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20 U37 Regency ULTIMATE Rear Vent Direct Vent Freestanding Gas Heater
OPTIONAL WALL
THERMOSTAT
A wall thermostat may be installed if desired.
Connect the wires as per the wiring diagrams.
Note that the wires are connected to the "TH"
on the gas valve. Use table below to determine
the maximum wire length:
Note: Preferable if the thermostat is in-
stalled on an interior wall.
Regency offers an optional programmable ther-
mostat but any 250-750 millivolt rated non-
anticipator type thermostat that is CSA, ULC or
UL approved may be used.
CAUTION
Do not connect the millivolt
wall thermostat wires
to the 120V wires.
LOUVER
INSTALLATION
Attach the top & bottom louvers to the side stove
panel using 2 screws per side.
Thermostat Wire Table
FINAL CHECK
Before leaving this unit with the customer, the
installer must ensure that the appliance is firing
correctly. This includes:
1) Clocking the appliance to ensure the cor-
rect firing rate (rate noted on label) at 15
minutes.
2) If required, adjusting the primary air to
ensure that the flame does not carbon. First
allow the unit to burn for 15 min. to stabilize.
CAUTION
Any alteration to the product that causes
sooting or carboning that results in dam-
age to the exterior facia is not the respon-
sibility of the manufacturer.
OPTIONAL REMOTE
CONTROL
Use the Regency Remote Control Kit approved
for this unit. Use of other systems may void your
warranty.
The remote control kit comes with a hand held
transmitter, a receiver and a wall mounting
plate.
1) Choose a convenient location on the wall to
install the receiver and the receptacle box
(protection from extreme heat is very impor-
tant). Run wires from the fireplace to that
location, use Thermostat Wire Table.
2) Connect the wires as per the wiring diagram
above.
CAUTION
Do not connect the millivolt remote
control wires to the 120V wires.
3) Install 3 AAA alkaline batteries in transmitter
and 4 AA alkaline batteries in the receiver.
Install the receiver and its cover in the wall.
Switch the remote receiver to "remote"
mode. The remote control is now ready for
operation.
INSTALLATION
14 GA.
16 GA.
18 GA.
20 GA.
22 GA.
50 Ft.
32 Ft.
20 Ft.
12 Ft.
9 Ft.
Recommended Maximum Lead Length
(Two-Wire) When Using Wall
Thermostat (CP-2 System)
Wire Size Max. Length