SmartPlate Installation, Operation & Maintenance Manual
CHAPTER 6
– SCHEDULED MAINTENANCE
OMM-0069_0H
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SCHEDULED MAINTENANCE
6.1 INTRODUCTION
SmartPlate Water Heaters require regular routine maintenance to keep the unit operating at
optimum efficiency. AERCO recommends that the tasks listed in Table 6-1
– Scheduled
Maintenance Action, be performed at the periodic intervals specified. Table 6-1 consists of three
columns arranged as follows:
•
Interval Column. The Interval column contains alphabetical symbols which list all of the
recommended scheduled maintenance tasks contained in this chapter. The following
interval symbols shall be used in the order of increasing intervals:
W
(Weekly),
Q
(Quarterly),
S
(Semi-Annually),
A
(annually) and
P
(periodic).
•
Maintenance Action Column. This column lists the required maintenance action which
corresponds to the interval symbol in the previous column.
•
Reference Column. This column lists the section number containing the required
procedure.
TABLE 6-1. Scheduled Maintenance Actions
Interval
Maintenance Task
Reference
W
Check Boiler Water Differential Pressure Gauge.
6.2
W
Double-Wall Only: Check plate packs for
leakage
6.3
Q
Every 3 months, check the operation of the
Over-Temp Switch in the ECS/SP Control Box
6.4
Q, S
After the first 3 months, check the operation of
the Control Valve in the Boiler Water piping.
Then, check operation every 6 months.
6.6
S
Every 6 months, check the Strainers on both the
Boiler Water and Domestic Water Piping.
6.5
A
Once each year, check the Temperature
Sensors
6.7
A
Once each year, check the operation of the
Recirculation Pump
6.8
P
Periodic cleaning of the heat exchanger may be
necessary, depending on conditions and
settings.
6.9
