HTP SSP 30, SSP 80, SSP 100, SSP 40, SSP 50 Installation, Start-up And Maintenance Instructions
...
Installation
Start-Up
Maintenance
Parts
S
uperstor Pro
Indirect Fired
Water Heaters
Warranty
For Residential and Commercial Use
SSP Models
This manual must only be used by a qualied installer / service technician. Read all instructions in this manual before installing.
Perform steps in the given order. Failure to do so could result in substantial property damage, severe personal injury, or death.
California Proposition 65 Warning: This product contains chemicals known to the State of California to cause cancer, birth
defects, or other reproductive harm.
HTP reserves the right to make product changes or updates without notice and will not be held liable for typographical errors
in literature.
The surfaces of these products contacted by potable (consumable) water contain less than 0.25% lead by weight as required
by the Safe Drinking Water Act, Section 1417.
NOTE TO CONSUMER: PLEASE KEEP ALL INSTRUCTIONS FOR FUTURE REFERENCE.
272 Duchaine Blvd. New Bedford, MA 02745 www.htproducts.com
lp-451 Rev. 001 Rel. 001 Date 7.25.17
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 water heater. This includes all related control
information. It is important that this manual, all other documents
included in this system, and additional publications including the
Code for the Installation of Heat Producing Appliances (latest version), 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 water heater must be installed by qualied and licensed personnel.
The installer should be guided by the instructions furnished with the
water heater, and by local codes and utility company requirements.
Installations Must Comply With:
Local, state, provincial, and national codes, laws, regulations, and
ordinances.
Table of Contents
Part 1 - General Safety Information 2
A. When Servicing the Water Heating System 3
B. Heater Water 3
C. Freeze Protection 3
D. Water Temperature Adjustment 3
Part 2 - Prepare the Water Heater 3
A. Locating the Water Heater 3
B. Water Chemistry Requirements 4
Part 3 - Piping 6
A. Plumbing 6
B. Boiler Connections 6
C. Domestic Piping Inlet 6
D. Auxiliary Connections 6
E. Temperature and Pressure Relief Valve 6
F. Scalding 7
G. Potable Expansion Tank 7
H. Pressure Drop Sizing For Circulator 7
I. Applications 8
Part 4 - Heater Control and Wiring 9
A. Control 9
B. Wiring 9
C. Wiring Diagrams 9
Part 5 - Start-Up and Operation 10
Part 6 - Maintenance and Troubleshooting 11
Limited Warranty 13
Customer Installation Record Form 15
Part 1 - General Safety Information
This water heater is approved for indoor installations only and is
not intended for use as a pool heater. Clearance to combustible
materials: 0” top, bottom, sides, and back. Heater must have room
for service: 24” front, 6” top, and 0” sides are minimum recommended
service clearances. (A combustible door or removable panel is
acceptable front clearance.) This water heater has been approved
for closet installation and installation on combustible ooring. Do
not install directly on carpeting. Install the water heater in a location
where temperature and pressure relief valve discharge or a leak will
not result in damage to the surrounding area. If such a location is
not available, install an auxiliary catch pan.
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 water heater serviced / inspected
annually by a qualied service technician.
FAILURE TO ADHERE TO THESE GUIDELINES CAN RESULT
IN SUBSTANTIAL PROPERTY DAMAGE, SEVERE PERSONAL
INJURY, OR DEATH.
NOTE: Obey all local codes. Obtain all applicable permits before
installing the water heater.
NOTE: Install all system components and piping in such a manner
that does not reduce the performance of any re rated assembly.
NOTE: If the water heater is exposed to the following, do not
operate. Immediately call a qualied service technician.
1. Fire
2. Damage
3. Water
Failure to follow this information could result in property damage,
severe personal injury, or death.
lp-451 Rev. 001 Rel. 001 Date 7.25.17
3
High heat sources (sources generating heat 100oF / 37oC or
greater, such as stove pipes, space heaters, etc.) may damage
plastic components of the water heater as well as plastic vent
pipe materials. Such damages ARE NOT covered by warranty. It is
recommended to keep a minimum clearance of 8” from high heat
sources. Observe heat source manufacturer instructions, as well
as local, state, provincial, and national codes, laws, regulations
and ordinances when installing this water heater and related
components near high heat sources.
