World Friendship WF-600T Series User manual

Pure Sine Wave
Power Inverter
User's Manual
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WORLD FRIENDSHIP CO."LTD
Sales: Phone: [phone] FAX: [phone]
Warehouse: [phone] Fax: [phone]
Warranty: [phone]

Contents
1. ImportantSafety Instructions.. 2
1-1 Generalsafety precautions ... 2
1-2 Precautionswhen working with Batteries 2
2. FunctionalCharacteristics 3
2-1 General Information 3
2-2 Features. 4
2-3 Electrical Performance 5
3. Basic Descriptions 6
3-1 Mechanicaldrawings 6
3-2 The front panel interface. ........................................................... 7
3-3 The rearpanel interface 8
3-4 The remote control panel............................................................ 9
4. Installation 10
4-1 AC safety grounding 10
4-2 GFCI receptacle .' 10
4-3 Hardwire 11
4-4 Making DCWiring Connections 11.12
5. Operating 13
5-1 Controls and indicators 13
5-2 Systemstatus LEDs 14
6 Information 15
6-1 TroubleshootingGuide 15
6-2 WFCO Power Inverter 16
6-3 Exclusionsand limitations 16
6-4 Warranty 16
@Copyright: This manual is the copyright of WFCO, And may not be reproduced or copied without the express permission
of the owner.

1. Important Safety Instructions
&WARNING!
Before you install and use YourWF-600T Inverter,be sure
to readthese safety instructions.
1-1. General Safety Precautions
1-1-1.Do not expose the WF-600T inverter to rain, snow, spray, bilge or
dust. To reduce risk of hazard, do not cover or obstruct the
ventilation openings. Do not installthe WF-600T Inverter in a
zero-clearancecompartment. Overheating may result.
1-1-2.Toavoid a risk of fire and electric shock. Make sure that existing
wiring is in good electrical condition; and that wire size is not
under sized. Do not operate the WF-600T inverter with damaged or
substandardwiring.
1-1-3.This equipment contains components which can produce arcs or
sparks. Toprevent fire or explosion do not install in compartments
containing batteriesor flammable materials or in locations which
require ignition protected equipment. This includes any space
containing generator,fuel tanks, or joints, fittings, or other
connection between components of the fuel system.
1-2. PrecautionsWhen Working with Batteries
1-2-1.If battery acid contacts skin or clothing, wash immediately with soap
and water. If acid enters eye, immediatelyflood eye with running
cold water for at least20 minutes and get medical attention
,immediately.
1-2-2.Neversmoke or allow a spark or flame in vicinity of battery.
1-2-3.Donot drop a metal tool on the battery. The resulting spark or
short-circuit on the battery or other electrical part may cause an
explosion.
1-2-4.Remove personal metal items such as rings, bracelets, necklaces,
and watches when working with a lead-acid battery.
A lead-acidbattery produces a short-circuit current high enough to
weld a ring or the liketo metal,causing a severe burn.

2. Functional Characteristics
2-1. General Information
WF-600T complieswith stand-alone power inverter with AC transfer
switch and is suitable for RV,Marine and Emergencyapplication.
When utilityAC power cutoff,the transfer relay is de-energized and the
load is automaticallytransferred to the WF-600T series output. Once the
AC utility is restored,the relay is energized and the load is automatically
reconnectedto AC utility.
WF-600T series is available with 12 (24) Vdc Input and 120 Vac/60 Hz
Output and there are 2 versions:
. With Hardwire(Part No. WF-600TH-1XX)
--- providewith hardwired installation.
. With GFCI (Part No.WF-600TG-1XX)
--- This provideswith the GFCI safety receptacle easierto plug in
the appliances.
Please read all instructions and cautionary marking on this manual
before using WF-600T series.
3

