SolaX Power X1-Fit-3.7C Quick Installation Guide

I
Packing List
Quick Installation Guide
-Drill holes with φ10 drill. Depth: at least 60mm.
-Mark position of four holes.
-Tighten the expansion tubes. Screw the expansion screws.
-Match the inverter with the bracket.
375.0mm
263.0mm
-Overview of Mounting
- Screw the set screw on the left-bottom
of inverter tightly.
- If necessary, costomer can install an
anti-theft lock on the left-bottom of
the inverter.
3.Insert AC cable into AC port
through screw cap.
a.L-wire,N-wire connection
4. Connect the wire to the AC terminal in the inverter. 
AC connectionsteps(AC cable size:refer to table1&table2):
1.Remove thetop-down cover.
2. Make AC wires.
Note: No need to connect
wire on the X port by
enduser!
60mm
12mm
b.PE wire connection
AC Connection
I Version inverter:EPSfunctioncanbeonlybeachievedautomatically.
E Version inverter:EPSfunctioncanbeachieved manually or automatically.
EPS wiring diagram
Do not required for Changeover Switch.
60mm
12mm
EPS connection steps:
Note: ConnectPEwire into
PEport.
1. Make wires(EPS cable size: refer to the table below)
2. Insert EPS cable into EPS port through screw cap.
L
N
PE
L
N I
Note: The black cable( the I
port ) has been wired
during the manufactory.
EPS Connection(for I version and E version )
+
-
B:Communication Connection Steps:
A:Power Connection Steps:
current of
breaker>32A
Press down spring until it clicks audibly into place
The ne wire strands must be seen in the champer
wire strands
Battery Connection
Before connecting to battey, please install a nonpolarized DC breaker to make
sure inverter can be securely disconnected during maintanance.
Batter y breaker
X1-Retro Fit 3.7KW-5.0KW
Mounting Steps
Cable
Micro-breaker
Model
4-5mm²
20A
X1-Fit-3.7-E
X1-Fit-3.7-C
5-6mm²
32A
X1-Fit-4.6-E
X1-Fit-4.6-C
5-6mm²
32A
X1-Fit-5.0-E
X1-Fit-5.0-C
table1. E Version & C Version
Model
Cable
Micro-breaker
X1-Fit-3.7-I
8-10mm²
50A
X1-Fit-4.6-I
10-13mm²
63A
X1-Fit-5.0-I
10-13mm²
63A
table2. I Version
4 6AWG AC terminals and 4 10AWG AC terminals for Version I
4 10AWG AC terminals and 4 8AWG AC terminals for Version E and Version C
AC terminal x8 *:
Inverter x1
Bracket x1
Expansion tubes x4
Expansion screws x4
Version I
Version E&C
AC terminal x8 *
Grounding nut x1
Set screw(for mounting) x1
Quick installation guide x1
Warranty card x1
User manual x1
Ring terminal (external) x1
Ring terminal (internal) x1
Gasket x1
Meter x1
Wifi module(optional) x1
Smart Plug(optional) x1
table. Cable and Micro-breaker recommended
+
-
Batter y
E-BAR
PE
N-BAR
RCD
EPS Load
L L
I Version
RCD
Load
RC MB
L
L
N
EP S
AC
EPS breaker: ≥32A
RCD: type A
wired by manuf actor
required for inst allation
E Version Manual Required for Changeover Switch
E Version Auto Required for Changeover Switch
Please contact our sales for any compatible contactor purchase requirement .
+
-
Batter y
E-BAR
PE
RCD
EPS Load
L
L
E Version
RCD
Load
RC MB
L
L
N
AC
RCD: type A
wired by man ufactor
required for in stall ation
EP S
changeover device( DPDT)
EPS breaker: ≥32A
+
-
Batter y
E-BAR
PE
RCD
EPS Load
L
L
E Version
RCD
Load
RC MB
L
L
N
AC
RCD: type A
wired by man ufactor
req uired for in stall ation
EP S
Contactor Device
Contactor
EPS breaker: ≥32A
I Version
E Version
12m m
60m m
E VersionI Version
Battery connection diagram
high-voltage lithium battery
CAN/ RS485
Nonpolarized
DC breaker
Power connection
Communication connection
BMS PIN Denition
Battery connectors
(positive x1, negative x1)
EPS Cable
EPS breaker
≥5mm² ≥5mm²
25A 32A
Model
X1-Fit-3.7E
X1-Fit-3.7I
X1-Fit-3.7C
X1-Fit-4.6E
X1-Fit-4.6I
X1-Fit-4.6C
≥5mm²
32A
X1-Fit-5.0E
X1-Fit-5.0I
X1-Fit-5.0C
Voltage
Current[A]
32A
Model
Nominal voltage of DC breaker should be larger than maximum
voltage of battery.
X1-Fit-3.7E
X1-Fit-3.7I
X1-Fit-3.7C
X1-Fit-4.6E
X1-Fit-4.6I
X1-Fit-4.6C
X1-Fit-5.0E
X1-Fit-5.0I
X1-Fit-5.0C
Communication interface bewteen inverter and battery is RS485 or CAN
with a RJ45 connector.
1
8
BMS_CANH
GNDX X
BMS_CANL
Definition
2
3
4
5
6
7
8
1
PIN
BMS_485A
BMS_485B
GND
X X
Definition
CAN
Rs485
X
X
X
X
X X
When using RS485 protocol, please note that PIN2 must be disconnected.
X
N L
I
N
L
I Version
E Version
Note:Iport has been
wired during the
manufactory.
I
I
PE
PE
I Version Auto Do not required for Changeover Switch
Step4:Insert one Rj45 side of the cable into
BMS port inside of inverter and the other
side into RS485 or Can port of the battery.
Step1: Disassemble the BMS/Meter
cable gland.
Step2: Prepare a communication
cable(without sheath)and insert
the communication cable through
the cable nut.
Step3:Assemble the cable gland and
screw the cable nut.
The seal is used for waterproof. Please
make sure it has been kept back.
EPS
CAN/GE N
LAN/DR M
Grid
WiFi
RF
BMS/Meter
Upgrad e
+
PV1 PV2 BAT
+ +
- - -
ON
OFF

SolaX Power X1-Fit-3.7C Specifications

General

Brand	SolaX Power
Model	X1-Fit-3.7C
Category	Inverter
Language	English