ϳϮ^ĞŶƐŽƌůĂŵƉ;ŽƉƟŽŶĂůͿ
dŚĞŝŶǀĞƌƚĞƌŚĂƐŝŶƚĞŐƌĂƚĞĚĞdžƉŽƌƚůŝŵŝƚĂƟŽŶĨƵŶĐƟŽŶdŚĞĨƵŶĐƟŽŶŝƐƚŽĂĚũƵƐƚƚŚĞŽƵƚƉƵƚŽĨ
inverter quickly according to the power of the user and solar panels, prevent the output of the
ŝŶǀĞƌƚĞƌĨƌŽŵďĞŝŶŐĨĞĚƚŽƚŚĞƉŽǁĞƌŐƌŝĚdŚŝƐůŝŵŝƚĞƌĨƵŶĐƟŽŶŝƐŽƉƟŽŶĂů/ĨLJŽƵďƵLJƚŚĞ
inverter with limiter, a current sensor will be included in the package which is necessary for
ůŝŵŝƚĞƌĨƵŶĐƟŽŶ
Meter Power:
20W
tŚĞŶLJŽƵĂƌĞƌĞĂĚŝŶŐƚŚŝƐǁĞďĞůŝĞǀĞƚŚĂƚLJŽƵŚĂǀĞĐŽŵƉůĞƚĞĚƚŚĞĐŽŶŶĞĐƟŽŶĂĐĐŽƌĚŝŶŐ
ƚŽƚŚĞƌĞƋƵŝƌĞŵĞŶƚƐŽĨĐŚĂƉƚĞƌϱŝĨLJŽƵŚĂƐďĞĞŶƌƵŶŶŝŶŐLJŽƵƌŝŶǀĞƌƚĞƌĂƚƚŚŝƐƟŵĞĂŶĚ
LJŽƵǁĂŶƚƚŽƵƐĞƚŚĞůŝŵŝƚĞƌĨƵŶĐƟŽŶƉůĞĂƐĞƚƵƌŶŽīĂŶĚƐǁŝƚĐŚŽĨƚŚĞŝŶǀĞƌƚĞƌĂŶĚ
ǁĂŝƚĨŽƌϱŵŝŶƵƚĞƐƵŶƟůƚŚĞŝŶǀĞƌƚĞƌĐŽŵƉůĞƚĞůLJĚŝƐĐŚĂƌŐĞĚdŚĞŶĐŽŶŶĞĐƚƚŚĞĐƵƌƌĞŶƚ
sensor to the inverter limiter interface. Make sure they are reliably connected, and the
current sensor should clamp to the live wire of the incoming line. In order to make it easier
ĨŽƌLJŽƵƚŽƵƐĞƚŚĞďƵŝůƚͲŝŶůŝŵŝƚĞƌĨƵŶĐƟŽŶŽĨƚŚĞŝŶǀĞƌƚĞƌǁĞŚĂǀĞƐƉĞĐŝĮĐĂůůLJŐŝǀĞŶƚŚĞ
ǁŝƌŝŶŐĚŝĂŐƌĂŵĂƐƐŚŽǁŶŝŶWŝĐƚƵƌĞϳϭƚŚĞƌĞĚůŝŶĞƐĐŽŶŶĞĐƚĞĚƚŽƚŚĞƵƟůŝƚLJŐƌŝĚƐĂŝĚǁŝƌĞ
;>ͿďůƵĞůŝŶĞƐŚŽǁƐƚŚĞnjĞƌŽůŝŶĞ;EͿLJĞůůŽǁŐƌĞĞŶůŝŶĞƐŚŽǁƐƚŚĞŐƌŽƵŶĚǁŝƌĞ;WͿtĞ
ƌĞĐŽŵŵĞŶĚŝŶƐƚĂůůŝŶŐĂƐǁŝƚĐŚďĞƚǁĞĞŶƚŚĞŝŶǀĞƌƚĞƌŽƵƚůĞƚĂŶĚƚŚĞƵƟůŝƚLJŐƌŝĚƚŚĞƐƉĞĐƐ
of the AC switch is determined according to the load capacity. The AC switch we
recommend to connect to the inverter output can refer to Table 5.1. If there is no integrated
DC switch inside the inverter you purchased, were commend you to connect the DC switch.
The voltage and current of the switch depends on the PV array you access.
