Справочник Пользователя для State Industries SUF-60-120

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maintenance schedule
table 14
component
operation
interVal
reQuired
Tank
Sediment 
Removal
Semi Annually
Flushing
Tank
Lime Scale 
Removal
Semi Annually
UN-LImE®
Anode rods
inspection 
Cleaning
Annually
Clean Scale 
Deposits
T&P Valve
Test operation
Semi Annually
Test
Vent System
inspection
Annually
Termination 
Screens Clean
Reseal/Repair
draining and flushing
it is recommended that the water heater storage tank be drained 
and  flushed  every  6  months  to  reduce  sediment  buildup.  The 
water heater should be drained if being shut down during freezing 
location of the water heater components described below.
Burn harzard.
Hot water discharge.
Keep  hands   clear  of  drain
valve  discharge.
to drain the water heater storage tank:
1.  Turn off the electrical supply to the water heater.
2.  Turn off the gas supply at the main Gas Shutoff Valve if the 
water heater is going to be shut down for an extended period. 
3.  Ensure the cold water inlet valve is open.
4.  Open a nearby hot water faucet and let the water run until the 
water is no longer hot.
5.  Connect a hose to the water heater drain valve and terminate 
it to an adequate drain.
6.  Close the cold water inlet valve.
7.  Open the water heater drain valve and allow all the water to 
drain from the storage tank.
8.  Close  the  water  heater  drain  valve  when  all  water  in  the 
storage tank has drained.
9.  Close the hot water faucet opened in Step 4.
10. if the water heater is going to be shut down for an extended 
period, the drain valve should be left open.
to flush the tank perform the following steps:
1.  Turn off the electrical supply to the water heater.
2.  Ensure the cold water inlet valve is open.
3.  Open a nearby hot water faucet and let the water run until 
the water is no longer hot. Then close the hot water faucet.
4.  Connect  a  hose  to  the  drain  valve  and  terminate  it  to  an 
adequate drain.
maintenance
general
keep appliance area clear and free from combustible materials, 
gasoline and other flammable vapors and liquids. See Locating 
The Water Heater on page 12.
Water  heater  maintenance  includes  periodic  tank  flushing  and 
cleaning, and removal of lime scale. The water heater should be 
inspected and adjusted to maintain proper combustion. See initial 
Start Up on page 52. A periodic inspection of the venting system 
should be made. Where used, water circulating pump(s) should 
be oiled according to the pump manufacturers recommendations.
precautions
Do not operate the water heater if it has 
been exposed to or exhibits the following:
Flooding at or above the level of the burner or controls.
External damage.
Firing without water.
Sooting.
Do not operate the water heater until all corrective steps
have been made by a qualified service agent.
CAUTION
Never  operate  the  water  heater  without  first  being  certain  it  is 
filled  with  water  and  a  properly  sized  and  rated  Temperature-
Pressure relief Valve is installed in the relief valve opening on 
the  water  heater.  See  Temperature-Pressure  relief  Valve  on 
Explosion Hazard
Overheated water can cause
water tank explosion.
Properly sized temperature and
pressure relief valve must be
installed in the opening provided.
Should overheating occur or the gas supply fail to shut off, turn of 
the main Gas Shutoff valve. See Figure 52 on page 39.
Water  heater  maintenance  includes  periodic  tank  flushing  and 
cleaning, and removal of lime scale. The water heater should be 
inspected and adjusted to maintain proper combustion. refer to 
the following table. A periodic inspection of the venting system 
should be made. Where used, the water circulating pump should 
be oiled according to the pump manufacturer's recommendations.