Test Operation And Check After Installation - Trane MWW509IB Installation Manual

Test operation
1. Before test operation
(1) Do not switch on power before
installation is finished completely.
(2) Electric wiring must be connected
correctly and securely.
(3) Service valves of the outdoor unit
should be opened.
(4) All the impurities such as scraps
and thrums must be clear from the
unit.
(5) Open the front panel and set the
and set the munal switch to
"RUN" mode. (60Hz units only)
Check after installation
Items to be checked
Has it been fixed firmly?
Have you done the refrigerant leakage test?
Is heat insulation sufficient?
Does the unit drain well?
Is the voltage in accordance with the rated voltage
marked on the nameplate?
Is the electrical wiring and piping connection installed
correctly and securely?
Has the unit been connected to a secure earth
connection?
Is the power cord specified?
Has the inlet and outlet been covered?
Has the length of connection pipes and the refrigerant
capacity been record?
MCW - SVN13A - E4
Test Operation and
Check after Installation
2. Test operation method
(1) Switch on power and press "1/0"
button on the remote controll.
(2) Press "MODE" button and check
the operation condition of
, modes.
(3) Emergency operation.
Act as following when the remote
controller is not available.
Possible malfunction
The unit may drop, shake or emit noise.
It may cause insufficient refrigerating capacity.
It may cause condensation and dripping.
It may cause condensation and dripping.
It may cause electric mal - function or
damage the part.
It may cause electric mal - function or
damage the part.
It may cause electrical leakage.
It may cause insufficient refrigerating capacity.
The refrigerant capacity is not accurate.
(1) At stopping, push the munal
button to "AUTO" mode, then the
unit will automatic run in the mode
set by the microcomputer accor-
ding to room temperature.
, , (2) At operation, push the munal
button to "STOP" mode to turn off
the unit.
The "TEST" mode is only for testing,
do not set the switch to this mode at
normal operation.(60Hz units only)
It may cause electric mal - function or
damage the part.
CAUTION!
Situation
25