48
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
Installation and Operation Instructions
900300-00, 01/2018
Innovative Hearth Products
DRT35ST and DRT35PF Direct-Vent Gas Fireplaces
Figure 75
Honeywell Electronic
Gas Valve
Figure 74
NOTE: The piezo igniter is located on the modesty panel - refer to Figure 1.
Variable Flame Height Adjustment
(Millivolt Appliances only)
1.
All Millivolt appliances are equipped with
a variable gas control valve. Flame height for
these models may be adjusted through a range
between fixed low and high settings, alternately,
while the appliance is in operation.
Adjust the flame height as desired after lighting
the appliance by rotating the variable adjustment
control knob located on the front of the valve
(refer to Figure 74)
.
(An extension is provided
to this knob so that the adjustment may be made
at the modesty panel).
HI
LO W
TPTH
TP
TH
PILO
T
PIL
OT
ON
i
t
OFF
Variable Flame Height Adjustment
Manifold Pressure Port
Inlet Pressure Port
Main Gas
Control Knob
IN
OUT
SIT Millivolt Gas Valve
ON/OFF Switch
Electronic
Gas Control
Valve
Inlet
Pressure
Port
Manifold Pressure Port
OFF
IN
P
S
I
ON
CONTROL
IG
N
IT
ER
Millivolt Appliances -
To light millivolt appliances refer to the detailed
lighting instructions found on
Page 60
(English)
and Page 61
(French)
.
Millivolt appliance
lighting instructions may also be found on the
pull out lighting instruction labels attached to
the gas control valve
.
Millivolt appliances are fitted with an ON/OFF
Rocker Switch for appliance ON/OFF control.
Refer to
Figure 73
for its location. Once the
pilot is lighted, the ON/OFF rocker switch will
control the appliance ON/OFF operation. To
operate: Toggle the switch between its ON and
OFF positions.
If your millivolt appliance is equipped with an
optional remote wall switch or remote control
kit and the pilot is lit, the appliance main burner
may be turned on and off with the wall switch
or remote control.
Electronic Appliances -
To light electronic appliances refer to the
detailed lighting instructions found in both
English and French on
Pages 62 and 63
of
these instructions respectively.
Electronic
appliance lighting instructions may also be
found on the pull out lighting instruction labels
attached to the gas control valve
. Electronic
appliances are fitted with an ON/OFF Rocker
Switch for appliance ON/OFF control. Refer to
Figure 73
for its location.
Once the pilot is lighted, the ON/OFF rocker
switch will control the appliance ON/OFF opera-
tion. To operate: Toggle the switch between its
ON and OFF positions.
If your electronic appliance is equipped with an
optional remote wall switch or remote control
kit the appliance main burner may be turned on
and off with the wall switch or remote control.
