HKS lazar HTi20, Installation & Operation Manual

Page: 27 / 48

Symbol Contact No Description
G1 NO1-N Heater
ZM N07-N Circulation 2 mixers - opening
N08-N Circulation 2 mixers - closing
ZT NO5-N-L1 Three-way valve
P01 NO4-N-PE Main pump
P02 NO6-N-PE Heating circuit pump 1
P03 NO9-N-PE Heating circuit pump 2
Tz B1-GND Supply temp. sensor
TP B3-GND Return temp. sensor
T
CWU
B2-GND Hot water temp. sensor
T2 B7-GND Flow temperature sensor circuit 2
TP1 B4-GND Ambient temp. sensor 1
TP2 B5-GND Ambient temp. Sensor 2
ZT2 N02-N-L1 3-way valve cooling/ heating
K - Additional heat source
ZP - Differential valve
ZB - Safety valve
FM - Magnetic filter
A - Fancoil
All diagrams are for reference only.
Systems shall be installed according to applicable standards and design specification. Water
system capacity is min. 100L, and min. 50L buffer is recommended.
6. Wiring diagram
6.1. Wiring connecting external unit and internal one
Connection between the external unit and internal unit is provided with two cables– power supply cable and
communication cable.
Device is delivered along with cables 6 m long.
Any works related to wiring shall be provided pursuant to the following guidelines.
 Any works related to wiring shall be provided by professional fitters only.
 Before opening guards, firstly device shall be disconnected from power supply and protected
against accidental operation!
 Any works related to wiring shall be provided pursuant to the requirements indicated in
applicable regulations.
 Always adhere to technical requirements regarding connection indicated by local power plant (is
applicable)!
 Check connection of earthing cable to internal and external unit
Operation Manual and Guarantee Card v.010
HKS LAZAR Sp.z o.o. ul. Wodzisławska 15B 44-335 Jastrzębie-Zdrój
www.hkslazar. com
page.
27