Daikin ERAD 120E-SL, Installation, Operation And Maintenance Manual

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Test sheet
It is recommended that the following operation data are noted periodically in order to check that the machine is
functioning properly over time. These data will also be extremely useful to the technicians who will be performing routine
and/or extraordinary maintenance on the machine.
Fluid side measurements
Chilled fluid setpoint °C _________
Evaporator fluid leaving temperature °C _________
Evaporator fluid entering temperature °C _________
Evaporator fluid flow rate m
3
/h _________
Refrigerant side measurements
Compressor Load _____ %
N° of active Ventilators _____
N° of expansion valve cycles (electronic only) _____
Refrigerant/ Oils pressure Evaporating pressure _____ Bar
Condensing pressure _____ Bar
Oil pressure _____ Bar
Refrigerant temperature Saturated evaporating temperature _____ °C
Suction gas pressure _____ °C
Suction superheating _____ °C
Saturated condensating temperature _____ °C
Discharge superheating _____ °C
Liquid temperature _____ °C
Subcooling _____ °C
Electrical measurements
Analysis
of the unit’s voltage unbalance:
Phases: RS ST RT
_____ V _____ V _____ V
Unbalance %:
% _____ 100
 

AVG
AVG MAX
V
V V
Compressors current
– Phases:
R S T
Compressor #1 _____ A _____ A _____ A
Compressor #2 _____ A _____ A _____ A
Ventilators current:
#1 _____ A #2 _____ A
#3 _____ A #4 _____ A
#5 _____ A #6 _____ A
#7 _____ A #8 _____ A
AVG = average