Leakage Detection; Check After Installation - Toyotomi TRN-2122ZR User Manual

liquid valve
gas valve
refrigerant
charging vent
nut of refrigerant
charging vent

Leakage Detection

1. With leakage detector: Check if there is leakage with leakage detector.
2. With soap water:If leakage detector is not available, please use soap water for leak-
agede tection. Apply soap water at the suspected position and keep the soapwater
for more than minutes. If there are air bubbles coming out of thisposition, there is a
leakage.

Check After Installation

• Check according to the following requirement after finishing installation.
Items to be checked
Has the unit been installed rirmly?
Have you done the refrigerant leakage
test?
Is heat insulation of pipeline suf cient?
Is water drained well?
Is the voltage of power supply according
to the voltage marked on the nameplate?
piezometer
valve cap
vacuum pump
inner hexagon
spanner
close
open
Possible malfunction
The unit may drop, shake or emit noise.
It may cause insuf cient cooling (heating)
capacity
It may cause condensation and water
dripping.
It may cause condensation and water
dripping.
It may cause malfunction or damaging
the parts.
37
GB