General information
Contents
5
Rflow cool diff
34
Max T-Bu HW, BU, 3
34
Sol Kick Period [sec]
34
Sol Kick Pause [min]
34
Sol Kick Gradient [min]
34
Part 3: General function description
35
Heating circuit control
35
Weather-dependent control
35
Room sensor influence
35
Hot water generation
35
BoB => operation without burner
35
Frost protection function
35
eBUS burner controls
35
EEPROM check
35
Circulation pump control
35
Switched according to heating requirement
35
Switched according to heating limits
36
Delayed pump switch-off
36
Pump blocking protection
36
Mixer motor blocking protection
36
Cooling mode - refrigerating machines
36
Cooling mode - heating circuit
36
Part 4: Installation and Start-up
37
Installation 37
Assembly / Dismantling
37
Connecting instructions
38
Connection diagram
39
Choice of installation
40
Installation 01 = Merlin 4034 => cascade
controller for modulating boiler
40
Terminal assignment
40
Installation 02 = Merlin 4834 => cascade
controller for switching boiler
41
Terminal assignment
41
Installation 03 = Merlin 3611 => 0-10V controller 42
Terminal assignment
42
Installation 04 = Merlin 0634 => Standard
controller with 2-stage HS
43
Terminal assignment
43
Installation 05 = 2HS controller =>
2 HS cascade switched via relay
44
Terminal assignment
44
Installation 06 = Merlin 6644 => Pellet and buffer
controller 45
Terminal assignment
45
Installation 06 = Merlin 6644 => Pellet and buffer
controller with combination storage =>
with parameter settings!
46
Terminal assignment
46
Installation 07 = Merlin 1144 => Mixer valve
extension 47
Terminal assignment
47
Installation 09 = Cooling function in heating
circuit return
48
Terminal assignment
48
Installation 10 = Central cooling function and
solar integration
49
Terminal assignment
49
Solar installations - examples
50
Accessories 51
The operating module Merlin BM, BM 8 and
Lago FB
51
Remote control FBR2
51
Telephone switch
51
DCF receiver
51
PC 52
System bus
52
Bus ID
52
Sensors 52
Sensor values / characteristic curve
52
Outdoor sensor AF (AFS)
S
53
Immersion sensor KF (KFS)
H
/ SPF (SPFS)
F
53
Flow sensor VF (VFAS)
v
53
Commissioning 54
Process 54
Basic settings
54
English 54
Time 54
Year/Month/Day 54
Configuration 54
Plant select
(selecting basic controller functions)
54
HS1 Type (first heat generator type)
54
HS1 BUS (connection for HS)
54
HS2 Type (second heat generator type => A7) 55
Storage HS2 (heat accumulator for HS2)
55
Buffer type (heater buffer storage type)
55
Cooling mode
(Space cooling via operating mode)
55
Gradient 55
HC FUNCTION 1/2
(heating circuit function selection)
55
Capacity / Stage (HS output for each stage)
56
Auxiliary relay functions
57
MF 1 Func (function selection relay MF1)
57
T-MF1 Setpoint
(switching temperature relay MF1)
59
MF 1 Hyst (hysteresis relay MF1)
59
Solar parameters
60
Max T-Solar
60
Min T-Solar ON
60
Min T-Solar OFF
60
T-Solar protect
60
Rflow cool diff
60
Max T-Bu DHW, BU, 3
60
Sol Kick Period [sec]
60
Sol Kick Pause [min]
60
Sol Kick Gradient [min]
60
F15 function (sensor function for F15)
60
Bus ID (heating circuit number):
60
Sensors 60
Part 5: Appendix
61
Error Messages
61
Troubleshooting 61
Dimensions 62
Glossary 62
Technical data
63