Honeywell Magic Stat MS3000 Manuel utilisateur

Honeywell

Magic Stat

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

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.

69-802%2

TABLE 1—COMPATIBILITY CHART.

COMPATIBLE

SYSTEM TYPE WITH MS3000 SOLUTION

GAS

Standing Pilot

Gas Auto Ignition Systems

YES

—

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

Install MS 1010 Relay and Transformer.

OR OTHER “SELF-POWERED SYSTEMS

ZONE CONTROL VALVE

2-Wire Valve

YES

3-Wire Valve

Install MS 1010 Relay and Transformer.

OIL

MOST Roberrshaw

and Honeywell R8 184G require

MS 101 Q Relay and Transformer.

HEAT PUMPS

None. MS3000 is not compatible with heat pumps.

VENT DAMPERS

MOST Robertshaw

AVD-E-780-90

requires

MS1 01

Relay and Transformer.

MULTISTAGE

None. MS3000 is not compatible with multistage

systems.

LINE VOLTAGE SYSTEM

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

124A and L8 148A or Taco valves

-----

reaui~e

MSIOIQRelay

and

Transformer

TOOLS REQUIRED FORINSTALLATION

Assemble

ascrewdriver

andother

tools as

needed (below).

“,.00,R3WR’~::

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.

TURN OFF POWER

tosvstem

atthe

furnace, and original receipt.

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

purchase from packaging

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.

Loosen screws holdinothermostat to subbase.

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.

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

labeled. Keep the wires from falling back into the

wall by wrapping them around a pencil, as shown

Two extra wires?

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.

MOUNT THERMOSTAT

❑

Opendoo

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

/ “’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

appear

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.

and RH.

TABLE 2—WIRING GUIDANCE.

THERMOSTAT CONNECT TO

TERMINAL WIRE COLOR’

FUNCTfON

Green Fan

YYellow

Cooling

White Heating

Biue or Black Air Conditioning Power

RH Red

Furnace Power

‘Wire colors are typical; verify at heating system terminal strip.

69-80292

JUMPER

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.

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

—

I Close thermostat doors.

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

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.

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.

69-802&2

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