lp-181 Rev. 003 Rel. 008 Date 8.21.18
2
The following dened terms are used throughout this manual to
bring attention to the presence of hazards of various risk levels or to
important product information.
DANGER indicates an imminently hazardous situation which, if not
avoided, will result in serious personal injury or death.
WARNING indicates a potentially hazardous situation which, if not
avoided, could result in personal injury or death.
CAUTION indicates a potentially hazardous situation which, if not
avoided, may result in moderate or minor personal injury.
CAUTION used without the safety alert symbol indicates a
potentially hazardous situation which, if not avoided, may result in
property damage.
NOTICE is used to address practices not related to personal injury.
Foreword
This manual is intended to be used in conjunction with other literature
provided with the storage tank. This includes all related control
information. It is important that this manual, all other documents
included in this system, and additional publications be reviewed in
their entirety before beginning any work.
Installation should be made in accordance with the regulations of
the Authority Having Jurisdiction, local code authorities, and utility
companies which pertain to this type of water heating equipment.
Authority Having Jurisdiction (AHJ) – The AHJ may be a federal, state,
local government, or individual such as a re chief, re marshal, chief
of a re prevention bureau, labor department or health department,
building ocial or electrical inspector, or others having statutory
authority. In some circumstances, the property owner or his/her agent
assumes the role, and at government installations, the commanding
ocer or departmental ocial may be the AHJ.
NOTE: HTP reserves the right to modify product technical specications
and components without prior notice.
For the Installer
This storage tank must be installed by qualied and licensed personnel.
The installer should be guided by the instructions furnished with the
storage tank, and by local codes and utility company requirements.
Installations Must Comply With:
Local, state, provincial, and national codes, laws, regulations, and
ordinances.
Part 1 - General Safety Information
This storage tank is approved for indoor installations only and is
not intended for use in swimming pool applications. Clearance
to combustible materials: 0” top, bottom, sides, and back. Tank
must have room for service: 24” front and 6” sides are minimum
recommended service clearances. (A combustible door or
removable panel is acceptable front clearance.) This storage
tank has been approved for closet installation and installation on
combustible ooring. Do not install this storage tank directly on
carpeting. Install the storage tank in a location where temperature
and pressure relief valve discharge or a leak will not result in damage
to the surrounding area.
Installer - Read all instructions in this manual before installing.
Perform steps in the given order.
User - This manual is for use only by a qualied heating installer
/ service technician. Have this storage tank serviced / inspected
annually by a qualied service technician.
Table of Contents
Part 1 - General Safety Information 2
A. When Servicing the Water Heating System 3
B. System Water 3
C. Freeze Protection 3
D. Water Temperature Adjustment 3
Part 2 - Prepare the Storage Tank 3
A. Locating the Storage Tank 3
B. Water Chemistry Requirements 4
C. Optional Equipment 4
Part 3 - Piping 4
A. Plumbing 4
B. Tankless Coil Connections 5
NOTE: Obey all local codes. Obtain all applicable permits before
installing the storage tank.
NOTE: Install all system components and piping in such a manner
that does not reduce the performance of any re rated assembly.
C. Hot Water Outlet 5
D. Temperature and Pressure Relief Valve 6
E. Potable Expansion Tank 6
F. Scalding 6
G. Application 7
Part 4 - Control and Wiring 7
A. Control 7
B. Wiring 7
C. Wiring Diagram 7
Part 5 - Start-Up and Operation 7
Part 6 - Maintenance and Troubleshooting 8
Five (5) Year Limited Warranty 10
Customer Installation Record Form 12
From the Uniform Plumbing Code 2000 - Section 510 -
Protection From Damage
1. All storage tanks installed in areas where they may be subjected
to mechanical damage shall be suitably guarded against such
damage by being installed behind adequate barriers or by being
elevated or located out of the normal path of a vehicle using any
such garage.
2. The Administrative Authority may require the use of an
approved dielectric insulator on the water piping connections of
storage tanks and related water heating equipment.
3. In seismic zones 3 and 4, storage tanks shall be anchored or
strapped to resist horizontal displacement due to earthquake
motion. Strapping shall be at points within the upper one-third
(1/3) and lower one-third (1/3) of its vertical dimensions. At the
lower point, a minimum distance of four (4) inches (102 mm) shall
be maintained above the controls with the strapping.
4. A storage tank supported from the ground shall rest on level
concrete or other approved base extending not less than three (3)
inches (76 mm) above the adjoining ground level.
5. When a storage tank is located in an attic, attic-ceiling assembly,
oor-ceiling assembly, or oor-suboor assembly where damage
may result from a leaking storage tank, a watertight pan of
corrosion resistant materials shall be installed beneath the storage
tank with a minimum three-quarter (3/4) inch (20 mm) diameter
drain to an approved location.
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