Table of Contents
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To the Installer:
Please attach these instructions
next to the indirect water heater.
WARNING
Improper installation, adjustment, alteration,
service or maintenance can cause serious injury
or property damage. Refer to this manual. For
assistance or additional information, consult a
qualified installer or service agency.
CAUTION
The recommended temperature for normal
residential use is 120°F. The dial on the aquastat
does not always reflect the out-coming water
temperature, which could occasionally exceed
120°F. The variation in out-coming temperature
could be based on factors including but not
limited to usage patterns and type of installation.
Test your water at the tap nearest to the indirect
water heater.
WARNING
Hotter water increases the risk of scald injury.
Before adjusting the water temperature setting,
read this instruction manual. Temperatures at
which injury occurs vary with the person's age
and the length of exposure.
The slower reaction time of children, elderly, and
physically or mentally challenged persons
increases the scalding hazard to them. It is
recommended that lower water temperatures be
used where these exposure hazards exist. Such
households may require a temperature setting
less than 120°F to prevent accidental contact
with hot water.
To lower water temperature use point-of-use
temperature limiting devices.
WARNING
Water heater blankets are not recommended and
will void the warranty.
THIS MANUAL HAS BEEN PREPARED
TO ACQUAINT YOU WITH THE INSTALLATION,
OPERATION, AND MAINTENANCE OF
YOUR INDIRECT WATER HEATER AND TO PROVIDE
IMPORTANT SAFETY INFORMATION.
#23960
To the Consumer:
Please read these and all component
instructions and keep for future reference.
Indirect Water Heater
Warranty and Parts List are included.
INSTALLER RESPONSIBILITIES
Please read all instructions thoroughly before
installing or placing the indirect water heater
into service. This unit must be installed by
licensed or authorized installers, or technical
personnel that service water heating equipment.
The indirect water heater must be installed in
accordance with all local codes and ordinances.
These instructions are a guide for the correct
installation of the indirect water heater. The
manufacturer will not be liable for damages caused
by failure to comply with the installation and
operating instructions outlined on the following
pages.
CAUTION
The recommended water temperature setting for
normal residential use is 120°F/49°C.
HANDLING
Before uncrating, check for shipping damage.
Report any damage to your carrier. Note damage on
bill of lading or delivery receipt and file a claim.
FAILURE TO FOLLOW THESE INSTRUCTIONS OR ALL
APPLICABLE BUILDING CODES AND REGULATIONS
ON THIS INDIRECT WATER HEATER.
Read all instructions thoroughly before
attempting installation or operation of your
indirect water heater. Keep these instructions for
future reference.
Local plumbing and electrical codes must be
followed in the installation of this indirect water
heater. In the absence of a local code use the
UNIFORM PLUMBING CODE and the NFPA Code.
Local codes may supersede instructions in this
installation manual.
These instructions are a guide for the correct
installation of the indirect water heater. The
manufacturer will not be liable for damages
caused by failure to comply with the installation
and operating instructions outlined on the
following pages.
Instruction Manual
VOIDS THE WARRANTY
P1ge 1
Rev 1 5/08
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Table of Contents
Related Manuals for Rheem Indirect Water Heater
Summary of Contents for Rheem Indirect Water Heater
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Page 1: Instruction Manual
This unit must be installed by licensed or authorized installers, or technical personnel that service water heating equipment. The indirect water heater must be installed in accordance with all local codes and ordinances. These instructions are a guide for the correct installation of the indirect water heater. -
Page 2: Table Of Contents
TABLE OF CONTENTS Section I: Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Section II: General Informations . -
Page 3: Section I: Specifications
WARNING: Installation should be in accordance with all national and/or local codes. CAUTION: The recommended water temperature setting for normal residential use is 120°F. Rheem recommends a tempering valve or anti-scald valve be installed and used according to the manufacturer's directions to prevent scalding. - Page 4 First Hour Rating = First Draw + Continuous Draw * Coil Input (temperature, flow rate). Ratings based on 77°F rise with 58°F inlet potable water. All data obtained through testing in accordance with GAMA Indirect Water Heater -FIRED WATER HEATER TESTING STANDARD IWH-TS-1_MARCH 2003 Page 4 P e r f o r m a n c e 1.38...
