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The 

F-40

 and the 

F-50

 transmitter units have been approved for 

use with most Wolf Steel gas fi replaces using a millivolt system.

The 

Receiver (W660-0076)

 can be installed in either the fi replace 

or be wall mounted depending on the application.

The

 F-40

 provides on/off status, and the current room temperature 

as well as having a low battery indicator. It allows you to switch the 
fi replace on or off from anywhere in the room.

The 

F-50

 is a thermostatically controlled transmitter that provides 

on/off status, displays room/set temperature as well as having a 
low battery indicator.  These transmitter kits are tested and safe 
when installed in accordance with these instructions.

Modifi cation of any part of this kit will void any warranty claims 
and could create a fi re hazard.

RECEIVER INSTALLATION:

Turn off the electrical power and the gas supply to the fi replace. 
(Gas supply may need to be disconnected from the gas control 
valve.) Make sure the slide switch on the receiver is set to the OFF 
position.

1.

  Either disconnect or connect in parallel* with any other 

transmitter wiring from the valve. Attach the wires from terminal 1 
(TPTH) and terminal 3 (TH) of the gas valve to the output terminals 
on the receiver.

*INSTALLER: It may be advisable to connect a switch with 
short lengths of wire to minimize the resistance. This will allow 
the homeowner to continue to control the burner in the event 
of battery failure.

For all millivolt switch wiring, hook up the switch leads on 
terminals 1 and 3 of the gas valve.

WALL MOUNT:

2.

  Press the battery compartment slightly into the receiver and 

release enabling the battery compartment to pop out. Pull off the 
slide switch.  Slide the receiver out of the fi replace mounting plate.

3.

  Using the screws provided secure the receiver and the face 

plate to an existing junction box.

4.

 

Replace the slide switch. Place 4 AA batteries into the battery 

compartment and slide the compartment back 
into the receiver.

5.

 

If the gas supply was disconnected at 

the valve, leak test using a soap and water 
solution. Turn electricity back on.

FIREPLACE MOUNT:

For stove and insert models:

 do not install the receiver in the 

gas control valve compartment as this area becomes too hot. On 
stoves, it may be installed in or behind the pedestal; on inserts, 
it may be installed behind the fl ashings or a similar convenient 
location.

In a zero clearance model:

 the receiver may be installed in the 

gas control compartment.

2.

  Ensuring that the mounting location will allow for the battery 

compartment to slide out, secure the receiver to an appropriate 
location depending on the fi replace model using the screws 
provided and/or the adhesive pad.

3.

  If the gas supply was disconnected at the valve, leak test using 

a soap and water solution. Turn electricity back on.

W415-0628 / 11.20.07

FIREPL

ACE REM

OTE

OFF

ON

REMOTE

BAT.LOW

JUNCTION

BOX

RECEIVER

SLIDE

SWITCH

FACEPLATE

WALL MOUNT 
EXPLODED VIEW

FIREPLA

CE REMOTE

PRESS

TO OPEN

OFF

ON

REMOTE

BAT.LOW

BATTERY

COMPARTMENT

WALL MOUNT 
UN-EXPLODED VIEW

BAT.LO

W

OFF

REMO

TE

ON

FIREPLACE

MOUNTING PLATE

FIREPLACE MOUNT 
EXPLODED VIEW

RECEIVER

SLIDE

SWITCH

FIREPLACE MOUNT 
UN-EXPLODED VIEW

BAT.LO

W

OFF

REMO

TE

ON

PRESS

TO OPEN

BATTERY

COMPARTMENT

F-40 AND F-50 TRANSMITTER UNIT

INSTALLATION AND OPERATION INSTRUCTIONS

F-40 

Includes: 

  F-50 

Includes:

W660-0066 Transmitter  W660-0067 Transmitter
W660-0076 Receiver 

  W660-0076 Receiver

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