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INDIRECT FIRED WATER TANK

IV 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 main-

tenance. The heater is to be kept in an area where it is not

exposed to freezing temperatures.

Also, the heater must be located in an area where a leak

(eg. from the piping or fittings, from any temperature and

relief valve discharge, or from the tank itself), will not cause

personal harm or damage the surrounding area. The tank

should be installed in an area with a floor drain or in a pan

suitable for water heaters.

Slant/Fin will not be held liable for any damages caused by

water leakage.

The floor or area where the tank is installed must be

capable of supporting the tank when filled with water.

(Refer to Table at right.)

Read the Installation and Operating Instructions manual

thoroughly. Follow recommended piping and wiring diagrams.

Upon completing installation, fill the tank with water. While

filling it leave a hot water faucet open until a steady stream of

water is flowing. Then, shut the faucet and check for any leaks

thoughout the entire system.

Model

Weight (lbs.)

HWT-40

HWT-60

HWT-80

HWT-120

449

576

737

1324

TANK WEIGHT WHEN FILLED

FOR YOUR SAFETY

: Do not store or use gasoline or other flammable vapors or liquids in the vicinity of this or any other appliance.

Controls on this appliance could ignite vapors causing an explosion

PIPING

1. General

a. All plumbing must be in accordance with

the requirements of the authority having

jurisdiction.

b. Use both thread tape and pipe dope on all

mechanical connections.

c. Zone valve (if used) and circulator must be

sized to provide minimum flow rate specified

in the table to the right, Flow Specifications.

Use 1 inch nominal copper tubing between

boiler and heat exchanger. See the tables on

Friction Loss. Point of emphasis: using a

zone valve without a full bore may cause

high pressure drop which will adversely

affect performance. Use extreme care when

selecting zone valve.

d. All piping must be adequately supported.

e. Allow for thermal expansion.

f. Dielectric Unions (recommended)-used to

electrically isolate the tank from the connect-

ed domestic water piping. This helps to min-

imize the possiblity of corrosion

damage.

Model No.

Recommended

Flow Rate

Heat Exch.Pressure

Drop (Ft. Hd.)

Domestic Water

Connection Sizes

HWT-40

HWT-60

HWT-80

HWT-120

10 GPM

14 GPM

2.3

3/4"

1" MPT

Tubing Type

Flow Rate (gpm)

10 gpm

15 gpm

Type K

Type L

Type M

3.1 psi

2.7 psi

2.3 psi

6.5 psi

5.7 psi

4.7 psi

Fitting

Wrought

Cast

90º Elbow
45º Elbow

Tee, Run

Tee, Branch

90º Bend

180º Bend

Gate Valve

1/2

Flow Specifications

Friction Loss 100 Feet of Tubing (psi)

Friction Loss Allowance for Copper Fittings

(feet of straight tubing

)

Notes: All fittings are female NPT thread connections

Содержание HWT-120

Страница 1: ...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 Sele...

Страница 2: ...he drain pan to a properly operating floor drain Relief Valve Requirements Caution To reduce the risk of excessive pressures and temperatures in this water heater install temperature and pressure protective equipment required by local codes It should be no less than a combination temperature and pressure relief valve certified by a nationally recognized testing laboratory that maintains periodic i...

Страница 3: ...otential maximum usage Estimate of Peak Domestic Hot Water Usage Shower 20 x______________________ x_______________________ Bath 20 x______________________ x_______________________ Shaving 2 x______________________ x_______________________ Hands and Face Washing 4 x______________________ x_______________________ Hair Shampoo 4 x______________________ x_______________________ Hand Dish Washing 4 x_...

Страница 4: ...35 54 5 8 42 20 20 40 1 4 33 7 8 10 7 16 10 7 16 10 7 8 13 8 7 8 8 7 8 10 1 4 8 7 8 14 14 26 26 116 118 232 333 124 143 243 355 449 576 737 1324 PHYSICAL SPECIFICATIONS CONNECTIONS NOTES 1 All fittings are female NPT thread connections except for domestic hot and cold on the HWT 120 2 HWT 120 supplied with adapter to increase from 1 male to 1 1 4 female for domestic hot and cold 3 HWT 120 has insp...

