General Information; Vent Free Features; Unpack The Firebox; Optional Accessories - Vermont Castings UVS27R Owner's Manual

Vent Free Features

The UVS27R and UVS27M Gas Heaters are unvented
gas appliances tested and listed to the ANSI standard
Z21.11.2a-1997. The Vent Free Gas Heater is config-
ured to use Natural Gas, (UVS27RN and UVS27MN) or
Propane (UVS27RP and UVS27MP). Because these
heaters are clean-burning and highly energy-efficient,
no venting system is required.
The firebox is shipped completely assembled and
ready for installation with either the Stardance (SUV) or
the Pinnacle (PUV) shell assemblies.
The firebox assembly is composed of the NG or LP
Burner, a base plate, firebox and screen. The log set,
burner tube, gas valve and pilot comprise the Burner
assembly. (Fig. 1)
The UVS27M is equipped with SIT control for manual
use only.
The UVSR is equipped with a Honeywell control
valve that allows thermostatic control, on/off switch or a
remote switch (not supplied).
Both models incorporate variable regulators that
allow you to adjust burner heat output between HIGH,
(28,000 BTU), and LOW, (19,500 BTU). See the
Operation Section for details.
The standing pilot incorporates an Oxygen Depletion
System (ODS/pilot) which shuts off gas flow to the

Unpack the Firebox

Remove the firebox assembly from the shipping carton
and inspect it for loose or damaged parts. The burner,
firebox and base plate should all be secured as a unit.
Do not install this appliance if any parts are loose or if
there is any visual or suspected damage resulting from
shipping or handling. Report damage to your dealer/
distributor immediately. The log set is packaged in the
box shipped inside the firebox.
To remove the packaged log set from the firebox,
swing the cam latch outward, remove the screen frame,
remove box and set aside. Contact your dealer if the
burner is loose or damaged in any way.

General Information

Vermont Castings UVS27
UVS27 Specifications
Fuel
Manifold Pressure
Min./Max.
Min. Inlet Supply
Pressure for adjustment:
Max. Inlet Supply
Pressure for adjustment:
Min. Output, BTU/hr:
Max. Output, BTU/hr:
Ignition:
Firebox Weight/shipping:

Optional Accessories

• Fan Kit 2960/FK28 is available to enhance circula-
tion of heated air into the living areas.
• Glass Panel / Catalytic Combustor Kit UVGDCK
• Warming Shelf; Classic and all porcelain enamel
colors.
This appliance may be installed in an aftermarket*
manufactured (mobile) home, where not prohibited
by state or local codes.
This appliance is only for use with the type of gas
indicated on the Rating Plate. This appliance is not
convertible for use with other gasses.
*Aftermarket: Completion of sale, not for purpose of resale, from the
manufacturer.
Safety
Screen
Supply
Line Inlet
OFF/ON/Pilot
Control Knob
Variable Regulator
Fig. 1 UVS27 gas firebox.
UVSRN UVSRP
UVSMN UVSMP
NG LP
1.7"/3.5" 5.4"/11.0" (RP)
4.4"/10.0" (MP)
5.0" w.c. 11.0"w.c.
8.0"w.c. 12.0"w.c.
19,500 19,500
28,000 28,000
Piezo
110 lbs.
Piezo Ignitor
Honeywell or
SIT Control
Valve
ST100
5
m