Honeywell Magic Stat MS3000 Manuel utilisateur
Honeywell
Magic Stat
Q
MS3000
Microelectronic
HEATING OR HEATING/COOLING
THERMOSTAT
For most 24 V gas heating, oil heating and electric cooling control systems. Not
for multistage or heat pump systems.
INSTALLATION MANUAL
IMPORTANT
This thermostat
may be programmed either before or after installation. If programming before installation,
install a 9 V alkaline battery (purchase separately) in the thermostat, and refer to Owner’s Manual form
number 69-8026 for programming instructions.
S.M.
Rev. 7-9o
Form Number 69-S025-2
Honeywell Inc. 1990
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1
PREPARATION
Your new thermostat is compatible with most
24 V furnace systems, and in most cases, should
not require additional accessories for proper opera-
tion. Table 1 lists the exceptions which require an
isolating relay or relay and transformer. Review
Table 1 to determine if your system requires the
accessory. If so, you may use the order form at the
end of this booklet. Detailed relay installation in-
structions are provided along with the accessory.
The isolating relay is a device used for heating
systems where the voltage in the control circuit is
interrupted during part of the furnace’s cycle, cut-
ting off power to the thermostat. The isolating relay
supplies the thermostat with a constant 24 volts,
eliminating any power interruptions to the thermo-
stat. The thermostat then receives its operating
voltage directly from the 24 V transformer, allowing
for operation of your thermostat.
Any questions concerning your system’s com-
patibility with your thermostat may be directed to
Honeywell Consumers Affairs at their toll-free
number, 1-800-468-1502.
1
69-802%2
TABLE 1—COMPATIBILITY CHART.
COMPATIBLE
SYSTEM TYPE WITH MS3000 SOLUTION
GAS
Standing Pilot
Gas Auto Ignition Systems
I
YES
I
—
MOST
If display goes blank shortly after powering up
thermostat for the first time. install MS1OOQ for
Z-wIre
heating or 4-wire heating/cooling systems;
install MS1OICl
for5-wire
heating/cooling system.
MILLIVOLT, POWERPILE GAS CONTROL
NO
Install MS 1010 Relay and Transformer.
OR OTHER “SELF-POWERED SYSTEMS
ZONE CONTROL VALVE
2-Wire Valve
YES
3-Wire Valve
NO
Install MS 1010 Relay and Transformer.
OIL
MOST Roberrshaw
and Honeywell R8 184G require
MS 101 Q Relay and Transformer.
HEAT PUMPS
NO
None. MS3000 is not compatible with heat pumps.
VENT DAMPERS
MOST Robertshaw
AVD-E-780-90
requires
MS1 01
Q
Relay and Transformer.
MULTISTAGE
NO
None. MS3000 is not compatible with multistage
systems.
LINE VOLTAGE SYSTEM
NO
Consult qualified installer to install relay
R841C.
ELECTRIC HEAT POSSIBLY If fan doesn’t
come
on with heat, call Consumer
Affairs. Seepage 1 fortoll-free number.
HYDRONIC
MOST
Honeywell
L8
124A and L8 148A or Taco valves
..
-----
.
.
1
I
reaui~e
MSIOIQRelay
and
Transformer
TOOLS REQUIRED FORINSTALLATION
n
Assemble
ascrewdriver
andother
tools as
U
needed (below).
7
~
“,.00,R3WR’~::
1
FLAT BLADE DRILL WITH 3/1 6 INCH
SCREWDRIVER DRILL BIT. IF NEEDED TO
DRILL HOLES IN WALL
=s”
WIRE CUTTER6TRIPPER OR SHARP KNIFE,
IF NEEDED TO STRIP WIRES
❑
Tes~ito
makecerta
m that your heating and
coo
ngsystems
are working properly. If either
does not work, contact you r local heating/air
conditioning dealer, To avoid compressor damage,
do not operate the cooling system if outdoor
temperature is below 50” F[10° C].
lpl@l
KaN
SPIRIT LEVEL, 1 F NEEDED TO LEVEL
THERMOSTAT FOR APPEARANCE
,,.sss.
2
m
TURN OFF POWER
tosvstem
atthe
furnace, and original receipt.
U
and at the fuse/circuit breaker panel.
❑
Caref~!YunPa~yournewthermostat.Save ❑
Peel backing off QUICK GUIDE; adhere to
inside of thermostat’s right-hand door.
mstru
ions,
proof
of
purchase from packaging
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4)
2
REMOVE OLD THERMOSTAT
❑
!oesn?snapoffwhen
pulled
firmfy
from the
emove cover from old thermostat. If it
bottom, check for a screw that locks the cover on.
n
Loosen screws holdinothermostat to subbase.
U
wallplate
or wall, and
~ft
away.
