Z-Wave ZTS-500 User manual

1
ZTS-500US
Z-Wave Smart Thermostat

2
ZTS-500, Z-Wave Smart Thermostat
Introduction
The ZTS-500 (Figure 1) is a security Z-Wave enabled thermostat designed to control the majority of
HVAC systems. A security Enabled Z-Wave Plus Controller must be used in order to fully utilize the
product. Users can use local or remote control and monitor the temperature via an App on smart
phone or PC while at home or away through a Z-Wave gateway. It can maximize energy
conservation and comfort while minimizing the effort required to maintaining a desired
temperature in your home.
Figure 1. ZTS-500

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Features List
HVAC System Compatible:
 Standard (Gas/Electric) or Heat Pump HVAC systems
Multi-stage System Compatible:
 Standard HVAC Systems: 2 stages heating, 2 stages cooling, 2 stages fan
 Heat Pump Systems: 2 stages heating, 2 stages cooling, 2 stages fan
Heat Pump change over valve:
 Selectable change over with heat or cool (B or O output)
Fan system:
 Selectable for gas or electric heat systems
Temperature Display, Indication and Control:
 Temperature unit in °F or °C
 Temperature Measurable Range: 32 - 99 °F / 0 - 37 °C
 Temperature Setting Range: 41 - 99 °F / 5 - 37 °C
 Adjustable Temperature Control Swing, Differential and Dead band
a) Swing: 1°F, 2°F, 3°F or 4°F ( 0.5°C, 1.0°C, 1.5°C or 2°C)
b) Differential: 1°F, 2°F, 3°F or 4°F ( 0.5°C, 1.0°C, 1.5°C or 2°C)
c) Dead band: 3°F, 4°F, 5°F or 6°F ( 1.5°C, 2.0°C, 2.5°C or 3°C)
 Temperature sensor calibration
 Filter replacement reminder after 500 hours usage (adjustable 500-4000hrs)
 Defrost function and Out of temperature range control function
 Energy saving mode
 Short cycle start up protection
White LEDs display:
 Resolution: 18 x 6 dots
 View area: 64mm x 28mm
 Status icons: 7
 Wide viewing angle and high contrast ratio with 3 levels brightness control
Z-Wave:
 Support “Frequently Listening Routing Slaves” (FLiRS) mode and “Always Listening” mode
 Support Network Wide Inclusion (NWI) and Explore Frames
 Support Security and Non- Security command
 Support battery low and level report
 Support Association Groups
a) Association Group-1 is a default status (AUTO) report channel in Z-Wave+ lifeline.
b) Association Group-2 is used for Heat Pump control
c) Association Group-3 is used for Compressor control
 Advanced features through Z-Wave configuration parameters
 Z-Wave Plus compliant
 OTA (over-the-air) and USB firmware Upgradeability
Wiring Requirements:
 Uses standard thermostat connections (C, RC,RH, W1, W2, Y1,Y2, G1, G2, O, B) – AWG #18
wires
Power Requirements:
 Support AA x 2 or AA x 4 alkaline batteries (No C-wire required) or standard HVAC 24Vac

