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HUNTER
MECHANICAL THERMOSTAT
INSTALLATION INSTRUCTIONS
HEAT ONLY
HEAT/COOL
40020
MODEL
40035
40040
NUMBERS
40060
40050
40070
READ THIS BEFORE INSTALLATION
1) Read the entire installation section before
beginning to install your HUNTER
thermostat.
2) All installation is done at your thermostat.
There is no need for modifications to your
furnace wiring or furnace.
3) Your HUNTER thermostat is designed to
operate with gas, oil, electric or forced hot
water heating and air conditioning
systems using 24 volt or millivolt controls
and relay currents up to 1.0A. Such
systems represent the great majority of
residential central heating and air
conditioning units in the United States.
4) This thermostat is not designed to
operate with heat pump systems, high
voltage electric base-board, electric
ceiling or multistage heating and cooling
systems.
THERMOSTAT REMOVAL
1) Turn your present thermostat to the OFF
position. Turn off the power to the
heat/cooling system at the main power
panel to avoid cycling of your system.
2) Expose the wiring terminals on the
existing thermostat, and they are generally
on the baseplate. Before removing any
wires determine the terminal markings for
each wire. Then based on Table A apply
the self-adhesive labels provided to the
corresponding wires. (For example, attach
the label marked "W" to the wire going to
the W or H terminals on your present
thermostat.)
NOTE: IGNORE THE COLOR OF THE
WIRES since these do not always
comply with the standard.
3) Once all wires are labeled, disconnect the
wires from the thermostat.
4) Remove existing wallplate.
5) If the hole in the wall is larger than
necessary for wires, seal the hole up, so
that no hot or cold air can enter the back
of the thermostat. This air can cause a
false reading from the thermostat.
If the code letter on your
then mark wire
and connect to thermostat
existing thermostat is
with label shown
Terminal shown
RH, R,
VR or 4
RH
24 Volt
RC, VC
24 Volt Cool
RC
G or F
Fan
G
Y, C or M
Air Conditioning
Y
YELLOW
W or H
Heating
W
NOTE: If your system has one wire
marked R or RH (4-wire system), then
leave the jumper J2 (4W) on the circuit
board connected to both terminals.
Otherwise, if you have separate RH and
RC wires (5-wire system), then jumper J2
should be placed on only one of the
terminals. Refer to the figure.
INSTALLATION
1) Gently remove the cover from the base
of your HUNTER thermostat by pulling
the base with one hand and the cover
with your other hand.
2) Position the baseplate against the wall
and feed the wires through the two
openings above the wire terminals.
3) Using the screws and anchors provided,
attach the baseplate securely to the wall.
This thermostat does not have to be level.
4) Connect wires to the proper terminals as
shown in the table. Ignore any wires that
may be present if they were not
connected to your previous thermostat.
The wires should not interfere with
thermostat operation.
5) Adjust the heat anticipator adjacent to the
current draw of the heating system. You
may find this information listed in the
specifications in your furnace manual or
on the relay or gas valve the thermostat is
connected to. To increase the heat cycle
time, slide the wiper in the direction of the
arrow; and for shorter cycles just opposite
the arrow.
NOTE: For millivolt applications set to the
highest setting then make adjustments
per the above steps.
6) On models 40035, 40060 and 40070 there
is a heating system selector for either
gas/oil systems or electric heat systems.
For gas/oil heat systems, the jumper J1
should remain inserted into the center and
RED
"G/O" terminals. For electric heat
systems, the jumper J1 should be inserted
into the center and "E" terminals. Refer to
BLUE
the figure.
7) Line up the front cover with the baseplate
and carefully snap into place.
8) Make sure that the Heat/Off/Cool
GREEN
system switch is in the OFF position
before returning power.
Jumper Settings
J1
WHITE
E
G/O
E
G/O
Gas/Oil
Electric
4-Wire
Heat
Heat
System
OPERATION
1) Models 40020, 40040 and 40050 are heat
only thermostats and have only the
temperature selector. Models 40035,
40060 and 40070 are heat/cool
thermostats and have three switches: the
temperature selector, the heat/off/cool
system on the left side of the front cover,
and the fan on/auto selector on the right
side of the front cover.
2) To select the desired temperature,
position the selector at the temperature
setting on the front cover.
3) To select heat/off/cool or fan on/auto,
slide the respective switch to the
operation desired.
TECHNICAL ASSISTANCE
For technical assistance and support, call
901-745-9222 between 8 a.m. and 5 p.m.
Central Standard Time.
HUNTER LIMITED WARRANTY
The Hunter Fan Company warrants your
Hunter thermostat to be free from defects in
material and workmanship for a period of
one year from the date of sale to the original
user or consumer purchaser.
If your Hunter thermostat malfunctions or
fails within the warranty period because of a
defect in material or workmanship, Hunter
will replace it.
This warranty is in lieu of all other
express warranties. The duration of any
implied warranty including but not limited
to any implied warranty of merchantibility
or fitness for a particular purpose, made
J2
in respect to your Hunter thermostat is
limited to the period of the express
warranty set forth above.
This warranty is voided if your Hunter
thermostat is not purchased and installed in
4W
4W
the U.S.A. This warranty excludes and does
5-Wire
not cover defects, malfunctions, or failures
System
of your Hunter thermostat which were
caused by repairs by persons not authorized
by Hunter, mishandling, improper
installation, modifications or damage to the
Hunter thermostat while in your possession,
or unreasonable use, including failure to
provide reasonable and necessary
maintenance.
Return your product, along with proof of
purchase, to Hunter Fan Co. Service
Department, 2500 Frisco Ave., Memphis, TN
38114. You will be responsible for all
insurance and freight or other transportation
charges to our factory. We will return your
Hunter thermostat at Hunter's expense. Your
Hunter thermostat should be properly
packed to avoid damage in transit as you
are responsible for any such damage.
The Heat
Anticipator
In no event shall Hunter Fan Company be
can be
liable for consequential or incidental
adjusted to
damages. Some states do not allow
increase or
limitation on how long an implied
decrease
warranty lasts or the exclusion or
the length
limitation of incidental or consequential
of cycles
damages so the above limitations or
exclusions may not apply to you. This
warranty gives you specific legal rights
and you may also have other rights which
vary from state to state.
HUNTER FAN COMPANY
2500 FRISCO AVENUE
M E M P H I S , T N 3 8 1 1 4
®
1996 Hunter Fan Co. Form # 41259
7/98
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