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Page 5: Section Ii: General Informations
SECTION II: GENERAL INFORMATION loCaTIon The indirect water heater should be located in a central location to the piping system, as close as practical to the boiler and in an area not subject to freezing temperatures. Leave sufficient space for servicing and maintaining the indirect water heater. - Page 6 Rheem indirect water heater. CAUTION: Hydrogen gas is produced in a hot water system served by this indirect water heater that has not been used for a long period of time (2 weeks or more). Hydrogen gas is extremely flammable. To reduce the risk of injury under these conditions, it is recommended that the hot water faucet be opened for several minutes at the kitchen sink before using any electrical appliance connected to the hot water system.
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Page 7: Section Iii: Pre-Installation
1) Calculate the pressure drop of all straight pipe and fittings on the supply and return at the desired flow rate. 2) Add the pressure drop from Step 1 to the pressure drop through the indirect water heater coil (see Table 2 for friction loss) to obtain a total pressure drop. - Page 8 (assume coil output = boiler output) listed in Tables 2 and 3 is not met, the output (first hour rating) of the indirect water heater will not be met at the selected flow rate. To approximate the reduction in first hour rating as a result of low boiler capacity, use the...
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Page 9: Section Iv: Installation
SECTION IV: INSTALLATION WaTer ConneCTIons All piping between the boiler and the indirect water heater should be new copper with a minimum size of 3/4” ID for models STID30, STID40, and STID50. Use 1” minimum copper for models STID80 and STID120. Elbows should be minimized. A flow check valve must be installed on the return line. - Page 10 SECTION IV: INSTALLATION (cont .) See Figure 8 for piping your Rheem indirect water heater to a low-mass boiler (diagram recommended by boiler manufacturer). FROM HEATING ZONE ISOLATION VALVES PIPE DIAMETERS ADDITIONAL ZONES Page 10 LESS THAN (4) AIR VENT...
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Page 11: Electrical Connections
The difference is when the indirect water heater calls for heat, the indirect water heater circulator must start rather than opening a zone valve; the system circulator stays off;... -
Page 12: Section V: Maintenance
8. Snap caps back into place. flusH THe Tank The indirect water heater is glass lined. Elements in the water such as lime, iron and other minerals may accumulate in the heater. It is recommended that the tank be drained and flushed thoroughly once a year to prevent buildup in the tank. -
Page 13: Section Vi: Troubleshooting
SECTION VI: TROUBLESHOOTING Page 13... -
Page 14: Section Vii: Parts List
SECTION VII: PARTS LIST Description Anode Anode Outlet T&P Relief Valve Drain Valve Aquastat Page 14 Applicable Models All models. STID 30, STID 40, STID 50 All models. All models. All models. -
Page 15: Section Viii: Warranty
Rheem will pay the transportation costs for an “in-warranty” replacement water heater, or “in-warranty” replacement component part(s), to a convenient delivery point (selected by Rheem) near the place the original water heater, or original component part(s), is located: such as a local Rheem water heater retailer . You must pay any local freight charges, including the cost of returning the failed water heater, or defective component part(s), to a convenient shipping location (selected by Rheem): such as a local Rheem water heater retailer . - Page 16 This Limited Warranty is the only Warranty given by the manufacturer, the Rheem Water Heater Operation of Rheem Manufacturing Company, for this unit . No one is authorized to make any other warranties on behalf of the manufacturer . ANY IMPLIED WARRANTIES, INCLUDING MERCHANTABILITY, OR FITNESS FOR A PARTICULAR PURPOSE, SHALL NOT EXTEND BEYOND THE APPLICABLE WARRANTY PERIODS SPECIFIED PREVIOUSLY.