T-M50 / T-M50 ASME Service Manual
Ver. 1.05
80
CONFIDENTIAL
12-23. Draining the unit and cleaning the inlet water filter
1.
Close the manual gas shut off valve.
2.
Turn off power to the T-M50, wait a few seconds. And then turn on again.
3.
Wait 30 seconds for water valves starts to completely open.
Then turn off power to the T-M50, yet again.
4.
Close the water shut-off valve.
5. Open all hot water taps in the house. When the all
water flow has ceased, close all hot water taps.
6.
Have a bucket or pan to catch the water from the drain
plugs of the T-M50. Unscrew the drain plugs to drain all
the water out of the T-M50.
7. Wait a few minutes to ensure all water has completely
drained from unit.
8. Clean the filter: Inspect the water filter located within
the cold inlet. With a tiny brush, clean the water filter
of any debris which may have accumulated and
reinsert the filter back into the cold water inlet.
9. Securely screw the drain plugs back into place. Hand-
tighten only.
Pressure
Relief
Valve
Gas
Cold inlet
Hot out
