Connect Remote Receiver; Check System Operation - Monessen Hearth Lyric Series Installation & Owner's Manual

G. Connect Optional Remote Receiver
1. Set remote receiver. See instructions included in
receiver kit.
2. Unplug the two terminals for the log switch from the
valve, connect the piggy back terminal of the receiver
to the TH and TP/TH on the valve. Slide the terminal
of the log switch onto the piggy back terminal on the
receiver
NOTE: Do not allow wires touch grate or burner.
NOTE: Heat reduces battery life. You can protect the
receiver and extend battery life by mounting receiver
in wall or other location outside the fireplace.
H. Check System Operation
The millivolt system and individual components may be
checked with a millivolt meter having a 0-1000 mV range.
Conduct each check shown in chart below by connection
meter test leads to terminals as indicated.
Check
Test To Test
A Complete System
B Thermopile Output
Figure 4.4 - Installing Remote Receiver
18
Connect Meter Leads
to Terminals
2 and 3
1 and 2
Burner Cover
Screws
Pilot
Valve
Monessen • Lyric Owner's/Installation Manual • 4616-900 Rev. H • 04/21
1. Complete Millivolt System Check
("A" Reading - Thermostat contacts CLOSED -
Control Knob "ON" - Main burner should turn
ON)
a. If the reading is more than 175 millivolts and the
automatic valve still does not come on, replace the
control.
b. If the closed circuit reading ("A" reading) is less than
175 millivolts, determine cause for low reading, pro-
ceed to Section B below.
2. Thermopile Output Reading Check
("B" Reading - Thermostat contacts OPEN - Main
burner OFF)
a. Check gas pressure to the unit. If gas pressure is
within minimum and maximum on data plate, then
check pilot voltage, 500 millivolts minimum. If the
minimum millivolt reading is not obtainable, replace
pilot.
3. Auto Spark System Check
a. Check that auto spark switch is fastened on valve
and secure.
b. Check that battery door is correctly attached to the
auto spark module. Battery is correctly installed.
Switch or Thermostat
Contacts
Closed
Open
Auto Spark
Module
Shipping
Position
Meter Should Read
Minimum 175
Minimum 500