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Watts AERCO Benchmark BMK5000 User Manual

Watts AERCO Benchmark BMK5000
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Benchmark with Edge [I]: Operation-Maintenance Manual
SECTION 3 - START SEQUENCE
OMM-0145_D GF-218 11/2/2020 Technical Support (800) 526-0288 Mon-Fri, 8 am - 5 pm EST Page 32 of 213
Start Sequence
1. The Controller’s red DEMAND LED status indicator will light.
2. The unit checks all five pre-purge safety switches listed at the beginning of this section. The Edge [i]
Controller’s ignition sequence screen walks you through the ignition screens and demonstrates (or
highlights) which switches are not met. SSOV locations are shown in Figure 3-1a through 3-1e.
Figure 3-1a: BMK750 & 1000 SSOV Location (P/N 22140-1 shown)
Figure 3-1b: BMK1500 & 2000 SSOV Location (P/N 22188 shown)
SSOV
TO AIR/FUEL VALVE
MANUAL
SHUT-OFF VALVE
NATURAL
GAS INLET
NATURAL
GAS INLET
LOW GAS
PRESSURE
SWITCH
HIGH GAS
PRESSURE
SWITCH
LOW GAS
PRESSURE
SWITCH
HIGH GAS
PRESSURE
SWITCH
SSOV
MANUAL
SHUT-OFF
VALVE
TO
AIR/FUEL
VALVE

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Watts AERCO Benchmark BMK5000 Specifications

General IconGeneral
BrandWatts
ModelAERCO Benchmark BMK5000
CategoryBoiler
LanguageEnglish

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