Lochinvar Armor X2 AWN1000 Installation & Operation Manual page 61

12
Maintenance
11. Close isolation valves on piping to isolate water heater
from system. Attach a hose to the water heater drain and
flush water heater thoroughly with clean water by using
purging valves to allow water to flow through the water
make-up line to the water heater.
12. Perform start-up and check-out procedures in the Check
Flame and Combustion - Section 10 - Startup on pages 46
and 48 of this manual.
13. Replace the access cover and restore water heater to
operation.
Table 12B Heat Exchanger Cleaning Kits
Model Kit
Number Number Number
MSC20083*
AW 1.0 - 1.5 KIT30064 MSC20085
MSC20086
* Do NOT use a metal brush. Only use
CAUTION
the kit provided brush or an equivalent
replacement nylon brush.
Figure 12-3 Rope Gasket - Heat Exchanger Door
CAUTION:
IF GASKET IS DAMAGED
DO NOT REUSE, THE HEAT EXCHANGER DOOR
MUST BE REPLACED.
Rope gasket is intended for sealing
NOTICE
combustion (FIG. 12-3). If damaged DO
NOT reuse, the heat exchanger door must
be replaced. Consult factory for replacement
heat exchanger door (kit WTR3086).
(continued)
Part Component
Description
Nylon 4" Wheel Brush*
1/4" x 12" Drill Extension
1/4" x 24" Drill Extension
ROPE GASKET
Installation & Operation Manual
61