Thermostat Installation - Hitachi ATW-RTU-07 Installations- Und Betriebshandbuch

Installation instructions
• Overvoltage category: Class 2
• Pollution category: Class 2
• Operating Temperature: 0°C to + 60°C
• Operating Humidity: between 30% and 80%
• Equipment protection rating: IP21
• Maximum altitude for use: < 2000m
1.4.4 Communication
• Radio frequency and maximum power used: 868.0 MHz -
868.6 MHz / ERP <25 mW
• Receptor class 2
• YUTAKI H-LINK:
- Communication line: Non-polar, twisted shielded pair cable
- Communication system: Half-duplex
Communication method: Asynchronous
-
- Transmission Speed: 9,600 bauds
- Wiring length: 1,000 m maximum (total length of H-LINK
I/O bus)
- Maximum number of RF receivers: 1 H-LINK system RF
receiver
1.4.5 Simplified declaration of conformity
Hereby, Johnson Controls-Hitachi declares that the radio
equipment type 2 is in compliance with directive 2014/53/EU.
1.4.6 DSW configuration
Factory setting
In case of applying high voltage to the terminal 1-2 of TB
(Transmitting wires), the fuse on the PCB is cut. In such
a case, firstly correct the wiring to TB and then turn ON
switch 1 (as shown in the figure)

1.5 THERMOSTAT INSTALLATION

1 Locate the thermostat.
• Away from draughts
• Away from heat sources
• Away from direct sunlight
• Positioned about 1.2m – 1.5m from the floor
4 PMML0502 rev.1 - 01/2021
Do not place
in the sunlight
above a heat source
Avoid
air currents
Do not place
1.5 m