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Rheem Indirect Water Heater - page 1
#23960 P1ge 1 W ARNING Improper installation, adjustment, alteration, service or maintenance can cause serious injury or pr oper ty damage. Refer to this manual. For assistance or additional inf ormation, consult a qualified installer or ser vice agency . CAUTION The recommended temperature for normal resid ential use is 120°F . The dial on the aq ...
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Rheem Indirect Water Heater - page 2
P age 2 T ABLE OF CONTENTS Section I: Specifications ....................................................... 3 Section II: General Informations ................................................. 5 Section III: Pre-Installation ...................................................... 7 Section IV : Installation ......................................... ...
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Rheem Indirect Water Heater - page 3
P age 3 G Cold Inlet, 3/4" NPT Ho t Ou tlet / Anode Rod , 3/4" NPT Anode Rod Aquast at T&P Relief Va lv e Fr om Bo iler Supply , 1" NPT To Bo iler Return, 1" NPT Dr ain Va lv e F D C E B A SECTION I: SPECIFICA TIONS Foam insulation standard on indirect water heater models. Pressures, all: T est pressure, 300 PSI Working pres ...
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Rheem Indirect Water Heater - page 4
Page 4 SECTION I: SPECIFICA TIONS (cont.) STID30 30 1.38 110 85 25 55,000 1.3 2.0 STID40 38 2.30 153 120 33 77,000 1.1 3.0 STID50 45 2.30 160 120 40 77,000 1.0 3.0 STID80 75 2.76 200 130 70 83,000 0.9 5.0 STID120 110 2.76 232 130 102 83,000 1.2 5.0 Model Actual T ank Volume (gal) Coil Volume (gal) First Hour Rating (gal)* Continuous Draw Rating (GP ...
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Rheem Indirect Water Heater - page 5
SECTION II: GENERAL INFORMA TION LOCA TION 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 . NO TICE: Long heating supply runs can lengthen re ...
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Rheem Indirect Water Heater - page 6
Page 6 SECTION II: GENERAL INFORMA TION (cont.) ANODE RODS The anode rod is used as a sacrificial element within the volume of the storage tank. The purpose of the magnesium anode r od is to protect the inside of the tank against corrosion. Anode r ods should be inspected twice in the first year and at least yearly once a time interval for inspecti ...
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Rheem Indirect Water Heater - page 7
SECTION III: PRE-INST ALLA TION BOILER AND CIRCULA T OR 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 T able 2 are based on a 77°F rise with 58°F potable water inlet temperature at a circulator pump flow ...
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Rheem Indirect Water Heater - page 8
Page 8 UP 15-42F /FR Closed S y stem s , 60 Hz UP 26-64F Closed S y stem s , 60 Hz SECTION III: PRE-INST ALLA TION (cont.) Figure 4: GRUNDFOS UP 15-42F performance curve Figure 5: GRUNDFOS UP 26-64F performance curve NO TICE: Zone valves on the heat source supply to the indirect water heater are not recommended and will drastically reduce perf orma ...
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Rheem Indirect Water Heater - page 9
BOILER SYSTEM SUPP L Y CIRCULA TO R PUMP BOILER SYSTEM RETURN BOILER COLD 1" INLET WA TER HE A T ER INDIRECT HO T OUT DOMESTIC 1 1/2" BOILER FROM TO BOILER CHECK V A L V E BOILER SUPP L Y SYSTEM DOMESTIC 3/4" HO T OUT INDIRECT WA TER HE A T ER BOILER TO BOILER FROM COLD INLET 3/4" V A L V E CHECK PUMP CIRCULA TO R RETURN SYSTEM ...
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Rheem Indirect Water Heater - page 10
Page 10 See Figure 8 for piping your Rheem indirect water heater to a low-mass boiler (diagram recommended b y boiler manufacturer). SECTION IV : INST ALLA TION (cont.) CHECK VA LV ES ZONE CIRCULA TORS ISOLA TION VA LV ES ADDITIONAL ZONES INDIRECT CIRCUL AT OR INDIRECT WA TER HEA TER TO HE AT ING ZONE AIR SE PA RA TOR AIR VENT EXP ANSION TA NK COLD ...
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Rheem Indirect Water Heater - page 11
ELECTRICAL CONNECTIONS Figures 9 and 10 are general wiring diagrams. For a maintaining temperature boiler , Figure 9 should c losely match your system. For cold start boilers your wiring may resemble Figure 10, but will vary depending on the boiler type and controls or rela ys used. It is not possible to list all wiring v ariations here. When conne ...
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Rheem Indirect Water Heater - page 12
Page 12 SECTION V : MAINTENANCE W A TER PIPING On an annual basis, all piping should be checked for leakage at joints, shut-off v alves, and unions. T&P RELIEF V AL VE On an annual basis, the temperature and pressure relief valve should be chec ked for proper operation. First, attach a drain line to the valve to direct the water discharge to an ...
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Rheem Indirect Water Heater - page 13
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Rheem Indirect Water Heater - page 14
SECTION VII: P ARTS LIST No. Description A pplicab le Models 1 Anode All models. 2 Anode Outlet STID 30, STID 40, STID 50 3 T&P Relief V alve All models. 4 Drain V alve All models. 5 Aquastat All models. Page 14 14 2 1 3 4 5 ...
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Rheem Indirect Water Heater - page 15
Page 15 LIMITED W ARRANTY For Rheem/Ruud™ Indirect Water Heaters. GENERAL This Limited Warranty is only available to the original owner of this water heater. It is not transferable. The Rheem Water Heater Operation of Rheem Manufacturing Company (Rheem) warrants this water heater , and its component parts, to be free from defects in materials and ...
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Rheem Indirect Water Heater - page 16
Page 16 EXCLUSIVE W ARRANTY – LIMIT A TION OF LIABILITY This Limited Warranty is the only W arranty given by the manufacturer , the Rheem W ater 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 W ARRANTIES, INCLUDING MERCHANT ABILITY , OR ...
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