York ERJC 36 Installation Instructions Manual page 13

Installation Instructions
Diameter
Φ15.9
Φ12.7
Φ9.52
Φ6.35
Total
c. Items to be checked after the Installation
Items to be Checked
Has each part and component the of unit
installed securely?
Has the gas leakage test been taken?
Is the thermal insulation sufficient?
Does the drainage go well?
Is the actual power voltage in line with
the value marked on the nameplate?
Are the wiring and the piping correct?
Has the unit been earthed reliably?
Does the wire meet the regulated
requirement?
Is there any obstacle at the air inlet/outlet
of the indoor/outdoor unit?
Have the length of the refrigerant pipe
and the refrigerant charge been recorded?
d. Trial Running
1) Check before the Trial Running
C heck if the appearance of the unit and the piping system are damaged during the transportation.
① .
C heck if the wiring terminals of the electronic component are secure.
② .
C heck if the rotation direction of the fan motor is right.
③ .
C heck if all valves in the system are fully opened.
④ .
2) Trial Running
T he trial running should be carried out by the professionally skilled personnel on the premise that all
① .
items listed above are in normal conditions.
L et the unit energized and switch the wired controller or the remoter controller to "ON".
② .
T he fan motor and compressor of the outdoor unit will run automatically in one minute.
③ .
I f there is some unusual sound after the compressor is started, turn off the unit for an immediate
④ .
check.
Table 11 Refrigerant Pipe
Total Length(m)
Table 12
The unit may fall off, vibrate or generate
noise.
The cooling (heating) capacity may be
poor.
Dews and water drops may be generated.
Dews and water drops may be generated.
The unit may break down or some
components may be burnt out.
The unit may break down or some
components may be burnt out.
There may be a danger of electric shock.
The unit may break down or the
component may be burnt out.
The cooling (heating) capacity may be
poor
It may be hard to know the exact
refrigerant charge.
10
Additional Refrigerant Charge(kg)
Possible Errors
by johnson controls
Check Results
13