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Slant/Fin HWT-40 Installation And Operating Instructions Manual

Indirect-fired storage water heater
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Indirect-Fired Storage Water Heater
Models HWT-40, HWT-60, HWT-80, HWT-120
INST LL TION
Contents
I Safety .................................................................2
II Product Selection ..............................................3
III Performance Ratings/Specs.............................4
IV Iinstallation/Piping ........................................5-8
V Wiring ..........................................................9-13
VI Maintenance ..................................................14
VII Warranty .................................................15-16
Heater Package includes:
• Fully insulated oven glazed titanium glass lined tank
with temperature control well installed.
• Temperature control adjustable up to 145°F.
WarnIng - Hot Water can Scald!
Read all of the following important warnings to avoid
the possibility of personal injury, death, or property
WarnIng to tHe uSer:
• Keep temperature control on heater at lowest
setting which is satisfactory.
• Always adjust water temperature from taps by start-
ing with a cool mix of water and gradually bring to
warmer temperature.
• Never leave children, elderly or disadvantaged per-
sons unattended where hot water taps are located.
WarnIng to tHe InStaller and
ServIcePerSonS:
• Keep temperature control on heater at lowest setting
which is satisfactory.
• Installation of a temperature and pressure relief valve
of the proper rating for the heater tank size is
required.
• Install a tempering device, such as a mixing valve, on
hot water piping which feeds areas where high
temperature water is not demanded.
• When servicing this installation, make sure drain con-
nections are tight and drain hose is directed away from
all persons or areas where injury or damage can occur.
ND OPER TING INSTRUCTIONS
Page
Publication No.HWT-40
Part No. 66-4001

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Summary of Contents for Slant/Fin HWT-40

  • Page 1: Table Of Contents

    Indirect-Fired Storage Water Heater Models HWT-40, HWT-60, HWT-80, HWT-120 INST LL TION ND OPER TING INSTRUCTIONS Contents Page I Safety ..............2 II Product Selection ..........3 III Performance Ratings/Specs......4 IV Iinstallation/Piping ........5-8 V Wiring ............9-13 VI Maintenance ..........14 VII Warranty ..........15-16 Heater Package includes: •...

  • Page 2: I Safety

    SLANT/FIN CORP. CANNOT cannot contact any live electrical part. The discharge BE HELD LIABLE for damage caused by water from the opening must not be blocked or reduced in size under water heater, pressure relief valve, or related fittings.

  • Page 3: Product Selection

    Ratings can be improved by increasing thermostat setting and using a mixing valve to temper the hot water to the proper temperature. When temperatures greater than 119˚F are required, use a mixing valve at the outlet of the water heater or anti-scald fittings at point of use. PERFORMANCE RATINGS HWT-40 HWT-60 HWT-80 HWT-120 CAPACITY (Gallons) HEAT EXCHANGER SURFACE AREA SQ.FT.

  • Page 4: Performance Ratings/Specs

    A-TANK TOP B-TEMP. & PRESS. RELIEF VALVE INSULATION C-DOMESTIC HOT WATER OUTLET D-RECIRCULATION(HWT-80) E-BOILER WATER INLET(SUPPLY) F-CONTROL G-DOMESTIC COLD WATER INLET H-BOILER WATER OUTLET(RETURN) MODELS: HWT-40, HWT-60, HWT-80 HWT-120 PHYSICAL SPECIFICATIONS HEIGHT TO CONNECTION (Inches) WEIGHT (Lbs.) COIL DIAM. VOLUME MODEL...

  • Page 5: Iinstallation/Piping

    The tank should be installed in an area with a floor drain or in a pan Model Weight (lbs.) suitable for water heaters. HWT-40 Slant/Fin will not be held liable for any damages caused by HWT-60 water leakage. HWT-80 HWT-120 1324 The floor or area where the tank is installed must be capable of supporting the tank when filled with water.
  • Page 6 Vacuum Breaker Slant/Fin recommends that a vacuum breaker be installed on the domestic piping to the heater. The vacuum breaker protects the heater in the event that tank pressure falls b.