2-2. Features
Product:
II 600Watt continuous output with 800Watt power surge for electronic appliances
II Pure sine wave output (THO < 3%) to operate higher-end electronic Equipments.
II Built in 10A rating transfer switch with plug-in socket that is easy to maintain.
II Speed up transfer time and synchronized operation with the AC source at all times
that allows the transfer to be interruption-free for sensitive equipments
II Built in advance microprocessor to make friendly interface with user.
II Dual AC outlets or hardwire AC connection model option.
II Smart remote controller.
II 3 LED indicators with tri-color display all operation status
II UL 458 approval and FCC class B.
Protection:
II Battery over voltage and under voltage protections.
II Over temperature protection.
II Over load protection
II Short Circuit protection
II Ground fault protection by GFCI receptacle.
II Reverse polarity protection.
II ROF (remote override function) or Ignition Lockout function option.
BAC circuit breaker (7Amp)

2-3. Electrical Performance
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Item WF-600TD-112 WF-600TD-124
Continuous Output Power 600W
Maximum Output Power (3Min.) 680W
Surge Rating 800W
Input Voltage 12V 24V
Output Voltage / Frequency 100/110 /120V :t: 3%
(Switch Selectable) 50/60Hz +/- 0.05%
Efficiency (full load) 87.0% 90.0%
No Load Current Draw 0.87A 0.43A
Output Waveform Pure Sine Wave (THD <3%)
Power Factor Allowed cos (j -900 cos (j +900
Output Voltage Regulation 100/110 /120V RMS -10%/+4%
Input Voltage Regulation 10.5-15 21.0-30
VDC VDC
Input Level Indicator Red / Orange / Green LED
Load Level Indicator Red / Orange / Green LED
Power Status Red / Green LED
Overload, Short Circuit, Reverse Polarity (Fuse),
Protection Over/Under Input Voltage, Over Temperature.
AC Inout Circuit Breaker, GFCI.
Circuit Breaker 7Amp
Transfer switch 1OAmp
Transfer Time 48 msec.
Safety UL458
EMC FCC Class B
Remote Control YES
Synchronous AC transfer YES
Operating Temperature Range 0 - 40De
Storage Temperature Range -30De to 70De
Cooling Loading controlled cooling fan
Dimensions 11.42 (L) x 7.05 (W) x 3.15 (H) Inch
Weight 3.3 kgs. / 6.6 Lbs.

3. Basically Descriptions
3-1 Mechanical drawinfJ.s
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3-2 The Fronteanel interface
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3-2-1.PowerON / OFF/ REMOTEswitch:
If you use a remotecontrol unit, put the "on/off" switch to "remote".
3-2-2.AC inputCircuit Breaker:
The lAmp circuit breaker protects the model from overload. When an
overlandcondition exists, the circuit breaker stops to supply output AC
grid power. To reset, push the circuit breaker switch and then the
modelwill be backto a normal operation, the source fault should be
corrected prior reset.
3-2-3 Remoteport: Connect RJ-11wiring with remote control unit.
3-2-4. Batteryterminals:
Connect 12V (24V) batteries or other 12V/ (24V) power sources.
3-2-5. Connect chassis ground terminal to earth.

3-3 The rear /2.anel interface
AC INPUT
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3-3-1. Ventilation:
Do not obstruct, allows at least 2 to 3 inches of clearance for airflow.
3-3-2. AC input: (source)
Plug into AC source directly.
8

