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SlimFit
-
™
gas
fired water boiler
Maintenance procedures — EVERY 6 MONTHS
14
— User's Information Manual
Perform DAILY and MONTHLY procedures plus the
following additional procedures . . .
Check the boiler water and gas piping
1. Perform gas leak inspection per steps 1 through 7 of the Operating Instructions, Fig-
ure 1, page 4.
2. If gas odor or leak is detected, immediately shut down boiler following procedures in the
Operating Instructions, Figure 1, page 4. Call a qualified service technician.
3. Visually inspect for leaks around internal water piping. Also inspect external water pip-
ing, circulators, relief valve and fittings. Immediately call a qualified service technician to
repair any leaks.
Have leaks fixed at once by a qualified service technician. Failure to comply could
result in severe personal injury, death or substantial property damage.
4. Reinstall the jacket door securely after inspections.
DIRECT VENT
WARNING on page 11.
Operate the relief valve
1. Before proceeding, verify that the relief valve outlet has been piped to a safe place of dis-
charge, avoiding any possibility of scalding from hot water.
To avoid water damage or scalding due to valve operation, a metal discharge
line must be connected to relief valve outlet and run to a safe place of disposal.
This discharge line must be installed by a qualified heating installer or service
technician in accordance with the instructions in the SlimFit Boiler Manual. The
discharge line must be terminated so as to eliminate possibility of severe burns
or property damage should the valve discharge.
2. Read the boiler pressure/temperature gauge to make sure the system is pressurized. Lift the
relief valve top lever slightly, allowing water to relieve through the valve and discharge piping.
3. If water flows freely, release the lever and allow the valve to seat. Watch the end of the relief
valve discharge pipe to ensure that the valve does not weep after the line has had time to
drain. If the valve weeps, lift the seat again to attempt to clean the valve seat. If the valve
continues to weep afterwards, contact your qualified service technician to inspect the valve
and system.
4. If water does not flow from the valve when you lift the lever completely, the valve or dis-
charge line may be blocked. Immediately shut down the boiler, following the operating
instructions on page 9. Call your qualified service technician to inspect the boiler and system.
installations — The jacket door must be securely sealed. See the
Part number 550-100-088/0814
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