Aube TH150 Series Thermostat User Manual

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TH150 Series

Installation and User Guide

VAV Thermostat

. Introduction

The TH150 Series electronic thermostat is designed for low-voltage

pressure-dependent variable air volume (VAV) applications. It

comes in four different models:

•

TH150-1A

• TH150-1F

Configuration and status display

TH150-1A2T

• TH150-1F2T

Depending on the model, the TH150 thermostat can have up to

three outputs connected to the following control devices:

Heating mode

ꢀ

actuators

thermal valves (N.O. and N.C.)

solenoid valves

solid-state relays (SSRs)

silicon-controlled rectifiers (SCRs)

mechanical relays

Cooling mode

Temperature display

Temperature

adjustment

button

Output power display

contactors

Accessories

Override button

ꢀ

RC840 or RC840T electromechanical relay

RT850 or RT850T solid-state relay

AC146-410 temperature sensor

AC144-03 temperature sensor

. Installation

.1 Mounting Instructions

2.2 Terminal Designations

The designations of the terminals vary according to the particular

model of thermostat. Refer to the following table for the description

of each terminal.

n Remove the thermostat from its base by unscrewing the cap-

tive screw and tilting the bottom of the thermostat up. The

screw cannot be completely removed.

TERMINAL DESCRIPTION

24 VAC

COM

Power supply

Models TH150-1A and TH150-1A2T

Models TH150-1F and TH150-1F2T

AN1

COM

Output 1

OPEN

CLOSED

T2/AN2

T2/COM

Output 2 (models TH150-1A2T and TH150-1F2T)

Output 3 (models TH150-1A2T and TH150-1F2T)

External sensor input. (For applications requiring

COM

o Pass the wires through the center hole of the base and secure

10 SENSOR an external sensor, see section 4.2.)

the base to the wall or onto an electrical box.

COM

C-Over

Mode Changeover input (N.O. contact). See sec-

tion 5.5.2.

p Wire the thermostat. See section 2.2 for terminal designations

and section 3 for typical wiring diagrams.

COM

Night Setback activation input (N.O. contact).

See section 5.6.

12 NSB

q Reinstall the thermostat onto its base and secure with the cap-

tive screw.

Note: To configure the terminals, see section 4.

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. Typical Applications

FIGURE 1: Damper control with electric reheat and auxiliary

FIGURE 2: Damper control with electric reheat and auxiliary

baseboard heating.

hot-water heating

FIGURE 3: Damper control with automatic changeover, elec-

tric reheat and central cooling

FIGURE 4: Temperature control of fresh air supply

CAUTION

Do not connect

common to ground

Do not connect com-

mon to ground

FIGURE 5: Changeover and NSB inputs sharing the same

FIGURE 6: Changeover and NSB inputs using different 24-Vac

transformers

24-Vac transformer

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. Configuration

n Remove the thermostat from its base and

.1 Configuration Menus

set the SW2 switch to MENU.

o Reinstall the thermostat. The thermostat is

now in configuration mode. The first digit

flashes to indicate that the first item of the

menu can now be modified.

A model

Default mode &

Application

Output 1

min. opening

(section 4.3.2)

Maximum

setpoint

(section 4.6)

Minimum

setpoint

(section 4.6)

NSB value

(section 5.6)

Output 1 type

(

section 4.2)

p To modify the setting, use the up/down

(

section 4.3.1)

Cool / 0-10V

Heat / 0-10 V

Cool / 2-10 V

Heat / 2-10 V

Internal sensor

Room

1°C (2°F)

2°C (4°F)

3°C (6°F)

4°C (8°F)

5°C (10°F)

6°C (12°F)

7°C (14°F)

8°C (16°F)

9°C (18°F)

arrows. Refer to the adjacent tables.

10%

20%

30%

40%

50%

Can be set

between 35°C

95°F) and

’minimum

Can be set

between 10°C

(50°F) and

’’maximum

setpoint - 1’’

q Press Override to save the new setting and

Return

go to the next item.

(

’

Supply

Auto changeover

Limited cooling

r Repeat steps 3 and 4 for remaining items.

setpoint + 1’’

s When the configuration is done, set the

Default value

is 35°C (95°F) is 10°C (50°F)

Default value

SW2 switch back to NORMAL.

