Danfoss 088U0200 Instructions Manual page 5

Instruction CF-MC Master Controller
1. Introduction
• The Master Controller, CF-MC, is a part of the new trend-setting CF2 wire-
less hydronic fl oor heating control system from Danfoss. Based on 2-way
wireless communication technology CF2 off ers high transmission safety,
easy wireless installation, a high level of individual room temperature
control, and thus optimal comfort and improved energy effi ciency.
• The system has a variety of benefi cial features and easily accessed applica-
tion functionalities. This includes a Master Controller, CF-MC, with short-
circuit protected outputs, regulation by ON/OFF or Pulse Width Modula-
tion (PWM) principles, global standby, separate relays for both pump
and boiler control, self-diagnostic program and error indication, wireless
transmission (link) test possibility on each type of Room Thermostat, easy
wireless system access and extended functionality via the optional Remote
Controller, and Repeater Unit for extended wireless range.
2. CF2 System Overview - fi g. 1
a) Master Controller, CF-MC
b) Room Thermostats, CF-RS, -RP, -RD and -RF
c) Remote Controller, CF-RC
d) Repeater Unit, CF-RU
e) External Antenna, CF-EA
3. Functional Overview - fi g. 2
Menu selection button
Menu LEDs
Output and confi guration selection button
OK button
Output LEDs
Output cable fi xing
Relays for pump and boiler
Input for heating/cooling (external ON/OFF switch)
Input for global standby (8°C) (external ON/OFF switch)
Power supply (230V)
Front cover release
External antenna connection
VI.UH.K2.80
4 Produced by Danfoss Floor Heating Hydronics 01.2006