5
GCUF/GRUF Vent-Free Fireboxes
Monessen • GCUF/GRUF Owner Manual • 71D0530 • Rev G • 01/20
GENERAL INSTALLATION INFORMATION
The new GCUF and GRUF Series are vent-free fireboxes.
They feature a self contained heat-circulating system.
This installation manual will enable you to obtain a safe,
efficient and dependable installation of your vent-free
fireplace system.
Do not alter or modify the firebox or its components under
any circumstances. Any modification or alteration of the
firebox system, including but not limited to the firebox and
accessories, may void the warranty, listings and approvals
of this system and could result in an unsafe and potentially
dangerous installation.
BEFORE YOU START
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 the parts in good condition.
MAKE SURE YOU HAVE RECEIVED ALL
PARTS
Check that all listed parts have been received. You should
have the following:
1. Vent-Free Gas Firebox
2. Canopy
3. Installation and Operating Instructions
4. Five (5) sheet metal screws for canopy
WHAT YOU WILL NEED FOR INSTALLATION
TOOLS and BUILDING SUPPLIES
•
Phillips screwdriver
•
Square
•
Framing materials
•
Hammer
•
Saw and / or saber saw
•
Tee joint
•
Level
•
Pipe wrench
•
Measuring tape
•
Pliers
•
Electric drill and bits
•
Fireplace surround materials
(noncombustible)
•
Caulking material
(noncombustible)
•
Wall finishing materials
•
Piping complying with local codes
•
Pipe sealant approved for use with propane/L.P.G.
(resistant to sulfur compounds)
Refer to the installation instructions provided with the log
sets for items required for log set installation.
In planning the installation for the appliance 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. Position firebox prior to framing or into prepared fram
-
ing.
2. Field wire main power supply to models with fan kit.
(Electrical connections should only be performed by an
experienced, licensed /certified tradesman).
3. Plumb gas line. (Gas connections should only be per-
formed by an experienced, licensed/certified trades
-
man).
4. Install vent-free gas log heater per the instructions
provided with the vent-free gas log heater.
5. Complete finish wall material, surround and optional
hearth extension to your individual taste.