1F model

NOTE: Factory settings are

inside the shaded cells.

Output 1

min. opening

Output 1

opening time

(section 4.3.3)

Maximum

setpoint

(section 4.6)

Minimum

setpoint

(section 4.6)

Application

Default mode

(section 4.3.1)

NSB value

(section 5.6)

(section 4.2)

(section 4.3.2)

Internal sensor

Room

Cool

1°C (2°F)

2°C (4°F)

3°C (6°F)

4°C (8°F)

5°C (10°F)

6°C (12°F)

7°C (14°F)

8°C (16°F)

9°C (18°F)

Heat

10%

Can be set

between 35°C

Can be set

between 10°C

(50°F) and

’’maximum

setpoint - 1’’

Return

20%

100

110

120

130

140

150

160

(95°F) and

Supply

30%

’’minimum

Auto changeover

Limited cooling

40%

setpoint + 1’’

50%

Default value

is 35°C (95°F) is 10°C (50°F)

Default value

1A2T model

Default mode &

Output 1 type

Output 3

activation

(section 4.5)

Output 1

min. opening

(section 4.3.2)

Maximum

setpoint

(section 4.6)

Minimum

setpoint

(section 4.6)

Output 2 type^a

(section 4.4)

Application

Output 3 type

(section 4.5)

NSB value

(section 5.6)

(section 4.2)

(

section 4.3.1)

Cool / 0-10V

Heat / 0-10 V

Cool / 2-10 V

Heat / 2-10 V

Internal sensor

Room

Not used

SSR 24 VAC

N.C. Valve

N.O. Valve

Mech. relay

Contact

100%

10%

20%

30%

40%

50%

60%

70%

80%

90%

1°C (2°F)

2°C (4°F)

3°C (6°F)

4°C (8°F)

5°C (10°F)

6°C (12°F)

7°C (14°F)

8°C (16°F)

9°C (18°F)

SSR 24 VAC

N.C. Valve

N.O. Valve

Mech. relay

SSR 3-32 V

SCR 0-10 V

Act. 0-10 V

Act. / 2-10 V

10%

20%

30%

40%

50%

Can be set

between 35°C

95°F) and

’’minimum

Can be set

between 10°C

(50°F) and

’’maximum

setpoint - 1’’

Return

Supply

(

Auto changeover

Limited cooling

setpoint + 1’’

Default value

is 35°C (95°F) is 10°C (50°F)

Default value

a. If Output 2 type is set to 0-4, set the SW6 switch to Triac. If the output type is set to 5-8, set the switch to Analog (see section 4.7).

F2T model

Output 3

activation

section 4.5)

Output 1

min. opening

(section 4.3.2)

Output 1

opening time

(section 4.3.3)

Maximum

setpoint

(section 4.6) (section 4.6)

Minimum

setpoint

Output 2 type^a

(section 4.4)

Application

Default mode

(section 4.3.1)

Output 3 type

(section 4.5)

NSB value

(section 5.6)

(section 4.2)

(

Internal sensor

Room

Cool

Not used

SSR 24 VAC

N.C. Valve

N.O. Valve

Mech. relay

Contact

100%

10%

20%

30%

40%

50%

60%

70%

80%

90%

1°C (2°F)

2°C (4°F)

3°C (6°F)

4°C (8°F)

5°C (10°F)

6°C (12°F)

7°C (14°F)

8°C (16°F)

9°C (18°F)

Heat

SSR 24 VAC

N.C. Valve

N.O. Valve

Mech. relay

SSR 3-32 V

SCR 0-10 V

Act. 0-10 V

Act. / 2-10 V

10%

20%

30%

40%

50%

Can be set

between

35°C (95°F) 10°C (50°F)

and ’’min and ’’max

setpoint + 1’’ setpoint - 1’’

Can be set

between

Return

100

110

120

130

140

150

160

Supply

Auto changeover

Limited cooling

Default

value is

Default

value is

35°C (95°F) 10°C (50°F)

a. If Output 2 type is set to 0-4, set the SW6 switch to Triac. If the output type is set to 5-8, set the switch to Analog (see section 4.7).

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.2 Application Types

The following table shows the different default modes, the different

output types for Output 1, and their corresponding settings in the

configuration menu.

