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 4 10/09
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Table of Contents
Related Manuals for Rheem STID30
Summary of Contents for Rheem STID30
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Page 1: Instruction Manual
To the Installer: To the Consumer: Please attach these instructions Please read these and all component next to the indirect water heater. instructions and keep for future reference. Indirect Water Heater Instruction Manual Warranty and Parts List are included. INSTALLER RESPONSIBILITIES Please read all instructions thoroughly before installing or placing the indirect water heater into service. -
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 SECTION I: SPECIFICATIONS (cont .) Table 2: Capacity & Performance P e r f o r m a n c e C a p a c i t i e s Model STID30 59,000 STID40 105,000 STID50 105,000 STID80 120,000...
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Page 5: Section Ii: General Informations
CAUTION: Hot water in excess of 120°F can cause scalding! Rheem recommends a tempering valve or anti-scald valve be installed and used according to the manufacturer’s directions to prevent scalding. Many state and local codes now require installation of these devices. The tempering valve or anti-scald valve will ensure potable water temperatures at the desired set point with a higher degree of accuracy. - Page 6 Please see the Maintenance section of this manual for instructions on how to change the anode rods in your 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).
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Page 7: Section Iii: Pre-Installation
SECTION III: PRE-INSTALLATION boIler and CIrCulaTor sIzIng The ratings published in this manual for your Rheem indirect water heater can be obtained through proper selection of boiler output and circulator capacity. As noted, the ratings in Table 2 are based on a 77°F rise with 58°F potable water inlet temperature at a circulator pump flow rate of 14 GPM. - Page 8 SECTION III: PRE-INSTALLATION (cont .) UP 15-42F/FR Closed Systems , 60 Hz Figure 4: GRUNDFOS UP 15-42F performance curve UP 26-64F Closed Systems , 60 Hz Figure 5: GRUNDFOS UP 26-64F performance curve NOTICE: Zone valves on the heat source supply to the indirect water heater are not recommended and will drastically reduce performance.
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Page 9: Section Iv: Installation
All piping to the inlet (cold) and outlet (hot) domestic water connections should be new copper with a minimum size of 1/2” ID for models STID30, STID40, and STID50. Use 3/4” ID minimum for models STID80 and STID120. - 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). HEATING ZONE FROM HEATING ZONE CHECK VALVES ZONE CIRCULATORS ISOLATION VALVES ISOLATION VALVES LESS THAN (4)
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Page 11: Electrical Connections
SECTION IV: INSTALLATION (cont .) eleCTrICal ConneCTIons Figure 9: Boiler Maintaining 180°F Figures 9 and 10 are general wiring diagrams. Indirect For a maintaining temperature boiler, Figure 9 Circulator should closely match your system. For cold start Indirect boilers your wiring may resemble Figure 10, but will Aquastat vary depending on the boiler type and controls or relays used. -
Page 12: Section V: Maintenance
SECTION V: MAINTENANCE WaTer pIpIng On an annual basis, all piping should be checked for leakage at joints, shut-off valves, and unions. T&p relIef valve On an annual basis, the temperature and pressure relief valve should be checked for proper operation. -
Page 13: Section Vi: Troubleshooting
SECTION VI: TROUBLESHOOTING Page 13... -
Page 14: Section Vii: Parts List
SECTION VII: PARTS LIST Description Applicable Models Anode All models. Anode Outlet STID 30, STID 40, STID 50 T&P Relief Valve All models. Drain Valve All models. Aquastat All models. Page 14... -
Page 15: Section Viii: Warranty
HOW TO OBTAIN WARRANTY CLAIM ASSISTANCE any claim for warranty assistance must be made promptly. rheem reserves the right to deny any warranty claim filed more than ninety (90) days after an incident covered by this limited Warranty occurs. first, determine if your indirect water heater is “in-warranty” (that is, within the applicable Warranty periods that apply). You can determine your unit’s warranty status by obtaining the complete model number, the complete serial number, and the date of original installation and accessing the “Warranty Verification”... - Page 16 • this limited Warranty is the only Warranty given by the rheem Water heater operation of rheem manufacturing company (rheem) for this indirect water heater. no one is authorized to make any other warranties on behalf of rheem. anY implieD WarrantieS, incluDinG merchantabilitY, or fitneSS for a particular purpoSe, Shall not eXtenD beYonD the applicable WarrantY perioDS SpecifieD preViouSlY.