Cfx vent free fireplace system – Monessen Hearth CFX24 User Manual
Page 7

7
CFX Vent Free Fireplace System
20301726
GETTING STARTED
Make sure you have received all parts:
Check your packing list to verify that all listed parts have 
been received. You should have the following:
•
Unvented gas heater
•
Two (2) 90°-angle brackets
•
Facing
•
Installation/operating instructions
•
Two (2) anchoring screws
•
Cabinet
•
Ceramic fiber logs
•
Four (4) black screws
Millivolt controlled heater designed to be operated with 
optional devices for ON/OFF functions.
•
Hand held Remote with receiver
•
Wall T-stat with 20' wire
•
Wall switch with 20' wire
•
Hand held Thermostat Remote
GETTING STARTED
Carefully inspect the contents for shipping damage. If any 
parts are missing or damaged, immediately inform the 
dealer from whom you purchased the appliance. Do not 
attempt to install any part of the appliance unless you 
have all parts in good condition.
What you will need for installation:
You must have the following items available before pro-
ceeding with installation:
•
External regulator (for propane/LPG only)
•
Piping which complies with local codes
•
Phillips head screwdriver
•
Pipe sealant approved for use with propane/LPG
(Resistant to sulfur compounds)
•
Pipe wrench
•
Gloves are recommended when handling 
ceramic fiber logs to prevent skin irritation 
from loose fibers. Logs are fragile — 
handle with care.
CAUTION
In planning the installation for the fireplace it is necessary 
to determine where the unit is to be installed and whether 
optional accessories are desired. Gas supply piping should 
also be planned. The following steps represent the normal 
sequence of installation. Each installation is unique, how-
ever, and might require a different sequence.
1. Determine desired location for fireplace. Refer to the 
Location of Fireplace and Clearances and Height 
Requirements sections in this manual. 
NOTE: Be sure all packing material has been removed
from underside the unit.
2. Assemble mantel and install fireplace according to the
instructions in this manual.
2. Install logs per instructions found in this manual. 
3. Field wire main power supply to units with fan kit. Refer 
to the Electrical Section found in this manual. (Electrical 
connections should only be performed by an experi-
enced, licensed certified tradesman).
4. Install optional ON/OFF kit on units with millivolt control.
Refer to the installation instructions included with the 
kit and also refer to the Electrical Wiring section found 
in this manual.
5. Plumb gas line according to the Connecting the
Gas section found in this manual. (Gas connections 
should only be performed by an experienced, 
licensed/certified tradesman).
W
ARNING
Do not install the heater:
•
Where curtains, furniture, clothing, or
other flammable objects are less than 
42" from the front of the heater.
•
In high traffic areas.
•
In windy or drafty areas.
