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Crown Boiler 32 Table 9: Tankless Heater Specifications, Figure 32: Tankless Heater Piping

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8) Multiple Tankless Heaters - If two tankless heaters are installed in the boiler, it is recommended that each heater be

installed in parallel with its own mixing valve, relief valve, flow restrictor, etc.. This will permit either heater to be

removed from service for maintenance while still providing some domestic water to the building.

Tankl ess Heater

Model Number For Use In

Boile rs

Continuous Draw

Heat er Rat ings

40° - 140° Rise

with 200°F Boiler

Temperature

Pressure Drop

Through Heater

(psi)

Minimum

Num ber of

Sections

Required Per

Heat er

Clearance

Requirement

For He ater

Rem ov al

T-1 All Sizes 4.5 GPM 8.8 5 27"

T-2 All Sizes 5.0 GPM 18.0 6 32"

T-3 32-665 & Larger 6.0 GPM 1.2 8 42"

All Series 32 boilers are furnished with left and right heater endsections. Itis possible to installa heater in both ends

provided the number of sec tions inthe boiler in not less than the sum of the number of sections required f or each

heater as indicated in the table. Example: T2 + T3 = 6 + 8 = 14 section or larger boiler.

Table 9: Tankless Heater SpecificationsFigure 32: Tankless Heater Piping

Contents

Main D E S I G N E D T O L E A D Series 32 Gas-Fired Natural Draft Steam or Water Boilers INSTALLATION AND OPERATING INSTRUCTIONS These instructions must be affixed on or adjacent to the boiler. Page Table of Contents I Product Description Page Table 1A: Dimensional Data 1. All Dimensions Are Approximate. Table 1B: Specifications Page Page III Before Installing IV Locating the Boiler Table 2: Minimum Room Volumes Based On Sixteen Times Boiler Volume By Model Size Figure 3: Clearances To Combustible Construction Table 3: Minimum Clearances to Combustibles V Knockdown Boiler Assembly Instructions B. Base Assembly Page C. Section Assembly Page Page Page Page D. Jacket Assembly Instructions Figure 13: Jacket Mounting Bracket Arrangement Page VI Air For Combustion and Ventilation Warning Figure 15: Boiler Installed In Confined Space, All Air From Inside Page Page VII Venting Table 4: Sizing For Vent Systems Outside The Scope Of The National Fuel Gas Code Venting Tables Page Removing An Existing Boiler From A Common Chimney VIII Steam Boiler Piping & Trim Installation A. Heating System Piping (Steam Boilers) DANGER Table 5 Figure 22: Steam Boiler Tapping Locations Tapping Uses Chart For Steam Boilers Page Figure 25: Common Near-Boiler Piping Mistakes Table 6: Steam Boiler Riser & Header Pipe Sizes Page Page Page Page B. Indirect Water Heating Piping (Steam Boilers) IX Water Boiler Piping A. Heating System Piping DANGER Tapping Uses Chart For Water Boilers Figure 29: Water Boiler Tapping Locations Table 7 Page Table 8: Water Boiler Supply & Return Pipe Sizes Figure 31: Recommended Boiler Piping For Combination Heating & Cooling Systems B. TANKLESS HEATER PIPING 43 Table 9: Tankless Heater Specifications Figure 32: Tankless Heater Piping X Gas Piping XI Control System Wiring Sequence of Operation CSD-1 Boiler Wiring Figure 34: Typical Wire Routing Page Page Safety Control Operation XII Start-up and Checkout Figure 37: Pilot Burner Flame Figure 38: Main Burner Flame Page Page OPERATING INSTRUCTIONS TO TURN OFF GAS TO APPLIANCE FOR YOUR SAFETY READ BEFORE LIGHTING LIGHTING INSTRUCTIONS FOR BASE MODULES EQUIPPED WITH HONEYWELL VR8304 SERIES GAS VALVES OPERATING INSTRUCTIONS TO TURN OFF GAS TO APPLIANCE FOR YOUR SAFETY READ BEFORE LIGHTING GAS INLET GAS CONTROL KNOB SHOW N IN "OFF" P OSITION POSITION INDICATOR XIII Service and Maintenance Page XIV PARTS SERIES 32 MASTER PARTS LIST BASE CARTON MODEL T-1 T-2 T-3 310022 TANKLESS CO ILS PARTS PART # 310020 310021 INTERMEDIATE CARTON SECTION JOINER CARTON BASE SIDE CARTON JACKET SIDE P ANEL CARTON BASE PARTS Page BASE PARTS (CONTD.) Page WATER TRIM CARTON STEAM TRIM CARTON WATER BOILER CARTON STEAM BOILER CARTON