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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 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 WATER HEATER AND TO PROVIDE 

IMPORTANT SAFETY INFORMATION.

INSTALLER RESPONSIBILITIES

Please read all instructions thoroughly before
installing or placing the heater into service.
This unit must be installed by licensed or
authorized installers, or technical personnel
that service water heating equipment. The
heater must be installed in accordance with all
local codes and ordinances.

These instructions are a guide for the correct
installation of the 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 VOIDS THE WARRANTY 

ON THIS WATER HEATER.

Read all instructions thoroughly before
attempting installation or operation of your
water heater. Keep these instructions for future
reference.
Local plumbing and electrical codes must be
followed in the installation of this 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 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.

Warranty, Registration Card and Parts List are included.

Homeowner: Please remember to return the Registration Card!

To the Consumer:

Please read these and all component 
instructions and keep for future reference.

To the Installer:

Please attach these instructions 
next to the water heater.

Indirect Coil Tank Water Heater

Instruction Manual

#23945

Rev 2  4/06

Summary of Contents for HL119SK

Page 1: ...that commonly reduces the life of other in direct water heaters 3 Steel coil increases heat transfer for faster recov ery and the luxury of never running out of hot water 3 Coils and tank lining are...

Page 2: ...rvice This unit must be installed by licensed or authorized installers or technical personnel that service water heating equipment The heater must be installed in accordance with all local codes and o...

Page 3: ...Section I Specifications 4 Section II General Information 6 Section III Pre Installation 8 Section IV Installation 10 Section V Maintenance 13 Section VI Troubleshooting 14 Section VII Parts List 15...

Page 4: ...etting for normal residential use is 120 F ECR recommends a tempering valve or anti scald valve be installed and used according to the manufacturer s directions to prevent scalding HL30SK 22 35 3 4 27...

Page 5: ...78 88 000 190 96 000 202 104 000 214 111 000 HL80SK 188 76 000 212 91 000 224 98 000 221 97 000 233 104 000 245 112 000 257 119 000 HL119SK 220 76 000 244 91 000 256 98 000 253 97 000 265 104 000 277...

Page 6: ...provides limited control for domestic hot water temperature The proper temperature setting for domestic hot water use is 120 F 49 C If hotter water is required a tempering device or anti scald device...

Page 7: ...r system When hydrogen is present there will probably be an unusual sound such as air escaping through the pipe as the water begins to flow There should be no smoking or open flame near the faucet at...

Page 8: ...th 180 F and 200 F boiler water To determine the appropriate circulator for your system follow these three steps 1 Calculate the pressure drop of all straight pipe and fittings on the supply and retur...

Page 9: ...inimum coil output assume coil output boiler output listed in Tables 2 and 3 is not met the output first hour rating of the water heater will not be met at the selected flow rate To approximate the re...

Page 10: ...be minimized A flow check valve must be installed on the return line 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 model...

Page 11: ...IV INSTALLATION cont CHECK VALVES ZONE CIRCULATORS ISOLATION VALVES ADDITIONAL ZONES INDIRECT CIRCULATOR INDIRECT WATER HEATER TO HEATING ZONE AIR SEPARATOR AIR VENT EXPANSION TANK COLD WATER INLET BO...

Page 12: ...the indirect calls for heat the indirect coil tank heater circulator must start rather than opening a zone valve the system circulator stays off and the boiler must light to reach high limit WIRING NO...

Page 13: ...nd at least yearly once a time interval for inspection has been developed It is recommended to check the rod s six months after the heater is installed If the anode rod had reduced in size by two thir...

Page 14: ...k power supply Replace as necessary Faulty tank aquastat Replace aquastat Boiler cycles more than 5 times per day during hotest months Excessive demand Reduce demand or consider larger tank Faulty aqu...

Page 15: ...HL50SK 3 HL80SK 3 HL119SK 5 Leak Detector Fitting HL30SK HL40SK 5 Leak Detector Fitting HL50SK HL80SK HL119SK 6 ST00601 1 T P Relief Valve 3 4 LL100XL HL30SK HL40SK HL50SK 6 ST01001 1 T P Relief Valve...

Page 16: ...e unauthorized alteration improper repair or maintenance excessive pressure or leaks at water connections or any other similar cause 5 The failure or malfunction results from failure to keep the unit...

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