Watts Aerco Benchmark Series User Manual

Benchmark Platinum-Edge: Operation-Service Manual
SECTION 5 – SAFETY DEVICE TESTING
OMM-0137_D • GF-211 • 7/16/2019 Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST Page 72 of 146
Purge Switch Open During Purge Check Instructions
Figure 5-11c: Air/Fuel Purge and Ignition Locations – BMK 5000 & 6000
5.11 IGNITION SWITCH OPEN DURING IGNITION
The Ignition switch (and the Purge switch) is located on the Air/Fuel Valve. To check the
switch, proceed as follows:
Ignition Switch Open During Ignition Check Instructions
1. Set the Controller’s Enable/Disable switch switch to Disable.
2. Go to Main Menu

Diagnostics Manual Run and then put the unit in Manual Mode.
3. Set the valve position between 25% and 30% using the + (Plus) and – (Minus) controls.
4. Remove the Air/Fuel Valve cover (Figure 5-10, above) by rotating the cover
counterclockwise.
5. Remove one of the two wires (#169 or #170) from the Ignition switch (see Figure 5-11a –
5-11c, above).
6. Set the Controller’s Enable/Disable switch to Enable to start the unit.
7. The unit should begin its start sequence and then shut down and display Ign Switch Open
During Ignition.
8. Replace the wire on the Ignition switch and press the CLEAR button. The unit should
restart.
5.12 SAFETY PRESSURE RELIEF VALVE TEST
Test the safety Pressure Relief Valve in accordance with ASME Boiler and Pressure Vessel
Code, Section VI.
PURGE
POSITION
SWITCH
IGNITION
POSITION
SWITCH
DIAL
AIR IN
TO BLOWER

Watts Aerco Benchmark Series Specifications

General

Brand	Watts
Model	Aerco Benchmark Series
Category	Boiler
Language	English