Electrical Connections
10
Overview
Open up the terminal compartment
by
unscrewing the screws
in the cover
below the programming unit
.
Mother board
for heating circuit pump
Connect via connector
AC 120 V
~
for power supply.
Cord and plug factory supplied;
AC 120 V
~
60 Hz;
15 A receptacle required (field
supplied).
Fuse F1
On/off switch
Strain relief clamp
Low voltage connections
X14 for outdoor temperature
sensor or room temperature
sensor (accessory)/
supply temperature sensor
X3 not used
or
X3 for return temperature
sensor (accessory) in
conjunction with underfloor
heating circuit
X1 for WS/RS remote control
unit (accessory)
or
X16 for wall mounting fixture
(assembly)
for using Comfortrol program-
ming unit as a remote control
X11 for external heat demand
(open mixing valve) / external
heat disable (close mixing
valve)
or
for external changeover of
the heating program
X16 not used
5167
137
Fig. 3
Electrical connections
Summary of Contents for Dekamatik-HK1
Page 23: ...Appendix 23 Notes 5167 137...
