Operating instructions

ManualsBrandsWhirlpool ManualsWater boilerIndirect-Fired Water Heater

WARNING TO THE USER:

• K

eep 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 - HOT WATER CAN SCALD!

Read all of the following important warnings to avoid

the possibility of personal injur

y, death, or property

damage.

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.

Contents Page

I Safety .................................................................2

II Product Selection ..............................................3

III Performance Ratings/Specs.............................4

IV Iinstallation/Piping ........................................5-8

V Wir

ing ..........................................................9-13

VI Maintenance ..................................................14

VII Warranty .................................................15-16

Indirect-Fired Storage Water Heater

Models HWT-40, HWT-60, HWT-80

INSTALLATION AND OPERATING INSTRUCTIONS

Publication No.HWT-40

Part No. 66-4001

Heater Package includes:

• Fully insulated oven glazed titanium glass lined tank

with temper

ature control well installed.

• Temperature control adjustable up to 145°F.

Summary of content (16 pages)

PAGE 1
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 ..............................
PAGE 2
INDIRECT FIRED WATER TANK 2 I SAFETY The warranty on this water heater is in effect only when the water heater is installed and operated in accordance with these instructions. The manufacturer of this water heater will not be liable for any injury or property damage resulting from failure to comply with these instructions. WARNING! This water heater must be installed strictly in accordance with the instructions enclosed, and local electrical, fuel and building codes.
PAGE 3
INDIRECT FIRED WATER TANK II 3 PRODUCT SELECTION / PERFORMANCE 1. The following guidelines apply to residential systems only. For commercial or institutional installations contact the factory directly for assistance. 2. Determine the quantity of domestic hot water required. Factors to consider: a. Estimate typical peak hour demand. Determine the general time of day (morning, noon, evening) when the most hot water is used. Use chart below to determine potential maximum usage.
PAGE 4
BURN INDIRECT FIRED WATER TANK 4 III TANK SPECIFICATIONS KEY TANK JACKET A-TANK TOP B-TEMP. & PRESS.
PAGE 5
INDIRECT FIRED WATER TANK IV 5 INSTALLATION/PIPING The Location of the heater. Locate the heater so that there is easy access to the control, piping, valves, drain and heater for future servicing and maintenance. The heater is to be kept in an area where it is not exposed to freezing temperatures. Read the Installation and Operating Instructions manual thoroughly. Follow recommended piping and wiring diagrams. Upon completing installation, fill the tank with water.
PAGE 6
A A B C-DOMESTIC HOT WATER OUTLET D-RECIRCULATION(HWT-80) D-RECIRCULATION(HWT-80) E-BOILER WATER INLET(SUPPLY) E-BOILER WATER INLET(SUPPLY) F-CONTROL G-DOMESTIC 6 F-CONTROLCOLD WATER INLET G-DOMESTIC COLD WATER INLET H-BOILER WATER OUTLET(RETURN) H-BOILER WATER OUTLET(RETURN) IV INSTALLATION/PIPING (cont’d) INDIRECT FIRED WATER TANK Expansion Tank When a back flow device or no return valve is installed in the system a Thermal Expansion Tank designed for use with potable water will be required.
PAGE 7
INDIRECT FIRED WATER TANK IV 7 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 OUT DOMESTIC COLD IN * THERMAL EXPANSION TANK BOILER FEED BOILER CONTROLS BOILER RETURN HOT WATER BOILER TANK CONTROL TEMP & PRESSURE RELIEF VALVE BALL VALVE CIRCULATOR ZONE VALVE/ CHECK VALVE DRAIN VALVE Notes: Thermal Exp
PAGE 8
INDIRECT FIRED WATER TANK 8 IV 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. FILL AND PURGE: Close valves B and C. Attach a hose from an independent water source to boiler drain E. Attach a hose to boiler drain D leaving open end of hose in an empty bucket or basin.
PAGE 9
INDIRECT FIRED WATER TANK V 9 WIRING General wiring requirements Wiring must conform to National Electrical Code in U.S.A., C.S.A. C22.1 Canadian Electrical Code Part 1 in Canada, and any other national, provincial, state, or local code requirements having jurisdiction. All line voltage wiring must be a minimum 18 gage. A separate service switch for the water heater electrical circuit is recommended. This switch must not turn off the boiler or other components in the heating system.
PAGE 10
INDIRECT FIRED WATER TANK 10 V 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 T Placement: REMOVE Jumper the jumper Operation: When any thermostat calls for heat, the between terminals ZC and ZR. Connect terminal boiler is given a signal to start. The appropriate circulator is energized only when the boiler temperZC to ZC terminal on the aquastat control.
PAGE 11
INDIRECT FIRED WATER TANK V 11 INDIRECT TANK CIRCULATOR WIRING (cont’d) COLD START BOILER APPLICATION - PRIORITY FIGURE 4 TACO SR504 & SR506 SWITCHING RELAYS THERMOSTAT INDIRECT TANK TEMP CONTROL T ZONE 6 PRIORITY ON ZONE 1 ZONE 2 ZONE 3 ZONE 4 ZONE 5 ZONE 6 OFF SIX ZONE SWITCHING RELAY WITH OPTIONAL PRIORITY SR 506 120 V RELAY 24 VAC POWER X X END SWITCH ZC ZR POWER ZONE 1 ZONE 2 ZONE 3 ZONE 4 ZONE 5 ZONE 6 ZONE 1 ZONE 2 ZONE 3 ZONE 4 ZONE 5 ZONE 6 POWER INPUT 120 VOLT CIRCULATORS FUSE 1 AMP
PAGE 12
INDIRECT FIRED WATER TANK 12 V WIRING (cont’d) Figure 5. Wiring to a gas boiler with circulator zoning Figure 6.
PAGE 13
INDIRECT FIRED WATER TANK V 13 WIRING (cont’d) Circulator zoning wiring (See Fig. 5, 6) a) Components must be wired to ensure that only the circulator for each zone is powered on a demand for supply water from that zone. b) Multi-zone switching relays are available as an alternative to individual zone relays to simplify the wiring and provide priority on domestic hot water demand. Figure 7. Wiring to a gas boiler with zone valves. Figure 8. Wiring to an oil boiler with zone valves.
PAGE 14
INDIRECT FIRED WATER TANK 14 VI MAINTENANCE To ensure efficient and safe operation, Slant/Fin recommends the servicing of the heater by a competent service technician. Lime or Sediment Buildup (Every 6 months) To reduce the buildup of lime or sediment it is recommended that the tank be flushed every six months. 1. Drain the tank through the drain valve at the bottom of the tank until the water is clear. 2. Inspect the tank for any deposits of lime or sediment. 3.
PAGE 15
INDIRECT FIRED WATER TANK 15 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.
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.