MVB VERTICAL HYDRONIC BOILERS, 2503 – 4003

Description

Time-honored technologies unite with cutting-edge advancements in Raypak’s MVB modulating vertical boiler. Small space is no longer a problem, and our compact design fits through a 32” door opening to make it the perfect choice for those hard-to-reach retrofit projects.

 

Features:

⦁ 85% Thermal Efficiency at Full Rate; Up to 88.4% at Part Load.

⦁ Positive vent pressure, Condensing Appliance. Cat IV Vent Required.

⦁ Bronze Headers with Copper Finned-Tube Heat Exchanger standard. Cupro-Nickel tubes available. ASME Section IV constructed and stamped, National Board registered.

⦁ CSA Low-Lead certified, less than 0.25% Lead.

⦁ Certified to ANSI Z21.13.

⦁ Minimum Inlet Water Temperature: 120°F.

⦁ Maximum Operable Outlet Water Temperature: 235°F.

⦁ Electronic Modulation, 7:1 Turndown.

⦁ VERSA IC® Control Package with Built-In Outdoor Reset Function and 7″ touchscreen Display, Including System Sensor, Indirect Sensor & Indirect Supply Sensor.

⦁ Status Display Lights.

⦁ Cascade control of up to 8 units, no external sequencer required.

⦁ Cascade in parallel or sequential modulation modes.

⦁ Diagnostics Center with History, English, no codes.

⦁ Modbus RTU BMS port (RS485).

⦁ 0-10 VDC BMS Interface (Setpoint or Direct Drive).

⦁ All models indoor/outdoor construction.

⦁ Low NOx; consult local regulations.

⦁ Engineered with precisely matched system components.

⦁ Smallest installed footprint (11.7 square feet) design fits tight spaces and easily replaces larger boilers.

⦁ 100% Factory Fire Tested.

⦁ Complete cabinet protects all controls and wiring. Tough, rust-resistant powder-coat finish.

⦁ Suitable for altitudes up to 10,000 ft. (derate above 2,000 ft.).

⦁ No boiler condensate drain required (proprietary design)

⦁ Available for natural gas or propane.

⦁ Integral Combustion Air Filter (MERV8).

⦁ Multiple Pump Outputs – Boiler Pump, System Pump, Indirect Pump.

⦁ Whisper-Quiet Operation.

⦁ Proudly Assembled in the USA.

Options:

⦁ Outdoor air Sensor (B-32)

⦁ BACNet IP, BACnet MS/TP, Modbus TCP, N2 Metasys (B-85)

⦁ Lonworks (B-86)

⦁ Alarm with 4” Bell (E-5)

⦁ Low Water Cutoff (F-10)

⦁ Cold Water Protection

⦁ Condensate Neutralizer (Z-12)