The following table shows the different thermostat applications and

their corresponding settings in the configuration menu.

Menu setting

1A & 1A2T models

1F & 1F2T models

Menu setting

Description

Cool / 0-10 V analog

Cool

Internal

To control the ambient temperature using the internal

(built-in) sensor

(

max. of 10 min. refresh)

(24 V tri-state floating)

sensor

Heat / 0-10 V analog

(max. of 10 min. refresh)

Heat

To control the ambient temperature using the AC144-03

temperature sensor (the internal sensor is not used)

(24 V tri-state floating)

Room

Cool / 2-10 V analog

(max. of 10 min. refresh)

To control the temperature at the air return using the

AC146-410 temperature sensor (the internal sensor is

not used)

Air return

Heat / 2-10 V analog

(

max. of 10 min. refresh)

To control the temperature at the fresh air supply using

the AC146-410 temperature sensor (the internal sensor

is not used)

.3.2 Minimum Opening

Air supply

The minimum damper opening can be set between 0 and 50 %.

To control the ambient temperature using the internal

sensor. The AC146-410 temperature sensor is used for

automatic changeover. See section 5.5.1.

Note: It is not recommended to set the minimum damper opening to

0 % (fully closed) when a duct heater is connected to Output 2 or 3.

Automatic

changeover

.3.3 Opening time (1F and 1F2T models only)

To use the outdoor air for cooling whenever possible.

The AC146-410 temperature sensor is used to measure

the outdoor air temperature. The internal temperature

sensor measures the room temperature which is then

compared with the setpoint. If the room temperature is

lower than the setpoint, the air intake damper remains

closed. If the room temperature is higher than the

setpoint, the latter is then compared with the outdoor

temperature. If the fresh air temperature is lower than

the setpoint by more than 3°C (5.4°F), the damper

opens to allow cool air in.

The damper opening time can be set between 80 and 160 seconds.

4.4 Output 2 (models TH150-1A2T and TH150-1F2T)

Limited

cooling

Output 2 controls heating only, regardless of the thermostat’s mode.

When the thermostat is in heat mode, Output 2 is activated as soon

as Output 1 reaches its full capacity. When the thermostat is in cool

mode, Output 2 is activated when the measured temperature drops

below the setpoint.

4.3 Output 1

Output 1 is used to control a damper. It controls heating when the

thermostat is in heat mode or cooling when the thermostat is in cool

mode.

The following table shows the output types for Output 2 and their

corresponding settings in the configuration menu.

Menu setting Description

Not used

Set the following configuration parameters:

24 VAC pulsed (triac) / 1 sec. cycle

(

e.g., 24 V SSR such as Aube’s RT850 or RT850T)

4 VAC pulsed (triac) / 10 min. cycle / direct action

e.g., N.C. thermal valve)

4 VAC pulsed (triac) / 10 min. cycle / reverse action

e.g., N.O. thermal valve)

4 VAC pulsed (triac) / 15 min. cycle (e.g., mechanical

•

Default mode

Output type (1A and 1A2T models only)

Minimum opening

(

Opening time (1F and 1F2T models only)

.3.1 Default Mode / Output Type

relay such as Aube’s RC840 or RC840T)

The default mode (heat/cool) is used for the following:

0-10 V pulsed / 1 sec. cycle (e.g., 3-32 V SSR)

•

The default mode is the thermostat’s mode at power-up.

-10 V analog / 1 sec. refresh

The default mode is the active mode when the N.O. changeover

contact is open (see section 5.5.2).

(e.g., SCR controlled device such as a re-heater)

0-10 V analog / max. of 10 min. refresh (e.g., valve)

2-10 V analog / max. of 10 min. refresh (e.g., damper)

•

When configured as a contact (see section 4.5), Output 3 controls

either heating or cooling depending on whether the default mode

is set to heat or cool respectively.

Note: If 0-4 is selected, set the SW6 switch to Triac. If 5-8 is

selected, set the switch to Analog (see section 4.7)

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.5 Output 3 (models TH150-1A2T and TH150-1F2T)

4.7 DIP Switches

The following table shows the output types for Output 3 and their

corresponding settings in the configuration menu.

Three switches at the back of the control module are used to select

various options.

