01
Scheduled protectionPreventive
Scheduled inspection, cleaning and testing based on manufacturer guidance and site conditions.
INSPECT / CLEAN / VERIFY
Tivasa / Engineering Services
VRF / Maintenance
Maintenance Engineering
Engineered
for uptime.
Preventive, predictive and corrective VRF maintenance programs designed for cooling reliability, system performance and critical facilities.
Explore Programs
Engineering / System Reliability
Three disciplines.
One objective.
Detect degradation before it becomes an outage. Every intervention is planned, measured and documented.
Three maintenance approaches
02
Identify the driftPredictive
Analysis of pressures, compressor frequency, current draw, subcooling and superheat to identify developing faults.
MEASURE / ANALYZE / ANTICIPATE
03
Restore performanceCorrective
Diagnosis and repair under agreed response arrangements, with documented root-cause analysis.
DIAGNOSE / REPAIR / DOCUMENT
02 / SERVICE INTERVALSMaintenance
Maintenance
by design.
EVERY MONTH
Operational review
01
Review alarm and event logs.
02
Check operating parameters through the controller.
03
Inspect outdoor units, drains and indoor filters.
04
Verify duty/standby rotation.
SELECT SERVICE INTERVAL01 / 04
Cooling cannot
be an afterthought.
01
Concurrent maintainability
Isolate one circuit or module at a time while redundant capacity remains active.
02
Change control
Coordinate method statements, risk assessments and rollback procedures with facility operations.
03
Clean work practices
Control dust, debris and condensate near sensitive IT equipment.
04
Standby proving
Run standby equipment under load to verify readiness.
05
Critical spare parts
Plan availability of sensors, EEV coils, fan motors, PCBs and communication modules.
OPERATIONAL CONTINUITY
Measured.
Not assumed.
PERFORMANCE INDICATORS
REFERENCE FRAMEWORK01
System availability
Cooling continuity against the agreed target
02
Response & repair time
Responsiveness under the service agreement
03
Alarm frequency
Emerging faults and unstable operation
04
Run-hour balance
Distribution of wear across modules
05
Energy trends
Efficiency losses and control drift
MEASURE / COMPARE / REPORT
Every intervention.
Documented.
01
Refrigerant management
Qualified technicians use calibrated equipment and record leaks, charge adjustments and recovered quantities by circuit.
02
Water-side systems
Where applicable, inspections include water quality, strainers and flow switches.
03
Service reporting
Each visit records work performed, measurements, findings, recommendations and replaced parts.
04
Performance review
Periodic summaries identify recurring alarms, run-hour imbalances and energy trends.
06 / SERVICE AGREEMENTSReliability starts
Reliability starts
with a plan.
From scheduled preventive visits to broader service coverage with defined emergency response arrangements, remote monitoring and spare-parts provisioning.
Programs tailored to facility criticality.
ENGINEERING / MAINTENANCE
TIVASA