Crestron CHV-TSTATEX Guia de Instalação descarregar pdf (Página 36)

Thermostats Crestron CHV-TSTAT and CHV-THSTAT

Sensor Setup Related Digital Joins (continued)

Signal Name Symbol I/O Definition

OMIT_LOC_HUM_F Advanced Output Asserted when Omitting built in hum sensor (THSTAT)

OMIT_R1_HUM_F Advanced Output Asserted when Omitting remote 1 humidity sensor

OMIT_R2_HUM_F Advanced Output Asserted when Omitting remote 2 humidity sensor

R1_H_OUTDOOR_F Advanced Output Asserted when remote 1 humidity sensor is outdoor

R2_H_OUTDOOR_F Advanced Output Asserted when remote 2 humidity sensor is outdoor

Problem Solving

Troubleshooting

The table below provides corrective action for possible trouble situations. If further

assistance is required, please contact a Crestron customer service representative.

CHV-TSTAT/CHV-THSTAT Troubleshooting

TROUBLE POSSIBLE

CAUSE(S)

CORRECTIVE ACTION

No power from

system

Check for +24V on pins 24(C)

and 24(R)

No display

Incorrect mounting to

backplate

Check thermostat mounting

No power to

thermostat

Check circuit breaker

Check 24V connection at

thermostat and at furnace/air

conditioner

Recheck wiring connections

Heating/Cooling

system not

operating*

Thermostat minimum

off times operating

both systems

Wait 5 minutes

Indicator displays

Heat On, but no

heat from register

Fan turns on when

furnace reaches

setpoint

Cannot change

temperature

setting

The upper or lower

temperature limits

were reached.

Wait five minutes, then recheck

registers.

Setpoint heat range is 38 – 90º F

(3-38º C).

Setpoint cool range is 59-100º F

(15 – 38º C)

Furnace cycles too

quickly

Anticipator setting

too low

Reprogram anticipator. Refer to

“Thermostat Setup” on page 14

High temperature

variance

Anticipator setting

too high

Reprogram anticipator. Refer to

“Thermostat Setup” on page 14

*H1, H2, C1, C2 may appear but the system will not activate until the 5 minute timer guards

have been satisfied.

32 • Thermostats: CHV-TSTAT and CHV-THSTAT Operations and Installation Guide – DOC. 8163

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