Geco GH10TA Manual de usuario

MANUAL
FOR CONTROLLER
GH10TA
FOR CONTROLLING
CENTRAL HEATING BOILERS
WITH PISTON FEEDER
Program versio : 03a
USER MANUAL
We request that users carefully study applicable Instructions before connecting and
starting up any of our products.
Should a y doubts arise, please co tact our Compa y betwee 8 a.m. a d 4 p.m.
Atte tio !!! At the bottom of each page you will fi d last docume t’s update date. Please, always use the
most rece t versio of the I structio s, which is available free of charge a d will be mailed to you if ordered.

GH10TA USER MANUAL PAGE 2
Issue I July 2017
TABLE OF CO TE TS
1. I TRODUCTIO ............................................................................................................................ 3
1.1. G
RAPHIC SYMBOLS
................................................................................................................................ 3
1.2. K
EYBOARD AND
F
UNCTION
K
EYS
............................................................................................................. 4
2. GE ERAL FEATURES ...................................................................................................................... 5
3. TECH ICAL DATA .......................................................................................................................... 6
4. ELECTRICAL SYSTEM A D CO ECTIO RULES .............................................................................. 6
5. QUICK START ................................................................................................................................ 7
6. THE GH10TA OPERATIO ............................................................................................................. 9
6.1. O
PERATED
H
EATING
S
YSTEM
.................................................................................................................. 9
6.2. A
UTOMATIC OPERATION MODE
. ............................................................................................................ 10
6.3. M
ANUAL
O
PERATION
M
ODE
................................................................................................................ 11
6.4. V
IEWING
T
EMPERATURES
..................................................................................................................... 11
6. . A
LARM
C
ONDITIONS
........................................................................................................................... 12
6.6. P
OWER
F
AILURE
................................................................................................................................. 12
6.7. B
OILER
B
URNOUT
D
ETECTION
............................................................................................................... 13
6.8. M
AXIMUM
F
EEDER
T
EMPERATURE
D
ETECTION
........................................................................................ 13
7. USER SETTI GS ........................................................................................................................... 14
7.1. B
OILER
T
EMPERATURE
S
ETTING
(U0) ..................................................................................................... 14
7.2. F
EEDER
S
TANDSTILL
D
URATION
(U1) ..................................................................................................... 14
7.3. M
AINTAIN
P
ERIOD
(U2) ...................................................................................................................... 14
7.4. F
AN SPEED
(U3) ................................................................................................................................. 1
7. . HUW/
R
ETURN
T
EMPERATURE
S
ETTING
(U4) ........................................................................................ 1
7.6. A
NTI
-L
EGIONELLA
F
UNCTION
(U ) ........................................................................................................ 1
8. OPERATI G THE HUW BOILER ..................................................................................................... 15
8.1. I
NSTALATION AND
C
ONNECTIONS
.......................................................................................................... 16
8.2. C
ONFIGURATION OF
A
DDITIONAL
P
UMP
................................................................................................. 16
8.3. HUW
P
RIORITY
.................................................................................................................................. 17
8.4. S
UMMER
M
ODE
................................................................................................................................. 17
9. ROOM THERMOSTAT .................................................................................................................. 17
10. TEMPERATURE LIMITER (STB) ...................................................................................................... 18
11. CO ECTIO DEVICES TO THE GH10TA CO TROLLER .................................................................. 18
12. I FORMATIO O LABELLI G A D COLLECTIO OF WOR OUT ELECTRICAL A D ELECTRO IC
EQUIPME T ................................................................................................................................ 19

GH10TA USER MANUAL PAGE 3
Issue I July 2017
1. I TRODUCTIO
1.1. Graphic symbols
Symbols intended to indicate and at the same time emphasise the importance of text containing
information that warns against dangerous situation have the following graphic forms:
Warning
This symbol is used when it is necessary in described instructions to follow the
sequence of carried out operations. The unit may be damaged or destroyed in case of
any error or proceeding in discord with the description.
Important!
This symbol indicates information of particular importance.
⇒
Reference
This symbol indicates occurrence of additional information in a chapter.

