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System 5 – comfort box
The Comfort box consists of RAMSES 850 top2 OT and 2 standard
boxes (centre box and end box).
With it additional inputs/outputs are available for the connection
of pumps, etc. Standard box (without RAMSES 850 top2 OT) can
be obtained from Theben.
With the RAMSES 856 top2 OT an additional OT box (standard
box 9070712) will be required for this system.
On the centre box attach wire bridge to input 0–10 V
(terminal 15 – 15) (see figure).
RAMSES top2 OT with 2-wire connection to 2 boxes
Centre box
OT
System 5 consists of:
• Burner
• Heating circuit 1 with mixer
• Heating circuit 2 with mixer
• 2. Heater (e.g. solid fuel boiler)
• Buffer storage
• Water storage tank
• Domestic hot water circulation pump
(Domestic hot water return pump)
USB
*
Input
0–10 V
OT
14
End box
*
Wire bridge
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