Crestron CHV-TSTATEX-FCU Instalační příručka stáhnout pdf (Strana 35)

Crestron CHV-TSTATEX-FCU infiNET EX Thermostat (Fan Coil Unit)

Operations & Installation Guide – DOC. 7206C infiNET EX Thermostat (Fan Coil Unit): CHV-TSTATEX-FCU

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CHV-TSTATEX Troubleshooting (Continued)

TROUBLE POSSIBLE

CAUSE(S)

CORRECTIVE ACTION

System cycles

too quickly.

Anticipator setting

is too low.

Reprogram anticipator setting (refer to

“Setup Mode Parameters/Functions”

which starts on page 19).

Poor battery

life.

Ensure that the

power switch

selection position

is proper for the

expected

conditions.

Using the 24VAC position prevents

power steal operation and causes a

device to run on battery alone if no

24 V input is available.

Using the STEAL position prevents

the 24 V input from being used even if

it is available.

Cool-only applications with nothing

connected to R or W cannot

power-steal.

Ensure heat system is available if

using power steal or follow the

cool-only notes in that section.

Check for

communication

problems using

standard RF

troubleshooting.

Fringe communication and excessive

gateway reconnect attempts cause

extended runtime which consumes

battery power more quickly.

Unit is using

remote sensors.

Avoid using remote sensors when

running on battery alone. Setup

system so that power-steal is

available.

A long backlight

time is being used.

Avoid long backlight runtimes if the

user interface is operated frequently.

Room has high

temperature

variance.

Anticipator setting

is too high.

Reprogram anticipator setting (refer to

“Setup Mode Parameters/Functions”

which starts on page 19).

Wide

temperature

variance in

single setpoint

Auto mode.

Auto Dead Band

setting is too high.

Reprogram Auto Dead Band (db)

setting (refer to “Setup Mode

Parameters/Functions” which starts

on page 19).

Heating/Cooling

not operating in

single setpoint

Auto mode.

20 minute system

toggling lockout.

Reprogram Auto Dead Band (db) and

anticipator settings for smoother

operation (refer to “Setup Mode

Parameters/Functions” which starts

on page 19).

Cannot enter

Auto mode.

Auto mode is

disabled in setup.

Reprogram Auto mode setting (AU) to

“S” (for single setpoint operation) or

“d” (for dual setpoint operation) (refer

to “Setup Mode

Parameters/Functions” which starts

on page 19).

(Continued on following page)

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