Venstar TSTATCCPB501, P474-1050, TSTATBBPB501 Installation Instructions Manual

Installation Instructions

TSTATCCPB501
TSTATBBPB501

P474-1050

Digital Thermostat

I,IOTE; Re_ i_ ¢*_-e Irmi_(_ _ h_ore sm_l_ _ inst_W_

00o_A

HEAT

COOL

&

HEAT

PUMP

MULTI-STAGE• PROGRAMMABLE

F;:r;,_:li_TSTAT.t G C.Ir_ell: _ _11U $_ _ h_ 13TS-TA42

PREPARATION 2
REMOVE OLD THERMOSTAT 3
INSTALL BACKPLATE & WIRE 4

WIRING DIAGRAMS 5
CALIBRATION 8

TEST OPERATION 9

TROUBLESHOOTING 10

CAUTION FollowInstollofior_InstrL_tior_carefully.

DISCONNECT POWER TO THE HEATER - ./_
AIRCONDmONER BEFORE REMOVING

THE OLD THERMOSTAT AND INSTALLING

THENEW 1HERMOSTAT. WARNING

Replacement Components Division _) Carrier Corporation 4/01

This device complies with Part 15 of the FCC rules.

Operation is subject to the following 2 conditions:

(1) This device may not cause harmful interference,
and (2) This device must accept any interference

received, including interference that may cause
undesired operation.

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Proper installation of the thermostat will be
accomplished by following these step
by step instructions. If you are unsure

about any of these steps, call a qualified
technician for assistance.

Assemble tools as shown below.

(when not using

Flat Blade Wire cutter j-box)
Screwdriver & Stripper

Make sure your Heater/Air Conditioner
is working propedy before beginning

installation of the thermostat.

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Carefully unpack the thermostat.
Save the screws, wall anchors, and

instructions.

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Turn off the power to the Heating/Air

Conditioning system at the main fuse

panel. Most residential systems have
a separate breaker for disconnecting
power to the furnace.

Remove the cover of the old thermostat.
If it does not come off easily check for

screws.

Loosen the screws holding the thermostat

base or subbase to the wall, and lift away.

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Disconnect the wires from the old
thermostat. Tape the ends of the wires

as you disconnect them, and mark them

with the letter of the terminal for easy

reconnection to the new thermostat.

Keep the old thermostat for reference
purposes, until your new thermostat is

functioning properly.

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Remove the backplate connector from the
rear of the thermostat. Installwires as directed

below. When finished, snap thermostat on to
backplate.

If the terminal designations on your old

thermostat do not match those on the

new thermostat, refer to the chart below,
or the wiring diagrams that follow.

Wire from the

old thermostat

Function

Install on the

new thermostat

terminal marked

GorF

YI.YorC

W1,Wor H

Rh. R, M, Vr.A

C

O/B

Y2

W2

RS+5

RS

RS G

CKI

CK2

Fan

Cooling
Heating

Power

Common

Re'/. Valve

2nd Stage Cool

2nd Stage Heat

RemoteSensor+5vd¢
ReooteSenso¢Signal
_note SensorGco_m

D_/_ S_etch1

OntContactS*_ch2

connector marked

G
Y1

W1,0,B

R

C*

Wl ,O,B**

Y2

W2

* C may not be used on all systems.

** O/B is used if your system is a Heat Pump.

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5 Wire, 1 Stage Cooling, t Stage Gas Heat

Resident;alGas orElectroHeat *,

O

II

24 va¢ common

fan relay

com0ressor relay

1st staae heat circuit

24 yac rehJm

* ff u_ing e_ctric heat this option must be

sek_cted on during advanced setup.

L

E

>-<1

C
G

>-<1

Y1

>,,<1

O

w1

R

Y2

>'-<'l

)IW2

4 Wire, 1 Stage Cooling, 1 Stage Gas Heat

O

]

Res_entiw Gasor ElectricHeat*,
ElectricCool, splitsystems&pac_Jage

units

fan r_lay

compressor relay

1st stan_ heat _r_uff

24 vac retum

*if usingelectricheatthis optionmustbe

selectedon duringadvancedsetup.

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L

E

C

G

Y1

O

N1

R

_2

V2

6Wire,2StageCooling,1StageHeat

Residential2StageCooling,with

0 Gasor ElectricHeat"

11

L

>-<1

E

24 rag common >_l

C

f_n mlsv >'<J

- G

_omoressor mlav _<

Y1

0

staae heat circuit >_lwl

1st

24 V_ return >-<i R

2nd staqe compressor relay x i y2

* ffusing electric heat, this option must W2

be se_Jed during advanced Setup. _J

ii

6 Wire, 1 Stage Cooling, 2 Stage Heat

O

w2 Y2 R Wl Y1 G C

bl

Residential & comrnem_l 1 Stage Cooling,
with 2 Stage Gas ot _ Heaff

Thermostat

24 vac common

fan relay

_omDrP_sor relav

1st staae heat circuit

24 van return

>-.<

>-<

2nd =t_n_ hP-nt PJrrJJff

_6

L

E
C

G

Y1

0

Wl

R

Y2

7Wire.2StageCooling,2StageHeatCommercialGasorF_-'tdcHeat_,

Be¢_ Cod, splitsystems& package ur_ts

Y2

O

Wl Y1 G C

[I

- Comme_hd hut num_ _not have

indudJng Commerce[ Heat pomps"

