MVB® Vertical Pool Heaters, 504A-2004A

Time-honored technologies unite with cutting-edge advancements in Raypak’s MVB modulating vertical pool heater. 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. The MVB is built to last, from the structural steel base to the stainless steel flue wrapper. The built-in VERSA IC® Integrated Control platform precisely tracks the heating load to eliminate costly overshooting. The category I venting reduces the installed cost by using existing cat I venting or chimney.

BASIC DATA

Model Number Full Input in (BTUH)  Flue Dia.
Bypass Options
 H-Style Bypass  None (Field-Suplied)  CWR
P-504A 500,000  8" STD Yes Yes
P-754A 750,000  10" STD Yes Yes
P-1104A 1,045,000  10" STD Yes Yes
P-1504A 1,500,000  12" STD Yes Yes
P-2004A 1,999,000  14" STD Yes Yes

Features:

  • 85% 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: 50°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 4 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.
  • All units available without an external bypass (cold-water protection provided in the field).
  • 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)

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