Installing The System Mmi Pack; Installing The Rf Receiver - Hitachi System MMI Pack Guia De Instalacion

Installation and Operation Manual
4

2. Installing the System MMI Pack

Please follow the illustrations and information below in sequence to install the RF Receiver and Room
Unit correctly. To enable special features and see what other system options are available refer to section
3. Installer Mode on page 7.

2.1 Installing the RF Receiver

1
NOTE: The RF Receiver contains no user serviceable
parts. It should be opened and installed by qualified
installer only.
WARNING: Electrostatic sensitive device! Do not touch
the circuit board.
3
RF Receiver
System
Controller
OpenTherm - communication
®
The System MMI Pack can be connected to other
OpenTherm appliances. For the correct wiring
connections refer to the installation manual of the
OpenTherm device.
NOTE: All wiring must be in accordance with IEE
regulations
CAUTION: Observe ambient temperature and current
limits (see the RF Receiver wiring label)
2
max. 30m. 2 x 0.5mm
4
System
Controller
; 2 x 0.8mm
2 2