User’s Information Manual
11
Part Number 550-142-801/1112
Operate boiler relief valve
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
Boiler Manual
.
The discharge line must be terminated so as to
eliminate possibility of severe burns should the
valve discharge.
1. Before proceeding, verify that the relief valve outlet has been
piped to a safe place of discharge, avoiding any possibility of
scalding from hot water.
2. Read the boiler pressure/temperature gauge to make sure the
system is pressurized.
3. Lift the relief valve top lever slightly, allowing water to relieve
through the valve and discharge piping.
4. 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.
5. If water does not flow from the valve when you lift the lever
completely, the valve or discharge line may be blocked.
Immediately shutdown the boiler, following the instructions
on the inside jacket top Operating Instructions. Call your
qualified service technician to inspect the boiler and system.
❏
Service every 6
months . . . . . . . .
Figure 9
Gauge glass
❏
Service periodically
continued
. . . . . . .
Clean gauge glass
Normal waterline on a steam boiler is halfway up gauge glass. See
Figure 9. Clean when needed.
1. Close lower gauge cock.
2. Open pet cock.
3. Open lower gauge cock and allow a small amount of water to
flush out through open pet cock.
4. Close pet cock.
5. Open lower gauge cock.
6. If gauge glass breaks, close both gauge cocks and call a quali-
fied service technician to replace gauge glass.
Do not
replace
with thin glass tubing.
Boiler pressure must be low to eliminate po-
tential of severe burns.
Oil inducer motor (CGi boilers)
1. Use only S.A.E. 20 motor oil. DO NOT use household universal
oils.
Use only S.A.E. 20 motor oil to lubricate the
inducer motor. Do not use common universal
household oils.
2. Place a few drops of oil in each of the two oiler cups on the
inducer motor.
