Models
1005, 1505, 2005
Up to 99% thermal efficiency!
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Xtreme Performance
Up to 99% thermal efficiency!
Think Green
Think Raypak
Raypak’s Next Generation Condensing
Modulating Heater
Time-honored technologies unite with cutting-edge advancements in Raypak’s new XTherm modulating vertical heater. Never before has a vertical heater provided both the installer and building owner such installation flexibility, ease-of-commissioning, reliability and long-term performance. Small space, not a problem. The XTherm has one of the smallest installed footprints of any vertical condensing heater. Our compact design makes it the perfect choice for those hard to reach retrofit projects. Raypak’s XTherm is built with commercial-grade components and materials. From our steel channel base to our stainless steel flue wrapper, and secondary heat exchanger, you can tell the XTherm is built to last. It’s easy to handle and install, but still user friendly to service. Now is the perfect time to take a closer look at Raypak.
Flexibility
Industry-leading vent length allowances afford greater vent location options, thus reducing wasted space. Vent versatility is further enhanced by the self-tuning combustion system which compensates for unusual chimney and vent configurations.
Category IV -CSA-certified 96% efficiency at full fire for hydronic boilers and 97% for domestic hot water heaters (Up to 99% at part load!) When the job requires high efficiency, XTherm meets your needs.
At the heart of every Raypak XTherm is a unique integral evaporator system - the first defense against condensation in the primary heat exchanger. Raypak’s evaporator system collects and re-evaporates condensate which may form during initial start-up.
True Modulation
Modulation is nothing new to Raypak, we have honed our gas modulation experience for over 50 years. The Raypak XTherm will precisely track the heating load with it’s built-in TempTracker Mod control, eliminating costly overshooting. Utilizing the latest European technology for the combustion-components, the optimum fuel-air ratio is maintained throughout the entire range of the load-tracking opera-
tion. Our smooth 4:1 turndown ensures efficiency is maintained throughout the firing rate and actually increases during part load, right when you want it! The XTherm automatically self-tunes to accommodate the widest range of gas supply pressures. The high quality integrated blower-gas valve is self-correcting and allows smooth operation with fluctuating gas supply pressures. The Raypak XTherm is cutting edge technology with atmospheric simplicity.
Key Features
•3 models from 1,000,000 to 2,000,000 BTUH
•California bill AB-1953 low lead compliant
•96% thermal efficiency hydronic and 97% domestic hot water
•Minimum continuos inlet water temperature (50°F)
•Modulating gas valve and burner, up to 4:1turndown
•Small footprint, less than 11 square feet
•On-board diagnostic center, real English, no codes.
•All models indoor/outdoor certified
•Complete cabinet protects all controls and wiring
•Meets all current Low NOx regulations, including the new 2010 SCAQMD revisions
•Suitable for altitudes up to 10,000 ft. (derate above 5,000 ft.)
•Water heater models are equipped with all copper and bronze waterways.
•Boiler models are equipped with cast iron headers and pumps with the option to upgrade to bronze. All other waterway plumbing is copper.
•0-10 VDC Remote set point BMS Interface
•0-10 VDC Direct Drive
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1. Low Voltage Wiring Terminal
Up front and easy to get to. Makes sensor wiring and BMS wiring simple and clean.
2. On Board Diagnostic Center
Factory-mounted standard equipment. Gives relevant service feedback as well as possible solutions to clear the fault. All in plain english, no cryptic codes to decipher. The control also stores up to 16 fault codes in its history file for the service technician to review.
3. TempTracker Mod Controller
Standard equipment on the XTherm. This factorymounted multi-function control delivers precise loadtracking with selectable mode displays that are easy to access and read.
4. Combustion Air Fan
Cast aluminum, non-sparking construction. The state of the art variable speed fan is controlled by the TempTracker Mod and works in smooth harmony with the main gas valve.
5. Dungs Gas Valve
The XTherm uses a state-of-the-art main gas valve manufactured in Germany. This precision gas valve works in perfect unison with the combustion air fan. The result is silky smooth light-offs and a 4:1 turn down.
6. Flow Switch
Monitors water flow and provides safe shut down if water flow drops below the minimum required.
7. Vent Pressure Switch
Monitors vent pressure and provides safe shut down if back pressure is excessive.
8. Gas Inlet
The XTherm will operate at 100% full rate with gas pressures as low as 4.0”w.c.
9. Boiler Pump
Sometimes referred to as the primary pump. This pump keeps flow through the heat exchanger.
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10.Water Outlet
11.Water Inlet
The XTherm can accept 50°F continuous inlet water temperature.
12. Cold Water Run Pumps
The XTherm comes factory equipped with a built in Cold Water Run system. This advanced water control system keeps the inlet water temperature to the primary heat exchanger above 120°F, regardless of the incoming water temperature. It constantly self adjusts and regulates the incoming water flow while still maintaining a constant delta-T in the heat exchanger.
13. Flue Outlet
Stainless steel Category IV compatible.
14. Stainless Steel Secondary Heat Exchanger
Recovers waste heat to boost efficiency into 96%+ range. The XTherm utilizes a separate high-grade stainless steel heat exchanger. This allows the corrosive combustion condensate to be collected safely
without damaging the heater. There is a condensate disposal connection on the rear of the heater. The XTherm is also equipped with a condensate switch that will sense a blocked condensate drain, which protects the heater.
15. Vertical Heat Exchanger
Cylindrical, multi-pass heat exchanger captures all radiant energy, eliminating the need for
heavy refractory.
16. Drain Valve
One of two drain valves located at the bottom of the heat exchanger. A third drain valve is located on the secondary heat exchanger. This allows for complete winterizing and drainage of the heater.
17. Viewing Port
Allows for easy burner inspection.
18. Weather-Proof Jacket
Heavy gauge galvanized steel with a UV-resistant Polytuf powder coat finish is impervious to weather and corrosion.
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