Rheem GG Series Bedienungsanleitung PDF herunterladen (Seite 15)

COLD

HOT

Typical Piping Diagram for Combination Potable/Space Heating Installation

Spring loaded check valve in

heating unit hot water supply line

and cold water return line (not

supplied with water heater)

NOTICE: This check valve is

incorporated in some heating units.

Refer to the installation instructions

supplied with specific heating unit

to determine if it is required.

See diagrams above for proper

pipe application for vertical

or horizontal supply lines

Gas line to water heater

Cold water return line

from heating unit

Hot water

supply line into

heating unit

Heating unit

Isolation valve in

cold water return

line from heating

unit (not supplied

with water heater)

Mixing or

tempering

valve (refer

to warning

above)

Temperature and pressure

relief valve

Temperature and

pressure relief valve

discharge line

Drain valve

(not supplied

with water

heater)

Water Heater Jacket

Isolation valve in hot water

supply line to heating unit

(not supplied with water heater)

Incoming cold water

supply

Domestic hot water

supply

Air vent

Shut-off valve

Safety Instructions Installation Instructions Operating Instructions Care and Cleaning Troubleshooting Tips Customer Service

Supplemental instructions for gas water heaters

installed in potable/space heating applications.

Local codes or plumbing authority requirements may vary from the instructions or diagrams provided in this

manual and take precedent over these instructions.

Tee fitting for vertical hot

water supply lines.

Combination Potable and Space Heating Application

Tee fitting must be installed as shown.

This insures that any air in the water lines

will be purged through the domestic water

faucets and showers.

WARNING: When this system

requires water for space heating at

elevated temperatures (above 125°F.),

a mixing or tempering valve must be

installed in the hot water supply line to

the house in order to reduce the scald

hazard potential.

WARNING: Any piping or components

used in the installation of this water

heater in a combination potable and

space heating application must be

suitable for use with drinking water.

WARNING: If this water heater is

installed in an application intended to

supply domestic hot water needs and

hot water for space heating purposes,

do not connect the heater to an existing

heating unit or components of a heating

system that have previously been used

with a non drinking water system. Toxic

chemicals such as those used for boiler

treatment may be present and will

contaminate the drinking water supply

causing possible health risks. Never

introduce toxic chemicals, such as

those used for boiler treatment, into

this system.

Tee fitting for horizontal hot

water supply lines.

Hot water

supply to

house

From HOT

outlet on

water heater

From HOT

outlet on

water heater

Hot water

supply to

heating

unit

Hot water

supply to

house

Hot water supply

to heating unit

HHeeaatt ttrraapp

66″″ MMiinn..

Thermal Expansion Tank (if

required-not supplied with

water heater)

6″ air gap

1 2 ... 10 11 12 13 14 15 16 17 18 19 20 ... 27 28

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