DO NOT use this indirect water heater in steam applications.
Doing so will result in damage to the water heater. Such damages
ARE NOT covered by warranty.
Do not use this water heater for anything other than its intended
purpose (as described in this manual). Doing so could result in
property damage and WILL VOID product warranty.
UNCRATING THE WATER HEATER - Any claims for damage or
shortage in shipment must be led immediately against the transportation company by the consignee.
A. When Servicing the Water Heating System
To avoid electric shock, disconnect electrical supply before
performing maintenance.
To avoid severe burns, allow water heater and associated equipment
to cool before servicing.
B. Heater Water
Do not use petroleum-based cleaning or sealing compounds in
a water heating system. Gaskets and seals in the system may be
damaged. This can result in substantial property damage.
Do not use “homemade cures” or “patent medicines”. Damage to the
water heater, substantial property damage, and/or serious personal
injury may result.
NOTICE FOR SINGLE-WALL HEAT EXCHANGER MODELS
Per the Uniform Plumbing Code:
Single-wall heat exchangers are permitted if they satisfy all of the
following requirements:
The heat exchanger medium is potable water or contains only
substances which are recognized as safe by the US Food and Drug
Administration (FDA).
The pressure of the heat exchanger medium is maintained less
than the normal minimum operating pressure of the potable water
system.
The equipment is permanently labeled to indicate that only
additives recognized as safe by the FDA shall be used as the heat
transfer medium.
Other heat exchanger designs may be permitted where approved
by the AHJ.
In water heaters with single wall heat exchangers, the heat transfer
uid must be water or nontoxic food grade glycol, FDA rated
“generally recognized as safe” (GRAS) and having a toxicity rating or
class of 1, as listed in Clinical Toxicology of Commercial Products, 5th
edition. Ensure the system is permanently labeled to indicate any
additives used in the heat transfer uid.
NEVER use any toxic chemical, including automotive, standard glycol
antifreeze, or ethylene glycol made for hydronic (non-potable)
systems. These chemicals can attack gaskets and seals in water
systems, are poisonous if consumed, and can cause personal injury
or death.
D. Water Temperature Adjustment
If the water heater is going to have a set temperature above 120oF,
you must use an ASSE 1017 rated mixing valve to avoid severe burns
or death from scalding temperatures.
Households with small children, disabled, or elderly persons may
require a 120oF or lower temperature setting to prevent severe
personal injury or death due to scalding.
Approximate Time / Temperature Relationships in Scalds
120oF More than 5 minutes
125oF 1 1/2 to 2 minutes
130oF About 30 seconds
135oF About 10 seconds
140oF Less than 5 seconds
145oF Less than 3 seconds
150oF About 1 1/2 seconds
155oF About 1 second
Table 1 - Approximate Time / Temperature Relationships in Scalds
Part 2 - Prepare the Water Heater
Remove all sides of the shipping crate to allow the heater to be moved
into its installation location.
COLD WEATHER HANDLING - If the water heater has been stored
in a very cold location (BELOW 0oF) before installation, handle with
care until the components come to room temperature. Failure to do
so could result in damage to the water heater.
NOTE: A drain valve is included with the water heater.
A. Locating the Water Heater
C. Freeze Protection
NOTE: Consider piping and installation when determining heater
location. Place the water heater as close to the boiler as possible in a
location not prone to freezing.
Failure of the water heater due to freeze related damage IS NOT
covered by product warranty.
High heat sources (generating heat 100oF / 37oC or greater, such
as boiler ue pipes, space heaters, etc.) may damage plastic
components of the water heater as well as plastic vent pipe materials.
Such damages ARE NOT covered by warranty. It is recommended to
keep a minimum clearance of 8” from high heat sources. Observe
heat source manufacturer instructions, as well as local, state,
provincial, and national codes, laws, regulations, and ordinances
when installing this water heater and related components near high
heat sources.