3-4 The Remote Controll2.anel
0
Inverter Status
Solid Red Inverting
Blinking Fast - - - - - - R.O.F Acting
Blinking Slow- - - Ignition Lockou
0
INVERTER REMOTE
0WFCO
Remote controlis a basic ONIOFF remote control.
*The LEDthat glows steadily red when the Inverter is on.
* The LED Blinkingfast when the R.O.F is presented.
* The LED Blinkingslow when the Ignition Lockout functionis
presented.
-The Jumper wirethat is placed inside the remote controland decides to present
eitherthe R.O.For Ignition lockout function.
* Pinjumper "Open"- R.O.F.
*PinJumper "Short"- Ignitionlockoutfunction.
-The wiremust be placed witha properlysized 12Voltfuse.
-Connect RJ-11wirewiththe remote port infrontofpanel.
* Ignition Lockout function-The Ignition lockout functionisto turn the
InverterOFFwhen the auxiliaryinputwiringconnects withthe
ACCand 12 Voltsis applied.
* R. O. F -The R.O.F(Return override function) is to turn the Inverter
ONwhen the auxiliaryinputwiringconnects withthe reverse gear
Shiftand 12Voltsis applied.
9
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AUX,+12V
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4. Installation
&WARNING!
Shock Hazard. Before proceeding further, carefully
check to see if the WF-600T Inverter connect to batteries,
and every electrical sources wiring is disconnected.
Do not connect output terminals of the WF-600T Inverter
to incoming AC source.
4-1 AC Safety Grounding:
Duringthe AC wiring installation,AC input and output grounding are
connectedto the inverter. The AC input grounding must connect to the
incoming grounding of your AC utility sources and the AC output grounding
should go to the grounding pointfor your loads. (for example, a distribution
panel ground bus ).
Neutral Grounding (GFCI'S):
The neutral conductor of the AC output circuit of the WF-600T Inverter is
Automatically connectedto the safety ground during inverter operation.
This conforms to National Electrical Code requirements that derived AC
sources separately (suchas inverter and generators) have their neutral
conductors tied to ground in the same way that the neutral conductor from
the utility istied to ground at the AC breaker panel.
For models configuredwith a transfer relay,while AC utility powers
presenting and he WF-600T Inverter is in bypass mode, this connection
(neutralof the WF-600T Inverter's AC output to input safety ground) is not
presented so that the utility neutral is only connected to ground at your
breaker panel, as required.
4-2 Ground Fault Circuit Interrupters (GFCI):
RecreationalVehicles Installations (for NorthAmerican approvals) will require
GFCI protection,all branchcircuits connected to the AC output hardwireterminal
is equipped WF-600T Inverter. In addition, electrical codes require GFCI
protection of certain receptacles in residential installations.
While the pure sine wave output of the WF-600T Inverter is equivalent to the
waveform provided by utilities,compliance with UL standards requires us to
test and recommendspecific GFCI.
WFCO has tested the following GFCI-protected 20A receptacles, UL listed, Pass
& Seymour,type no.2091-W & 2094-W ,and found that they functioned properly
when connectedto the output of the WF-600T Inverter.
10

4-3 Hard-wire Installation
To makeAC wiring connections:
4-3-1.The AC wiring compartment is located on the front panel of the
WF-600T. Removethe AC wiring compartment cover to gain access
to the AC terminal.
4-3-2. Connectto the AC output wiring to the WF-600T AC output terminals.
Terminalto wiring connections referto the following mentions:
4-3-3.After wiring, double check and review all connections to make sure
the wires are in correct terminals and the terminals are tight up.
4-4 Making DC Wiring Connections:
Followingprocedurefor connections between the battery cables and the
DC inputterminals on the WF-600T Inverter. The cables should be high
quality copperwiring and keep cable length as short as possible, the
maximum length is 6 feet that plenty handle the current required from the
electricalcodes or regulations.
If cables are not an adequate gauge ( too narrow or much longer), the
inverter performance decreased, DCvoltage drop such as poor surge
capability,low input voltage warnings and shutdowns will be caused
frequency so the Longer and narrower cables are used; the greater voltage
drop is caused.
Battery cable fusing --- A fuse is required bythe National Electrical Code
(NEe) to protectthe battery and cables, A UL listed DC rated slow blow
fuse must be installed in positive battery cable, within 18 inches of the
battery.
11
Terminal Wire color Wire length Igauge
Line (L) Black
Neutral (N) White Within 16feet! AWG# 1618
Ground Green/ Yellowor 16 32 feet / AWG# 1416
Bare copper

VFCOrecommendsthe following cables for an optimum inverter performance.
-."'--, ...,,"fUl--Irll" 1
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BATTERY
WF-600T
WARNING!
&The installation of a fuse must be on positive cable.
Failureto place a fuse on "+"cables running between the
.Inverter and battery may cause damage to the inverter
and will void warranty.
12
Model No Wire AWG Inline Fuse
WF-600TD-112 #4 100A
WF-600TD-124 #6 50A

