Chapter 7. Maintenance; Maintenance Schedule - Watts Aerco BENCHMARK 750 User Manual

Benchmark 750 – 1000 Boiler User Manual - INTERNATIONAL

7.1 MAINTENANCE SCHEDULE

The unit requires regular routine maintenance to keep up efficiency and reliability. For best
operation and life of the unit, the following routine maintenance procedures should be performed
in the time periods specified in Table 7-1. For a complete inspection check list see ASME CSD-
1 chart.
In order to perform the maintenance tasks specified in Table 7-1, the following maintenance kits
are available through your local AERCO Sales Representative:
•
12 Month Maintenance Kit, P/N 58025-01
•
24-Month Waterside/Fireside Inspection Kit, P/N 58025-08 (See NOTE below)
The 24-Month Waterside/Fireside Inspection Kit also includes the items
contained in the Annual Maintenance Kit (P/N 58025-01). Therefore, only
Kit P/N 58025-08 is required when performing the waterside/fireside
inspections. Refer to Appendix K for recommended spare parts.
To avoid personal injury, prior to servicing ensure that the
following guidelines are strictly observed:
• Disconnect the AC power supply by turning off the service
switch and ac supply circuit breaker.
• Shut off the gas supply at the manual shut-off valve provided
with the unit
• Allow the unit to cool to a safe water temperature to prevent
burning or scalding
Section Item
Igniter-Injector Kit
7.2
(P/N 58023)
Flame Detector Kit
7.3
(
P/N 24356-1)
Lean O
2
7.4
(
P/N 61026
Combustion
4.3
Calibration
Testing of Safety
7.5
Devices
7.6 Burner
Condensate Drain
7.7
Trap
7.8 Air Filter (
P/N 59139
* Only performed after initial 6 month period after initial startup.
OMM-0119_0A
GF-130-I
CHAPTER 7 – MAINTENANCE
CHAPTER 7.
NOTE
--WARNING! -
Table 7-1: Maintenance Schedule
6 Mos.
*Inspect
*Inspect
Sensor
*Inspect
)
*Check
*Inspect
)
AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913
Ph.: 800-526-0288
MAINTENANCE
12 Mos.
Inspect
Inspect
Inspect
Check
See ASME
CSD-1 Chart
Inspect, Clean & Inspect, Clean &
Replace Gaskets Replace Gaskets
Clean
Labor
24 Mos.
Time
Replace 15 mins.
Replace 15 mins.
15 mins.
1 hr.
45 mins.
Inspect 2 hrs.
30 mins.
Replace 15 mins.
Page 85 of 170
11/03/2016