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installation can result in a risk of electrical fires, shocks and short circuits. Some states
have specific building codes that govern HVAC systems, including their wiring. Electrical
codes also apply to HVAC wiring and require electricians and builders to use wires and
devices that are compliant and
Safety instructions
we recommend to connect a proper fuse or MCB to the power input
The tightening torque do not exceed 0.4Nm,
Power cable require( Switch)：0.75mm2 to 2.5mm2wire.
Mounting position: DB
Do not make wrong connection on Bus interface, it may cause a damage to the Bus
interface
void the rain or water into module, it will damage this devices
Do not get AC220V voltage into Bus wire , it will damage all of devices in system
check the type of the valve on working voltage , make sure the input voltage is
matched with valve
Type of FAN - check the FAN type, make sure the type is AC or 0-10V .
5. Wiring
5.1 wiring diagram
The below wiring diagram must be followed strictly.
AC controller – User Manual
safe.
User Manual
SB-DN-MAC01.331
3
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