Bosch TSTBM3H2CPH6W-A Installation Manual download pdf (Page 27)

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Revised 02-13 Subject to change without prior notice

27TSTBM3H2CPH6W-A

SPECIFICATIONS

TSTBM3H2CPH6W-A Thermostat

The display range of temperature 41ºF to 95ºF (5ºC to 35ºC)

The control range of temperature 44ºF to 90ºF (7ºC to 32ºC)

Load rating 1 amp per terminal, 1.5 amp maximum all terminals combined

Display accuracy ± 1ºF

Swing (cycle rate or differential) Heating is adjustable from 0.2ºF to 2.0ºF

Cooling is adjustable from 0.2ºF to 2.0ºF

Power source 18 to 30 VAC, NEC Class II, 50/60 Hz for hardwire (common wire)

Operating ambient 32ºF to +105ºF (0º to +41ºC)

Operating humidity 90% non-condensing maximum

Dimensions of thermostat 4.7”W x 4.4”H x 1.1”D

Frequency 916 MHz

Base Module

Load rating 1 amp per terminal, 1.5 amp maximum all terminals combined

Power source 18 to 30 VAC, NEC Class II, 50/60 Hz

Operating ambient 32ºF to +150ºF (0º to +65ºC)

Operating humidity 90% non-condensing maximum

Specications

TROUBLESHOOTING

Troubleshooting the thermostat communication with the base module or remote sensors:

If the thermostat is not

communicating with the

base module, follow

these steps:

1. Reestablish the communication following the steps on page 13

2. Conrm that the base module has power from the air handler unit by

observing that the LED lights are visible. If LED lights are off, verify that there

is power to the air handler and the wiring between the air handler unit and

base module are correct.

3. Ensure that the thermostat has good battery power by checking if the battery

icon is present or not. If the battery icon is present on the thermostat display,

replace the batteries and perform the communication setup as described on

page 13 again.

If the outdoor

temperature sensor or

remote room

temperature sensor are

not communicating with

the thermostat, follow

these steps:

1. Reestablish the communication for that particular device following the steps

in the manual for that component.

2. Ensure that the remote sensor has good battery power by checking if the

battery icon is present or not. The thermostat will also display “bA” next to the

components name if the sensor’s batteries are low. If the battery icon is

present on the sensor’s display, replace the batteries and perform the

communication setup as described in that sensor’s manual.

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Bosch TSTBM3H2CPH6W-A Installation Manual Page 27

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