Standards, regulations and directives
7
Control 8313 – 6720859567 (2017/03)
System status, function status, component status
The status of the system, the functions and system components is
displayed via the Function status display ( Fig. 6, [1], page 12), the
System components status display ( Fig. 6, [15], page 12) and the
LED status display ( Fig. 2, [6]):
• Green = system in automatic mode
• Yellow = system in manual operation, Flue gas test, Service display or
Blocking fault SAFe
• Yellow flashing = Control unit coupling
• Red = Fault
Battery CR2032
The battery ensures that the time and date are not lost when the
control unit is switched off or in the event of a voltage failure
( Fig. 4, [8], page 9).
3.3 Central module ZM5313
The central module controls the following functions:
• Functions of a boiler circuit or a heating circuit with mixer
• Functions of the DHW supply
• BUS communication with the SAFe burner control unit
• Function of the safety chain (SI chain)
• Function of flue gas damper
• Modulating control of boiler circulation pump (possible via 0...10 V)
3.4 NM582 power supply module
The power supply module ( Fig. 1, [2], page 6) supplies voltage to the
following components:
• Control unit
• Load outputs (e.g. pumps, burners, actuators)
• Boiler controller
• Modules used and corresponding connected system components
(e.g. sensor)
It is equipped with:
• 2 safety switches (10 A) as fuse protection of the power sources for
– the central module and user interface
– the modules at slots 1...4
• ON/OFF switch, that switches the phase (L) and neutral conductor (N)
If a safety switch has tripped due to overload, the pin projects noticeably
out of it.
To switch on the safety switch:
▶ Push in the pin.
If the safety switch triggers frequently:
▶ Check the current consumption.
3.5 Base module BM592
A power supply for 24 V components is available at slot C on the base
module.
• Connection: 24 V =, max. 250 mA
▶ Do not exceed the total current.
3.6 FM-MM function module (accessory)
The FM-MM module regulates 2 independent heating circuits with mixer.
The module can be used more than once in the control unit. The
functions of the module are selected and adjusted via the display.
The adjustable functions and parameters are described in the menu
structure of the control unit ( Chapter 9, page 17).
3.7 FM-MW function module (accessory)
The FM-MW module regulates 1 heating circuit with mixer and 1 DHW
supply system. The module can be used more than once in the control
unit. The functions of the module are selected and adjusted via the
display.
The adjustable functions and parameters are described in the menu
structure of the control unit ( Chapter 9, page 17).
3.8 FM-SI function module (accessory)
The purpose of the FM-SI function module is to integrate external
safety equipment into the system or system control. When integrated
into the system control, faults are evaluated via the control unit
(observe Chapter 5.8, page 10).
Examples of external safety equipment:
• Low water indicator
• Pressure limiter
• Additional high limit safety cut-out (STB)
3.9 FM-RM function module (accessory)
The module allows components (e.g. coupling relay, modem) to be
installed on a mounting rail. It can only be installed at slot C.
The maximum overall height of the components is 60 mm. The maximum
supply voltage is 230 V.
4 Standards, regulations and directives
The following are some of the regulations and standards that must be
observed during installation and operation:
• Regulations for electrical installation and connection to the
electrical grid
• Pressure Equipment Directive – systems with boiler temperatures
> 110 °C
• EN 12953-6 – Shell boilers. Requirements for equipment
for the boiler
• EN 12828 – Heating systems in buildings
• ICOM Water treatment guide for commercial heating systems.
• Country-specific regulations to protect potable water
(e.g. DVGW Code of practice W551– Drinking water protection)
• Manufacturer's technical Codes of Practice (e.g. in the catalogue)
• National standards and regulations
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