Installation Instructions

Heating controls

6 720 645 817 (2010/09)

ISM 1 Application

• Solar module for solar DHW heating in conjunction with Fx controller

• Communication with the condensing boiler and controller via 2-wire BUS

• 3 switching outputs 230 V AC, 50 Hz, 2.5 A, max. 80 W

• 3 sensor inputs

• Function status LED

Installation

• Top-hat profile rail installation or wall mounting (height/width/depth: 110/156/55 mm)

• Power supply 230 V AC, 50 Hz, 2.5 A

Standard delivery

• 2 x cylinder temperature sensors

• 1 x collector temperature sensor

Part no. 7 719 002 740

ISM 2 Application

• Solar module for solar DHW heating and solar central heating backup in conjunction

with Fx controller

• Communication with the condensing boiler and controller via 2-wire BUS

• 6 switching outputs 230 V AC, 50 Hz, 2.5 A, max. 80 W

• 6 sensor inputs

• Function status LED

Installation

• Top-hat profile rail installation or wall mounting (height/width/depth: 155/246/57 mm)

• Power supply 230 V AC, 50 Hz, 2.5 A

Standard delivery

• 1 x cylinder temperature sensor

• 1 x collector temperature sensor

• 1 x flow temperature sensor

Part no. 7 719 002 741

IEM Application

• Extension module for integrating extended heating circuits, e.g. convector heaters or

swimming pool controllers in conjunction with FW 500

• Communication with the controller via 2-wire BUS

• Three switching outputs 230 V AC, 50 Hz, max. 200 W per connection

• Three floating inputs

• Function status LED

Installation

• Top-hat profile rail installation or wall mounting (height/width/depth: 110/156/55 mm)

• Power supply 230 V AC, 50 Hz, 4 A

Part no. 7 719 002 968

Tab. 29