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6.8 Connect duct, fresh air ventilation
In order to meet different customers’ requirements and their different usage environment, 3hp and 5hp
indoor unit reserves one fresh air ventilation hole and four duct connection holes. The fresh air can be
introduced from outside or through duct.
◇
Fresh air ventilation: In the corner of the unit there is a circular fresh air connection hole, if users want
this feature, please cut down the circular metal sheet and connect it to the duct. Fresh air replacement
hole is connected to the return air inlet of the indoor unit, when in the process of operation due to the
negative pressure, the fresh air can be introduced from outside.
◇
Connect to duct: There are four rectangular connection holes on the four sides of the unit. If users what
to connect it to the duct, please close the outlet to the side which needs connecting to the duct as well
as cut down the rectangular metal sheet.
Notes:
1.Only under special usage that it is allowed to connect to duct pipe and the length of the duct pipe should
be less than 5 meters.
2. Using the duct that can prevent frost and noise.
3. Using heat insulation material to seal the junction between duct and the unit.
Содержание ICC(ICA)-**HR-SA6-NI
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Страница 75: ...155 Introduction of Control Board QRD SW3F HCE1 outdoor unit board sockets Power supply 380V 415V ...
Страница 104: ...186 7 Failure analysis Wired controller communication failure ...
Страница 105: ...187 Communication failure between indoor and outdoor unit ...
Страница 106: ...188 Outdoor protection phase sequence ...
Страница 107: ...189 Cooling high pressure protection ...
Страница 108: ...190 Heating high pressure protection ...
Страница 109: ...191 Cooling low pressure protection ...
Страница 110: ...192 Heating low pressure protection ...
Страница 111: ...193 Cooling exhaust temperature protection ...
Страница 112: ...194 Heating exhaust temperature protection ...
Страница 113: ...195 Refrigerant shortage or four way valve failure protection ...
Страница 114: ...196 Sensor failure protection ...
Страница 115: ...197 No action after power on ...
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Страница 120: ...202 Abnormal odor ...
Страница 121: ...203 Air switch action when air conditioner starting up ...
Страница 122: ...204 Air conditioner water leakage ...