4
Physical Installation and Wiring
C
aution
s
!

We highly recommend that this installation procedure is performed by a trained HVAC
technician.
 Read the enclosed instructions carefully before installing your new ZTS-500. Pay close
attention to all warnings and notes and carefully follow the installation steps in the order
they are presented to save time and minimize the risk of damaging the thermostat or the
system it controls.
 Before disconnecting wires from the existing thermostat, label the wires with the terminal
markings from the old thermostat and record them. Take a picture of the old wiring as it will
be very helpful with troubleshooting in case you need to reinstall the old unit.
 Turn off electronic devices (e.g. heater, cooler) which will be connected and the electric
source before installation and maintenance.
 Do not use metal conduits or cables provided with a metal sheath.
 Adding fuses or protective device in the line circuit is recommended.
Battery safety!
 Use new batteries of the recommended type and size only.
 Never mix used and new batteries together.
 To avoid chemical leaks, remove batteries from the ZTS-500 if you do not intend to use the
unit for an extended period of time.
 Dispose of used batteries properly; do not burn or bury them.
Read following scenarios carefully before you start as it matters to the battery life under Z-Wave
operation:
Installation Location
This thermostat is restricted to indoor use only. It should be mounted on an inner wall about 5ft
(1.5m) above the floor at a position where it is readily affected by changes of the general room
temperature with freely circulating air. Avoid mounting above or near hot surfaces or equipment
(e.g. TV, heater, refrigerator). Avoid mounting where it will be exposed to direct sunshine, drafts,
or in a laundry room or other enclosed space. Do not expose this unit to dripping or splashing
liquids.
Physically Installing the Thermostat
1. Open the ZTS-500 by pulling the two sections apart (Figure 2). Use the fingertips of one hand to
grip the tab on the front housing.
2. Insert the two included wall anchors into the wall, aligned with two of the mounting holes in
the back housing of the thermostat.
3. Open the terminal block of the ZTS-500 then insert all necessary wires through the back
housing (Figure 3).
4. Fasten the back housing to the wall using the two included mounting screws. Insert the screws
through the mounting holes in the housing and into the wall anchors (Figure 3).
5. Wire the proper cables to the terminal block according to the circuit diagram as described in
figure 4 and "Thermostat Terminal Wiring". Afterward, push all cables back into the wall then
close the terminal block of the ZTS-500.
6. The ZTS-500 can be powered by either two AA Alkaline batteries or four AA Alkaline batteries.
Match the polarity of the batteries with the +/- marks inside the battery compartment.
7. Align the front housing of the thermostat with the back housing and push until the housing
sections are locked together (Figure 5).

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Figure 2. Open ZTS-500 front housing
Figure 3. Open the terminal and mount into the wall

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Figure 4. Terminal wiring
Figure 5. Install the front housing
W1 W2 O B G1 G2 Y1
Y2
C
RC RH
RC/RH jumper

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Thermostat Terminal Wiring
Figure 6. Terminal block and pin assignment
Terminals
Symbol
1
st
s
tage
H
eater
W1
or W
2
nd
s
tage
H
eater
W2
Cool c
hangeover
(heat pump)
O
Heat c
hangeover
(heat pump)
B
1
st
stage
Fan
G
1 or G
2
nd
stage
Fan
G2
1
st
stage
Compressor
Y
1 or Y
2
nd
stage
Compr
essor
Y
2
24Vac Common
C
24V
ac
Power for C
ooling
R
C
24V
ac
Power for H
eat
ing
R
H
RC/RH jumper:
 Most HVAC systems build-in a common heating and cooling transformer. The ZTS-500
has a built-in RH/RC jumper wire to connect RH and RC inputs for this configuration.
 If the HVAC system contains separated heating and cooling transformers, please cut out
the RH/RC jumper and then connect the RC and RH inputs individually.
Thermostat wiring:
 For Non-Heat Pump HVAC systems, please refer to figure 7, 8, and 9.
 For Heat Pump HVAC systems, please refer to figure 10, 11, and 12.
RC/RH jumper
RC/RH jumper
Cut out RC/RH jumper!

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Non-Heat Pump (standard) HVAC System
Important:
If there is no C-wire in the HVAC system, the ZTS-500 must be powered by batteries and it will be
operated in FLiRS mode after inclusion into a Z-Wave network.
Multi-stage: 2 Heat / 2 Cool
Figure 7. Non-heat pump (Standard Gas or Electric) HVAC system wiring
Single-stage: 1 Heat / 1 Cool
Figure 8. Non-heat pump (Standard Gas or Electric) HVAC system wiring
W1
W2
O
B
G1
G2
Y1
Y2
C
RC
RH
Black (with C-Wire)
Red
Yellow
Green
W1 - 1st stage Heater
W2 - 2nd stage Heater
G1 - 1st stage Fan
G2- 2nd stage Fan
Y1 - 1st stage Compressor (Cool)
Y2 - 2nd stage Compressor (Cool)
C - 24Vac Common
R - 24Vac Power
Non
-
Heat Pump (standard)
HVAC System
Vary
White
ZTS
-
500
RC and RH are
internal connected
Vary
Vary
W1
W2
O
B
G1
G2
Y1
Y2
C
RC
RH
Black (with C-Wire)
Red
Yellow
Green
W - Heater
G - Fan
Y - Compressor (Cool)
C - 24Vac Common
R - 24Vac Power
Non
-
Heat Pump (standard)
HVAC System
White
ZTS
-
500
Typical wire colour
Typical wire colour
RC and RH are
internal connected