This water heater is certied for indoor use only. DO NOT INSTALL
OUTDOORS. Outdoor installations ARE NOT covered by warranty.
lp-451 Rev. 001 Rel. 001 Date 7.25.17
4
Choose a location for the water heater as centralized to the piping
system as possible. Also, locate the water heater and domestic water
piping where it will not be exposed to freezing temperatures. All
piping should be insulated. Additionally, place the water heater so that
the drain, controls, and inlets/outlets are easily accessible.
Locate the water heater where any leakage from the relief valve,
related piping, tank, or connections will not result in damage to
surrounding areas or lower oors of the building. The water heater
should be located near a oor drain or installed in a drain pan.
Leakage damages ARE NOT covered by warranty.
NOTE: To save on heating costs and improve energy eciency keep
the distance between the boiler and water heater to a minimum
to reduce heat loss from excess piping and keep friction loss at a
minimum. Ensure all piping between the boiler and water heater is
properly insulated to minimize heat loss.
The water heater may be located some distance from the boiler
provided the circulator meets ow requirements through the coil. The
greater the distance from the water heater to the boiler the longer the
response will be to a call for hot water.
This water heater must be installed vertical on a level surface.
NOTE: In the State of California, the water heater must be braced,
anchored, or strapped to avoid moving during an earthquake. Contact
local utilities for code requirements in your area. Visit http://www.dsa.
dgs.ca.gov or call 1-916-445-8100 and request instructions.
However, applicable local codes shall govern installation. For residential
water heaters of a capacity of greater than 52 gallons, consult the local
building jurisdiction for acceptable bracing procedures.
NOTE: If you do not provide the minimum clearances shown in
Figure 1, it might not be possible to service the water heater without
removing it from the space.
NOTE: A combustible door or removable panel is acceptable front
clearance.
Ensure the location can support the entire lled weight of the water
heater. Failure to properly support the water heater could result in
property damage, severe personal injury, or death.
This water heater must be installed upright in the vertical position as
described in this manual. DO NOT attempt to install this water heater
in any other orientation. Doing so will result in improper water
heater operation and property damage, and could result in serious
personal injury or death.
This water heater must not be located near ammable liquids such
as gasoline, butane, liqueed propane, adhesives, solvents, paint
thinners, etc., as the controls of this water heater could ignite these
vapors and cause an explosion resulting in property damage, severe
personal injury, or death.
B. Water Chemistry Requirements
Chemical imbalance of the water supply may aect eciency and
cause severe damage to the appliance and associated equipment.
Water quality must be professionally analyzed to determine whether
it is necessary to treat the water. Various solutions are available to
adjust water quality. Adverse water quality will aect the reliability
of the system. In addition, operating temperatures above 135oF will
accelerate the build-up of lime scale and possibly shorten appliance
service life. Failure of an appliance due to lime scale build-up, low
pH, or other chemical imbalance IS NOT covered by the warranty.
RECOMMENDED SERVICE CLEARANCES
ZERO
MAXIMUM 2"
Figure 1 - Recommended Service Clearances
ZERO CLEARANCE
24" MIN.
CATCH PAN DIMENSIONS
DIA. OF WATER HEATER
PLUS 2" MINIMUM
ZERO
TO OPEN DRAIN
LINE SHOULD BE AT
LEAST 3/4" ID AND
PITCHED FOR PROPER
DRAINAGE.
LP-451-G
03/29/17
The water must be potable, free of corrosive chemicals, sand,
dirt, and other contaminates. It is up to the installer to ensure the
water does not contain corrosive chemicals or elements that can
damage the heat exchanger. Potable water is dened as drinkable
water supplied from utility or well water in compliance with EPA
secondary maximum contaminant levels (40 CFR Part 143.3). If
the water contains contaminants higher than outlined by the EPA,
water treatment is recommended and additional, more frequent
maintenance may be required.
If you suspect that your water is contaminated in any way,
discontinue use of the appliance and contact an authorized
technician or licensed professional.
• Water pH between 6.5 and 8.5
• pH levels below 6.5 can cause an increase in the rate of
corrosion. pH of 8.5 or higher can potentially cause lime
scale build-up
• Maintain water pH between 6.5 and 8.5. Check with litmus
paper or have it chemically analyzed by a local water
treatment company.
