draft* is unreliable, CO and overfire draft* will change unpredictably. burner is provided with its own outside air supply. 2 See Table 2, “Provisions for Combustion and Ventilation Air Supply” for DO NOT
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5 LIBERTY II Figure 3a. Figure 3b. Appliances located in confined spaces. Air from Appliances located in confined spaces. Air from out- inside the building. See Table 2 (2.3). doors. See Table 2 (2.4). Figure 3c. Figure 3d. Appliances located in confined spaces. Air from out- Appliances located in confined spaces. All air from doors through ventilated attic. See Table 2 (2.4). outdoors through ventilated crawl space and outlet air to ventilated attic. See Table 2 (2.4).
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6 LIBERTY II INSTALLING CONTROLS AND PIPING FOR WATER UNITS ACCESSORIES ON BOILER UNITS NOTE: On knocked-down boiler only, jacket may be installed after sup- ply and return piping connection, but must be installed prior to adding Note: Jacket must be installed on boiler units prior to installation of trim. trim. I. CIRCULATING SYSTEM I. STEAM BOILER TRIM, see page 2 for tapping locations, and A. FORCED CIRCULATION hot water heating system: Use the figure 4 for illustration of steam boiler. top
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7 LIBERTY II C. HOT WATER RADIATION VENTING - Manual air vents should be installed at the top of all "drops"(where piping goes downward). Air must be vented or purged from all zone lines to permit proper system heating. D. PUMP LOCATION-Locating low-head pump(s) on return to boil- er is only acceptable in residences of one or two stories. (See figure 6) The pump location shown in figure 7 is required in large, multi-story building installations, especially when high-head pumps are used and
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8 LIBERTY II G. Once burner and draft have been set up, then smoke, CO and stack VENT PIPING AND DRAFT REGULATOR 2 A. Vent pipes must be installed having the same diameter as the boiler temperature should be checked and recorded. If smoke is greater than outlet. (See page 2) trace, review the burner instructions; replace the nozzle if necessary. B. Vent pipes and breeching must be pitched upward a minimum of 1/4" Normal smoke to be expected at approximately 13% CO is zero to 2 per foot. a trace.
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9 LIBERTY II D. As steam develops, open the SKIMMER drain valve with caution to CLEANING AND FILLING A NEW STEAM BOILER I. BEFORE USING STEAM BOILER skim the oil and film from the top of the water. DO NOT open the boil- A. Check burner to be certain it is ready for firing. DO NOT FIRE er drain valve. Close the skimmer drain valve when the water level into an empty boiler. drops to about 5" from the top of the gauge glass. The water may B. Be prepared to heat raw water to at least 180°F. as so
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10 LIBERTY II CAUTION: When flushing float type low water cut-off control, hot water PRESSURE CONTROL CHECK-OUT and steam will flow out the blow down valve. Blow down valve is illus- A. Check burner to be certain it is ready for firing. DO NOT FIRE into trated below. an empty boiler. A. SPECIAL FLUSHING INSTRUCTIONS B. Set thermostat high enough for boiler to make steam. Set the pres For new boiler installed in old system. sure control down to its lowest setting. As the boiler starts to pro- In
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11 LIBERTY II
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12 LIBERTY II SOLENOID SOLENOID BASIC MODULE WIRING VALVE VALVE IIFF EQUIPPED EQUIPPED (less circulator) L2 BURNER BURNER L1 MOTOR MOTOR NOZZLE LINE NOZZLE LINE SeeDetail "A" (p .13) for pr imary othetrhan R7184 HEATER HEATER 11 IF EQUIPPED IF EQUIPPED IIGNITION GNITION R7184B R7184B OTHER OTHER SAFETY SAFETY VIOLET VIOLET CONTROL CONTROL 24 VOLT 24 VOLT ORANGE ORANGE TTHERMOSTAT HERMOSTAT BLACK BLACK BLUE BLUE 44 TT WWHITE HITE WHITE WHITE 22 TT RED RED 11 BLACK BLACK RED RED GREEN GREEN 33 GG
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13 LIBERTY II WIRING FOR PACKAGED STEAM BOILER For alternate option PS-801-120 L.W.C.O. or Hydrolevel Cycle Gard 450 L.W.C.O. High-Pressure Limit High-Pressure Limit HYDROLEVEL CYCLE GARD CG 450 L.W.C.O. A Recomemmeded setti Recomemmeded setting - 0.5 PSI ng - 0.5 PSI BLUE Differential - 5 PSI Differential - 5 PSI BLACK Low Limit (Tankless Low Limit (Tankless Model Only) Reco Model Only) Reco eemded setting - 1 mded setting - 1 mmmm ∞ ∞F. F.60 60 WHITE 21 P1 P2 A RED PROBE SSOLENOID OLENOID LLO
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14 LIBERTY II
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15 LIBERTY II BURNER DATA – BECKETT CF-375 BURNERS FOR PACKAGED BOILERS ONLY (For knocked-down & boiler burner units see publication no. L-42KB) Nozzles Firing Rate Size Angle & Oil Pump Pressure Air Shutter Air Band Head Boiler Burner Model Model * (GPH) (GPH) Type MFG Setting (PSIG) Setting † Setting Setting LD-60 CF-375 2.60 2.25 45˚ P HAGO 135 10 3 1 LD-60 CF-375 2.85 2.25 45˚ P HAGO 160 10 2 2 LD-70 CF-375 3.00 2.5 45˚ SS HAGO 145 10 4 3 LD-70 CF-375 3.10 2.5 45˚ SS HAGO 155 10 4 4 LD-70 CF
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16 LIBERTY II
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17 LIBERTY II SETTING THE AIR ADJUSTMENT PLATE (See figure 11) BURNER DATA – RIELLO (continued) 1. The hydraulic AIR SHUTTER (A) is operated by the HYDRAULIC JACK (F), assuring complete opening of the combustion air intake. FIgure 9B Regulation of the combustion air flow is made by adjustment of the manual AIR ADJUSTMENT PLATE (D) after loosening the FIXING MODEL F-10 SCREWS (C and E). The initial setting of the air adjustment plate ELECTRODE SETTING should be made according to page 16. 2.
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18 LIBERTY II
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19 LIBERTY II
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20 LIBERTY II 9. Check the flue collector seal. This is the flat rope seal on top of the CARE AND MAINTENANCE heat exchanger. The rope must be in place adjacent to the long boss- es on front and rear sections and adjacent to the short bosses on the I. EXTENDED SHUTDOWN, CLEANING OR REMOVAL OF BOILER intermediate sections. The rope should be directly under the flue col- FROM SERVICE. lector flanges when the flue collector is replaced. Use the two 1/4-20 DANGER: Use CAUTION when handling chemicals
