Midea RSJ-35/300RDN3-B, Техническое руководство

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2
nd
Generation ALL IN ONE Type Heat Pump Water Heater Technical Manual
(If Comp. restart frequently, which can only run within 10 min. for each start cycle, system will count
accumulated running time, when accumulated running time reaches 40min, defrosting cycle will activate 2
min. after Compressor’s next start
Conditions to inactivate defrosting cycle (when achieve any one of following conditions)
1. Defrosting time reaches 10 min;
2. T3 ≥ 15 ℃ ;
Main components’ movement when defrosting
4 - w a y v a l v e
C o m p .
f a n
E E V
P r e v i o u s o p e i n g d e g r e e
P r e v i o u s o p e n i n g d e g r e e
M a x . d e f r o s t i n g t i m e 1 0 M i n
EEV stay 480P opening degree when defrosting, 4min after defrosting EEV start regulating
2.4.5 Ambient Temperature
a) The system’s operation temperature is within -30~43
℃
and below are the operation temperature for
each mode.
b) Economy Mode: -7~43
℃
c) Hybrid Mode: -30~43
℃
d) E-heater Mode: -30~43
℃
2.4.6 Self-Protection Detection
a) When the self-protection happens, the system will be stopped and start self-check, and restart when the
protection resolved;
b) When the self-protection happens, the buzzer will buzz in every other minute, the Warning indicator
glitter and the display indicate the error code and water temperature alternatively. Press CANCEL
button for 3sec to stop the alarm. All stop when he protection is resolved and error code disappears on
the display.
c) In the following circumstances, self-protection starts:
Air inlet or outlet is obstacles;
The heat exchanger is covered with too much dust;
Incorrect power supply (exceeding the range of 220±10%)
NOTE: When self-protection happens, cut the power supply manually and restart after the error resolved.
2.4.7 Water Temperature Display
a) The temperature on the display is the water temperature in upper part of water tank (over 1/4) which you
will use, but not that of all the water.
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