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6 Maintenance
6.1 Precautions
Before starting work, make sure that the safety instructions in the chapter
Safety
6.2 Examine the CRS
WARNING:
Corrosion or leakage are indications that the Series CRS coalescing removal separator must
be replaced. Failure to follow these instructions could result in serious personal injury or
death and property damage.
Examine the CRS for leaks and corrosion.
6.3 Clean the coalescing medium
CAUTION:
Installation and maintenance must be performed by a qualified professional. Service should
not be performed on any component in an active hydronic system. Before attempting to
make any required adjustments, properly shut-off the water supply and water heater, drain
the lines, and allow the system to reach a safe handling temperature (below 100°F [38°C])
and zero pressure condition. Use proper safety equipment including gloves, goggles, or
similar tools to avoid contact with system fluids and common hazards. Failure to follow these
instructions could result in personal injury and property damage.
The coalescing medium must be cleaned periodically.
6.3.1 Close the isolation valve
1. Before closing the isolation valves, check the following parameters:
2. Close the isolation valves to isolate the CRS from the system.
6.3.2 Drain the fluid
1. Open the blowdown valve at the bottom of the separator to drain the contaminants.
2. Use the applicable equipment to drain the fluid.
3. Check that all the water flow from the blowdown valve has stopped.
If the water continues to flow, the system isolation valves must be repaired or replaced
before continuing.
6.3.3 Remove the coalescing medium
1. Remove the flange bolts of housing cover of coalescing medium from the bottom of the
separator.
It is applicable for series CRS separators with the removable heads.
2. Remove the coalescing medium from the series CRS separator.
6.3.4 Install the CRS
1. Clean the coalescing medium.
2. Install the coalescing medium in the series CRS separator.
3. Remove the gasket of cover head.
CRS Instruction Manual
on page 2 have been read and understood.
– The system water is allowed to reach a safe handling temperature.
– The separator to reach a zero pressure condition.
6 Maintenance
Introduction and
11
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