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2-wires system with 1 heat only
Figure 9. Non-heat pump (Standard Gas or Electric) 2-wires HVAC system wiring
Heat Pump HVAC System
Important:
If there is no C-wire in the HVAC system, the ZTS-500 must be powered by batteries and it will
be operated in FLiRS mode after inclusion into a Z-Wave network.
Do not split RC/RH for Heat Pump systems! Multi-stage: 2 Heat / 2 Cool
Figure 10. Heat pump HVAC system wiring
W1
W2
O
B
G1
G2
Y1
Y2
C
RC
RH
Black (with C-Wire)
Red
Yellow
W2 - 2nd stage Heater
O - Cool changeover (heat pump)
B - Heat changeover (heat pump)
G1 - 1st stage Fan
G2 - 2nd stage Fan
Y1 - 1st stage Compressor (Heat/Cool)
Y2 - 2nd stage Compressor (Cool)
C - 24Vac Common
R - 24Vac Power
Heat Pump HVAC System
Blue
Orange
ZTS
-
500
Green
Vary
Vary
W1
W2
O
B
G1
G2
Y1
Y2
C
RC
RH
W - Heater
R - 24Vac Power
White
ZTS
-
500
(Powered by batteries)
Red
Non
-
Heat Pump (standard)
HVAC System
Typical wire colour
Typical wire colour
No C-wire
Vary
RC and RH are
internal connected
RC and RH are
internal connected

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Do not split RC/RH for Heat Pump systems! Single-stage: 1 Heat / 1 Cool
Figure 11. Heat pump HVAC system wiring
2-wires system with 1 heat only
Do not split RC/RH for Heat Pump systems!
For heat pump output, there is a 3 minutes off time for heat pump protection!
Figure 12. Heat pump 2-wires HVAC system wiring
Yellow
W1
W2
O
B
G1
G2
Y1
Y2
C
RC
RH
Black (with C-Wire)
Red
Yellow
O - Cool changeover (heat pump)
B - Heat changeover (heat pump)
G - Fan
Y - Compressor (Heat/Cool)
C - 24Vac Common
R - 24Vac Power
Heat Pump HVAC System
Blue
Orange
ZTS
-
500
Green
W1
W2
O
B
G1
G2
Y1
Y2
C
RC
RH
Y - Compressor (Heat)
R - 24Vac Power
ZTS
-
500
(Powered by batteries)
Red
Heat Pump System
Typical wire colour
Typical wire colour
No C-wire
RC and RH are
internal connected
RC and RH are
internal connected

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Setup and Operations
Product Overview
Figure 13. ZTS-500
Description of Function Keys
Symbol Key Description
Navigation keys or confirmation keys
Scroll keys
Mode Heat Cool Fan Brightness Z-Wave Disconnect Battery Low
Current Temperature
Terminals

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User Interface Layout
Operation menu:
System setup menu:

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Initial HVAC System Setting
The ZTS-500 supports various different HVAC system types:
- Pump systems: Non-Heat Pump or Heat Pump
- Heat Fan systems: Gas-Powered or Electric-Powered
- Fan stage systems: One or two stages fan
To prevent abnormal operation, it is important that the ZTS-500 is set to the correct HVAC system
type prior to use and Z-Wave inclusion. To set the HVAC system type:
Step Procedure / Description LED indication
1
From the Standby screen, press and keep
holding > or < for 3 seconds to navigate to the
System Main (SYS) screen.
2
For Pump Systems:
Press > to navigate to the pump system (Pum)
screen. Press + or – to entry the setting.
Press + or - to select your pump system type,
either a non-heat pump system (NHP) or a heat
pump system (HP).
Press and keep holding > for 2 seconds to
confirm your selection.
Press < to cancel the setting and back to the
previous screen.
Non-heat pump: (pre-selected system)
- When there is a heating request, thermostat
will turn on W1.
- When there is a cooling request, thermostat
will turn on Y1.
Heat pump:
- When there is a heating request, thermostat
will turn on Y1 and B.
- When there is a cooling request, thermostat
will turn on Y1 and O.

