Daikin RXYQ96PYDN, Руководство по обслуживанию

Страница: 235 / 567

Test Operation SiUS34-801A_b
220 VRVIII R-410A Heat Recovery 60Hz
10.2.1 Check Work Prior to Turn Power Supply On
Check on refrigerant piping /
ins
u lation materials
Check airtight test and v ac uu m
drying.
Terminal
Dryer
(3500 BTU/h)
Check the b elo w items.
2
Po w er w iring
2
Control transmission w iring
b et w een u nits
2
Gro u nd w ire
Is the w iring performed as specified?
Is the designated w ire u sed?
Is the w iring scre w of w iring not loose?
Is the gro u nding w ork completed?
Is the ins u lation of the main po w er s u pply circ u it deteriorated?
Use a 500 V megger tester to meas u re the ins u lation. (*1)
2
Do not u se a megger tester for 200-240 circ u its.
*1:Meas u re to b e taken against decreased ins u lation resistance in
the compressor
If the compressor is left to stand for
an extended period of time after the
refrigerant charge
w ith the stop v al v e
open and the po w er s u pply OFF, the
refrigerant may b e mixed in the
compressor, th u s decreasing the
ins u lation resistance.
Heat the compressor as sho w n on
the right and then recheck the
ins
u lation.
Is the pipe size correct?
Are the design press u res for the li qu id pipe, s u ction pipe, d u al
press u re gas pipe, and press u re e qu alizer pipe (in case of m u lti
u nits) all not less than 5 8 0psi?
Is the pipe ins u lation material installed sec u rely?
Li qu id, s u ction, and high & lo w press u re gas pipes need to b e
ins u lated. (Other w ise ca u ses w ater leak.)
Ha v e the airtight test and the v ac uu m drying b een cond u cted
according to the proced u re in the Installation Man u al?