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INSTALLATION, OPERATING, AND
SERVICE INSTRUCTIONS
HEAT-FLO INDIRECT-FIRED WATER HEATERS
MODELS 30, 40, 40L, 50, 60, 60L, 80, 115
AND 60-HO, 80-HO, 80-HO-C, 115-HO, 115-HO-C
85-XHO, 115-XHO HIGH OUTPUT UNITS
FOR SINGLE WATER HEATER INSTALLATIONS
For service or repairs to the water heater, call your heating contractor. Your water heater has been manufactured
to provide years of service. In order to insure proper service, the following information is provided to assist
in enabling the installation, operation, and maintenance of this water heater. For your comfort, safety, and
convenience, we recommend that this water heater be installed and serviced by a plumbing professional. When
the installation is completed, keep this manual with the water heater. Information and specifications outlined
in this manual in effect at the time of printing of this manual. Heat-Flo reserves the right to discontinue, change
specifications, or change system design at any time without notice.
Heat-Flo, Inc.
15 Megan Ct., P.O. Box 612 Uxbridge, MA 01569 USA
Conforms to UL STD 174 and NSF/ANSI 372
Certified to CAN/CSA STD C22.2 No. 110-94
Bulletin I0-010115
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Summary of Contents for Heat-Flo 60-HO
- Page 1 Information and specifications outlined in this manual in effect at the time of printing of this manual. Heat-Flo reserves the right to discontinue, change specifications, or change system design at any time without notice.
- Page 2 Safety I nformation The f ollowing t erms a nd s ymbols a re u sed t o b ring a ttention t o t he p resence o f various ...
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Page 3: Table Of Contents
Table o f C ontents General I nformation 1, 2 Pre-‐Installation C onsiderations 3-‐10 Dimensions a nd C apacities 4, 5 Piping 8-‐12 ... - Page 4 IMPORTANT I NFORMATION – R EAD C AREFULLY NOTE: The equipment shall be installed in accordance with those installation regulations required in the area where the installation is to be made. These regulations shall be carefully followed in all cases. Authorities having ...
- Page 5 DO N OT s tore o r u se g asoline o r o ther f lammable v apors o r l iquids i n t he v icinity o f t his o r a ny o ther a ppliance. I f you ...
- Page 6 Pre-‐installation C onsiderations Inspect s hipment c arefully f or s igns o f d amage. A ll e quipment i s c arefully i nspected a nd p acked. Heat-‐Flo’s ...
- Page 7 STANDARD A ND H O U NITS NOTE: A ll r atings a re b ased o n a 5 0° F . c old w ater i nlet. F or o ther b oiler s upply t emperatures, s ee additional ...
- Page 8 HO-‐ C U NITS XHO E XTRA H IGH O UTPUT U NITS Heat-‐Flo, I nc.| I ndirect-‐Fired W ater H eaters Page| 5 ...
- Page 9 3. Circulator s izing: Refer t o T able 2 ( Pg. 2 ) f or t he f low t hrough t he w ater h eater c oil a nd t he p ressure d rop. Calculate the pressure drop across all piping and fittings connected to the water heater ...
- Page 10 Option 2 : N on-‐Priority: The b oiler o utput i s d ivided b etween s pace h eating a nd w ater h eating. H eating o f d omestic h ot water can be reduced during simultaneous space and water heating demands. The amount of ...
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Page 11: Piping 8--12
REMOVING T HE E XISTING D OMESTIC W ATER H EATING S YSTEM External T ankless H eater Disconnect all lines to the boiler and plug the boiler fittings. Disconnect the external heater ... - Page 12 2. Position t he w ater h eater i n i ts f inal l ocation 3. Connect t he c old w ater s upply p iping. •...
- Page 13 5. Fill t he w ater h eater. • Open all faucets to allow air to purge from the tank and piping. Remove screens on faucets. ...
- Page 14 Heat-‐Flo, I nc.| I ndirect-‐Fired W ater H eaters Page| 1 1 ...
- Page 15 Heat-‐Flo, I nc.| I ndirect-‐Fired W ater H eaters Page| 1 2 ...
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Page 16: Electrical
ELECTRICAL 1. Install electric wiring and grounding in accordance with the National Electrical code (latest edition) and/or local regulations in the US, and in accordance with the Canadian Electrical ... - Page 17 Heat-‐Flo, I nc.| I ndirect-‐Fired W ater H eaters Page| 1 4 ...
- Page 18 Heat-‐Flo, I nc.| I ndirect-‐Fired W ater H eaters Page| 1 5 ...
- Page 19 WATER T EMPERATURE A DJUSTMENT It i s r ecommended t hat t he t hermostat b e s et f or t he l owest p ossible t emperature t hat s atisfies your ...
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Page 20: Maintenance
It is the responsibility of the installing contractor to see that all controls are correctly installed a nd a re o perating p roperly w hen t he i nstallation i s c omplete. DO ... - Page 21 ABOVE A LL, D O N OT P LUG T HE T EMPERATURE A ND P RESSURE R ELIEF V ALVE. T HIS I S N OT A SOLUTION ...
- Page 22 outlined on page 6. Failure to inspect the anode regularly and replace if necessary could result i n d amage t o t he w ater h eater. I f t his u nit i s i nstalled a nd m aintained a ccording t o the ...
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Page 23: Troubleshooting
TROUBLESHOOTING PROBLEM CAUSE SOLUTION Press r eset b utton. Check m ain c ut-‐off s witch. Check f uses o r b reakers. ... - Page 24 180°F B oiler S upply IBR R ating C ondition HIGH O UTPUT U NITS: 6 0-‐HO, 8 0-‐HO, 1 15-‐HO ...
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Page 25: Replacement P Arts
Replacement P arts L ist Heat-‐Flo, I nc.| I ndirect-‐Fired W ater H eaters Page| 2 2 ... -
Page 26: Limited W Arranty
After one year, Heat-Flo, Inc. will repair or replace, at its option, without charge, any water heater h aving a defect or malfunction that results i n a w ater l eak f rom o uter t he j acket, i nner t ank, o r h eat e xchanger a s a r esult o f n ormal u se a nd service. It is expressly agreed ... - Page 27 The obligations under this warranty apply only to domestic hot water tank installations where the warranty registration card has been completed by the owner of the site of the original installation and received by Heat-Flo in accordance with the terms and conditions herein set out and Heat-Flo has been notified of the alleged defect or deficiency within forty eight (48) hours from the occurrence or discovery of the alleged defect or deficiency.
- Page 28 R A I S I N G T H E S T A N D A R D Heat-Flo, Inc. 15 Megan Ct., P.O. Box 612, Uxbridge MA, 01569, USA Phone: (508) 278-2400 | Fax: (508) 278-2466 | e-mail: sales@heat-flo.com www.heat-flo.com...
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