Friedrich MRM12Y1J Service Manual


Installation and Maintenance
6HUYLFH0DQXDO
(YDFXDWLRQ
$OODPRXQWRIUHIULJHUDQWOHDNHG
3URFHGXUH
&RQQHFWWKHYDFXXPSXPSWRWKHFHQWHUKRVHRIFKDUJH
VHWFHQWHUKRVH
(YDFXDWLRQIRUDSSUR[LPDWHO\RQHKRXU
– Confirm that the gauge needle has moved toward -76cmHg
(vacuum of 4 mmHg or less).
&ORVHWKHYDOYH/RVLGHRQWKHFKDUJHVHWWXUQRIIWKH
YDFXXPSXPSDQGFRQ¿UPWKDWWKHJDXJHQHHGOHGRHVQRW
PRYHDSSUR[LPDWHO\PLQXWHVDIWHUWXUQLQJRIIWKHYDFXXP
SXPS
'LVFRQQHFWWKHFKDUJHKRVHIURPWKHYDFXXPSXPS
– Vacuum pump oil.
If the vacuum pump oil becomes dirty or depleted, replenish
as needed.
Lo
Open
Open
Vacuum pump
3-Way
valve
Outdoor unit
Liquid side
Indoor unit
Gas side
3-Way
valve
CLOSE
OPEN

Friedrich MRM12Y1J Specifications

General

Brand	Friedrich
Model	MRM12Y1J
Category	Air Conditioner
Language	English