Страница 5: ...the vicinity of this or any other appliance Controls on this appliance could ignite vapors causing an explosion PIPING 1 General a All plumbing must be in accordance with the requirements of the authority having jurisdiction b Use both thread tape and pipe dope on all mechanical connections c Zone valve if used and circulator must be sized to provide minimum flow rate specified in the table to the...

Страница 6: ...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 below atmospheric pressure Temperature Pressure Relief Valve T P A T P is required on all heaters Install a T P valve long element type into the separate tapping designated for the T P Install temperature and pressure prot...

Страница 7: ...K CONTROL TEMP PRESSURE RELIEF VALVE BALL VALVE CIRCULATOR ZONE VALVE CHECK VALVE DRAIN VALVE HOT WATER BOILER HOT WATER BOILER MULTIPLE TANK INSTALLATION IV INSTALLATION PIPING cont d PIPING TANK INSTALLATION Notes Thermal Expansion Tank is required whenever a backflow preventer or no return valve is present in the system Locate the Thermal Expansion Tank on the Domestic Cold water line between t...

Страница 8: ... and C and observe boiler water level at the gauge glass making sure that it remains at its original level Fill the potable water side of the tank and purge air from tank by opening a hot water faucet When the power is switched on the tank aquastat will turn on pump F and when the temperature of the boiler falls below the set point the boiler will fire A A B C E D F G I H Water level STEAM BOILER ...

Страница 9: ...n much the same way as a thermostat When the temperature falls inside the tank the set of contacts make close and when the temperature rises the contacts break open The aquastat should be tied into the boiler system and controls When the tank calls for heat the aquastat contacts close and signal the boiler controls allowing the boiler to maintain temperature and proper operation of the tank circul...

Страница 10: ...zone 6 is switched to the priority setting and is actuated all other zones will stop operation until zone 6 is satisfied When zone 6 is not switched to priority all zones will oper ate independently Jumper Placement REMOVE the jumper between terminals ZC and ZR Connect terminal ZC to ZC terminal on the aquastat control Connect terminal ZR to ZR terminal on the aquastat control Confirm polarity is ...

Страница 11: ...EMP CONTROL I INDIRECT TANK CIRCULATOR Operation When any thermostat calls for heat the appropriate circulator is energized and the isolated end switch X and X will start the boiler Priority Operation When zone 6 is switched to the priority setting and is actuated all other zones will stop operation until zone 6 is satisfied When zone 6 is not switched to priority all zones will oper ate independe...

Страница 12: ...12 INDIRECT FIRED WATER TANK V WIRING cont d Figure 5 Wiring to a gas boiler with circulator zoning Figure 6 Wiring to an oil boiler with circulator zoning ...

Страница 13: ...to simplify the wiring and provide priority on domestic hot water demand Zone valve zoning wiring See Fig 7 8 a Components must be wired to ensure that only the zone valve for each zone is powered on a demand for supply water from zone and that the circulator is powered on a demand from any zone b The transformer used to power the zone valves must be sized for the load of all the zone valves in sy...

Страница 14: ...ve 3 Open the household hot water taps 4 Attach a hose to the drain valve located at the bottom of the heater and allow the heater to drain 5 Unscrew the anodes Two shiny 1 1 4 Hex Heads on front of tank EXAMINE THE ANODES AND REPLACE IF THE DIAME TER IS LESS THAN 40 inches 6 Replacement of the Anodes The use or P T F E tape is recommended to ensure watertight connection of the anodes Failure to i...

Страница 15: ...ater having a defect or malfunction that results in a water leak from the outside jacket inner tank or heat exchanger as a result of normal use and service It is expressly agreed between Slant Fin Corp and the original residential purchaser that repair or replacement is the exclusive and sole remedy of the original purchaser Any claim under this warranty must be verified by an authorized Slant Fin...

Страница 16: ...tion or defects and maintenance in the ordinary course 13 Components of an indirect fired water heater which are not manufactured expressly for Slant Fin Corp such components are subject only to those warranties if any given by their manufacturers Slant Fin Corp does not adopt and has no responsibility for those warranties 14 Any tank that does not have installed a new temperature and pressure rel...

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Slant/Fin HWT-120, Инструкция по установке и эксплуатации

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