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3
For Fan Systems:
Press > to navigate to the fan system (Fan)
screen. Press + or – to entry the setting.
Press + or - to select your fan system type, either
gas-powered (Gas) or electric-powered (Ele).
Press and keep holding > for 2 seconds to
confirm your selection.
Press < to cancel the setting and back to the
previous screen.
Gas-powered : (pre-selected system)
- Fan will maintain off state.
Electric-powered:
- Fan will be turned on when there is heating.
4
For Fan Stages:
Press > to navigate to the fan stage (F-St) screen.
Press + or – to entry the setting.
Press + or - to select your fan stage, either
one stage (One) or two stages (Two) fan.
Press and keep holding > for 2 seconds to
confirm your selection.
Press < to cancel the setting and back to the
previous screen.
One stage : (pre-selected system)
- Fan speed: Auto/On
Two stages:
- Fan speed: Auto/High/Low
Remark:
- To exit the System Main menu, press and keep
holding < key for 3 seconds.
- After inclusion procedure, fan stages cannot be
changed. You must perform exclusion procedure
first if fan stages need to be changed.

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Note:
If the user performs a Reset to Factory Default Settings or Z-Wave Exclusion operation, the ZTS-500
will retain the last selected HVAC system type.
Thermostat Mode and Set point
For normal setup and operations, ZTS-500 will take the action after key released and it will go back
to standby menu after 3 seconds.
Step Procedure / Description LED indication
1
From the Standby screen, press > to navigate to
the Mode screen and the Mode LED will keep
flashing.
Press + or - to scroll to your HVAC mode
(Off/Heat/Cool/Auto).
2
From the Standby screen, press + or - to set your
desired temperature set point.
Remark:
- Heat or Cool icons with white colour will be
turned on when adjusting the heat or cool set
point.
- Heat icon with red colour will be turned on
once heater is active.
- Cool icon with blue colour will be turned on
once compressor is active.

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Explanations of Set point, Swing, Differential and Dead band
HEAT mode: Thermostat controls the temperature according to the following diagram
Example: If Heat Set point = 70°F, Swing = 1°F, Differential = 2°F, then
=> 1st stage heater turns on when room temp is 69°F and off at 71°F.
=> 2nd stage heater turns on when room temp is 67°F and off at 70°F.
COOL mode: Thermostat controls the temperature according to the following diagram
Example: If Cool Set point = 80°F, Swing = 1°F, Differential = 2°F, then
=> 1st stage cooler turns on when room temp is 81°F and off at 79°F.
=> 2nd stage cooler turns on when room temp is 83°F and off at 80°F.
AUTO mode: Thermostat controls the temperature according to the following diagram.
Press + / - buttons to adjust the appropriate set point. It will adjust the set point that is
closer to the current room temperature.
 If the current temperature is close to heat set point, then it will change the heat set point value.
 If the current temperature is close to cool set point, then it will change the cool set point value.
 If the difference between the two is equal, then it will change the heat set point value by default.
 There is a dead band 4°F/2°C (by default) between heat set point and cool set point. If user select
heat set point is 73°F, then the minimum of cool set point will be limited to 77°F.
Output Set point
Temperature
Swing
1
st
stage
Turn off
1
st
stage
Turn on
Off
Heat
2
nd
stage
Turn on
2
nd
stage
Turn off = Set point
Diff Swing
Output Set point
Temperature
Swing
1
st
stage
Turn on
Off
Cool
Diff
Swing
2
nd
stage
Turn on
2
nd
stage
Turn off = Set point
1
st
stage
Turn off
67
o
F 68
o
F 69
o
F 70
o
F 71
o
F 72
o
F 73
o
F 74
o
F
77
o
F 78
o
F 79
o
F 80
o
F 81
o
F 82
o
F 83
o
F 84
o
F

