Systems With Additional Vmf Crp Modules - AERMEC MULTI CONTROL Booklet

• Systems with additional VMF CRP modules:

- System for production of domestic hot water, managed by 3-way diverter valves, and supplementary electric resistance to
reach temperatures suitable for execution of the anti-legionella cycle.
- Possibility of implementing and managing 2-pipe or 4-pipe systems.
- Management of units based on:
• thermostats of each appliance.
• DELTA T on system.
- Remote control through VMF CRP number 3.
- Compensation of work setting through outdoor air available by means of KSAE accessory.
(*) The MULTI CONTROL accessory manages the units through an RS485 serial connection; for the
system to work properly, all the units must be equipped with the MODU485A accessory.
SAE
A
U
nit (1) (*)
Component Function
Accessory module for management of:
- 3-way diverter valves.
VMF CRP (1)
- System inlet and outlet water probe (SIW, SUW).
- DHW storage tank water probe (SAS).
- KSAE accessory for outdoor air temperature (SAE).
VMF CRP (2)
Accessory module for management of supplementary electric resistance in DHW storage tank.
Accessory module making it possible to remotely manage some functions:
- System On/Off, Alarm reset, Season changeover (via Inputs).
VMF CRP (3)
- Alarm summary, Alarm presence, System status (ON/OFF), Season status (HEATING/COOLING), Season
changeover (via Outputs).
RS485 serial connection
U U
nit (2) (*) nit (3) (*)
A A
A A
VMF-CRP
(1) (2)
A
U
nit (4) (*)
A A
SIW
A A
A
B
MULTI CONTROL
(3)
B C
SUW
A
SAS
A
GB
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