Xiamen Smarttek PCT503-W User manual

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PCT503-W!Thermostat!
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Quick!Start!Guide

2!
1. Introduction!
!
The!PCT503-W!Thermostat!allows!you!to!control!the!thermostat!
remotely!using!a!mobile!phone.!It!can!control:!
! Heating:!one!and!two!stages!(W1,!W2)!
! Cooling:!one!and!two!stages!(Y1,!Y2)!
! Heat!pump:!with!auxiliary!and!emergency!heat!
! Fan!(G)!
! Power!(C,!RH,!RC)!
!
2. Get!to!know!your!device!
!
2.1. PCT503!at!a!glance!
!
!
!
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Display!
LED!indicator!
Rotary!button!
Movement!Sensor!

3!
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2.2. Buttons!Introduction!
!
Rotary!button! !
! Choose!options!
! Confirm!options!
!
Home!button! !
! Switch!between!home!screen!and!date!&!time!screen!
!
Away!button! !
! Switch!between!home!screen!and!away!screen!
!
Home!button!
Away!button!
Hold!button!

4!
Hold!button! !
! Enter!“Permanent!hold”! !
Tips:&operational&details&will&be&described&below.&
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2.3. LED!Indicator!
!
The!LED!indicator!status!is!as!below:!
LED!status!
What!it!means!
Red!Flashes!
The!device!has!not!joined!a!network.!
Alternately!flashing!in!RGB!
Thermostat!initializing.!
Green!solid!on!
Entering!update!mode.!
Green!flashes!
In!the!process!of!updating!
!
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2.4. Activity!sensor!
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Activity!sensor!is!used!to!detect!the!activity!so!that!the!display!could!
be!on/off!automatically.!
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2.5. Display!
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2.6. Icon!introduction!
!
icon!
What!it!means!
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System!
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Fan!
!
Home!
!
Schedule!
!
Settings!
!
Done!
!
!
Status!
Target! !
Temperature! !
Current!
Temperature! !
Current!
Humidity! !

6!
3. Get!started!
To!get!started,!you!will!need:!
! A!PCT503-W!Thermostat!
! The!SmartOWON!mobile!app!
!
Then!follow!the!steps!below:!
!
Step!1:!Install!the!PCT503!Thermostat.!
!
Please!follow&the&Installation&Guide&on!page!10&to!install!this!device.!
!
Step!2:!Set!to!suit!your!HVAC.!
After!installing,!press!the!rotary!button,!and!then!follow!the!setup!
guide.!
!
Step!3:!Follow!the!guide!on!the!PCT503!thermostat!to!connect!to!
your!mobile!phone.!It!will!lead!you!to!the!main!login!screen!once!the!
device!is!successfully!connected!to!the!phone.!Then,!you!can!log!in!
and!remotely!control!the!thermostat.!
!

