Installation
900738-00 04/2017
Innovative Hearth Products
MHD35 Series Direct-Vent Gas Fireplaces
49
Figure 43 - Millivolt Pilot
Figure 44 - Orifi ce
Pilot
Orifice
Pilot
Orifi ce
12.
Use pipe joint compound or Tefl on
®
tape on all pipe fi ttings before installing.
NOTE:
Ensure propane resistant compounds are used in propane applications, do not use pipe joint compounds
on fl are fi ttings.
13.
Retrieve the burner and hold the venturi tube above the orifi ce. Place the shutter adjusting rod in the slot of the
shutter arm
(
Figure 39, Page 41
)
. Set the burner assembly into its position and secure the trapezoidal plate with
the two screws previously removed.
14.
Reinstall the baffl e with the two baffl e securing screws.
15.
Reassemble the remaining components.
16.
Turn on gas supply and test for gas leaks
(
Page 40
)
.
17.
Relight the main burner. The lighting instructions can be found on the lighting label in the control compartment
or
Page 64
. Verify proper burner ignition and operation
(
Page 40
)
.
18.
Inspect the pilot system for proper fl ame. The pilot fl ame should engulf the fl ame sensor
(
Figure 38, page 40
).
19.
Using a manometer, test the inlet and manifold gas pressures
(
Tables 3
and
4, Page 9
)
.
NOTE:
Always test pressures with the valve regulator control at the highest setting.
Initialize the Remote Control System
After completing fi replace installation, initialize the remote control system before operating the fi replace.
1. Insert the three (3) provided AAA batteries into the battery bay in the remote control. Correctly align polarity (+/–).
2. Insert the (4) provided AA batteries into the receiver battery bay (behind the wall switch plate). Correctly align
polarity (+/–).
3. Position the wall switch receiver three-position slider switch in the REMOTE position.
4. On the remote control, press the ON button.
