Monessen Hearth CFX24 - Manual (Page 19)

19
CFX Vent Free Fireplace System
20301726
ELECTRICAL WIRING (MILLI-VOLT)
CONNECT REMOTE RECEIVER
THESE INSTRUCTIONS SUPERSEDE THE SECTION ENTITLED “HEARTH MOUNT” IN THE
MILLI-VOLT HAND-HELD REMOTE INSTRUCTIONS SUPPLIED WITH THE REMOTE.
1. Remove bottom louver door.
2. Connect the remote connectors located in the unit.
3. Apply Velcro
® pads with self-adhesive backing to bottom of remote receiver and to floor of compart-
ment behind access panel.
4. Attach remote receiver to firebox with Velcro ® pads. Control switch must face forward.
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.
A. COMPLETE MILLIVOLT SYSTEM CHECK
(“A” Reading - Thermostat contacts CLOSED - Control Knob “ON” - Main burner should be
come ON)
a. If the reading is more than 100 millivolts and the automatic valve still does not come on, replace
the control.
b. If the closed circuit reading (“A” reading) is less than 100 milli-volts, determine cause for low read-
ing, proceed to Section B below.
B. Thermopile Output Reading Check
(“B” Reading - Thermostat contacts OPEN - Main burner OFF)
1. Check gas pressure to the unit. If gas pressure is within minimum and maximum on data plate,
then check pilot voltage, 325 millivolts minimum. If the minimum milli-volt reading is not obtainable,
replace pilot.
Connect Meter Switch or Meter
Check To Leads to Thermostat Reading
Test Test Terminals Contacts Should Be
A Complete 2 & 3 Closed Closed
System
B Thermopile 1 & 2 Open Open
Output
SKYT ECH
OFF
ON
REM OTE
FIRE PLA CE REM OTE
FP2113
install remote
Remote Receiver
Velcro Pad
Velcro ® Pad
Figure 17 -
Install Remote Receiver
FP2113
NOTICE
Do not place
remote in
combustion
chamber.