5. Operation:
Tooperate the WF-600T series, turn it on by using the ON/OFF/REMOTE
switch. The inverter is now readyto deliver AC powerto your loads. If you
are loadingseveral appliances, turn them on separately after the inverter
switch on;this process is to avoidthe power inverter delivers the starting
current onceto all the loads.
5-1. Controls and indicators:
The ON/OFF switch is turns on/oft the control circuit of the power
inverter. If connect to power inverter,the WF-600T Inverter operates
inputvoltage ranges as follows:
10.5 to 15.0 VDC for 12V models
21.0 to 30.0 VDC for 24V models
The WF-600T Inverter indicates DCvoltage status as follows:
13
Model DC Input over DC Input under DC Input under
voltage shut-down voltage alarm voltage shut-down
WF-600T-112 15.3 11.0 10.5
WF-600T-124 30.6 22.0 21.0

5-2. System Status LEDs.
There are 3 LED indicators are located on the front panel of inverter,
Input Level, Load Level, and Power status.
1. Input Level: Display Input Voltage
2. Load Level: DisplayAC Load Watts
3. Power status: Display power good / fault status
14
LED Status DC 12V DC 24V
Red Blink (slow) 10.5-10.9 21.0-21.8
Red 10.9-11.3 21.8-22.6
Orange 11.3-12.0 22.6-24.0
Green 12.0-14.0 24.0-28.0
Orange Blink 14.0-14.7 28.0-29.4
Red Blink 14.7 t29.4 t
LED Status Load Condition
Dark 0-30W
Green 30W-200W
Orange 200W-450W
Red 450W-580W
Red Blink Over 580W
LED Status Power Status
Green Supply AC power from an external AC
source
Orange Supply AC power from an inverter.
Red Blinking Fast OVP: over voltage
Red BlinkingSlowly UVP: under voltage
Red Blinking Intermittently OTP: over temperature
Red OLP: over load

fi. Information
I
I
I6-1.Troubleshooting:
&WARNING
Do not open or disassemble the WF-600T Inverter.
Attempting to service the unit may result a risk,
electrical shock or fire.
Problems and Symptoms Possible Cause
No output voltage, the LED glows RED light.
a. Power status light is
blinked fast.
b. Power status light is
blinked slowly.
Over inputvoltage.
Low input voltage.
Solutions
Check input voltage
Reduce input voltage.
Recharge battery.
Check connections
and cable.
c. Power status light is
blinked Intermittently. Thermal shutdown Improve ventilation.
Make sure ventilation,
openings in inverter
are not obstructed.
Reduce ambient
temperature.
d. Power status light is
glowed steadily. Short circuit, Wiring
error.
Over Loading
15
Check AC wiring
for short circuit.
Reduce load.

6-2. WFCO Power Inverter:
WFCO E3xtends,to the original owner, a Limited Power Inverter Warranty
commencingfrom the original date of purchase for a period of two (2) years.
This limitedwarranty is extended specifically for and is limited to Recreational
Vehicleapplication and is only valid in the continental United States, Alaska,
Hawaii andthe Provincesof Canada. WFCO warrants, to the owner, that it's
Power Inverteris free from defects in material and workmanship under normal
use and service based on its intended use and function and is limited to the
repairor replacement,at its discretion, of any defective part or defective
assembly. Any impliedwarranties of merchantability and fitness for intended use
are limited in duration unless applicable State Law provides otherwise. You may
have other right as specified by each individual state.
6-3. Exclusionsand limitations:
The OEM warranty specificallydoes not apply to the following:
*Any Power Inverterthat has been repaired or altered by an
unauthorizedperson.
* Any damage caused by misuse, faulty installation,testing, negligence or
accident or any Power Inverter installed in a commercial vehicle.
*Any Power Inverterwhose serial number has been defaced altered or
removed.
* Any consequentialdamages arising from the loss of use of the product
including but not limited to : inconvenience, loss of service, loss of revenue,
loss or damage to personal property,cost of all services performed in
removingor replacingthe WFCO Power Inverter.
6-4. Warranty:
Upondetermination and validation bythe OEM dealer that a WFCO Power
Inverterhas a defect,the dealer shall contact the WFCO warranty service
number [phone] and obtain a return goods authorization (RGA) number.
This number shall appear on all correspondence with warranty service.
Uponvalidationwarranty service shall replace the Power Inverter with a
like product. The RGA number shall also be placed on the outside of the carton
usedto returnthe product for ease of identification. Do not mark on the
Power Inverter.
16