Sierra Monitor Corporation HRG015-W - Manual (Page 55)

HRX-OM-J049-A
Chapter 6 Unit Maintenance
HRG010-W HRG015-W 6.2 Inspection and Cleaning
1st edition : Aug. 2006
Rev. A: May. 2007
6-3
6.2.1 Daily inspection
Perform daily inspection of the items listed in the Table 6-2. If the check finds any
abnormal event, stop system operation and turn off the main power supply.
Request for service promptly.
Table 6-2 Daily Inspection
Inspection item Inspection method
No heavy object is placed on this unit. This unit
should not be subjected to external force.
Installation
condition Check of the condition of
unit installation
Temperature and humidity fall within the specified
range.
Fluid leak
Check of the piping
connector section No leak of facility water and circulating fluid from the
piping connector sections
Water supply
Confirm the reading on the
level indicator
The fluid level falls within the specified range.
Display check The diplsay assures sharp image and numbers.
Operation panel
Function check The lamp is ON.
Circulating fluid
temperature Confirm the reading on the
LCD screen Normal temperature should be assured for system
use.
Circulating fluid
outlet pressure
Confirm the reading on the
circulating fluid pressure
gauge
Normal pressure should be assured for system use.
Refrigerant high
pressure
Confirm the reading on the
refrigerant high pressure
gauge
Normal flow rate should be assured for system use.
Operating
condition
Operating condition check No abnormal noise, vibration, odor and smoke
Facility water
Check of facility water
condition Temperature, flow rate, and pressure fall within the
specified range.
If the above check finds any abnormal event, bring the unit to a halt and turn off
the main breaker. Make sure to perform lockout and tagout before requesting
technical service.