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Example: If Room temperature = 75°F, Dead band = 4°F, Swing = 1°F, Differential = 1°F
Heat Set point = 73°F, Cool Set point = 77°F
Then it will change the heat set point by +/- buttons.
If keep 73°F in heat set point, then the minimum of cool set point will be limited to 77°F,
=> 1st stage heater turns on when room temp is 72°F and off at 74°F.
=> 2nd stage heater turns on when room temp is 71°F and off at 73°F.
Fan Mode
Step Procedure / Description LED indication
1
To adjust the fan mode:
From the Standby screen, press > or < to
navigate to the Fan Mode screen and the Fan
LED will keep flashing.
When set to Auto:
- Electric-powered: Fan will run during heating
and cooling operation.
- Gas-powered: Fan will ONLY run during cooling
operation.
2
For one stage fan:
Press + or - to change the fan speed (Auto/On).
When set to On, the fan will stay ON.
3
For two stages fan:
Press + or - to change the fan speed
(Auto/High/Low).
When set to High/Low, the fan will stay ON.
Dead band
Output
Temperature
1
st
stage
Turn off
in Heat
1
st
stage
Turn on
in Heat
Off
Heat Set point
2
nd
stage
Turn on in Heat
2
nd
stage
Turn off in Heat
Swing
Diff
Cool Set point
Swing
70
o
F 71
o
F 72
o
F 73
o
F 74
o
F 75
o
F 76
o
F 77
o
F 78
o
F 79
o
F

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LEDs Brightness
Step Procedure / Description LED indication
1
To adjust the brightness:
From the Standby screen, press > or < to
navigate to the Brightness screen and the
Brightness LED will keep flashing.
Press + or - to adjust the brightness level
(High/Med/Low).
Note:
It can extend the battery service life by decreasing the brightness of the LEDs display.
System Settings:
- To enter the System Main menu, press and keep holding > or < for 3 seconds to navigate to the
System Main (SYS) screen.
- To exit the System Main menu, press and keep holding < key for 3 seconds to exit.
- To cancel the setting, press < to cancel and back to the previous screen.
- ZTS-500 will exit the System menu automatically if there is no action (time out) within 30
seconds.

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Temperature Display Unit (oF/oC)
Step Procedure / Description LED indication
1
In the System Main (SYS) screen:
Press > to navigate to the display unit (F/C)
screen. Press + or – to entry the setting.
2
Press + or - to select temperature display unit (°F
/ °C). Press > to confirm your selection.
Default is Fahrenheit (°F)
Sleep Timer
Step Procedure / Description LED indication
1
In the System Main (SYS) screen:
Press > to navigate to the LED sleep timer (LED)
screen. Press + or – to entry the setting.
2
Press + or - to adjust LED sleep timer.
Range: 3 to 60s or Always On
If powered by battery: 5s by default
If powered by 24Vac: 60s by default
Press > to confirm your selection.
Remark:
Reducing sleep timer value can enhance ZTS-500
battery service life significantly.

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Check Firmware Version
Step Procedure / Description LED indication
1
In the System Main (SYS) screen:
Press > to navigate to the Firmware (FM) screen.
Press + or – to entry the setting.
2
Press + or - to check the firmware version.
Press > or < to back to the previous screen.
Z.222 = Z-Wave firmware version 2.22
U.222 = Main MCU firmware version 2.22
Battery Low Indication
Step
Procedure / Description LED indication
1
“Battery low” icon will be displayed if the battery
is running out.
(User is required to change new batteries.)
Filter Replacement
Step
Procedure / Description LED indication
1
Once the usage hours has reached the pre-set
value (500 hours by default), “Filt” message + Fan
icon will flash for 3 seconds by every 30mins.
(User is required to clean or replace the filter and
reset the filter counter.)