Temperature Display (SW1)

Menu setting Description

Selects the desired temperature display (°C or °F).

Access Mode (SW2)

Not used

4 VAC pulsed (triac) / 1 sec. cycle

e.g., 24 V SSR such as Aube relays RT850 or RT850T)

4 VAC pulsed (triac) / 10 min. cycle / direct action

e.g., N.C. thermal valve)

4 VAC pulsed (triac) / 10 min. cycle / reverse action

e.g., N.O. thermal valve)

4 VAC pulsed (triac) / 15 min. cycle (e.g., mechanical

(

Selects the operation mode (NORM) or the configuration mode

(

MENU).

(

•

Place the switch to MENU to access the configuration menu.

Place the switch to NORM for normal display.

(

Output 2 Type (SW6)

Sets Output 2 type (Analog or Triac).

relay such as Aube relays RC840 or RC840T)

WARNING: Place the switch according to the type of device (Ana-

log or Triac) connected to Output 2. Failure to do so can result in

thermostat damage.

N.O. contact (The contact closes when Output 1 reaches

or exceeds set percentage. See section 4.1.)

When any setting between 1 and 4 is selected, Output 3 controls

heating only, regardless of the thermostat’s mode.

. Operation

5.1 Power-Up

Upon power-up, the thermostat undergoes a series of test before

displaying the actual temperature.

Note: On the TH150-1F and TH150-1F2T models, at power-up, the

message OPEN appears at the top of the screen during the calibra-

tion of the damper opening. This can last up to 3 minutes.

.2 Backlight

To turn the backlight on, press any button. The display will illuminate

for 12 seconds.

When setting 5 is selected, Output 3 controls heating or cooling

depending on whether the default mode has been set to heat or

cool respectively (see section 4.3.1). For example, if the default

mode has been set to heat mode, the contact remains opened when

the thermostat is in cool mode. When the thermostat is in heat

mode, the contact closes when Output 1 reaches a percentage of its

capacity, set via the configuration menu.

5.3 Temperature Display and Setting

The thermostat usually displays the actual temperature. To view the

setpoint, press once on one of the

appears for 5 seconds and is indicated by the display. During the

setpoint display, press one of the buttons to change it.

buttons. The setpoint

Note: The temperature setpoint is automatically increased or

decreased by 1°C (2°F) when the controller switches to heating

mode or to cooling mode respectively. For example, if the setpoint is

at 25°C (77°F) in heating mode, it will become 26°C (79°F) in cool-

ing mode and will return to 25°C (77°F) when the controller is back

in heating mode.

5.4 Output Display

The bar graph represents the voltage for an analog out-

put or the duty cycle for a triac output. The bar graph

usually shows Output 1 power (% of damper opening).

To view Output 2 or 3, press Override for 2 seconds to

enter the diagnostic mode. Press Override momentarily

to switch between the three output graphs. To exit the

diagnostic mode, press Override for 2 seconds or wait

for 1 minute for the mode to exit automatically.

.6 Minimum and Maximum Setpoints

The minimum and maximum setpoints are factory-set at 10°C

50°F) and 35°C (95°F). The maximum setpoint can be set between

5°C (95°F) and (minimum setpoint + 1). The minimum setpoint can

(

be set between 10°C (50°F) and (maximum setpoint - 1).

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.5 Mode Changeover

. Technical Specifications

The thermostat can switch between heat mode and cool mode

either via:

Power: 24 VAC

Current consumption: 25 mA

Output signals: Depends on output configurations

Output ratings:

•

the automatic changeover

the changeover input

Triac output: 0.5 A maximum @ 24 VAC

Analog output (SCR connection): 0 - 10 V, 10 kW minimum

Analog output (SSR connection): 0 - 10 V, 45 mA maximum

.5.1 Automatic changeover

In automatic changeover, the thermostat detects when the system

switches between heat mode and cool mode by comparing the air

supply temperature with the ambient temperature. If the thermostat

is in heat mode, it switches to cool mode when the air supply is

cooler than ambient by 5°C (9°F) or more. If it is in cool mode, it

switches to heat mode when the air supply is warmer than ambient

by 5°C (9°F) or more.

