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PV500-46U 06/12
2 STANDARD FEATURES AND EQUIPMENT
2.1 Performance
95% thermal efficiency at full fire from 40° to 140°F
Up to 99% thermal efficiency with modulation
< 20 ppm NOx
Ducts direct combustion air up to 100 equivalent feet through 6-inch diameter material (requires UL approved
vent cap, see optional equipment list)
Vents up to 100 equivalent feet through 6-inch diameter material
2.2 Pressure Vessel
AquaPLEX
tank (unlined duplex alloy)
Storage tank ASME stamped and National Board registered for 150 psi MAWP
Nonferrous, removable fittings at all tank connections
Hand hole cleanout
Fiberglass insulation
Steel jacket panels with industrial-grade finish
Drain valve
2.3 Heat Exchanger
Three-pass, fire tube design
AquaPLEX
fire tubes
Secondary economizer for low temperature flue gas
2.4 Codes And Standards
Intertek / ETL listed to US and Canadian safety standards
Intertek / ETL listed for use with CPVC vent material (SANI models require listed Cat IV SS vent)
Intertek / ETL certified as low-lead compliant
FM compliant
ASHRAE 90.1 compliant
2.5 Burner, Operating Controls & Safeties
Pre-mix surface burner with self-adjusting, proportionate gas/air ratio
UL 795 compliant gas train
Electronic flame safeguard with pre- and post-purge
Combustion sequence panel lights including lockout
Programmable electronic operating control with digital temperature readouts,
adjustable from 70°F to 180°F
Immersion temperature limiting device (high limit control)
ASME-rated temperature and pressure relief valve
NEMA-1 control enclosure
Terminals for remote on-off
Flame failure audible alarm and indicating light with remote contacts
Seamless VFD modulation with 10-to-1 turndown
2.6 Warranty and Service Policy (see warranty or service policy for details)
10-Year tank warranty (PV 627)
3-Year scale failure warranty (PV 563)
First-year cost-free service policy (PV 551)
10-Year chloride-induced stress corrosion cracking warranty (PV 8083)
2.7 Miscellaneous
Factory authorized startup
Vent termination cap, 6-inch diameter (larger cap optional)
Factory-equipped for connection to direct inlet air (requires UL listed vent termination cap, see options list)
Condensate “P” trap (provided for field installation)
Direct inlet air filter