ϰKƉĞƌĂƚĞƚŚĞďƵƩŽŶƵƉĚŽǁŶŵŽǀĞƐĞƫŶŐĐƵƌƐŽƌƚŽĞŶĞƌŐLJŵĞƚĞƌĂŶĚƉƌĞƐƐƚŚĞďƵƩŽŶ
ĞŶƚĞƌƚƚŚŝƐƟŵĞLJŽƵĐĂŶƚƵƌŶŽŶŽƌƚƵƌŶŽīƚŚĞĞŶĞƌŐLJŵĞƚĞƌďLJĐŚŽŽƐŝŶŐƵƉĚŽǁŶ
ďƵƩŽŶƉůĞĂƐĞƉƌĞƐƐĞŶƚĞƌďƵƩŽŶƚŽĐŽŶĮƌŵǁŚĞŶƐĞƫŶŐĚŽŶĞ
ϱDŽǀĞƚŚĞĐƵƌƐŽƌƚŽK<ƉƌĞƐƐĞŶƚĞƌƚŽƐĂǀĞƚŚĞƐĞƫŶŐƐĂŶĚĞdžŝƚƚŚĞƌƵŶŶŝŶŐ
ƉĂƌĂŵĞƚĞƌƐƉĂŐĞŽƚŚĞƌǁŝƐĞƚŚĞƐĞƫŶŐƐĂƌĞŝŶǀĂůŝĚ
ϲ/ĨƐĞƚƵƉƐƵĐĐĞƐƐĨƵůůLJLJŽƵĐĂŶƌĞƚƵƌŶƚŽƚŚĞŵĞŶƵŝŶƚĞƌĨĂĐĞĂŶĚĚŝƐƉůĂLJƚŚĞ>ƚŽŚŽŵĞ
ƉĂŐĞďLJƉƌĞƐƐƚŚĞƵƉĚŽǁŶďƵƩŽŶ/ĨŝƚĚŝƐƉůĂLJƐŵĞƚĞƌƉŽǁĞƌyytƚŚĞnjĞƌŽͲĞdžƉŽƌƚ
ĨƵŶĐƟŽŶƐĞƫŶŐŝƐĐŽŵƉůĞƚĞĚ^ŚŽǁŶĂƐƉŝĐƚƵƌĞϳϭϱ
ϳϮϭĞƌŽͲĞdžƉŽƌƚĨƵŶĐƟŽŶǀŝĂd
WŝĐϳϱĞƌŽͲĞdžƉŽƌƚĨƵŶĐƟŽŶǀŝĂĞŶĞƌŐLJŵĞƚĞƌƚƵƌŶŽŶ
ϳDĞƚĞƌƉŽǁĞƌyytƐŚŽǁƐƉŽƐŝƟǀĞŵĞĂŶƐŐƌŝĚŝƐƐƵƉƉůLJŝŶŐƚŚĞůŽĂĚĂŶĚŶŽƉŽǁĞƌĨĞĚŝŶƚŽ
ŐƌŝĚŝĨŵĞƚĞƌƉŽǁĞƌƐŚŽǁƐŶĞŐĂƟǀĞŝƚŵĞĂŶƐWsĞŶĞƌŐLJŝƐďĞŝŶŐƐŽůĚƚŽŐƌŝĚŽƌĞŶĞƌŐLJŵĞƚĞƌ
ǁŝƌŝŶŐĐŽŶŶĐĞƟŽŶŚĂƐƉƌŽďůĞŵ
ϴŌĞƌƉƌŽƉĞƌůLJĐŽŶŶĞĐƟŽŶŝƐĚŽŶĞǁĂŝƚĨŽƌŝŶǀĞƌƚĞƌƐƚĂƌƟŶŐ/ĨƚŚĞƉŽǁĞƌŽĨƚŚĞWsĂƌƌĂLJ
ŵĞĞƚƐƚŚĞĐƵƌƌĞŶƚƉŽǁĞƌĐŽŶƐƵŵƉƟŽŶƚŚĞŝŶǀĞƌƚĞƌǁŝůůŬĞĞƉĂĐĞƌƚĂŝŶŽƵƚƉƵƚƚŽĐŽƵŶƚĞƌĂĐƚ
ƚŚĞƉŽǁĞƌŽĨƚŚĞŐƌŝĚǁŝƚŚŽƵƚďĂĐŬŇŽǁ