34
Unit Operation
When the system is unloaded, if the water outlet temperature is lower than or equal to 6
℃
, one
compressor will be shut down; if the water outlet temperature is lower than or equal to 5.5
℃
,
two compressors will be shut down; if the water outlet temperature is lower than or equal to 5
℃
,
three compressors will be shut down; if the water outlet temperature is lower than or equal to 4.5
℃
, four compressors will be shut down.
Single system
When the system is started, the water pump operates immediately. Two minutes later, the water
pump continues to operate. If the water outlet temperature is higher than or equal to 8
℃
, one
compressor will be allowed to be started; if the water outlet temperature is higher than or equal
to 10
℃
, two compressors will be allowed to be started.
When the system is unloaded in the Heating mode, if the water outlet temperature is lower than
or equal to 6
℃
, one compressor will be shut down; if the water outlet temperature is lower than
or equal to 5.5
℃
, two compressors will be shut down.
Heating mode:
Dual system
When the system is started, the water pump operates immediately. Two minutes later, the water
pump continues to operate. If the water outlet temperature is lower than or equal to 44
℃
,
one compressor will be allowed to be started; if the water outlet temperature is lower than or
equal to 43
℃
, two compressors will be allowed to be started; if the water outlet temperature is
lower than or equal to 42
℃
, three compressors will be allowed to be started; if the water outlet
temperature is lower than or equal to 41
℃
, four compressors will be allowed to be started.
Unless the unit is shut down, the water pump will keep running.
When the system is unloaded, if the water outlet temperature is higher than or equal to 46
℃
,
one compressor will be shut down; if the water outlet temperature is higher than or equal to 46.5
℃
, two compressors will be shut down; if the water outlet temperature is higher than or equal
to 47
℃
, three compressors will be shut down; if the water outlet temperature is higher than or
equal to 47.5
℃
, four compressors will be shut down.
Single system
When the system is started, the water pump operates immediately. Two minutes later, the water
pump continues to operate. If the water outlet temperature is lower than or equal to 44
℃
, one
compressor will be allowed to be started; if the water outlet temperature is lower than or equal
to 42
℃
, two compressors will be allowed to be started.
When the system is unloaded in the Heating mode, if the water outlet temperature is higher than
or equal to 46
℃
, one compressor will be shut down; if the water outlet temperature is higher
than or equal to 46.5
℃
, two compressors will be shut down.
Table 3. Operation Range of Ambient Temperature
Cooling mode 15
℃
~ 48
℃
Heating mode -15
℃
~ 25
℃
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