If your old thermostat is attached to a
junction box in the wail, It is likely thst
120 V are present. DO NOT PROCEED.
Call a qualified electrician.
m
Disconnect wirea from old thermostat or
sub-
U base. As you disconnect each wire, use mask-
ing tape to label it with the old terminal designation.
If there are only two wires, they don’t need to be
3
labeled. Keep the wires from falling back into the
wall by wrapping them around a pencil, as shown
Two extra wires?
If
you are replacing a Honeywell
Chronotherm
thermostat, you may find two wires that go to the
clock terminals on the Chronothermthermostat
wiring wallplate.Disconnect the wires, and wrap
them separately, using electrical tape. Do not wrap
them together. Place the wires where they will not
interfere with the operation of the new thermostat.
Record the colors and terminal designation labels
of the rest of the wires.
69-8025-2
Six or more wires? Three thermostat wires?
if there are
six or more wires (excluding clock Some hot water heating systems have three
wires), you most likely have a variation of a heat
thermostat
wires. These systems require an
pump or multistage system. The thermostat is not isolating relay. See order form at the end of this
compatible with such systems. Return the product bookiet
for ordering details.
to the place of purchase.
3
MOUNT THERMOSTAT
❑
Opendoo
rs
of thermostat.
•1
Position thermostat on wall. Use spirit level to
make sure thermostat will be level. Mark the
upper slots and one of the lower hole locations on
the wall with a pencil.
SPIRIT LEVEL
4
/ “’o’
•1
Remove thermostat from wall, and drill holes
in wall as marked. Gently tap anchors
(provided) into drilled holes until flush with the wall.
Reposition thermostat over holes. Insert
❑
twoscrewsintotop
slots and tighten;inseri
screw in bottom hole and tighten.
NOTE: Th
level
fo
appear
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4
WIRE THERMOSTAT TERMINALS
NOTE: If unsure about household wiring Match the letter of your old thermostat wire with
procedures,
cali
Honeywell Consumer Affairs the appropriate letter of your new thermostat
Monday-Friday,
7:30
a.m.
-4:OO
p.m., Central terminal. Refer to figures on page 6 and Table 2 for
time, 1-800-468-1502. additional guidance and typical wire colors for easy
matching. Also note the need to retain or remove
Refer to notes you made on wire labels when the factory-installed jumper
mnnecting
terminals
you removed old thermostat.
RC
and RH.
TABLE 2—WIRING GUIDANCE.
THERMOSTAT CONNECT TO
TERMINAL WIRE COLOR’
FUNCTfON
G
Green Fan
YYellow
Cooling
w
White Heating
RC
Biue or Black Air Conditioning Power
RH Red
Furnace Power
‘Wire colors are typical; verify at heating system terminal strip.
5
69-80292
JUMPER
4
TE
2-WIRE SYSTEM:
CONNECT WIRES TO
W AND RH IN
ANY
ORDER:
LEAVE
RC.RH
JUMPER INTACT.
4.wIRE
sYSTEM:
LEAVE
RC.RH
JUMPER INTACT.
5.WIRE
SYSTEM
%i%:T:F!k%h&.&,:
REMOVE
RC-RH
JUMPER.
c1
Loosen the terminal
screws, slip each wire
beneath its matching terminal, and tighten
screw until
all wires have been connected.
•1
If you have not done so already, press the
battery connector onto a 9V alkaline battery
(purchase separately). Place battery in the battery
holder.
BATTERY
CON
+=
TERMINALS
Ml 432
6
—
\
I Close thermostat doors.
u
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b
a
CHECK THERMOSTAT
@
OPERATION
. Do not check heating system operation by
jumperingthermostat terminals at the primary
control. This will damage the thermostat. The
primary control is usually a gas valve, a relay
or burner control
bx
located behind the
furnace cover, an Aquastat controller or zone
valve with the thermostat wires connected to
it.
. To avoid
pessible
compressor damage, do
not operate the cooling system if the outside
temperature is below 50° F [1 O“ C]. See com-
pressor manufacturer’s instructions for further
information.
RESTORE POWER TO THE SYSTEM.
CHECKING HEATfNG OPERATION
1. Hold HEAT button to enter heat temperature 2°
above room temperature.
2.
3.
Let the furnace cycle through one complete
cycle.
If the display goes blank at any time during the
cvcle,
see TROUBLESHOOTING section of the
Owner’s Manual.
CHECKING
COOLING OPERATION
1. Hold COOL button to enter an air conditioning
temperature 2° below room temperature.
2. Allow the air conditioner to go through one
complete cycle.
3. If the display goes blank at any time during the
cycle, see TROUBLESHOOTING section of the
Owner’s Manual.
NEXT, REFER TO THE OWNER’S MANUAL
FORM NUMBER 69-8026 FOR PROGRAMMING
AND OPERATING INSTRUCTIONS.
7
69-802&2
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