• If the pH is not between 6.5 and 8.5, consult a local water
treatment company for solutions.
• Hardness less than 12 grains (200 mg/L) (Residential Use
- water temperatures below 140oF)
• Hardness less than 7 grains (120 mg/L) (Commercial Use
- water temperatures of 140oF and greater)
• Hardness levels above the required amounts can lead to
lime scale build-up throughout the system. Water below 5
grains/gallon (85 mg/L) may be over softened.
• Consult local water treatment companies for unusually
hard water areas (above the required amounts) or for
other treatment solutions if water is being over softened
(below 5 grains/gallon [85 mg/L]).
lp-451 Rev. 001 Rel. 001 Date 7.25.17
5
A
C
D
B
30 MODEL
TOP
VIEW
F
OUTLET
BOILER IN
BOILER OUT
DRAIN VALVE
G
H
RELIEF
VALVE
THERMOSTAT
CONNECTION
AUX/RECIRC
INLET
THERMOSTAT
ACCESS COVER
BOILER IN
BOILER OUT
E
A
D
B
C
40 / 50 / 60 / 80 / 100 MODELS
INDIRECT WATER HEATER
MODEL A B C D E F G H
30
42-1/8"
40
50
60
80
100
MODEL
30
40
50
60
80
100
*DOE TEST METHOD BASED ON 77 F TEMPERATURE RISE, 58 / 135 W/BOILER WATER AT 180 F
NOTE: TANK RECOVERY FROM COLD START WILL BE BETWEEN 10-13 MINUTES WHEN SIZED WITH CORRECT FLOW RATE, BOILER SIZE AND
PRESSURE DROP RATINGS FROM LIST IN ABOVE CHART.
CONTINUOUS FLOW RATING CALCULATION:
FIRST HOUR RATING - (.75 * GALLON CAPACITY) = CONTINUOUS FLOW RATING
HEAT
EXCHANGER
SURFACE
15 SQ. FT.
18 SQ. FT.
Figure 2 - Specications and Dimensions
• Chloride concentration less than 100 ppm (mg/L)
• Do not ll appliance or operate with water containing
chlorides in excess of 100 ppm (mg/L).
• Using chlorinated fresh water should be acceptable as levels
are typically less than 5 ppm (mg/L).
• Do not connect the appliance to directly heat swimming
pool or spa water.
• Total Dissolved Solids (TDS) less than 500 ppm (mg/L)
• Total dissolved solids are minerals, salts, metals, and charged
particles that are dissolved in water.
52-5/8"
PRESSURE
19-3/8"
5-7/8" 21"
23-1/2"
TEST
WORKING
PRESSURE
300 PSI 150 PSI
CAPACITY
U.S. GAL.
28 GAL
1-3/8" 4" 8" 4"
180 BOILER
WATER FIRST
HOUR RATINGS
(GAL) *
140 F
228 130,000 8 GPM 1.7 FT 95 LBS
266 155,000 10 GPM 2.3 FT 111 LBS
287 155,000 10 GPM 2.3 FT 127 LBS
303 155,000 10 GPM 2.3 FT 140 LBS
347 175,000 12 GPM 2.3 FT 157.5 LBS
393 195,000 14 GPM 2.3 FT 195 LBS
180 F
BOILER
BTU/SIZE
RECOMMENDED
FLOW RATE
58 GAL
PRESSURE DROP
RECCOMENDED
LAG 83"4/1-45
LAG 84"8/5-66
LAG 87"96
FLOW
DOMESTIC
CONNECTION
3/4" NPTM
1" NPTM
AT
• The greater the amounts of TDS present, the higher the
corrosion potential due to increased conductivity in the
water.
• If using softened water to ll the appliance, it is still possible
to have high TDS. This water can be corrosive. Consult local
water treatment companies for other treatment solutions to
reduce this aect.
*NOTE: To promote appliance service life, it is strongly recommended
to follow the maintenance procedures in this manual.
MTPN 2/1-1LAG 89"4/1-02"8/1-8"2/1-72"8/7-06
DRY
WEIGHT
LP-451-E
03/29/17
lp-451 Rev. 001 Rel. 001 Date 7.25.17
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