![background image](http://html.mh-extra.com/html/aerco/1000/1000_user-manual_2861499037.webp)
Benchmark 750-3000 Boiler Operation, Service, Maintenance Guide - KOREA
SECTION 4 – MAINTENANCE
OMM-0128_0A
AERCO International, Inc.
•
100 Oritani Dr.
•
Blauvelt, NY 10913
Page
37
of
144
GF-206-K
Ph.: 800-526-0288
07/17/2017
SECTION 4:
Maintenance
4.1 MAINTENANCE SCHEDULE
All Benchmark boilers require 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 4-1. For a complete inspection check list see
ASME CSD-1 chart.
The following maintenance kits are available through your local AERCO Sales Representative:
Model
Kit P/N
Type
Components Serviced
750-3000
58025-01 12 Month
Ignitor, Flame Rod & Condensate trap
750-1000
58025-08 24-Month
Water/Fireside
58025-01 plus: Burner, LWCO, Air Filter replacement
58025-17
Same as 58025-08 except
clean
Air Filter
1500-2000
58025-13 24-Month
Water/Fireside
58025-01 plus: Burner, LWCO, Air Filter replacement
58025-19
Same as 58025-13 except
clean
Air Filter
2500-3000
58025-10 24-Month
Water/Fireside
58025-01 plus: Burner, LWCO, Air Filter replacement
58025-18
Same as 58025-10 except
clean
Air Filter
WARNING!
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
TABLE 4-1: Maintenance Schedule
SEC
ITEM
6 MOS.
12 MOS.
24 MOS.
LABOR
TIME
4.2
Igniter-Injector Kit (P/N
58023
)
*Inspect
Inspect, replace
if necessary
Replace
15 mins.
4.3
Flame Detector Kit
(P/N
24356-1
)
*Inspect
Inspect, replace
if necessary
Replace
15 mins.
4.4
Lean O
2
Sensor
(P/N
61026
)
*Inspect
Inspect
15 mins.
**
Combustion Calibration
*Check
Check
1 hr.
4.5
Testing of Safety Devices
See ASME
CSD-1 Chart
45 mins.
4.6
Burner
Inspect
2 hrs.
4.7
Condensate Drain Trap
*Inspect
Inspect, Clean &
Replace
Gaskets
Inspect, Clean
& Replace
Gaskets
30 mins.
4.8
Air Filter
Clean
Replace
15 mins.
* Only performed after initial 6 month period after initial startup.
** Combustion Calibration instructions are in Section 4.3 of OMM-0127 (GF-205-K)