General information
Contents
5
HC FUNCTION
(heating circuit function selection)
38
PUMP MODE (pump operating mode)
39
MIXER OPEN (open mixer dynamic)
39
MIXER CLOSE (close mixer dynamic)
40
MAX T-FLOW (max. flow temperature)
40
MIN T-FLOW (min. flow temperature)
40
T-FROST PROT (frost protection temperature) 40
OUT-TEMP-DEL (outside temperature delay) 40
SLOPE OFFSET (heating slope distance)
41
B-HEAT SINK (circuit enable)
41
Part 3: General function description
41
Heat circuit control
41
Weather-dependent control
41
Room sensor influence
41
Hot water generation
42
Frost protection function
42
EEPROM check
42
Circulation pump control
43
Switched according to heating requirement
43
Switched according to heating limits
43
Delayed pump switch-off
43
Pump blocking protection
43
Mixer motor blocking protection
43
Part 4: Installation and Start-up
44
Installation 44
Assembly / Dismantling
44
Connecting instructions
45
System diagram with direct heating circuit
46
System diagram with header pump
47
Connection diagram
48
Terminal assignment
48
Remote controls
49
Operation-control module BM 8
49
Remote control FBR2
49
Sensor resistances FBR
50
DCF receiver
50
PC 50
Maximum delimiter
51
Telephone switch
51
Sensor values / characteristic curve
52
Outdoor sensor AF (AFS)
S
53
Boiler sensor KF (KFS)
H
53
Flow sensor VF (VFAS)
v
54
Storage tank sensor SPF (SPFS)
F
54
Commissioning 55
Commissioning procedure
55
System bus
56
The heating system
56
Bus ID
56
Error messages
57
Troubleshooting 58
Technical data
59