Lennox VEP034N432US, Руководство пользователя

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DC Inverter Multi VRF System
25
Fig. 30 Engineering Wiring View of VEP042N432U , VEP048N432U , VEP060N432U ,
5 Check Items after Installation and Test Operation
5.1 Check Items after Installation
Check items Possible conditions due to improper installation Check
Each part of the unit is installed securely? Unit may drop, shake or emit noise.
Gas leakage test is taken or not? Insufficient cooling (heating) capacity.
Unit gets proper thermal insulation or not? There may be condensation and dripping.
Drainage is smooth or not? There may be condensation and dripping.
Is the voltage in accordance with the rated voltage
specified on the nameplate?
Unit may have malfunction or components may get
damaged.
is the electric wiring and pipe connection installed
correctly?
Unit may have malfunction or components may get
damaged.
Unit is securely grounded or not? Electrical leakage.
Power cord meets the required specification?
Unit may have malfunction or components may get
damaged.
Is the air inlet/outlet blocked? Insufficient cooling (heating) capacity.
Length of refrigerant pipe and the charging amount
of refrigerant are recorded or not?
The refrigerant charging amount is not accurate.
Binding pieces on compressor feet are removed or
not?
Compressor may get damaged.
5.2 Test Operation and Debugging
NOTICE:
①
After finishing the first installation or replacing the main board of outdoor unit, it is necessary
to perform test operation and debugging. Otherwise, unit won’t be able to work.
②
Test operation and debugging must be performed by professional technicians or under the
guidance of professional technicians.