Delta F-25 User Manual download pdf (Page 9)

4

Product & Safety Information

OPERATING RESTRICTIONS

• Maximum working pressure for inner

(domestic water) tank is 150 psig.

• Maximum working pressure for outer

(primary water) tank is 45 psig.

• Inner tank has factory installed

Temperature & Pressure Relief Valve

with an AGA rating of 100,000 Btu/hr

for PG-25 and 200,000 Btu/hr for PG-

30/35/40/45.

• Outer tank has a factory installed 30

psig relief valve rated at 535,000 Btu/hr

• Electrical rating:120 V, 60 Hz, less

than 12 amperes

• pH & chloride limits for the ELITE are:

- Chloride, less than 80 mg/l.

- pH, 6.0 - 8.0.

Any water conditioning system must be

installed and maintained in accordance

with manufacturer’s specifications.

• 180º Maximum operating temperature -

primary side.

• 120º Maximum outlet/mixed tempera-

ture - domestic side.

CODE RESTRICTIONS

Single wall heat exchanger in the ELITE

complies with National Standard Plumbing

Code, provided that:

- Outer tank water (including additives)

is practically non-toxic, having toxicity

rating or Class of 1, as listed in Clinical

Toxicology of Commercial Products,

- Outer tank pressure is limited to maxi-

mum 30 psig by approved relief valve.

Single wall heat exchangers are permitted under

the Uniform Plumbing code - Paragraph L3.2. 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 mini-

mum operating pressure of the potable

water system

3. The equipment is permanently labeled

to indicate that only additives recog-

nized as safe by the FDA shall be used in

the heat transfer medium.

Or, per Uniform Plumbing Code paragraph L3.3

as follows:

Other heat exchanger designs may be permitted

where approved by the Administrative Authority.

NOTICE

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