575
HRV
Power Connection Denition
1. Wiring Notice-----Shut off Power Prior to Whatever Job
2. Open and Close Electrical Cabinet
■ Circuit breaker capable of shutting power off the whole system shall be installed. Please make sure that earth
connection is available.
■ A switch and fuse shall be available for every single power line.
■ Circuit or creepage breaker shall be available for whatever wiring job.
■ Make sure that ground impedance does not exceed 100 ohms. When creepage breaker is available, ground
impeder can be used to accommodate impedance over 500 ohms.
■ Power line, connection line, air switch shall be prepared by users.
■ Power line model: YZW power line; size must meet local criteria.
■ Fuse Spec: 15A.
■ Power lines of different specs shall not be connected to the same terminal. Overheating will ensue in case of
loose terminal connection.
■ Power lines of different specs shall not be connected to the same ground terminal. Protection will be impaired in
case of loose connection.
■ In case of multiple power connections, please use 2mm
2
power lines.
■ Keep certain distance between power lines and other connection cables to prevent noise.
■ For wiring method, refer to circuit diagram. Wiring notice: every cable shall be connected to its corresponding
terminal according to its unique polarity, and shall have its sign matched up with terminal sign.
■ Before opening the cabinet cover, make sure that power connections to unit components are shut off.
■ Unscrew bolts xing the cover and open the cabinet.
■ Fix power line with clamp and make sure that earth connection is available.
■ Connect control and signal lines to corresponding terminal blocks.
■ Please use shield wire as signal line.
■ Upon completing wiring job, please mount the cabinet cover in good manner.
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