7!
& &

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4. !Technical!Specifications!
!
SOC!Embedded!Platform!
CPU:!Cortex!–M4!
RAM:!192K!
Multiple!Sensor!
Temperature,!Humidity,!Motion!
Power!Supply!
AC!24V!
LCD!Screen!
3.5’’!TFT!Color!LCD!
320!x!480!pixels! !
Dimensions!
160!(L)!x!87.4(W)!x!33!(H)!mm!
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5. Safety!Notice!
This!equipment!has!been!tested!and!found!to!comply!with!the!limits!
for!a!Class!B!digital!device,!pursuant!to!part!15!of!the!FCC!Rules.!
These!limits!are!designed!to!provide!reasonable!protection!against!
harmful!interference!in!a!residential!installation.!This!equipment!
generates,!uses!and!can!radiate!radio!frequency!energy!and,!if!not!
installed!and!used!in!accordance!with!the!instructions,!may!cause!
harmful!interference!to!radio!communications.!However,!there!is!no!
guarantee!that!interference!will!not!occur!in!a!particular!installation.!
If!this!equipment!does!cause!harmful!interference!to!radio!or!
television!reception,!which!can!be!determined!by!turning!the!
equipment!off!and!on,!the!user!is!encouraged!to!try!to!correct!the!
interference!by!one!or!more!of!the!following!measures:!
!
-!Reorient!or!relocate!the!receiving!antenna.!
-!Increase!the!separation!between!the!equipment!and!receiver.!
-! Connect! the! equipment! into! an! outlet! on! a! circuit! different! from!
that!to!which!the!receiver!is!connected.!
-!Consult!the!dealer!or!an!experienced!radio/TV!technician!for!help!
!
Changes!or!modifications!not!expressly!approved!by!the!party!
responsible!for!compliance!could!void!the!user’s!authority!to!
operate!the!equipment.!This!device!complies!with!Part!15!of!the!FCC!
Rules.!Operation!is!subject!to!the!following!two!conditions:!
!
-!This!device!may!not!cause!harmful!interference,!and!
-!This!device!must!accept!any!interference!received,!including!
interference!that!may!cause!undesired!operation.!
RF Exposure Warning Statements:
This equipment complies with FCC radiation exposure limits set forth
for an uncontrolled environment. This equipment shall be installed and
operated with minimum distance 20cm between the radiator & body.
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WARNING:!Failure!to!follow!these!safety!notices!could!
result!in!fire,!electric!shock,!other!injuries,!or!damage!to!
the!device!or!other!property.!Read!all!the!safety!notices!
below!before!using!the!device.!
!
! Avoid!high!humidity!or!extreme!temperatures.!
! Avoid!long!exposure!to!direct!sunlight!or!strong!ultraviolet!light.! !
! Do!not!drop!or!expose!the!unit!to!intense!vibration.!
! Do!not!disassemble!or!try!to!repair!the!unit!yourself.!
! Do!not!expose!the!unit!or!its!accessories!to!flammable!liquids,!
gases!or!other!explosives.!
! !

11!
6. Installation!Guide!
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6.1. In!the!box!
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Thermostat!
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!
Wiring!Module!SWB511!(Optional)!
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!

12!
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6.2. Thermostat!Installation!
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Step!1:!Turn!power!off!
This!protects!yourself!and!your!equipment.!Turn!off!the!power!at!
the!breaker!box!or!switch!that!controls!your!heating/cooling!system.!
And!please!check!that!your!system!is!off.!
!
!!!!!!!!!!!!!!!Breaker!box! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! Switch!
!
Step!2:!Remove!the!old!thermostat’s!cover!
Some!covers!pop!off,!while!others!need!to!be!unscrewed!
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Step!3:!Check!your!system!
!
! !
CAUTION:!Do!not!connect!PCT503!thermostat!to!high!
voltage!wires.!
!
If!your!old!thermostat!is!labeled!120V!or!240V!or!has!thick!wires!
with!wire!nuts,!your!system!is!high!voltage.!If!you!are!not!sure,!
please!contact!support.!
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Step!4:!label!wires!with!Tags!
!!!!!!!!!! !
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Terminals!
What!it!means!
RC! !
24V!AC!power!from!Cooling!transformer!
RH!
24V!AC!power!from!Heating!transformer!
W1!
1st!stage!Primary!heating!relay!/!Aux!heat!
W2!
2nd!stage!Secondary!heating!relay!/!Aux!heat!
Y1!
1st!stage!Primary!cooling!compressor!contactor!
Y2!
2nd!stage!Secondary!cooling!compressor!contactor!
G!
Fan!relay!
C!
*24V!AC!common!
O/B!
Changeover!valve!for!heat!pumps!
S!
Wiring!Module!Connection!
*!
Multiple!use!reserved,!including!but!not!limited!to:!
emergency!heat!line,!humidifier!control!
!
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Label!the!wires!using!
wire!labels!as!you!
disconnect!them!

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Step!5:!Install!the!wiring!module!(Optional)!
Note:&Check&your&wires,&see&if&there's&C-wire.&If&you&have&the&C-wire,&
skip&this&step&5&and&go&to&step&6,&if&you&don't&have&the&C-wire,&go&on&
step&5.&
!
The!C-wire!provides!power!to!the!smart!thermostat,!if!you!don't!
have!a!C-wire!in!your!old!system,!you!need!to!install!the!wiring!
module!to!use!the!exiting!wires!to!power!your!thermostat.!
!
1.!Find!the!control!board!of!your!HVAC!system,!use!the!tags!
provided!to!label!the!wires!from!the!control!board!to!the!
thermostat.!
!
2.!Disconnect!the!R/RC,!W-O/B,!Y,!G!wires!form!the!control!board!
and!reconnect!them!correspondingly!to!the!4!terminals!side!of!the!
wiring!module.!For!Y-wire!and!G-wire,!you!can!connect!the!Y-wire!to!
S-terminal,!G-wire!to!C!terminal,!then!change!the!label!of!the!Y-wire!
to!the!S-wire,!the!G-wire!to!the!C-wire.!Take!a!picture!of!your!wires!
with!new!label!to!help!you!remember.!
!
Control!board!
Thermostat!

