Advertisement
6
MOUNT THE THERMOSTAT
Note the tabs on the top inside edge of the thermostat
base. These fit the slots molded into the top of the
wallplate or subbase.
Hang the thermostat base on the wallplate or
subbase as shown in illustration.
Insert the two captive mounting screws located in
the bottom corners of the thermostat base (see
illustration); firmly tighten.
IMPORTANT: Do not cycle heating system until step 7 is
completed.
7
SET HEAT ANTICIPATOR LEVER
The thermostat adjustable heat anticipator must be
correctly set to accurately control the on-time length
of the system. An incorrect setting can result in room
temperature swings or burn out the anticipator and void the
thermostat warranty.
Make sure you have the current draw (anticipator setting)
for your system. This is the number you wrote in the box in
Step 3. If you were unable to find the current draw for Step 3,
this information can be found printed on the primary control
at the furnace or boiler. The primary control is usually a gas
SHOWS
VOLTAGE
RATING
V8043E 1004 4
24V 50/60CY
SHOWS
.32 AMP @ 60CY
ANTICIPATOR
SETTING
ZONE VALVE
Move the heat anticipator to match the number you
recorded in Step 3 or found on the primary control
as shown above, or as recorded in Step 7.
69-0394—3
valve, a relay or burner control box, Aquastat controller or
zone valve with the thermostat wires connected to it. These
controls are usually located behind the furnace cover. See
next illustration.
If current rating is still unavailable, proceed as follows:
• Connect the probes of an ac ammeter (0 to 2.0A for
• Let the system operate through the ammeter for at least
SHOWS
VOLTAGE
RATING
24 Vac 50/60 Hz
0.4 AMP
FROM MAIN
FUEL SUPPLY
TYPICAL GAS VALVE
IMPORTANT: Most hot water systems require a setting of
ANTICIPATOR
SCALEPLATE
ANTICIPATOR
SETTING LEVER
6
TAB (2)
MOUNTING SLOT (2)
1
35
30
2 0
WALLPLATE
THERMOSTAT
M3408
BASE
OR SUBBASE
example) between the R (or RH) and W terminals on
the wallplate or subbase.
one minute before taking reading. Record the reading
here
.
SHOWS
CURRENT
DRAW
TO
BURNER
SHOWS
ANTICIPATOR
SETTING
1.3 times the valve current rating.
M9616
JUMPER WIRES
CAPTIVE
MOUNTING SCREWS
OIL BURNER CONTROL
SHOWS
VOLTAGE
RATING
T
T
F
F
M6116B
Advertisement
