TYPE W - Hi Delta

® Job: MVB - Type H Engineer: Heating Boilers Contractor: Models 503A-2003A Prepared By: Date: Model: Indoor/Outdoor:

87% Thermal Efficiency at Full Rate: Up to 88.4% at Part Load 100% Factory Fire Tested VERSA IC® Integrated Controller with LCD Display Electronic Modulation, Constant Ratio up to 7:1 Turndown Full Safety Diagnostics with History Status Display LED Lights Modbus RTU BMS Port Maximum Outlet Water Temperature: 235°F Minimum Acceptable Inlet Water Temperature: 120°F Limited Twenty-Year Thermal Shock Warranty Limited Ten-Year Heat Exchanger Warranty Ultra Low NOx – Less than 20PPM Proudly Made in the USA

Heat Exchanger Control (cont.) . Headers . LCD Display; Status, Fault and Diagnostics Cast Iron – Standard . Modulating Temperature Control Bronze – Option A-1 . Water Temperature Sensors (7) . ASME H Stamped . Cold Water Protection Function 160 PSIG Working Pressure . Optional Variable Speed Pump . National Board Approved . Optional Proportional Valve . Fin Tubing . Modbus RTU BMS Port Copper – Standard B-85 Gateway – BACnet MS/TP, BACnet IP, N2 Metasys or Modbus TCP Cupro Nickel – Option A-3 . ASME Powder-Coated Tube Sheet B-86 Gateway - LonWorks . Silicone High Temp O-Rings Burner . ASME Pressure Relief Valve . Radially Fired Knitted Burner 60 PSIG – Standard Gas Train PSIG – Optional . Fuel . Temperature and Pressure Gauge, Shipped Loose Natural Gas . Stainless Steel Evaporator Plate Propane . Dual-Seat Combination Firing Valve Control . Manual Shut Off Valve . 120V, 60Hz, 1Ø, Power Supply . 120/24V 60Hz Transformer Construction . VERSA IC® Integrated Control . Indoor/Outdoor Construction . Cascade up to 4 Boilers . Front Controls Enclosed . Ignition Module . PolyTuf Powder Coat Finish 3-Try – Standard . Rear Connections (Water, Electrical, Gas, Vent, Combustion Air) Single-Try – Option C-6 . Combustion Air Filter - Inline . Hot Surface Ignition (HSI) . Remote Flame Sensor Venting . Freeze Protection . Vent Termination . High Limit, Manual Reset, Fixed, Outdoor - Option D-11 240ºF Indoor, Horizontal – Option D-15 On/Off Power Switch . Indoor, Vertical (by others) . Flow Switch . Combustion Air . Blocked Vent Pressure Switch Air Intake Elbow – Option D-16 . Programmable Pump Time Delays . Extractor – Optional . Pump Outputs . Boiler pump By others . DHW Indirect – Pilot Duty Not required . System – Pilot Duty

Catalog No.: 2000.362D Effective: 05/20/13 Replaces: 07/15/08 Options P- Cold Water Start B-37 TempTracker Mod+ Digital Controller, A-30 Air Vent, Auto, 150 PSI P- Cold Water Run 5-10 Boilers, OA Reset F-10 Low Water Cut-Off, Remote S-1 Low Gas Pressure Switch, B-38 TempTracker Mod+ Digital Controller, Probe Manual Reset 11-16 Boilers, I-1 High Limit, Auto Reset, Adj., S-2 High Gas Pressure Switch, Manual OA Reset 100-240F Reset B-39 4-20mA Remote Setpoint Module I-2 High Limit, Manual Reset, Adj., B-62 BACnet MS/TP Interface Module Regulatory Agency Requirements 100-240F (additional)

P- Pump: HP, 120V, 1, 60Hz Multi-Boiler Temperature Controllers Water Hardness: GPG B-36 TempTracker Mod+ Digital Cast Iron Bronze Controller, 2-4 Boilers, OA Reset Loose Mounted

