Gree GRS-CQ6.0Pd/Na-K Service Manual page 32

AIR-TO-WATER HEAT PUMP
cooling mode;
This value requires frequent On and Off of the unit.
Function code 26: Setting temperature gap from target temperature of
heating operation
Setting the temperature gap from target temperature (outflow water or room air) in
heating mode;
This value requires frequent On and Off of the unit;
Function code 27: Setting temperature gap from target temperature of
sanitary heating
Set the temperature gap from target water tank temperature in sanitary heating
mode.
Target temperature
Set by user
Water tank temperature
Value of code 21
3.2.3.5 Set engineer function parameter
1) Press
enter engineer function setting mode. Icon
operation
A
A: heating by heat pump
B: heating by water heater in tank
C: no heating
D: heating by water heater in tank
Sanitary water heating
and buttons at the same time and hold on 5 seconds to
B C D
will display.
CONTROL
Value of
Code 27
28