Theben RAMSES 856 Guide d'installation
RAMSES
RAMSES 856 top2 OT
Heating controller
8569132
309560 04
GB
RAMSES 856 top2
Installation and
operating guide
OT Box RAMSES top2 OT – Standard box
F
NL
E I
GB
D
Proper use
The heating controller RAMSES 856 top OT consists of the OT-Box
RAMSES top2 OT as well as the room thermostat RAMSES 850 top2
OT, which transmits the values (target/actual values) via the Open-
Therm bus. The 7-channel regulator regulates 2 heating circuits
with the required circulation pumps and temperature sensors. In ad-
dition, the domestic hot water circulation is maximised via program
control with optional legionella protection function. The range of
functions can be extended via connection of 2 OT boxes.
• The device is intended for wall installation in the boiler room
• Corresponds to Type 1 B in accordance with IEC/EN 60730-1
• The entire system serves the purpose of digital heating
regulation for time-dependent monitoring and control of room
temperature (by means of circulation pumps, burner and/or
motor mixing valve)
• It is used in dry rooms with normal levels of domestic cleanliness
• The controller is suitable only for the Heating-
systems listed. For use in connection with other
systems, contact the service department of Theben AG
• Accessories: optional: RAMSES 850 top2 OT ( (8509132),
feed temperature sensor (9070371), plunge sensor (9070379),
floor sensor (9070321), external temperature sensor (9070459),
additional OT box for system 5 (standard box 9070712)
Disposal
Dispose of equipment in an environmentally sound manner
Contents
Proper use 2
Disposal 2
Safety advice 3
Installation and dismantling 3
Connection 4
Terminal layout 5
Description 6
Start-up with RAMSES 850 top2 OT 7
Set TSP parameters (Transparent Slave Parameters) 8
Set heating curve of second heating circuit on controller 8
Systems/Applications 1–5 9
System 1 10
System 2 11
System 3 12
System 4 13
System 5 – comfort box 14
Switch chimney sweep function on/off 17
Operating hours counter 17
Connect USB/GSM modem 17
Error messages 18
Technical data 19
Service address/Hotline 20
22
Use correct type of fuse for external fuse!
Overload leads to destruction of the relay.
Avoid excessive heat generation.
Safety advice
Danger of death through electric shock or
fire!
Installation should only be carried out by a
qualified electrician!
WARNING
Installation
Remove baffle.
Unlock and remove upper part of OT box RAMSES top2 OT by
turning the bayonet socket 90° anti-clockwise.
Attach base of the OT Box RAMSES top2 to the wall
with enclosed material.
Click terminal into the terminal support and connect cable
with the OT connection terminals.
Power supply line of the OT bus, attach the outputs and
sensors in accordance with the selected connection diagram
to the connection terminals of the base (see connection
diagram on page 9).
3
Put on upper part of the OT-Box RAMSES top2 OT, click in
and secure with bayonet socket.
Afterwards optionally click in baffle or RAMSES 850 top2 OT
in opening.
Connect OT-Box RAMSES top2 to power supply.
Dismantling
Remove RAMSES 850 top2 OT or screen.
Use a screwdriver to unlock upper part, remove and
open device. If necessary take base from wall.
GB
OT terminal
Bayonet socket
10 9
FF
NC
NC N
876 5 43 2 111
11
12
12
13
13
14
14
15
15
16
16
17
17
18 19 20
20
19
18
876 5 43 2 1
N N N NNNN
LL'L'L'
L'L'L'L'
230 V~ 50 Hz
SELV
1,25 A T
1,25 A T
Connection
Danger of death through electric shock!
Must be installed by qualified electrician!
Disconnect power source.
Cover or shield any adjacent live components.
Ensure device cannot be switched on!
Check power supply is disconnected.
Earth and bypass.
WARNING
Connect all consuming equipment (pumps, etc.) and sensors.
