Gree GRS-S16/Na-M, Service Manual

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HEAT PUMP WATER HEATER (NORTHERN EUROPE) INSTALLATION
13
Note
：
(1) Turn On, Off Auxiliary Heater: It is only available for heat pump unit. Press CHECK once to enter
Check mode. Press ▲ and ▼ to change check object, press CHECK again till the present check
object becomes “17”, value “17” switches between 01/03 (auxiliary heater on) and 00/02 (auxiliary
heater off). That is 00 Off —>01 On —>00 Off, or 02 Off —>03 On —>02 Off.
(2) Check Parameter: After electrify for 20s, press QUIT then ▲ to enter parameter checking mode.
Under this mode, Auxiliary display area shows the checking object, Main display area displays the
value for the checking object. Press ▲ and ▼ to change the checking object. Press QUIT to quit
from the check mode.
3.2.2 Display View
NO. Name Function description
1 Running mode display
: heating mode
2 Temp display It shows temperature value displays at main display area.
3 Auxiliary display area
It contains 2 numbers and a comma, for showing temperature and
number of parameter at main display area. It only displays when under
Check mode and Parameter checking mode.
4 Main display area
It contains a minus, 2 numbers and 1 temperature unit, for displaying
value of temperature and parameter (temperature or time value) and error
code. When temperature value is displayed, it shows value in algorism
and temperature unit; when time is displayed, it shows algorism value but
no temperature unit (default unit is min); when it is code, it displays
specific error (refer to Malfunction Error List) but no temperature unit.