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Installation & Operating Instructions
Installation & Operating Instructions
INDIREC T WATER HEATERS
TO THE INSTALLER: This manual is the
property of the owner and must be affixed
near the water heater for future reference.
TO THE OWNER: This water heater should be
inspected annually by a qualified Service
Agency.
WARNING
WARNING
Improper installation, adjustment,
alteration, service or maintenance can
cause injury or property damage. Refer
to this manual. For assistance or addi-
tional information, consult a qualified
Installer or Service Agency.
FOR YOUR SAFETY
FOR YOUR SAFETY
Do not store or use gasoline or other
flammable vapors and liquids in the
vicinity of this or any other appliance.
Installation and service must be
performed by a qualified Installer or
Service Agency.
DIVERSIFIED
HEAT TRANSFER, INC.
1710 Flushing Avenue
Ridgewood, NY 11385
Phone: 718-386-6666 / 800-221-1522
Fax: 718-386-7809
www.dhtnet.com
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Summary of Contents for DHT Techtanium TT-40
- Page 1 Installation & Operating Instructions Installation & Operating Instructions INDIREC T WATER HEATERS TO THE INSTALLER: This manual is the property of the owner and must be affixed near the water heater for future reference. TO THE OWNER: This water heater should be inspected annually by a qualified Service Agency.
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Page 2: Table Of Contents
water heater is installed in a multi-story building, on CONTENTS CONTENTS finished flooring or carpeted surfaces. DHT CANNOT BE HELD LIABLE for damage caused by water from the water heater, pressure relief valve, or related fittings. SAFETY Closets without drains and carpeted areas are examples of unsuitable locations for any water heater. -
Page 3: Product Selection
Ratings can be improved by increasing Techtanium thermostat setting and using a mixing valve to temper the hot water to the proper temperature. When temperatures greater than 119ºF are required, use a mixing valve at the outlet of the water heater or anti-scald fittings at point of use. PERFORMANCE RATINGS TT-40 TT-40 TT-55 TT-55... - Page 4 D-RECIRCULATION(TT-79 & TT-119) E-BOILER WATER INLET(SUPPLY) F-CONTROL G-DOMESTIC COLD WATER INLET H-BOILER WATER OUTLET(RETURN) INDIREC T WATER HEATER DOMESTIC HOT WATER OUTLET INSPECTION PORT MODELS: TT-40, TT-55, TT-79 MODELTT-119 PHYSICAL SPECIFICATIONS MODEL DIAMETER VOLUME HEIGHT TO CONNECTION (inches) COIL SURFACE WEIGHT (Lbs.)
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Page 5: Installation/Piping
The Model Weight (lbs.) tank should be installed in an area with a floor drain or in a pan suitable for water heaters. TT-40 DHT will not be held liable for any damages caused by TT-55 water leakage. TT-79... - Page 6 Expansion Tank Expansion Tank IV IV INSTALLATION/PIPING (cont’d) INSTALLATION/PIPING (cont’d) When a back flow device or no return valve is installed in PIPING PIPING the system a Thermal Expansion Tank designed for use with potable water will be required. Locate the expansion tank on the domestic cold water line near the heater 2.
- Page 7 IV IV INSTALLATION/PIPING (cont’d) INSTALLATION/PIPING (cont’d) PIPING PIPING TANK INSTALLATION TANK INSTALLATION DOMESTIC HOT OUT DOMESTIC COLD IN * THERMAL EXPANSION TANK RECIRCULATION M80/M115 BOILER FEED BOILER CONTROLS BOILER RETURN MULTIPLE TANK INSTALLATION MULTIPLE TANK INSTALLATION DOMESTIC HOT DOMESTIC COLD IN * THERMAL EXPANSION TANK...
- Page 8 IV IV PIPING DIAGRAM AND INSTRUCTIONS PIPING DIAGRAM AND INSTRUCTIONS FOR USE WITH A STEAM BOILER FOR USE WITH A STEAM BOILER INSTALLATION: INSTALLATION: Install valves B and C a minimum of 6" below water line G. Keep valves as close to the boiler as possible.
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Page 9: Vwiring
WIRING WIRING the tank the set of contacts make (close) and All wiring must be done in accordance with when the temperature rises the contacts break National, State and local codes. Adhere to the (open). National Electric Code - ANSI/NFPA 70-1990 in the absence of any other codes. - Page 10 WIRING (cont’d) WIRING (cont’d) TANKLESS COIL BOILER APPLICATION - PRIORITY FIGURE 3a. Operation: Operation: When any thermostat calls for Jumper Placement: Jumper Placement: REMOVE the jumper heat, the boiler is given a signal to start. between terminals ZC and ZR. Connect The appropriate circulator is energized terminal ZC to ZC terminal on the only when the boiler temperature is above...
- Page 11 WIRING (cont’d) WIRING (cont’d) COLD START BOILER APPLICATION - PRIORITY FIGURE 3b. COLD START BOILER APPLICATION - PRIORITY FIGURE 3b. TACO SR504 & SR506 SWITCHING RELAYS THERMOSTAT TECHTANIUM TEMP CONTROL ZONE 6 PRIORITY SR 506 ZONE 1 ZONE 2ZONE 3ZONE 4ZONE 5ZONE 6 POWER SIX ZONE SWITCHING RELAY ZONE 1...
- Page 12 WIRING (cont’d) WIRING (cont’d) ZONING WITH CIRCULATORS USING R8182D AND R845A RELAY ??????????????????????????????????????????????????? ? ZONING WITH CIRCULATORS USING L8124 E-F AND R845A RELAY ????????????????????????????????????????????????????? ?
- Page 13 WIRING (cont’d) WIRING (cont’d) USING L8148A OR L8152A COLD START BOILER CONTROL WITH CIRCULATORS ??????????????????????????????????????????????????????????????? ? ? ??????????????????????????????????????????????????????????????? ?? USING L8143A OR L8152A COLD START BOILER CONTROL WITH ZONE VALVES...
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Page 14: Maintenance
MAINTENANCE MAINTENANCE Magnesium - Anti-Corrosion Anodes (No longer than every Magnesium - Anti-Corrosion Anodes (No longer than every To ensure efficient and safe operation, DHT recommends 12 months) 12 months) the servicing of the heater by a competent service techni- cian. -
Page 15: Warranty
Any claim under this warranty must be verified by an authorized Diversified Heat Transfer (also referred to as DHT) representative: if the claim is found to be valid, DHT will repair or replace the tank as set forth herein, within a reasonable time after verification. If DHT chooses in its discretion to repair any indirect-fired water heater for which there is a valid warranty claim, DHT shall provide parts that are compatible with the subject indirect-fired water heater, which parts need not be identical to the original. - Page 16 2. These warranties cannot be considered as a guarantee of workmanship of an installer connected with the installation of the Techtanium water heater, or as imposing on Diversified Heat Transfer liability of any nature for unsatisfactory performance as result of faulty workmanship in the installation or repair which liability is expressly disclaimed.
- Page 17 ation & Operating Instructions INDIREC T WATER HEATERS TO THE INSTALLER: This manual is the property of the owner and must be affixed near the water heater for future reference. TO THE OWNER: This water heater should be inspected annually by a qualified Service Agency.
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