Millivolt Wiring - Empire Comfort Systems VFD20MS30N-1 Installation Instructions And Owner's Manual

ON/OFF/REMOTE Switch
This product is equipped with an ON/OFF/REMOTE switch which
is located on the wire channel. A wire harness is attached to the
ON/OFF/REMOTE switch. The red, black and green (wires) female
push-ons attach to the ON/OFF/REMOTE switch. At the opposite
end of the wire harness, the black and green (wires) female push-
ons attach to the gas valve. An additional green wire and the red
wire, which are stripped and bare, will attach to the 750 millivolt wall
thermostat accessory, or, to one of the other accessories that can
be purchased for use with your log set.
Operation of ON/OFF/REMOTE Switch with no Accessories
To ignite main burner, turn the control knob on the gas valve from
the PILOT position to the ON position. Turn the ON/OFF/REMOTE
switch from the OFF position to the ON position. The additional green
wire and red wire, which are stripped and bare are not used.
Operation of ON/OFF/REMOTE Switch with Accessories
750 Millivolt Wall Thermostat
Connect the green and red, stripped and bare, wires on the ON/OFF/
REMOTE switch wire harness to the wall thermostat. Turn the ON/
OFF/REMOTE switch on the wire channel to the REMOTE position.
Set the wall thermostat to the desired temperature.
It is important to use wire of a gauge proper for the length of
the wire:
RECOMMENDED WIRE GAUGES
Maximum Length
1' to 10'
10' to 25'
25' to 35'
Wall Switch, FWS-1
Connect the green and red, stripped and bare, wires on the ON/
OFF/REMOTE switch wire harness to the wall switch. Turn the ON/
OFF/REMOTE switch on the wire channel to the REMOTE position.
Pivot the rocker switch on the FWS-1 to the ON position.
Battery Operated Remote Control, FRBC, FRBTP,
TRW, and FRBTC
Connect the green and red, stripped and bare, wires on the ON/
OFF/REMOTE switch wire harness to the remote receiver that is a
component in the FRBC and FRBTC. Turn the ON/OFF/REMOTE
switch on the wire channel to the REMOTE position. Follow instruc-
tions in the FRBC and FRBTC to complete installation.
NOTICE: If batteries fail in FRBC or FRBTC, and immediate heat
is desired, turn the ON/OFF/REMOTE switch on wire channel from
the REMOTE position to the ON position.
Electric (120 volt) Operated Remote Control, FREC
Connect the green and red, stripped and bare, wires on the ON/
OFF/REMOTE switch wire harness to the wires on remote receiver
that is a component in the FREC. Turn the ON/OFF/REMOTE switch
on the wire channel to the REMOTE position. Follow instructions in
the FREC to complete installation.
NOTICE: If electric (120 volt) fails in FREC, and immediate heat is
desired, turn the ON/OFF/REMOTE switch on wire channel from
the REMOTE position to the ON position.
Page 24

MILLIVOLT WIRING

Wiring of ON/OFF/REMOTE Switch with 750 Millivolt Wall
Thermostat Accessory and Another Accessory
Connect the green and red, stripped and bare, wires on the ON/OFF/
REMOTE switch wire harness to the 750 millivolt wall thermostat
AND to the remote receiver that is a component in the FRBC, FREC
OR to the FWS, wall switch.
1. Connect one wire from the 750 millivolt wall thermostat and one
2. Connect one wire from the 750 millivolt wall thermostat and one
Manual Operation
1. Turn ON/OFF/REMOTE switch on wire channel to REMOTE
2. Turn wall thermostat OFF.
3. Turn accessory, FRBC, FREC, FRBTP, TRW or FWS, ON.
Wall Thermostat Operation
1. Turn the ON/OFF/REMOTE switch on wire channel to REMOTE
Wire Gauge
18
2. Turn accessory, FRBC, FREC or FWS, OFF.
16
3. Turn wall thermostat ON and set appropriate temperature. Wall
14
Installation of Remote Receiver
1. Attach, from left to right, the slide-on cover plate onto the remote
2. Push the receiver slide button onto the receiver slide switch.
3. Attach Velcro loop on the left side of the valve cover support.
4. Attach Velcro hook onto remote receiver. The word TOP on the
5. Attach Velcro hook on remote receiver onto Velcro loop on valve
wire from appropriate accessory to the GREEN, stripped and
bare wire from the ON/OFF/REMOTE wire harness.
wire from appropriate accessory to the RED, stripped and bare
wire from the ON/OFF/REMOTE wire harness.
NOTICE: When the appliance is in the MANUAL mode and the
batteries fail in the FRBC or if the electric (120 volt) fails in the
FREC, and immediate heat is desired, turn the ON/OFF/REMOTE
switch on wire channel from the REMOTE position to the ON
position.
position.
Appliance is now in the manual mode. You must turn the appliance
ON or OFF with appropriate accessory.
position.
thermostat will cycle the appliance ON and OFF.
receiver. ON will be to the top and OFF will be to the bottom on
the slide-on cover plate.
Reverse installation of the slide button if it is off center.
remote receiver should be to the top when installed onto valve
cover support.
cover support.
Refer to remote control installation and operating instructions
for more details on remote control.
ATTACH VELCRO TO
REMOTE
VALVE COVER BRACKET
RECEIVER
Figure 16
42605-3-0621