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P.O. Box 4729
Utica, NY 13504-4729
www.ecrinternational.com
WATER HEATERS
HOTLINE
INDIRECT
WATER HEATER
MODELS HL30SK, HL40SK, HL50SK,
HL80SK, HL119SK
SET-UP, OPERATING &
MAINTENANCE
INSTRUCTION MANUAL
Twice the recovery of a standard gas-fired water
heater and four times the recovery of an electric
water heater.
Counterflow design increases heat transfer by
50% for better temperature mixing.
Unique, smooth tube heating coil resists lime
buildup that commonly reduces the life of other in-
direct water heaters.
Steel coil increases heat transfer for faster recov-
ery and the luxury of never running out of hot
water.
Coils and tank lining are coated with the finest
porcelain enamel available. Its extra cobalt makes
our heaters highly resistant to damage from ag-
gressive water.
Two-inch layer of environmentally-friendly CFC-
free foam insulation enhances efficiency and cuts
fuel bills.
Commercial quality at residential prices.
MADE IN THE U.S.A.
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Summary of Contents for Hotline HL30SK
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Page 1: Instruction Manual
HOTLINE INDIRECT P.O. Box 4729 Utica, NY 13504-4729 WATER HEATER www.ecrinternational.com MODELS HL30SK, HL40SK, HL50SK, HL80SK, HL119SK SET-UP, OPERATING & MAINTENANCE INSTRUCTION MANUAL Twice the recovery of a standard gas-fired water heater and four times the recovery of an electric water heater. - Page 2 To the Installer: To the Consumer: Please attach these instructions Please read these and all component next to the water heater. instructions and keep for future reference. Indirect Coil Tank Water Heater Instruction Manual Warranty, Registration Card and Parts List are included. Homeowner: Please remember to return the Registration Card! WARNING INSTALLER RESPONSIBILITIES...
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Page 3: Table Of Contents
TABLE OF CONTENTS Section I: Specifications ..........4 Section II: General Information . -
Page 4: Section I: Specifications
To Boiler Return, 1"NPT Drain Valve Cold Inlet, 1" NPT Figure 2: HL80SK, HL119SK Figure 1: HL30SK, HL40SK, HL50SK Table 1: Dimensions D i m e n s i o n s Model HL30SK ⁄ ´ ´ ⁄ ´ ´... - Page 5 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 HL30SK 1.38 55,000 HL40SK 2.30 77,000 HL50SK 2.30 77,000 HL80SK 2.76...
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Page 6: Section Ii: General Information
CAUTION: Hot water in excess of 120°F can cause scalding! HotLine 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 7 SECTION II: GENERAL INFORMATION (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 rod is to protect the inside of the tank against corrosion. Anode rods should be inspected twice in the first year and at least yearly once a time interval for inspection has been developed.
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Page 8: Section Iii: Pre-Installation
SECTION III: PRE-INSTALLATION BOILER AND CIRCULATOR SIZING The ratings published in this manual for your HotLine Indirect Coil Tank 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 8 GPM. - Page 9 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 Note: Zone valves on the heat source supply to the indirect heater are not recommended and will drastically reduce performance.
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Page 10: 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 HL30SK, HL40SK, and HL50SK. Use 3/4” ID minimum for models HL80SK and HL119SK. - Page 11 SECTION IV: INSTALLATION (cont.) See Figure 8 for piping your HotLine Indirect Coil Tank 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)
- Page 12 SECTION IV: INSTALLATION (cont.) ELECTRICAL CONNECTIONS Figures 9 and 10 are general wiring diagrams. For a maintaining temperature boiler, Figure 9 should closely match your system. For cold start boilers your wiring may resemble Figure 10, but will vary depending on the boiler type and controls or relays used.
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Page 13: 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 14: Section Vi: Troubleshooting
SECTION VI: TROUBLESHOOTING PROBLEM CAUSE SOLUTION No hot water at faucet Boiler does not Refer to boiler installation operate instructions Check main service switch Check fused disconnect Circulator does not Check power supply operate Replace as necessary Check aquastat setting Improper aquastat Turn tank aquastat to safe setting... -
Page 15: Section Vii: Parts List
HL40SK Nipple 3/4 x 3", Hot Out or T&P HL80SK, HL119SK Nipple, 1 1/2" HL80SK, HL119SK Cap, Magnesium Anode Rod HL30SK, HL40SK, HL50SK, (3) HL80SK, (3) HL119SK Leak Detector Fitting HL30SK, HL40SK Leak Detector Fitting HL50SK, HL80SK, HL119SK ST00601 T&P Relief Valve 3/4" LL100XL... -
Page 16: Section Viii: Warranty
SECTION VIII: WARRANTY LIMITED LIFETIME WARRANTY GENERAL CONDITIONS 7) ECR International Hot Line is installed outside of the United States or Canada. Hot Line Water Heaters, ECR International, warrants that the 8) ECR International Hot Line is repaired or altered without Hot Line tank shall be free of defects in material and workman- prior written approval of ECR International and this serv- ship during normal use and service for as long as the original...
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