15!
3.!Generally!the!control!board!will!have!R,!G,!Y,!W,!C!terminal,!
connect!the!prewired!side!of!the!wiring!module!(5!terminals)!to!the!
corresponding!terminals.!
! !
!
4.!Install!your!control!board!
!
!! ! ! !
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Replace!the!Y-wire!tag!with!the!S!tag!and!the!G-wire!tag!with!
the!C!tag!
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Terminals!to!
Thermostat!
Terminals!from! !
the!control!board!

16!
Step!6:!Remove!the!old!thermostat!base!
!
Unscrew!the!old!thermostat!base!from!the!wall,!gently!pull!it!out!
and!ensure!wires!not!fall!back!into!the!hole!in!the!wall.!
!
Step!7:!Attach!the!base!of!the!PCT503!to!the!wall!
!
Bundle!and!insert!wires!through!the!hole!in!the!base!of!the!PCT503,!
then!attach!the!base!to!the!wall!with!the!screws.!
!
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Step!8:!Connect!wires!
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Connect!wires!to!the!corresponding!terminal!in!the!base.!If!you!have!
installed!a!wiring!module!in!step!5,!use!the!picture!to!help!you!
remember!the!name!of!wires.!
Take!a!picture!of!the!wires!when!you!done!to!help!you!remember,!
you!will!be!asked!for!the!wiring!configuration!in!the!setup!wizard.!
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Step!9:!Switch!the!DIP!switch!
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Switch!the!DIP!switch!in!the!back!of!the!thermostat!to!RC!if!you!have!
connected!both!RC-wire!and!RH-wire!to!the!wall!plate,!otherwise!
switch!it!to!the!RC&RH!side.!
!
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Step!10:!Attach!the!PCT503!to!the!base!
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Gently!push!the!PCT503!to!the!base!until!it!clicks.!
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Step!11:!Power!on!your!system!
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Turn!the!power!back!on!to!the!Heating/Cooling!system.!
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6.3. Wiring!Diagrams!
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Below!will!show!you!the!wiring!diagrams!for!common!HVAC!
equipment.!
!
1.!Conventional!heating!and!cooling!system!
!
!!!!!!Air!conditioner! ! ! ! ! ! ! ! ! ! Furnace!
!!!!!!!!!!!!!For!2!heat!and!cool!if!applicable!
!
Remove!the!jumper!for!RC!or!RH,!switch!the!DIP!switch!in!the!back!
of!the!thermostat!to!RC!if!you!have!connected!both!RC-wire!and!
RH-wire!to!the!wall!plate,!otherwise!switch!it!to!the!RC&RH!side.!
!
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2.!Heat!pump!(air!or!geothermal)!with!auxiliary!heat!
!
!
!!!!!Heat!pump!!!!!!!!!!!Air!handler!
!
!!!!!!!!!!!!For!2!heat!and!cool!if!applicable!
!
!
Remove!the!jumper!for!RC!or!RH,!switch!the!DIP!switch!in!the!back!
of!the!thermostat!to!RC!if!you!have!connected!both!RC-wire!and!
RH-wire!to!the!wall!plate,!otherwise!switch!it!to!the!RC&RH!side.!
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3.!Boiler!or!radiant!system!with!air!handler!and!conventional!
cooling!or!heat!pump!
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!
!!!!!!!!!!!!Air!conditioner!or!Heat!Pump! ! ! Boiler!
!
!!!!!!!!!!!!For!2!heat!and!cool!if!applicable!
*! ! ! ! ! ! ! ! ! ! ! For!heat!pump!only!
! !
Remove!the!jumper!for!RC!or!RH,!switch!the!DIP!switch!in!the!back!
of!the!thermostat!to!RC!if!you!have!connected!both!RC-wire!and!
RH-wire!to!the!wall!plate,!otherwise!switch!it!to!the!RC&RH!side.!
!
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