MVB Vertical Pool Heaters, 504A-2004A

• 83 to 83.3% Thermal Efficiency at Full Rate.
• Negative vent pressure, Non-condensing Appliance.  Cat I Vent Required.
• Bronze headers with Cupro-Nickel finned tube heat exchanger standard. ASME Section IV constructed and stamped, National Board registered.
• CSA Low-Lead certified, less than 0.25% Lead.
• Certified to ANSI Z21.56.
• Minimum Continuous Inlet Water Temperature: 105°F.
• Maximum Setpoint: 106°F.
• On/Off Operation with Soft Start.
• VERSA IC® Control Package with LCD Display.
• Status Display Lights.
• Cascade control of up to 8 units, no external sequencer required.
• 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.
• Certified under SCAQMD Rule 1146.2.  Meets all Low NOx regulations.
• Engineered with precisely matched system components.
• Smallest installed footprint (5.4 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.
• Whisper-Quiet Operation.
• Proudly Assembled in the USA.

Bypass Options:

• The standard external bypass uses a user adjustable valve to adjust bypass flow and achieve cold-water protection.
• The Cold-Water Run option provides electronic control of a variable-speed pump to continuously adjust bypass flow, achieving real-time cold-water protection.
  

Options:

• 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 Run
• Condensate Neutralizer (Z-12)