  • Page 7: Tank Installation

    INDIRECT FIRED WATER TANK INSTALLATION/PIPING (cont’d) PIPING TANK INSTALLATION DOMESTIC HOT OUT DOMESTIC COLD IN * THERMAL EXPANSION TANK RECIRCULATION WHT-80 BOILER FEED BOILER CONTROLS BOILER RETURN HOT WATER BOILER MULTIPLE TANK INSTALLATION DOMESTIC HOT DOMESTIC COLD IN * THERMAL EXPANSION TANK BOILER FEED...
  • Page 8 Water level STEAM BOILER NOTE: When installing the Slant/Fin Indirect Water Heater with a steam boiler, the water flow (direction) is reversed through the tank coil (heat exchanger). The boiler water enters at the bottom of the coil and exits from the top of the coil. At no time should live steam be used in the tank coil (heat exchanger).

  • Page 9: Wiring

    IMPortant note: Slant/Fin recommends the use of a priority control to help the all wire connections to “t-t” or “a-a” terminals on boil- boiler maintain desired temperature and satisfy the tank's er control must be from an isolated circuit which does BTU requirements.

  • Page 10: V Wiring

    INDIRECT FIRED WATER TANK WIRING (cont’d) TANKLESS COIL BOILER APPLICATION - PRIORITY FIGURE 3 INDIRECT TANK TEMP CONTROL INDIRECT TANK CIRCULATOR Operation: When any thermostat calls for heat, the Jumper Placement: REMOVE the jumper boiler is given a signal to start. The appropriate between terminals ZC and ZR.
  • Page 11 INDIRECT FIRED WATER TANK WIRING (cont’d) COLD START BOILER APPLICATION - PRIORITY FIGURE 4 TACO SR504 & SR506 THERMOSTAT INDIRECT TANK SWITCHING RELAYS TEMP CONTROL ZONE 6 PRIORITY ZONE 1 ZONE 2 ZONE 3 ZONE 4 ZONE 5 ZONE 6 SR 506 POWER SIX ZONE SWITCHING RELAY...
  • Page 12 INDIRECT FIRED WATER TANK WIRING (cont’d) Figure 5. Wiring to a gas boiler with circulator zoning Figure 6. Wiring to an oil boiler with circulator zoning...
  • Page 13 INDIRECT FIRED WATER TANK WIRING (cont’d) circulator zoning wiring (See Fig. 5, 6) Zone valve zoning wiring (See Fig. 7, 8) a) Components must be wired to ensure that only the a) Components must be wired to ensure that only the circulator for each zone is powered on a demand zone valve for each zone is powered on a demand for supply water from that zone.

  • Page 14: Maintenance

    MAINTENANCE Magnesium - Anti-Corrosion Anodes (No longer than every 12 months) To ensure efficient and safe operation, Slant/Fin recommends The Water Heater is provided with two magnesium anti-cor- the servicing of the heater by a competent service technician. rosion anodes, an upper and a bottom anode.

  • Page 15: Warranty

    Any claim under this warranty must be verified by an authorized Slant/Fin Corp. representative: if the claim is found to be valid, SLANT/FIN CORP. will repair or replace the tank as set forth herein, within a reasonable time after verification. If Slant/Fin Corp. chooses in its discretion to repair any indirect-fired water heater for which there is a valid warranty claim, Slant/Fin Corp.

  • Page 16: Damage

    This warranty is to be governed by and construed in accordance with the laws of the State of New York without regard to the principles of conflict of laws. SLANT/FIN CORP . RESERVES THE RIGHT TO CHANGE SPECIFICATIONS OR DISCONTINUE MODELS WITHOUT NOTICE.

This manual is also suitable for:

Hwt-120Hwt-80Hwt-60

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