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Indirect-Fired Storage Water Heater
Models HWT-40, HWT-60, HWT-80
INSTALLATION AND OPERATING INSTRUCTIONS
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
damage.
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.
Page
Publication No.HWT-40
Part No. 66-4001
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Related Manuals for Slant/Fin HWT-40
Summary of Contents for Slant/Fin HWT-40
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Page 1: Table Of Contents
Indirect-Fired Storage Water Heater Models HWT-40, HWT-60, HWT-80 INSTALLATION AND OPERATING 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: • Fully insulated oven glazed titanium glass lined tank with temperature control well installed. -
Page 2: I Safety
INDIRECT FIRED WATER TANK I SAFETY Relief Valve Requirements Caution: To reduce the risk of excessive pressures and The warranty on this water heater is in effect only when the temperatures in this water heater, install temperature water heater is installed and operated in accordance with and pressure protective equipment required by local these instructions. -
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 CAPACITY (Gallons) HEAT EXCHANGER SURFACE AREA SQ.FT. - Page 4 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 MODELS: HWT-40, HWT-60, HWT-80 PHYSICAL SPECIFICATIONS HEIGHT TO CONNECTION (Inches) WEIGHT (Lbs.) COIL DIAMETER VOLUME...
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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 HWT-60 Slant/Fin will not be held liable for any damages caused by HWT-80 water leakage. - Page 6 The MODELS: HWT-40, HWT-60, HWT-80 Risk of scalding is not eliminated with the use of a valve must be piped to an area where discharge will not thermostatic mixing valve.
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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 INDIRECT FIRED WATER TANK PIPING DIAGRAM AND INSTRUCTIONS FOR USE WITH A STEAM BOILER INSTALLATION: Install valves B and C a minimum of 6" below water line G. Keep valves as close to the boiler as possible. Install boilers drains D and E as close as possible to valves B and C.
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Page 9: Wiring
INDIRECT FIRED WATER TANK WIRING The aquastat operates in much the same way as a General wiring requirements thermostat. When the temperature falls inside the tank the set Wiring must conform to National Electrical Code in U.S.A., of contacts make (close) and when the temperature rises the C.S.A. - Page 10 INDIRECT FIRED WATER TANK WIRING (cont’d) TANKLESS COIL BOILER APPLICATION - PRIORITY FIGURE 3 INDIRECT TANK TEMP CONTROL INDIRECT TANK CIRCULATOR TACO SR504 & SR506 THERMOSTAT INDIRECT TANK SWITCHING RELAYS TEMP CONTROL Operation: When any thermostat calls for heat, the Jumper Placement: REMOVE the jumper boiler is given a signal to start.
- Page 11 INDIRECT FIRED WATER TANK INDIRECT WIRING (cont’d) TANK CIRCULATOR 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.
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Page 14: Maintenance
INDIRECT FIRED WATER TANK 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
INDIRECT FIRED WATER TANK INDIRECT WATER HEATERS LIMITED WARRANTY FOR SLANT/FIN CORP. INDIRECT-FIRED WATER HEATER Your Slant/Fin indirect-fired water heater is protected by these warranties. These warranties are applicable to original residential or commercial purchasers only. THE FOLLOWING WARRANTIES ARE EXCLUSIVE AND ARE GIVEN AND ACCEPTED IN LIEU OF ANY AND ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, AND ANY OBLIGATION, LIABILITY, RIGHT, CLAIM OR REMEDY IN CONTRACT OR TORT, WHETHER OR NOT ARISING FROM SLANT/FIN CORP.’S NEGLIGENCE, ACTUAL OR IMPUTED. - Page 16 REPLACEMENT TANK - WARRANTY RESIDENTIAL OR COMMERCIAL APPLICATION For either a residential or commercial application, the following applies to both when a replacement tank is provided for a tank found to be under warranty. The replacement tank warranty assumes the remaining warranty period left from the original tank purchased. WHAT IS NOT COVERED BY EITHER OF THESE WARRANTIES These warranties are void and shall not apply under the following circumstances: 1.