Check Items After Installation And Test Operation; Check Items After Installation; Test Operation And Debugging - Lennox VEP034N432US User Manual

DC Inverter Multi VRF System
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
Each part of the unit is installed securely?
Gas leakage test is taken or not?
Unit gets proper thermal insulation or not?
Drainage is smooth or not?
Is the voltage in accordance with the rated voltage
specified on the nameplate?
is the electric wiring and pipe connection installed
correctly?
Unit is securely grounded or not?
Power cord meets the required specification?
Is the air inlet/outlet blocked?
Length of refrigerant pipe and the charging amount
of refrigerant are recorded or not?
Binding pieces on compressor feet are removed or
not?

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.
Possible conditions due to improper installation
Unit may drop, shake or emit noise.
Insufficient cooling (heating) capacity.
There may be condensation and dripping.
There may be condensation and dripping.
Unit may have malfunction or components may get
damaged.
Unit may have malfunction or components may get
damaged.
Electrical leakage.
Unit may have malfunction or components may get
damaged.
Insufficient cooling (heating) capacity.
The refrigerant charging amount is not accurate.
Compressor may get damaged.
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Check