NTI Trin & Stor S Series Installation And Operation Instructions Manual
Indirect water heaters
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Trin & Stor
Model Numbers: S & S20W Series
Version Date: 2021-09-01
INDIRECT WATER HEATERS
INSTALLATION AND OPERATION INSTRUCTIONS
To be installed in conjunction with an NTI Boiler
TABLE OF CONTENTS
1.0
INTRODUCTION ................................................................................................................ 2
Trin & Stor Specifications .................................................................................................... 2
I.O.M. Checklists .................................................................................................................. 3
2.0
WATER HEATER PIPING ................................................................................................. 7
Domestic Side Piping ........................................................................................................... 8
Boiler System Piping ............................................................................................................ 9
3.0
TANK SENSOR ................................................................................................................. 15
4.0
START UP AND CHECK OUT ........................................................................................ 17
5.0
ANNUAL MAINTENANCE AND INSPECTION ........................................................... 17
6.0
PARTS LIST ...................................................................................................................... 18
S20W
HAZARD SYMBOLS AND DEFINITIONS
install this unit may result in property damage, serious injury to occupants, or possibly death.
Danger Sign: Indicates a hazardous situation which, if not avoided, will
result in serious injury or death.
Warning Sign: Indicates a hazardous situation which, if not avoided,
could result in serious injury or death.
Caution Sign plus Safety Alert Symbol: Indicates a hazardous situation
which, if not avoided, could result in minor or moderate injury.
Caution Sign without Safety Alert Symbol: Indicates a hazardous
situation which, if not avoided, could result in property damage.
Notice Sign: Indicates a hazardous situation which, if not avoided,
could result in property damage.
This Indirect Water Heater must be installed by a licensed and trained
Heating Technician, or the Warranty is Void. Failure to properly
S Series
30 Stonegate Dr.
Saint John, NB
E2H 0A4 Canada
NTI 84230
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Summary of Contents for NTI Trin & Stor S Series
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Page 1: Table Of Contents
30 Stonegate Dr. Saint John, NB E2H 0A4 Canada INDIRECT WATER HEATERS INSTALLATION AND OPERATION INSTRUCTIONS To be installed in conjunction with an NTI Boiler TABLE OF CONTENTS INTRODUCTION ........................ 2 Trin & Stor Specifications ....................2 I.O.M. Checklists ........................3 WATER HEATER PIPING .................... -
Page 2: Introduction
Installation and Operation Instructions Indirect Water Heaters 1.0 INTRODUCTION Trin & Stor Specifications NTI’s Indirect Water Heaters: "S" Series consists of a high-performance stainless-steel tank and heat exchanger coil. Table 1-1 Indirect Water Heater Specifications Hour 1 Recovery Continuous Rate... -
Page 3: Checklists
Users Responsibility – This manufacturer anticipates the proper installation and care in use of the product. As with any hot water system, there is a risk of property damage and personal injury inherent in the use. NTI cannot supervise the installation and therefore makes it a specific condition for the warranty that the customer will supervise the installation and use of the product to be sure they are performed in accordance with the instructions and I.O.M. - Page 4 Raised Tank - Support the entire tank bottom with ¾" plywood (min) if elevating off the floor with blocks. Code Requirements - The installation of your NTI Trin & Stor Indirect Water Heater must conform to the requirements in this manual, as well as National and local codes.
- Page 5 │ Trin & Stor Indirect Water Heaters Installation and Operation Instructions • Minerals and nutrients present in the source water and systems materials • Stagnation or low flow characteristic of dead ends in distribution piping systems and storage tanks • Scale, corrosion, and bio film •...
- Page 6 │ Trin & Stor Installation and Operation Instructions Indirect Water Heaters where water can stagnate. • Abandoned water lines should be capped off at the distribution main, not at the most convenient place. • Avoid dead-ends in piping system. If unavoidable, provide a drainage port in these areas at the lowest point to flush out stagnant water regularly.