Connect RAMSES 850 top2 OT via OT interface.
Connect mains power between (L) (N) (terminal ).
Inputs and outputs of the OT Box RAMSES top2 OT
4
OutputsInput fault Inputs
Bus bar
earthing
conductor
Input fault
230 V~50 Hz
10 9
FF
NC
NC
1
Terminal layout
Power connection
Outputs
– Heating circuit 1 pump as relay output
– Heating circuit 2 pump as relay output
– Burner as relay output
– Mixer closed (or 2nd burner stage) as relay output
– Mixer closed (or 2nd burner stage) as relay output
– Pump for domestic hot water feed as relay output
– Pump for domestic hot water circulation as relay output
N
876 5 43 2 1
876 5 43 2 1
N N N NNNN
LL'L'L'
L'L'L'L'
230 V~ 50 Hz
11
11
12
12
13
13
14
14
15
15
16
16
17
17
18 19 20
20
19
18
SELV
5
GB
6
8
7
5
4
3
2
1
Inputs
– Input fault (see page 4)
– OpenTherm-Slave (Connection RAMSES 850 top2 OT)
– OpenTherm-Master (Connection of second OT-Box)
– Domestic hot water temperature sensor
– Feed temperature sensor (mixer circuit)
– Boiler temperature sensor
– External temperature sensor
– Domestic hot water return temperature sensor
(controls circulation pump)
The connected devices or sensors must be suitable for
SELV or marked with protection class III.
19
18
9 10
17
16
20
13
14
not used
11 12 15
Description
LED for operating state OpenTherm
LED for pump 1
LED for pump 2
LED for burner (or error)
LED for mixer open
LED for mixer closed
LED for domestic hot water (DHW) feed
LED for domestic hot water (DHW) circulation
Button for switching outputs
(for test function without RAMSES 850 top2 OT)
Button and LED for chimney sweep function
USB connection
6
12
12
12
12
12
12
12
1
2
1
2
•The OT box RAMSES top2 can be adapted for the particular
heating system (5 systems) by setting different applications.
•The selection “Weather or room-dependent control” is made
via the sensor connection. If an ambient temperature sensor
is connected, it will be automatically detected and
weather-dependent control will be carried out.
•All applications have a pump protection function.
•Almost all functions are controlled and displayed via
RAMSES 850 top2 OT. The following messages are displayed:
HC Pump on
Burner on/off
Domestic hot water preparation on
Weather-dependent control
Start-up with RAMSES 850 top2 OT
After connection, the messages follow in the display
(see image).
Language, room controls or OT controls, date, time and summer/
winter time can be set in the MODE menu under TIME/DATE or
SERVICE.
To set other functions, see operating manual for
RAMSES 850 top2 OT.
ROOM
CONTROL
EXTERNAL
TEMPERATURE
CONTROL
GERMAN
YEAR
MONTH
DAY
HOUR
MINUTE
ROOM
7
GB
TEMPERATURE
21.6°C
Set TSP parameters
(Transparent Slave Parameters)
The TSP parameters are set in the SETTINGS menu.
Confirm TSP-PARAMETER with OK.
15 parameters can be set (see below).
Parameter 0 includes the 5 systems/applications.
Use + or – keys or rotary control to enter the
value and confirm by pressing OK.
The value is transferred to the OT Box RAMSES top2 OT.
15 parameters are available from 0–14:
0 System selection (1, 2, 3, 4, 5 èdefault 1)
1 Boiler base temperature (10 ... 50 degrees, default 10 = off)
2 Max. feed temperature main circuit
(30 ... 90 degrees, default 80)
3 Max. feed temperature auxiliary circuit (rear mixer)
(30 ... 90 degrees, default 40)
