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PVI Industries Polyshield Polymer-Lined Storage Tank User Manual

Low nox maxim, Packaged gas water heater

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LOW NOx MAXIM

▪ PACKAGED GAS WATER HEATER

POLYSHIELD

®

POLYMER-LINED STORAGE TANK

PVI reserves the right to change

the design and specification

without notice.

PV 6377 11/07

PVI INDUSTRIES, LLC

FORT WORTH, TEXAS 76111

(800) 784-8326 ▪ (817) 335-9531 ▪ www.pvi.com

STANDARD FEATURES AND EQUIPMENT

82% thermal efficiency

SCAQMD compliant

NOx emissions certified at <55 ppm at 3% 0

2

and/or less than 40 nanograms per joule (199 to 399 MBtu/h)

NOx emissions certified at <30 ppm at 3% 0

2

(above 399 MBtu/h)

POLYSHIELD

®

polymer-lined tank with 5-year warranty, three-year scale failure warranty and one-year cost-free service policy

Nonferrous, removable fittings at all tank connections

Copper-clad steel firetubes

SCALEGUARD

®

tubesheet protection

Upper and lower immersion operating thermostats

Immersion temperature limiting device (high limit control)

ASME-rated temperature and pressure relief valve

• Drain

valve

Handhole tank cleanout

Power combustion burner

• Spark

ignition

Electronic combustion sequencer and flame safeguard with pre-purge

Combustion sequence indicating lights (> 399,000 Btu/h)

Differential pressure air flow switch

Second main gas valve (> 399,000 Btu/h)

Compliant with ASHRAE 90.1 for thermal efficiency and standby loss

Fiberglass insulated tank

Draft regulator (barometric damper)

Steel jacket panels with industrial-grade finish

Factory-authorized start up

ASME stamped—150 psi MAWP

National Board Registered for 150 psi working pressure

UL listed to safety standard UL 795 “Commercial-Industrial Gas Heating Equipment”

FM compliant

OPTIONAL FEATURES AND EQUIPMENT

Long-life service policy

AGA-rated temperature and pressure relief valve(s)

2,500,000 Btu/h FM controls package. Adds electronic low-water cutoff, manual-reset high limit, single-try firing control and high-low
gas pressure switch. (not required for FM compliance below 2,500,000 Btu/h) (available only on 540,000 and 650,000 Btu/h)

CSD-1 / IRI compliant components include manual reset electronic low water cut off, manual reset temperature limiting device and
Hi-Lo gas pressure switch (as required)

Electronic combustion sequencer and flame safeguard with pre– and post-purge

Electronic low-water cutoff

Manual-reset, temperature limiting device

DUO-SET

™ controls for dual-temperature applications

Dial temperature and pressure gauges

Tridicator

Alarm bell with silencing switch

Seven-day time clock

Digital seven-day time clock with battery backup

Air intake assembly for remote combustion air (requires field connection to ductwork supplied by others)

Consult factory for other codes

See complete warranty and/or service policy for details