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Page 7: Water Heater Piping
Domestic Side Piping The various series of NTI Trin & Stor indirect water heaters are dimensioned and connection ports marked in Figures 2-1 and 2-2. Dimensioned drawings are to be read in conjunction with Table 2-3, 2-4 and 2-5 which identify the connection type and port size and illustrates typical domestic water piping for a single indirect water heater. -
Page 8: Domestic Side Piping
Thermal-Well of the Trin & Stor Indirect Water Heater; the Tank Sensor provides a temperature reading of the tank to an NTI boiler, eliminating the need for a separate controller. The Tank Sensor incorporates a UL353 rated thermal cutoff switch designed to open at a temperature of 90ºC (194ºF). -
Page 9: Boiler System Piping
Boiler System Piping The NTI Trin & Stor line of high efficiency Indirect Water Heaters are intended to be heated by an external hot water boiler where hot water supplied from the boiler is connected to ports 4 and 5 on the indirect tank and circulated through an internal heat exchanger coil in the tank. - Page 10 │ Trin & Stor Installation and Operation Instructions Indirect Water Heaters Figure 2-1 Indirect Water Heater Dimensions Table 2-3 Indirect Water Heater Dimensions Dimensions (inches) Model ¾ ¾ ¾ ¾ ¾ ¼ ¼ ½ ¼ ¼ ¾ ¼ ¾ ¼ ¼...
- Page 11 │ Trin & Stor Indirect Water Heaters Installation and Operation Instructions Figure 2-2 Indirect Water Heater Dimensions Table 2-5 Indirect Water Heater Dimensions Dimensions (inches) Model S20W...
- Page 12 │ Trin & Stor Installation and Operation Instructions Indirect Water Heaters Figure 2-3 IWH Domestic Plumbing Schematic...
- Page 13 │ Trin & Stor Indirect Water Heaters Installation and Operation Instructions Figure 2-4 IWH Domestic Plumbing Schematic...
- Page 14 Figure 2-5 Wall Mounting Procedure for S20W Mounting to a Concrete Wall 1. Position the upper wall mounting bracket (NTI P/N 86938) on the concrete wall. Ensure the bracket is level. Then use the bracket as a template to mark four (4) drilling holes on the wall - two (2) on each side of the bracket (shown below).
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Page 15: Tank Sensor
The follow instructions below show how to install the tank sensor. Refer to boiler IOM for wire connections. The Tank Sensor is NOT compatible with NTI-Trinity Ti and Ts series boilers; when using a Trin & Stor Indirect Water Heater with one of these boilers, the TPI Control Thermostat, or other thermostat or aquastat must be used. - Page 16 INSERT TANK SENSOR (NTI P/N 87313) LOCATE THERMAL WELL SECURE TANK SENSOR Hook wire retainer (NTI P/N 87312) to the back of the Thermal-Well rib; pull to ensure it will not fall-out. Connect to boiler using field wiring ...
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Page 17: Start Up And Check Out
│ Trin & Stor Indirect Water Heaters Installation and Operation Instructions 4.0 START UP AND CHECK OUT Filling the Water Heater 1. Thoroughly flush the water heater so that three (3) times the tank’s volume has been drawn through it. 2. -
Page 18: Parts List
S Series Tank Sensor 87312 S20W Sensor Clip 87313 S20W Tank Sensor 87085 S20W Mixing Valve, 3/4" Union, ASSE 1017 & 1070 Trin & Stor parts available at any stocking wholesaler. Installers needing technical assistance can contact NTI directly at 1-800-688-2575. - Page 19 │ Trin & Stor Indirect Water Heaters Installation and Operation Instructions...
- Page 20 │ Trin & Stor Installation and Operation Instructions Indirect Water Heaters NTI Boilers Inc. 30 Stonegate Dr. Saint John, NB E2H 0A4 Canada Technical Assistance: 1-800-688-2575 Website: www.ntiboilers.com Fax: 1-506-432-1135...
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