ϳϭĞƌŽͲĞdžƉŽƌƚĨƵŶĐƟŽŶ;KƉƟŽŶͿ
ϳĞƌŽͲĞdžƉŽƌƚĨƵŶĐƟŽŶ;KƉƟŽŶĂůͿ
ϳϭϭĞƌŽͲĞdžƉŽƌƚĨƵŶĐƟŽŶǀŝĂĞŶĞƌŐLJŵĞƚĞƌ
tŚĞŶLJŽƵĂƌĞƌĞĂĚŝŶŐƚŚŝƐǁĞďĞůŝĞǀĞƚŚĂƚLJŽƵŚĂǀĞĐŽŵƉůĞƚĞĚƚŚĞĐŽŶŶĞĐƟŽŶĂĐĐŽƌĚŝŶŐƚŽ
ƚŚĞƌĞƋƵŝƌĞŵĞŶƚƐŽĨĐŚĂƉƚĞƌϱŝĨLJŽƵŚĂǀĞďĞĞŶƌƵŶŶŝŶŐLJŽƵƌŝŶǀĞƌƚĞƌĂƚƚŚŝƐƟŵĞĂŶĚLJŽƵ
ǁĂŶƚƚŽƵƐĞƚŚĞnjĞƌŽͲĞdžƉŽƌƚĨƵŶĐƟŽŶƉůĞĂƐĞƚƵƌŶŽīĂŶĚƐǁŝƚĐŚŽĨƚŚĞŝŶǀĞƌƚĞƌĂŶĚ
ǁĂŝƚĨŽƌϱŵŝŶƵƚĞƐƵŶƟůƚŚĞŝŶǀĞƌƚĞƌĐŽŵƉůĞƚĞůLJĚŝƐĐŚĂƌŐĞĚWůĞĂƐĞĨŽůůŽǁďĞůŽǁWŝĐƚƵƌĞϳϭƚŽ
connect the energy meter.
&ŽƌƐLJƐƚĞŵǁŝƌŝŶŐĚŝĂŐƌĂŵƚŚĞƌĞĚůŝŶĞƌĞĨĞƌƐƚŽ>ůŝŶĞ;>ͿƚŚĞďůƵĞůŝŶĞƌĞĨĞƌƐƚŽƚŚĞŶĞƵƚƌĂů
ůŝŶĞ;EͿŐƌĞĞŶůŝŶĞƌĞĨĞƌƐƚŽŐƌŽƵŶĚǁŝƌĞ;WͿŽŶŶĞĐƟŶŐĞŶĞƌŐLJŵĞƚĞƌZ^ϰϴϱĐĂďůĞƚŽ
inverter's RS485 port. It's recommended to install an AC switch between the inverter and the
ƵƟůŝƚLJŐƌŝĚƚŚĞƐƉĞĐƐŽĨƚŚĞƐǁŝƚĐŚĂƌĞĚĞƚĞƌŵŝŶĞĚďLJƚŚĞƉŽǁĞƌŽĨůŽĂĚ
The AC switch we recommend to connect to the inverter output can refer to Table 7.2. If there
is no integrated DC switch inside the inverter you purchased, we commend you to connect the
DC switch. The voltage and current of the switch depend on the PV array you access.
Pulse Output
RS 485
INPUT
WŝĐϳϭ,/EdŵĞƚĞƌ
dŚĞƐƚƌŝŶŐŝŶǀĞƌƚĞƌƐƵƉƉŽƌƚƐnjĞƌŽͲĞdžƉŽƌƚĨƵŶĐƟŽŶǀŝĂŶĞƌŐLJŵĞƚĞƌ>ŝŵŝƚĞƌ;dͿĂƐĞĚŽŶ
ĐŽŶƟŶƵŽƵƐůLJĚĂƚĂĐŽŵŵƵŶŝĐĂƟŽŶŽŶĐĞƚŚĞ>ŝŵŝƚĞƌŽƌĞŶĞƌŐLJŵĞƚĞƌĚĞƚĞĐƚƐƉŽǁĞƌĞdžƉŽƌƚƚŽ
ƚŚĞŐƌŝĚŝƚǁŝůůƐĞŶĚƚŚĞŝŶĨŽƌŵĂƟŽŶƚŽƚŚĞŝŶǀĞƌƚĞƌĂŶĚƚŚĞŶŝŶǀĞƌƚĞƌǁŝůůƌĂŵƉĚŽǁŶŝƚƐĂĐƟǀĞ
ƉŽǁĞƌĂĐĐŽƌĚŝŶŐƚŽŵĂƚĐŚƚŚĞůŽĂĚĚĞŵĂŶĚĂŶĚĂĐŚŝĞǀĞnjĞƌŽĞdžƉŽƌƚdŚŝƐůŝŵŝƚĞƌĨƵŶĐƟŽŶŝƐ
ŽƉƟŽŶĂů/ĨLJŽƵďƵLJƚŚĞŝŶǀĞƌƚĞƌǁŝƚŚnjĞƌŽͲĞdžƉŽƌƚĨƵŶĐƟŽŶ;dͿĂĐƵƌƌĞŶƚƐĞŶƐŽƌǁŝůůďĞ
ŝŶĐůƵĚĞĚŝŶƚŚĞƉĂĐŬĂŐĞǁŚŝĐŚŝƐŶĞĐĞƐƐĂƌLJĨŽƌnjĞƌŽͲĞdžƉŽƌƚĨƵŶĐƟŽŶ
/ĨLJŽƵďƵLJƚŚĞŝŶǀĞƌƚĞƌǁŝƚŚnjĞƌŽͲĞdžƉŽƌƚĨƵŶĐƟŽŶǀŝĂĞŶĞƌŐLJŵĞƚĞƌĂŶĞŶĞƌŐLJŵĞƚĞƌǁŝůůďĞ
ŝŶĐůƵĚĞĚŝŶƚŚĞƉĂĐŬĂŐĞǁŚŝĐŚŝƐŶĞĐĞƐƐĂƌLJĨŽƌnjĞƌŽͲĞdžƉŽƌƚĨƵŶĐƟŽŶ