SmartPlate Installation, Operation & Maintenance Manual
CHAPTER 6 – SCHEDULED MAINTENANCE
6.2 BOILER WATER DIFFERENTIAL PRESSURE GAUGE CHECK
Once each week check the Differential Pressure Gauge on the unit’s Boiler Water Inlet as
follows:
1. Refer to Figure 6-1 and locate the Differential Pressure Gauge.
2. Check to ensure that the Gauge reading is in the Green area on the dial.
3. If the Gauge is reading in the Red area of the dial, attach a hose to the blow-down valve at
the base of the Strainer. Cycle the blow-down valve open and closed 6 times.
4. If the Gauge still reads in the Red area on the dial, you may have too much boiler water
flow through the unit, or the strainer may be clogged. If the strainer has just been cleaned,
try reducing the flow rate. Refer to Chapter 8 – Corrective Maintenance to repair or replace
the Differential Pressure Gauge.
5. If the Gauge reading is in the Green area for 3 consecutive weeks, this maintenance task
can be performed monthly, instead of weekly.
Figure 6-1. Location of Components for Scheduled Maintenance
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