Benchmark Platinum-Edge: Operation-Service Manual
SECTION 5 – SAFETY DEVICE TESTING
OMM-0137_D • GF-211
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7/16/2019
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5.8 AIR FLOW FAULT TESTS - BLOWER PROOF & BLOCKED
INLET SWITCHES
These tests check the operation of the
Blower Proof
switch
and Blocked Inlet
switch shown in
Figure 5-6a, 5-6b and 5-6c.
5.8.1 Blower Proof Switch Test
Figure 5-6a: Blower Proof & Blocked Inlet Switch Locations – BMK 1500 – 3000
Figure 5-6b: Blower Proof & Blocked Inlet Switch Locations – BMK 750 &1000
BLOWER
PROOF
SWITCH
BLOCKED
INLET
SWITCH
SSOV
MANUAL
SHUT-OFF
VALVE
BLOWER PROOF
SWITCH
BLOCKED
INLET SWITCH
MANUAL
SHUT-OFF
VALVE