Operation

To check the damper is functioning correctly, the ECA is equipped with an indicator light in the middle of the board. This light operates as in Table 42.

Figure 31 - Minimum fresh air adjustment

+

POWER EXHAUST

1

EXF

2-10 VDC

 

+

 

CONTACTS

2

FEEDBACK

-

1

 

INPUT

 

MIXED AIR SENSOR INPUT

1

MAT

2-10 VDC

+

 

COMMON

2

 

CONTROLOUTPUT

-

 

COMMON

1

OAH/

 

 

 

 

 

OHS INPUT

2

OAE

 

 

 

 

NOT USED-OAT IS

1

OAT

 

 

 

 

CONNECTEDTO RTRM

2

MIN POS.

 

 

 

 

 

 

 

 

 

RA INPUT

1

 

SETPOINT

 

 

 

RAT

0-50%

 

GREEN

 

COMMON

2

 

ABCD

 

 

 

 

 

 

LED

 

COMMON

1

RAH/

SETTINGS

 

 

 

 

 

RHS INPUT

2

RAE

CO2 "PURGE"

 

 

 

 

 

 

 

 

 

CO2 SENSOR INPUT

1

DCV

SETPOINT

 

 

 

COMMON

2

ADJUSTMENT

 

 

 

 

 

 

500-1500 PPM

 

 

 

P

 

P1

1

-

MODBUS

 

 

 

 

2

 

 

 

 

3

+

 

 

 

 

COMMON

 

 

 

 

4

24VAC

 

SHORTED=CLOSED OPEN=ON BOARD POT. 270 omega = 50%

REMOTE

MINIMUM

POTENTIOMETER

WHT

RED

BLUE

1 = ECA board

Table 47 - ECA board LED

OFF:

No Power or Failure

 

 

ON:

Normal, OK to Economize

 

 

 

Slow Flash:

Normal, Not OK to

Economize

 

 

 

 

Fast Flash:

Communications Failure

 

 

Pulse Flash:

Error Code

 

 

 

1

Flash:

Actuator Fault

 

 

 

2

Flashes:

CO2 Sensor

 

 

 

3

Flashes:

RA Humidity Sensor

 

 

 

4

Flashes:

RA Temp Sensor

 

 

 

5

Flashes:

OA Quality Sensor

 

 

 

6

Flashes:

OA Humidity Sensor

 

 

 

7

Flashes:

OA Temp Sensor

 

 

 

8

Flashes:

MA Temp Sensor

 

 

 

9

Flashes:

RAM Fault

 

 

10 Flashes:

ROM Fault

 

 

11 Flashes:

EEPROM Fault

 

 

 

While setting the minimum position the damper may move towards the new setting in several small steps.

Once the damper has remained in the same position for 10 to 15 seconds it can be assumed it is in the new position.

RT-SVX20A-E4

51

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Image 51
Trane TSD, TSH 060 manual Minimum fresh air adjustment, ECA board LED

TSD, TSH 060 specifications

The Trane TSH 060 and TSD series represent cutting-edge advancements in commercial HVAC systems, designed for efficient performance and enhanced reliability. These units are engineered for a wide range of applications, making them a popular choice for various industrial and commercial settings.

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