Setpoint range: 10°C to 35°C (50°F to 95°F)

Temperature display: 0°C to 60°C (32°F to 140°F)

Temperature display resolution: 0.5°C (1°F)

Mode hysteresis: 2°C (4°F)

Automatic changeover deadband: 5°C (9°F)

Duty cycle: Depends on output configurations

NSB offset: Programmable 1°C to 9°C (2°F to 18°F)

NSB override period: 2 hours

Note: Neither the heat mode icon ( ) nor cool mode icon (

)

Memory protection: Configuration and setpoint

Temperature control: Proportional integral adaptive (P.I.A.)

Operating temperature: 32°F to 140°F (0°C to 60°C)

Storage temperature: -4°F to 122°F (-20°C to 50°C)

Humidity limits: 0 to 95% R.H., non-condensing

Dimensions: 69 x 118 x 27 mm (2.7 x 4.6 x 1.0 in.)

appears when TH150 is placed in automatic changeover.

.5.2 Changeover Input

The thermostat is in the default mode when the contact between ter-

minals 9 and 11 is open and switches mode when the contact is

closed. The default mode is set via the configuration menu .

Note: The changeover contact state is ignored if TH150 is config-

ured in automatic changeover or in limited cooling.

. WARRANTY

.6 Night Setback

Aube warrants this product, excluding battery, to be free from defects in the work-

manship or materials, under normal use and service, for a period of three (3)

years from the date of purchase by the consumer. If at any time during the war-

ranty period the product is determined to be defective or malfunctions, Aube shall

repair or replace it (at Aube's option).

The Night Setback (NSB) mode is activated when the

contact between terminals 9 and 12 is closed. When

TH150 is in the NSB mode, indicated by the ECONO

display, the temperature is lowered or raised by the set

NSB value depending whether the thermostat is in heat

mode or cool mode respectively. The NSB value is set via the con-

figuration menu.

If the product is defective,

(

return it, with a bill of sale or other dated proof of purchase, to the place

from which you purchased it, or

contact Aube. Aube will make the determination whether the product

should be returned, or whether a replacement product can be sent to you.

ii)

Night Setback Override

This warranty does not cover removal or reinstallation costs. This warranty shall

not apply if it is shown by Aube that the defect or malfunction was caused by

damage which occurred while the product was in the possession of a consumer.

Aube's sole responsibility shall be to repair or replace the product within the terms

stated above. AUBE SHALL NOT BE LIABLE FOR ANY LOSS OR DAMAGE OF

ANY KIND, INCLUDING ANY INCIDENTAL OR CONSEQUENTIAL DAMAGES

RESULTING, DIRECTLY OR INDIRECTLY, FROM ANY BREACH OF ANY WAR-

RANTY, EXPRESS OR IMPLIED, OR ANY OTHER FAILURE OF THIS PROD-

UCT. Some provinces, states or regions do not allow the exclusion or limitation of

incidental or consequential damages, so this limitation may not apply to you.

THIS WARRANTY IS THE ONLY EXPRESS WARRANTY AUBE MAKES ON

THIS PRODUCT. THE DURATION OF ANY IMPLIED WARRANTIES, INCLUD-

ING THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PAR-

TICULAR PURPOSE, IS HEREBY LIMITED TO THE THREE-YEAR DURATION

OF THIS WARRANTY. Some provinces, states or regions do not allow limitations

on how long an implied warranty lasts, so the above limitation may not apply to

you.

To temporarily override the NSB mode, press the Over-

ride button. The NSB mode is lifted for the next 2 hours

or until the Override button is pressed again. During the

override, the normal setpoint is used and OVERRIDE is

displayed.

.7 Error Codes

The following error codes can appear at the top of the display.

E1: The internal temperature sensor is defective

E2: The internal temperature sensor is shorted

E3: The external temperature sensor is defective or not connected

E4: The external temperature sensor is shorted

This warranty gives you specific legal rights, and you may have other rights which

vary from one province, state or region to another.

. SERVICE

If you have any questions on the product installation or operation, contact us at:

05 Montrichard Avenue

Saint-Jean-sur-Richelieu, Quebec

J2X 5K8

Canada

Tel.: (450) 358-4600

Toll-free: 1-800-831-AUBE

Fax: (450) 358-4650

Email: aube.service@honeywell.com

For more information on our products, visit us at:

www.aubetech.com

TH150

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