Weil-McLain PLUS LINE PLUS-E017-A/1206 - Manual (Page 7)

Part Number PLUS-E017-A/1206 
Manual
• Installation • Start-Up • Usage • Maintenance • Parts
Operating
restrictions
• Maximum domestic hot water temperature ( Use only for special high-temperature
operational requirements ):
• 10°F for GOLD Plus 0/0/0/80 or Plus 0/0/80.
• 190°F for PLUS 100/110/119.
• Maximum boiler water temperature — 210°F.
• Maximum working pressure for inner (domestic water) tank — 10 psig.
• Maximum working pressure for outer (boiler water) tank —  psig.
• pH and chloride limits for water heaters are:
• chloride — less than 80 mg/l.
• pH — above  and less than 8.
Code restrictions
National Standard Plumbing Code
Single wall heat exchanger in water heater complies with National Standard Plumbing Code,
provided that:
• boiler water (including additives) is practically non-toxic, having toxicity rating or class
of 1, as listed in Clinical Toxicology of Commercial Products, and
• boiler water pressure is limited to maximum 0 psig by approved relief valve.
Uniform Plumbing Code
Single-wall heat exchangers are permitted if they satisfy all of the following requirements —
1. The heat transfer medium is potable water or contains only substances which are recognized
as safe by the U. S. Food and Drug Administration.
2. The pressure of the heat transfer medium is maintained less than the normal minimum
operating pressure of the potable water system.
Exception: Steam complying with #1, above.
. The equipment is permanently labeled to indicate that only additives recognized as safe
by the FDA shall be used in the heat transfer medium.
Other heat exchanger designs may be permitted where approved by the Administrative
Authority.
A1
Pre-installation
continued