Haier MRV II Instruction Manual page 46

No. Parts
high
pressure
6
oil return
capillary
spraying
7
capillary
electric
8
heater
9
10
sensor
11
12
13
pipe
14
assembly
fan and
15
motor
Remark：When welding, cool the valve against being damaged
Items
the high pressure
capillary form oil
segregator is
blocked by weld
Spraying and oil
return capillary from
accumulator to
suction pipe is
blocked by weld
if it can work
normally
check sensor
position
If there is strong
vibration during
running
If the voice is normal
during running
Estimation standard
during compressor running, temp. after
oil return capillary is rather high
(higher than ambient temp.)
open SV3 to check if the capillary temp.
is going down
1. start to heat after being electrified
2. if Toil≥40ºC, close; if Toil≤35ºC ,
startup
TD discharging temp. sensor , 3-core,
red
TOIL oil temp. sensor, 2-core, black
TA ambient temp. sensor, 3-core, yellow
TS suction temp. sensor, 2-core, blue
TE defrosting temp. sensor, 2-core,
green
check if the pipe is in touch and rub each
other
check if the motor or the fan fault
- 47 -
Part 2