4 Boiler hysteresis (1 ... 15 K, default 5)
5 Domestic hot water hysteresis (1 ... 10 K, default 5)
6 Domestic hot water priority / parallel operation (default ...)
7 Domestic hot water pump switch-off delay (0 ... 20 mins,
default 10)
8 Domestic hot water for frost protection (default ...)
9 Time for domestic hot water circulation pump:
0: Domestic hot water circulation pump only runs
when temperature-controlled
0–99: Domestic hot water circulation pump via ΔT on,
Value is the maximum runtime in s
10 Pump protection time (0 .. 11 pm, default 12)
11 Pump protection duration in s (0…99, default 15,
0 = no pump protection)
12
ΔT for sequence control (5 ... 25, default 15) resolution 0.1 K
13 ΔT1 for pump switch heater 1 (5 .. 15 K, default 5 K)
14 ΔT1 for pump switch heater 2 (5 .. 15 K, default 5 K)
Further information available in product
manual for OT box RAMSES top2 OT at
www.theben.de.
Set heating curve of second heating circuit on controller
The heating circuit is adjusted in the SETTINGS menu.
On the room thermostat RAMSES 850 top2 OT the heating curve for
2 heating circuits can be adjusted (see RAMSES 850 top2 OT oper-
ating guide, page 31). Base point2 and end point2, etc. must be set
on the room thermostat.
Setting range: Base point 10–30 °C, default 20 °C
End point 25-60 °C, default 35 °C
TSP
PARAMETERS
TSP1
1
TSP2
10
8
Systems/Applications 1–5
•For the systems or applications 1-4 the OT-Box RAMSES top2
OT is required. The OpenTherm bus links RAMSES 850 top2 OT
with the OT box RAMSES top2 OT.
•System 5 requires 2 OT boxes (centre box and end box),
which are linked via the OpenTherm bus. RAMSES 850 top2
OT as well as both boxes are linked with one another via the
OpenTherm bus. The centre box must be linked to the 0–10 V
(terminal 15 - 15) input with a wire bridge.
With the RAMSES 856 top2 OT an additional OT box (standard
box 9070712) will be required for this system.
9
GB
RAMSES 850 top2 OT with 2-wire connection to 1 box
RAMSES 850 top2 OT with 2-wire connection to 2 boxes
End box
Centre box
OT
Input
0–10 V
OT
OT
*
* Wire bridge
10
System 1
System 1 consists of a maximum of:
• Burner
• Heating circuit without mixer
• Heating circuit with mixer
• Water storage tank
• Domestic hot water circulation pump
(Domestic hot water return pump)
The individual functions are activated by connecting the
appropriate sensor, i.e. the domestic hot water program is
only executed when the domestic hot water temperature
sensor is connected.
Output configuration
• Heating circuit pump Heating circuit 1
• Heating circuit pump Heating circuit 2
• Burner
• Mixer +
• Mixer –
• Domestic hot water feed pump
• Domestic hot water circulation pump
N
876 5 43 2 1
876 5 43 2 1
N N N NNNN
LL'L'L'
L'L'L'L'
230 V~ 50 Hz
11
11
12
12
13
13
14
14
15
15
16
16
17
17
18 19 20
20
19
18
SELV
8
7
6
5
4
3
2
Heizkörper
Fußboden
Frischwasser
Wärmeerzeuger
Brenner
Feed temperature sensor 17
Burner
Heater
Boiler temperature sensor 18
Pump heating
circuit 1 8
Fresh water
Mixer + 5
Mixer – 4
Domestic hot water temperature sensor 14
Domestic hot water return
temperature sensor 20
Pump domestic
hot water feed
3
Pump domestic hot
water circulation 2
Pump heating circuit 2 7
External
temperature
sensor 19
Heating element
Floor
Domestic hot
water tank
Input configuration
• Domestic hot water temperature
• Feed temperature heating circuit 2
• Boiler temperature
• Outdoor temperature
• Domestic hot water return temperature 20
19
18
17
16
Unrequired sensor inputs must be closed off with a
resistor (100 ohm,enclosed).
Power connection 1-
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