Catalog No.: 3200.20K Effective: 7-15-99 Replaces: 7-1-99 MVB – Type H Models 503A-2003A Model

CLEARANCES Certified Recomm. Minimum Service Front 24” 24” Rear 12” 24” Right 1’ -- Left 1” -- Top 0” 10” Floor 0” -- Vent 1” --

Model Water Hardness (H7-) Soft Medium Hard 503A 1/4 – 6 1/4 – 6 3/4 – 11 753A 1/4 – 6 1/2 – 7 3/4 – 11 1003A 1/4 – 6 1/2 – 7 1 – 14 1253A 1/2 – 7 1 – 14 1 – 14 1503A 3/4 – 11 1 – 14 1 – 14 1753A 1 – 14 1-1/2 – 15 1-1/2 – 15 2003A 1 – 14 1-1/2 – 15 1-1/2 – 15

Dimensions (in.) MBTUH Model K B G H N (H7-) D E F Flue M P R V Input Output Height NPT NPT C/A Ø Ø 503A 500 435 43 30-3/4 35 23-3/4 1 2 6 14-1/4 6 36-3/4 8-1/4 1-3/4 753A 750 653 49 36-3/4 40-3/4 29-1/2 1 2 6 14-1/4 6 42-1/2 8-1/4 1-3/4 1003A 999 869 55 42-3/4 46-3/4 35-1/2 1-1/4 2-1/2 6 14-1/4 6 48-1/2 8-1/4 1-3/4 1253A 1250 1088 61 48-3/4 53 41-3/4 1-1/4 2-1/2 8 17-1/4 8 54-3/4 8-1/4 1-3/4 1503A 1500 1305 67 54-3/4 58-3/4 47-1/2 1-1/4 2-1/2 8 17-1/4 8 60-1/2 8-1/4 1-3/4 1753A 1750 1523 75 61 65-1/4 53-3/4 2 2-1/2 8 17-1/4 8 68-1/2 9-1/2 5 2003A 1999 1739 81 66-3/4 71-1/4 59-1/2 2 2-1/2 8 17-1/4 8 74 9-1/2 5 - Ratings shown are for elevations up to 2,000 feet. For installations at elevations above 4,500 feet, please consult the factory for additional instructions. - For direct vent applications, please contact the factory about relocating the pump.

Shipping Model Footprint Weight Amps* (H7-) (Ft2) (Lbs.) 503A 600 5.4 12 753A 670 5.4 12 1003A 720 5.4 12 1253A 780 5.4 12 1503A 840 5.4 12 1753A 940 5.4 18 2003A 1000 5.4 18 *Current draw is for heater only. (Supply breaker must have delayed trip.)

Catalog No.: 2000.362D Effective: 05/20/13 Replaces: 07/15/08 RATES OF FLOW AND PRESSURE DROPS

Model 20°F ΔT 30°F ΔT 39°F ΔT * Maximum Flow Minimum Flow* (H7-) GPM ΔP (ft.) GPM ΔP (ft.) GPM ΔP (ft.) GPM ΔP (ft.) ΔT (°F) GPM ΔP (ft.) ΔT (°F) 503A 43 2.8 29 1.4 N/A N/A 100 11.3 9 25 1.1 35 753A 65 6.4 43 3.1 34 1.9 100 13.8 13 34 1.9 39 1003A 87 12.0 58 6.0 45 3.7 113 18.6 15 45 3.7 39 1253A 109 20.9 73 10.2 56 6.2 113 22.2 19 56 6.2 39 1503A N/A N/A 87 16.0 67 9.5 113 25.5 23 67 9.5 39 1753A N/A N/A 102 22.5 78 13.4 113 27.2 27 78 13.4 39 2003A N/A N/A 116 31.9 89 18.9 116 30.2 30 89 18.9 39 * Closed systems only

Catalog No.: 3200.20K Effective: 7-15-99 Replaces: 7-1-99 Raypak, Inc. • Eastman Avenue, Oxnard, CA 93030 • (805) 278-5300 • (805) 872-9725 • www.raypak.com