Bosch OR80 OT Operating Instruction
Operating Instruction
Wall Hung Boiler Room Thermostat
OR80 OT Thermostat
COMFORT
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6 720 812 419-00.1O
6 720 812 419 (2014/07) en
2 Contents
6 720 812 419(2014/07)OR80 OT Thermostat
Contents
1 Symbols and safety precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
1.1 Key to symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
1.2 Safety instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2 Product instruction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.1 Proper use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.2 Electric parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.3 Main functions and features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.4 Cleaner . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
3 Product description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
4 Product appearance dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
5 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
5.1 Mounting position . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
5.2 Installation steps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
6 Operation instruction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
6.1 Temperature setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
6.2 Time setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
6.3 Function setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
6.4 Weekly program . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
7 Program . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Contents | 3
6 720 812 419(2014/07)
OR80 OT Thermostat
8 Basic operation procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
9 Temperature calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
10 Holiday mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
11 Boiler information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
12 Safety instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
13 Applicable models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
4 Symbols and safety precautions
6 720 812 419(2014/07)OR80 OT Thermostat
1 Symbols and safety precautions
1.1 Key to symbols
Warnings
The following keywords are defined and can be used in this document:
• NOTICE indicates a situation that could result in damage to property or
equipment.
• CAUTION indicates a situation that could result in minor to medium injury.
• WARNING indicates a situation that could result in severe injury or death.
• DANGER indicates a situation that will result in severe injury or death.
Important information
Additional symbols
Warnings in this document are identified by a warning triangle
printed against a grey background.
Keywords at the start of a warning indicate the type and
seriousness of the ensuing risk if measures to prevent the risk are
not taken.
This symbol indicates important information where there is no risk
to people or property.
Symbol Explanation
▶ Step in an action sequence
Cross-reference to another part of the document
• List entry
– List entry (second level)
Table 1
Symbols and safety precautions | 5
6 720 812 419(2014/07)
OR80 OT Thermostat
1.2 Safety instructions
General safety instructions
Thanks for using our room thermostat, please read the following content before
using:
▶ Please operate this product according to the instruction.
▶ Follow the manual to ensure complete functionality.
▶ Install and use heaters and other accessories according to the manual.
▶ Accessories only can be installed by authorized installer.
▶ Before installing the accessories:
Interrupt power supply of heaters and other members of bus (220~240V AC).
▶ Please inform the working way of the accessories, and guide customers to
operate.
▶ Heater is switched on when freezing danger occurs, and comply with anti-freezing
tips.
▶ The accessories must not be connected to power supply of 220~240V.
▶ Users should learn the product default setting (refer to “ 2.2 electric
parameters”).Don’t change default setting if not necessary.
▶ Mount the thermostat refer to “ 5.1 mounting position”
▶ HRT-196WT is powered by OT 3.3V low voltage.
▶ If the product breaks down within 12 months, we will fix it free of charge.
▶ There will be an extra charge under the follow situation even if it is within the
warranty expires:
– The fault is caused due to misuse or not follow the instruction;
– The destruction due to flood, fire, lighting strike;
– The damage caused during product dismantling and modification by the user
or mountainer not authorized by our company;
– Immersion in water, damp, collisions, extrusion which destroy the product.
▶ If you have any questions, please contact our manufacturer and agents.
6 Product instruction
6 720 812 419(2014/07)OR80 OT Thermostat
Damage caused by operational errors
Operational errors may cause personal injury and/or property damage.
▶ Ensure that children should not operate and/or play with the equipment under
unattended circumstances.
▶ Ensure that the equipment only can be touched by personnel who can operate the
equipment correctly.
2 Product instruction
OR80 room thermostat has the advantages of easy operation and practicality.
2.1 Proper use
Please carefully read this manual before using, and operate according to
requirements specified in the manual.
2.2 Electric parameters
When communication between OT controller and wall-hung boiler is
abnormal, hint "Error E1" will appear, and other failures please refer
to error code introduction of wall hung boiler.
Temperature setting range 5~35 °C
Measurement precision 0.1 °C
Hysteresis temperature ± 1 °C
Display LCD Dot matrix
Temperature sensor NTC
Power supply OT low voltage
Table. 2
Product instruction | 7
6 720 812 419(2014/07)
OR80 OT Thermostat
2.3 Main functions and features
• 24H Custom program function
• Recycle control temperature from Sunday to Monday
• Setting temperature in multi period per day
• Menu operation mode
• Temperature calibration
• 128*64 dot matrix display screen
• Display current temperature/time/week/working condition
• 1 user program function,7 fixed modes
• Program preview
• Fault display function
• Reset, quit operation function
2.4 Cleaner
▶ Use wet cleaning cloth to wipe the housing of controller. Must not use irritant or
corrosive detergent.
8 Product description
6 720 812 419(2014/07)OR80 OT Thermostat
3 Product description
Fig. 1
[1] + (increase)/ Up key
[2] Boiler working condition
[3] Mode/Return key
[4] – (decrease)/ Down key
[5] Current mode
[6] Week date
[7] Current room temperature
[8] Program preview
[9] Heating working condition
[10] DHW water working condition
[11] Left key
1
3
4
2
11
13
15
12
14
7 56910 8
6720812419-01.1O
Product appearance dimensions | 9
6 720 812 419(2014/07)
OR80 OT Thermostat
[12] 24H Display
[13] Main menu/confirm/set key
[14] Current time
[15] Right key
4 Product appearance dimensions
Fig. 2
The back plate of room thermostat is a standard 86*86 design and can be mounted
in standard junction box or fixed on the wall.
8733201143-02.1O
135.4 0.5
21 0.3
89.2 0.4
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