Gree VERSATI SERIES - Page 101

98
Air to Water Heat Pump
Service Manual- Versati Series
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Ļ
Remote air temperature sensor should be installed where space heating is mainly applied;
ļ
After the Remote air temperature sensor is installed, should be set the value form “0”to“1” at the
function code 1 in the control panel, so as to select remote air temperature to the control point.
2.3.11 Thermostat
(1). GRS-CQ6.0Pd/Na-K(I), GRS-CQ8.0Pd/Na-K(I), GRS-CQ10Pd/Na-K(I), GRS-CQ12Pd/Na-K(I), GRS-
CQ14Pd/Na-K(I), GRS-CQ16Pd/Na-K(I), GRS-CQ12Pd/Na-M(I), GRS-CQ14Pd/Na-M(I), GRS-
CQ16Pd/Na-M(I)
26
252421 22
23
X
T3
Heat N
Thermostat
Thermostat
L
(230V)
27 28
Cool Heat NCool L
(24V)
Fig .1
Thermostat
Thermostat
26
252421 22
23
X
T3
Heat N L
(230V)
27 28
Heat N L
(24V)
Fig .2
(2). GRS-CQ16Pd/Na-H(I)
28
272623 24
25
X
T3
Heat N
Thermostat
Thermostat
L
(230V)
29 30
Cool Heat NCool L
(24V)
Fig .3
Thermostat
Thermostat
28
272623 24
25
X
T3
Heat N L
(230V)
29 30
Heat N L
(24V)
Fig .4
How to Wire Thermostat
(1). Uncover the front cover of the indoor unit and open the control box.
(2). ,GHQWLI\WKHSRZHUVSHFL¿FDWLRQRIWKHWKHUPRVWDWLILWLV9¿QGWHUPLQDOEORFN;7DV12aRU
12a2WKHUZLVHLILWLV9¿QGWHUPLQDOEORFN;7DV12aRU12a
(3). If it is Heating/Cooling thermostat, please connect wire as Fig 1 or Fig 3;
(4). If it is Heating only thermostat, please connect wire as Fig 2 or Fig 4;
CAUTION!
ķ
Never use 230V AC and 24V AC Thermostat at the same time, otherwise, it will cause short-circuit and
power cut-off by circuit breaker;
ĸ
Setting temperature by Thermostat(heating or cooling) should be chosen within the setting temperature
range of the product ;
Ĺ
For other constrains, please refer to previous page where constrains about remote air temperature
sensor
ĺ
Do not connect external electric loads, Wire (L) and (N) should be used only for operation Electric type
thermostat.
Ļ
Never connect external electric loads such as valves, fan coil units, etc. If connected, PCB of the indoor
unit can be seriously damaged.
ļ
Installation of Thermostat is very similar to that of Remote air temperature sensor.