Operation

Test modes

There are 2 methods in which the "Test" mode can be cycled with the test button:

1. Step Test Mode

This method initiates the different components of the unit, one at a time, by temporarily shorting across the two test terminals for two to three seconds. For the initial startup of the unit, this method allows the technician to cycle a component "On" and have up to 1 hour to complete the check.

2. Auto Test Mode

This method is not recommended for start-up due to the short timing between individual component steps. This method initiates the different components of the unit, one at a time, when a jumper is installed across the test terminals. The unit will start the first test step and change to the next step every 30 seconds. At the end of the test mode, control of the unit will automatically revert to the applied "System" control method.

For unit test steps and test modes, values to cycle the various components, refer to Tables 48 and 49.

Table 48 - Service Test Guide for Component Operation on cooling only units

Step

Mode

Indoor Fan motor

Economizer

Compressor 1

Compressor 2

Heat 1

Heat 2

Outdoor Fan Motor 1

Outdoor Fan Motor 1

 

 

 

 

 

 

 

 

 

 

1

Fan On

On

Min

Off

Off

Off

Off

Off

Off

 

 

 

 

 

 

 

 

 

 

2*

Economizer

On

Open

Off

Off

Off

Off

Off

Off

 

 

 

 

 

 

 

 

 

 

3

Cool 1

On

Min

On

Off

Off

Off

On

**

 

 

 

 

 

 

 

 

 

 

4

Cool 2

On

Min

On

On

Off

Off

On

**

 

 

 

 

 

 

 

 

 

 

5*

Heat 1

On

Min

Off

Off

On

Off

Off

Off

 

 

 

 

 

 

 

 

 

 

6*

Heat 2

On

Min

Off

Off

On

On

Off

Off

 

 

 

 

 

 

 

 

 

 

*With Optional Accessory

**"Off" If temperature falls below 16° (±1°C), "On" if temperature rises above 18° (±1°C). Note: Steps for optional accessories and modes not present in unit will be skipped.

Table 49 - Service Test Guide for Component Operation on Heat Pump Units

Step

Mode

Indoor Fan motor

Economizer

Compressor 1

Compressor 2

Heat 1

Heat 2

Outdoor Fan Motor 1

Outdoor Fan Motor 1

 

 

 

 

 

 

 

 

 

 

1

Fan On

On

Min

Off

Off

Off

Off

Off

Off

 

 

 

 

 

 

 

 

 

 

2*

Economizer

On

Open

Off

Off

Off

Off

Off

Off

 

 

 

 

 

 

 

 

 

 

3

Cool 1

On

Min

On

Off

Off

Off

On

**

 

 

 

 

 

 

 

 

 

 

4

Cool 2

On

Min

On

On

Off

Off

On

**

 

 

 

 

 

 

 

 

 

 

5*

Heat 1

On

Min

Off

Off

On

Off

Off

Off

 

 

 

 

 

 

 

 

 

 

6*

Heat 2

On

Min

Off

Off

On

On

Off

Off

 

 

 

 

 

 

 

 

 

 

*With Optional Accessory

**"Off" If temperature falls below 16° (±1°C), "On" if temperature rises above 18° (±1°C). Note: Steps for optional accessories and modes not present in unit will be skipped.

RT-SVX20A-E4

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Image 53
Trane TSD, TSH 060 manual Test modes, Step Test Mode, Auto Test Mode

TSD, TSH 060 specifications

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