Rotex HPSU compact 304 Installation And Maintenance Manual

4 x Set-up and installation
FA ROTEX HPSU compact 4 - 06/2015
27
4.4.16 Connection of the ROTEX room thermostat
K1/2/3
Relay for backup-heater
LPhase
N Neutral
PE Protective earth conductor
RTX-AL4
Switch board (interface)
RTX-EHS
Switch board (Backup heater)
X1 Terminal block for mains con-
nection to backup heater
X2_1 /2/3

Internal cabling
X3 Plug connection internal ca-
bling to RTX-AL4 circuit
board
Fig. 4-29 Connections on RTX-EHS circuit board
This component has a separate manual attached,
including among other things instructions for installation
and operation.
Fig. 4-30 Connection with cabled room thermostat 
(RT = ROTEX RKRTW, 14 10 03)
Fig. 4-31 Connection with radio room thermostat

(RT-E = ROTEX RKRTR, 14 10 04)

Rotex HPSU compact 304 Specifications

General

Brand	Rotex
Model	HPSU compact 304
Category	Controller
Language	English