24 vac common

fan relay

comDreSSQr re_av

1st stage heat drcuit

24 vac return

2nd staqe compressor relay

2nd stone heat PJ_JJit

-- Ku_inge_c paat,_s opt_ must

tl_.heatpumptumed on in advanced_ebJp. be _el_ted o_du_ng_vat_ad ee_

5 Wire, 1 Stage Cooling, 1 _tage Heat - Heat Pump"

0

"ffu_ngm_c/_ heet pump, tt_ op_on

mustbe _elected_ dunngaovancede_up.

m

L

>'<IE

X

C

>_

G

Y1

>._

O

Wl

R

Y2
W2

.J

No a_0dliafyheat, residentialHeat Pumps.
spit systems& pad_ageunits

Thermostat

ii

24 vac common

fan relay G

cornoressorrelav

reversina valve YOf

24 va_ return

,__v2

6 Wire, 1 Stage Cooling, 2 Stage Heat, Heat Pump *

0 Most reside_aJ split _md package heat pumps

W2 _r2 W,1 YI G with_Jxil_ar/heat

24 v_c common ><

f_n relay I

>..<

comeressor relay >'<

1st staae heat circuit >'<

>-<

24 vac return >'<

>_

• The heatpumpoptionmustbeselected
on durtugadvancedsetup.

L
E

C

G

Y1

0

N1

R

_2

V2

Every thermostat is calibrated before it leaves the factory.
Under normal circumstances there will never be a need to

recatibrate the thermostat again.
To accommodate specialneeds, the thermostat may be recalibrated
following these steps:

1. While holding the mode button in, press the down button for
2 seconds. After allthe icons in the display appear, release

the buttons,

2. Press the mode button.

3. Press the up or down buttons until the flashing number
equals the current room temperature.

4, Press the mode button to return to normal operation.

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(_ urn the power on to the Heating/Air

Conditioning system.

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Press the MODE button repeatedly until

the HEAT icon appears on the display.
Press the Up or Down buttons until the set

temperature is 10 degrees above room
temperature. The furnace should turn on.

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Press the MODE button repeatedly until

the COOL icon appears on the display.

Press the Up or Down buttons until the set
temperature is 10 degrees below room

temperature. The air conditioner should
turn on. NOTE: Most equipment has a

time delay of 5 minutes between cool
cycles. This feature is defeatable on the

thermostat. Consult the Owner's Manual
under Setup, cycles per hour.

(_ ress the MODE button to OFF. Press

the FAN button to Fan On, The fan

should turn on and run continuously.

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_SYMPTOM: When using 4 wires (R, G, W, Y),

the air conditioning or heat equipment tries

repeatedly to turn on, but cannot. At
times the display dims or disappears.

CAUSE: There is not enough power available

to "power share".

REMEDY: Connect a 270 ohm, 10 watt power

resistor at the furnace as shown below.

For ProblemAJC ForProblemHeat

SYMPTOM: The air conditioning does not

attempt to turn on.

CAUSE: The compressor timer lockout may

prevent the air conditioner from

turning on, for a period of time.

REMEDY: Consult the Owner's Manual in

the Setup section to defeat the
cycles per hour and compressor

timeguard.

SYMPTOM: The display is blank.
CAUSE: Lack of proper power.

REMEDY: Make sure power is turned on to

the furnace and that you have 24vac

between R & W. IfC is used, 24vac
between R & C,

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SYMPTOM: The air conditioning does not

attempt to turn on.

The cooling setpoint is set too

high.

REMEDY: Consultthe Owner's Manual in

the Setup section to lower the
cooling setpoint limit.

SYMPTOM: The heating does not attempt

to turn on.

CAUSE: The heating setpoint is set too

low.

REMEDY: Consult the Owner's Manual in

the Setup section to raise the

heating setpoint limit.

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SYMPTOM: When controlling a residential heat

pump, and asking for cooling, the heat
comes on.

CAUSE: Heat pump is not selected "on" inthe

Advanced Setup.

REMEDY: Select heat pump on during Advanced

Setup programming. Consult the Owner's

Manual.

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SYMPTOM: When calling for cooling, both

the heat and cool come on.

_C_AUSE:The Advanced Setup is configured

to control a heat pump, and the hvac
the thermostat iscontrolling isa

"conventional" (non heat pump)
system.

REMEDY: Consult the Owner's Manual in

the Advanced Setup section to turn
off the heat pump.

_TAR TSTATCCPl_501

P474-1_

_h FCC Standa_

FOR HOME O_ OFFICE U_

4Z95

PIN 88-335

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