- Sherwood Industries Ltd. Indoor Fireplace User Manual
The ENVIROGAS EG 28.FS.DV. will operate with no external power supply. These models have a Millivolt gas 
control which uses the pilot flame to generate enough electricity to operate the main burner. 
The appliance when installed, must be electrically connected and grounded in accordance with local codes or in 
the absence of local codes, with the current CSA C22.1 CANADIAN ELECTRICAL CODE. Part 1, SAFETY 
STANDARDS FOR ELECTRICAL INSTALLATIONS, or THE NATIONAL ELECTRICAL CODE ANSI / NFPA 70 in 
the USA. 
NOTE: 
•  Operation of the fan increases the 
efficiency and the heat output of the 
appliance. 
•  The thermostat connects to the two 
purple wires in the harness 
•  Control panel light uses a 7w max. 
bulb 
•  If the unit is installed in a Mobile 
Home it must be connected to a 
grounding rod. 
•  If the unit is installed in a Mobile 
Home it must be bolted securely to 
the floor. 
WARNING: ELECTRICAL 
GROUNDING INSTRUCTIONS. 
This appliance is equipped with a three-
prong (grounding) plug for your protection 
against shock hazard and should be 
plugged into a properly grounded three-prong receptacle. 
DO NOT cut or remove the grounding prong from the plug. 
INSTALLING REMOTE THERMOSTAT OR WALL SWITCH 
RECOMMENDED WIRE SIZE for thermostat installation: 18 gauge, 2 wire solid core, Low Voltage wire. (Bell wire) 
1.  Install the 18 Gauge wire supplied to the two terminals on the thermostat or remote wall switch. 
2.  Connect the other end of the wire to the gas valve using the two outside terminals on the front of the gas valve. 
Use the terminals marked (TP/TH and TH). 
RECOMMENDED MAXIMUM LEAD LENGTH (TWO WIRE) 
WHEN USING WALL THERMOSTAT 
WIRE SIZE
 MAXIMUM LENGTH 
14 GAUGE  100 FEET 
16 GAUGE  64 FEET 
18 GAUGE  40 FEET 
20 GAUGE  18 FEET 
CAUTION 
Label all wires 
prior to 
disconnection 
when servicing 
controls. Wiring 
errors can cause 
improper and 
dangerous 
operation. Verify 
proper operation 
after servicing. 
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