Bosch TSTBT4H2CP-M--A, Owner'S Manual

Page: 9 / 24

6 720 220 380 Revised 06-13 Subject to change without prior notice
TsTbT4h2CP series
9
disPlayinG and reseTTinG The
serviCe messaGes
The“Filter”,“HumPad”or“UV Bulb”will blink whenever
their service hours have exceeded the time interval in
100s of hours for cleaning or replacement. After servicing
the fi lter, humidifi er pad or UV bulb, press and hold the
key area in gray for 4 seconds to reset the hours.
Inside
Filter
We
Day
HEAT
Schedule
AUTO
FAN MENU MODE NEXT ENTER
Heat
Set To
SYSTEM
AM
Press and hold in this area
for 4 seconds to reset filter
monitor hours.
“Filter” linking
If multiple fl ags are blinking, you will have to repeat the
process for each fl ag.
faulT Codes
The TSTBT4H2CP Thermostat Series communicates with
a Florida Heat Pump or Bosch heat pump through the
compressor protection module (UPM) board. The UPM
communicates fault codes utilizing a combination of
pulses. The translating module deciphers these pulses
and relays the associated fault to be displayed on the
thermostat.
enablinG faulT Code messaGes
Run a low voltage wire from the ALR-OUT terminal
connection on the UPM board to the PDU terminal on the
TRM.
Caution
This feature is only available with a Florida
Heat Pump or Bosch Heat Pump.
Caution See page 8 for wiring diagram.
disPlayinG equiPmenT serviCe
messaGes
The word“Message”will blink anytime an equipment
service message is present. To display the message, Press
in the key area shown in gray for 4 seconds.
Inside
Message
We
Day
HEAT
Schedule
AUTO
FAN MENU MODE NEXT ENTER
Heat
Set To
SYSTEM
AM
hiGh Pressure alerT
The equipment has detected a high head pressure
condition and prohibited heating and cooling calls.
Contact your local contractor for service. Press the
enTer key to return to normal thermostat display.
Message
HEAT
AUTO
FAN MENU MODE NEXT ENTER
SYSTEM
Message
HEAT
AUTO
FAN MENU MODE NEXT ENTER
SYSTEM
low Pressure alerT
The equipment has detected a low head pressure
condition and prohibited heating and cooling calls.
Contact yourlocal contractor for service. Press the enTer
key to return to normal thermostat display.
service messages