Chapter 7 - MAINTENANCE INFORMATION
RC GROUP S.p.A I_TRP_0909_GB
43
7.3 TABLE OF GENERAL MAINTENANCE JOBS
INTERVAL
JOBS TO BE EFFECTED
Every day
Begin of
season.
Every 500h
or 2 months
Begin of
season.
Every 1000h
or 3 months
Expert Operator
Checking of any alarms (see § 6.7)
z
External visual checking for any leak
z
Checking of the water temperature at the outlet
(see § 6.3)
z
Checking of the hydraulic circuits’ filters
(see diagrams § 4.6 and 4.7)
z
(1)
Checking of pressure vessels (see § 7.5)
z
Speci
alized Enginee
r
Checking of the water flow and cleaning of
exchangers (see § 7.6)
z
Checking for any leak in the refrigerating circuit
z
Checking of contactors
z
Checking of the electrical connections’ tightening
z
Checking of the noise produced by fans’ bearings
z
Checking of the refrigerating circuits’ working parameters.
In every circuit check:
- the condensation pressure, comparing it with the
data of the heat source used (water temperature)
- the evaporation pressure, comparing it with the
data of the heat source (water temperature)
z
-
the suction temperature
-
the manometric suction temperature
-
the discharge temperature
-
the manometric discharge temperature
-
the liquid temperature
z
-
overheating
-
undercooling
z
-
the line voltage on the three phases
-
the ground insulation
-
the absorbed current (100% and in partial load
operation)
z
-
the hours of operation
-
the number of start-ups
z
(1) Every 50 hours during the first month of operation.