Friedrich MRM09Y1J, Service & Parts Manual

Page: 61 / 135

61 PB
INSTALLATION
Checklist and Operation Test
Check Unit following Installation
No. Items to be checked Possible malfunction
1
Has the unit been
installed firmly?
2
The unit may drop, shake or
emit noise.
Have you done the
refrigerant leakage test?
3
It may cause insufficient cooling
(heating) capacity.
Is heat insulation of
pipeline sufficient?
4
It may cause condensation and
water dripping.
Is water drained well?
5
It may cause condensation and
water dripping.
6
It may cause malfunction or
damage the parts.
Is the voltage of power
supply according to the
voltage marked on the
nameplate?
7
Is electric wiring and
pipeline installed
correctly?
It may cause malfunction or
damage the parts.
It may cause electric leakage.
Is the unit grounded
securely?
8
Does the power cord
follow the specification?
9
It may cause malfunction or
damage the parts.
Is there any obstruction
in air inlet and air outlet?
10
It may cause insufficient cooling
(heating).
11
It may cause malfunction or
damaging the parts.
The dust and
sundries caused
during installation are
removed?
The gas valve and liquid
valve of connection pipe
are open completely?
It may cause insufficient cooling
(heating) capacity.
Test Operation
1. Preparation of Test Operation
The client approves the air conditioner installation.
Specify the important notes for air conditioner to the client.
2, Method of test operation
Turn on the power, press ON/OFF button on the remote controller to start operation.
Press MODE button to select AUTO, COOL, DRY, FAN and HEAT to check whether the operation is normal or
not.
If the ambient temperature is lower than 60.8°F, the air conditioner can’t start cooling.