Progressive Industries EMS-LCHW30 Installation Manual And Operating Instructions page 3

11. Set time delay jumper on the circuit board. The factory setting is for 15
seconds. Remove jumper to set for 136 seconds (02:16). See Features
Section on time delay to determine which to use. (See Picture B.)
12. Plug in display. NEVER PLUG IN DISPLAY WHILE RV POWER IS
ON, BECAUSE THIS WILL CAUSE THE ELECTRONICS BOARD
TO BLOW. (See Picture C )
13. Attach EMS lid with the six black machine screws provided.
14. Mount the EMS control box.
15. Installation is complete.
instructions.
Installation After Transfer Box for
Protection from both Generator and AC Power.
For installation, in addition to the EMS Kit, you will need:
•
6 mounting screws
•
In some cases you will need a jumper cable, length to be
determined based on the placement of the EMS
•
Always use #10 wire.
1. Unplug RV from the AC power and be sure generator is off.
2. Locate transfer switch box; determine where the EMS control box will be
mounted.
3. Measure the distance between the transfer switch and the control box and
add one (1) foot. This is the length of cable that will be required for the
installation. Make sure 10-gauge, 3-conductor cables are used.
4. Remove lid from transfer box, disconnect and remove the output cable.
5. Take jumper cable and strip back one end three (3) inches, and the other
end the same as the end removed from the transfer box. The cable
removed from the transfer box must have at least three (3) inches of the
outer insulation removed. (See Picture A)
6. Strip back all conductors 3/8 inches and attach ring terminals to green
ground wires. (See Picture A) If this wire is solid wire, do not use ring
terminals. Loop the wire around the ground screw.
7. Remove the lid from the EMS. Next, remove the digital display and pack
of screws and then back off the four (4) set screws from top of contactor.
8. Take the jumper cable and connect it to the input side by sliding through
the wire restraint on the end of the EMS control box and then connect the
wires to the contactor by attaching black above the little black wires,
white above the little white wires, and the green to ground screw on side
of box. (See Picture B) Torque down set screws and ground nut to
secure connections.
9. The cable that came from the transfer box connects to the output side of
the EMS control box in the same manner. Next, slide the black wire
through the current sensor, making sure the arrow on the current sensor is
facing the contactor and connect to contactor across from other black
Next, plug in and follow operating
wire, then connect the white wire to the contactor across from the other
white wire. Attach the green ground wire to the ground screw on side of
box. (See Picture B) Make sure that the wire colors match up across
from each other. Torque down set screws and ground nut to secure
connections.
10. Connect the loose end of the jumper cable to the transfer switch. See
wiring diagram on transfer switch if needed.
11. Double check all connections to ensure they are secure.
12. Secure cable ends by tightening down strain reliefs over input and output
wires. Do not over tighten as this could bite through the insulation and
cause a short.
13. Set time delay jumper on the circuit board. Factory setting is for 15
seconds. Remove jumper to change setting to 136 seconds (02:16). See
Features Section on time delay to determine which to use. (See Picture
B.)
14. Plug in display card. NEVER PLUG IN DISPLAY WHILE RV
POWER IS ON BECAUSE THIS WILL CAUSE THE ELECTRONICS
BOARD TO BLOW.
15. Attach lid with the six black machine screws provided and attach transfer
switch lid.
16. Mount the EMS control box.
17. Installation is complete. Next, plug in and follow operating instructions.
Operating Instructions
1. Plug into A/C power.
2. Digital display will read 888 for one second and then begin scrolling the
voltage, amps, line frequency and error code, if any. In addition, the
time delay light will flash while the EMS is going through its countdown
and will stop when the unit engages. (Bottom right hand corner.)
3. You may notice when first plugging in that the display may read E-9.
Don't worry about this, it only means that the display has not received
data from the computer yet. By the next time through it should read E-0
if the A/C power is normal.
4. The digital display will read voltage, then 0A which is current (amps).
Current will read zero until the time delay is complete. (136 seconds or
15 seconds, depending on your settings). Next, you will notice a number
between 0 and 30. This number indicates how many amps the RV is
drawing. Next you will notice 60H and this is your line frequency. That
number should remain fairly consistent, however, it may read plus/minus
one or two. Lastly, you will notice the E code. E-0 is normal and only if
E-0 or E-10 is present will the delay light flash and allow power to the
RV. Refer to your Error Code chart that was provided or see Error Code
chart below for further details.
5. Verify that Error Code E0 is displayed and set up is now complete.