GH10NA USER MANUAL
PAGE
5
Issue I
AUGUST 2017
2.
GENERAL FEATURES
The GH10NA Controller is a microprocessor-based device manufactured using the Surface Mount
Technology (SMT).
It is designed to control the processes of Hot Utility Water (HUW) heating and the main Central
Heating (CH) water circuit. Control parameters can be adjusted to the current operating conditions and
boiler type. The Controller includes a system protecting from power outages and other different
disturbances.
The GH10NA Controller is fitted with:
•
inputs:
1.
boiler output water temperature measurement (NTC sensor),
2.
HUW boiler water /return water temperature measurement (NTC sensor),
3.
Flue gas temperature sensor in chimney (PT1000 sensor),
•
digital input:
1.
input for connection of the room thermostat panel.
It also contains four outputs allowing direct connection of 230 V AC devices, i.e.: fan, CH circulation pump,
HUW pump or mixing pump, depending on the type of the controlled heating system (
⇒
section
6
, page
7
).
ALWAYS DISCONNECT THE CONTROLLER
FROM POWER DURING THUNDERSTORMS