GH10TA USER MANUAL PAGE 4
Issue I July 2017
1.2. Keyboard a d Fu ctio Keys
2.
3.
USER CA TUR OFF A D TUR O CO TROLLER BY USI G BUTTO .
ACTIVATE ALL BUTTO O PA EL TOUCH KEYBORD TAKES PLACE AFTER TOUCH
EACH OF THEM A D HOLD FOR MOME TS.
ON/OFF
MANUAL
CONTROL
AUTO-OPERATION
INDICA
TOR
MANUAL FAN AND CH PUMP
ACTIVATION / INCREASE
PARAMETER VALUE
AUTO
MAINTAIN OPERATION
INDICATOR
MANUAL FEEDER AND DHW PUMP
ACTIVATION
/ DECREASE PARAMETER
VALUE

GH10TA USER MANUAL PAGE 5
Issue I July 2017
2. GE ERAL FEATURES
The GH10TA 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 GH10TA Controller is fitted with:
•inputs:
1. boiler output water temperature measurement (NTC sensor),
2. fuel feeder temperature measurement (NTC sensor),
3. HUW boiler / return water temperature measurement (NTC sensor),
• digital input:
1. feeder cotter pins removal sensor – reed relay,
2. input for connection of the room thermostat panel.
It also contains four outputs allowing direct connection of 230 V AC devices, i.e.: fan, fuel feeder, CH
circulation pump, HUW pump or mixing pump, depending on the type of the controlled heating system (⇒
section 6, page 8).
ALWAYS DISCONNECT THE CONTROLLER
FROM POWER DURING THUNDERSTORMS

GH10TA USER MANUAL PAGE 6
Issue I July 2017
3. TECH ICAL DATA
Power supply 230V
AC +10% -1 %
TC sensor resistance
characteristics
Operating temperature range + °C to +40°C
Humidity 20% to 80% RH
Temperature
Resistance
Fan protection 3.1 A
0
7174.89
Sensor type NTC 2.2kΩ
10
4374.83
Sensor operating temperature 0°C÷100°C
20
2747.10
30
1774.91
40
1172.09
Output Maximum continuous
load
0
79 .08
60
47.9
HUW pump / mixing pump 1A 200W
70
384.62
CH pump 1A 200W
80
27 .86
Fuel feeder* 2A 400W
90
202.37
Fan * 1A 200W
100
149.16
*Whe a co tactor or relay proxy is co ected, use a dedicated
blowout system (eg varistor). Omissio of this security measure may
result i malfu ctio or damage to the co troller output.
4. ELECTRICAL SYSTEM A D CO ECTIO RULES
1. The boiler room should be equipped with a 230V/ 0Hz electrical system, according to the
applicable regulations.
2. The electrical system (regardless of its type) should be terminated with a connection outlet fitted
with a protective terminal. Use of an outlet without a protective terminal causes electrical shock
hazard!!!
3. Connect the Controller to a separately installed power line protected with a properly selected
quick circuit-breaker or a residual-current device (RCD breaker). Do not connect any other devices
to this line!!!
THE CONTROLLER IS POWERED FROM 230V/50HZ MAINS
ANY REPAIRS MAY BE CARRIED OUT ONLY WITH POWER SUPPLY
CUT OFF AT THE FUSE

GH10TA USER MANUAL PAGE 7
Issue I July 2017
5. QUICK START
To quickly start the GH10TA Controller, perform the following actions:
1. Touch keyboard calibration.
After connecting the controller to the power supply, the controller for about 4 seconds calibrates the
touch keyboard. During calibration you can not bring your hands to the sensors, because it would cause
incorrect calibration, and consequently malfunction of the keyboard. After calibration process, the device
performs a 3-second start sequence, during which it displays various information, including the firmware
version. When the start sequence is complete, the controller goes into the STANDBY mode. If the keyboard
does not work correctly, you should repeat the calibration process. To do this, disconnect controllers and
then connect the controller to a power supply and calibrate the keyboard touch one more time,
remembering not to put your hands to the sensors..
2. Connect the device to the 230V AC power system (put the plug in the power outlet).
⇒
3. Turn the Controller ON by pressing . Screen appears:

GH10TA USER MANUAL PAGE 8
Issue I July 2017
4. Press . Screen appears:
and the Controller starts automatic operation according to the factory settings.
Table 1 Factory settings table
Parametr Opis parametru Min Max Krok Nastawa
fabryczna
U00
Boiler temperature setting
’F03’
’F04’ 1°C 60°C
U01
Feeder standstill duration
2 0 1s 30s
U02
Maintain period
2 0 1min 1 min
U03
Fan speed
1 10 1
U04
DHW/return set temperature
3 6 1°C 40°C
U0
Anti-Legionella function
0 1 1 0

GH10TA USER MANUAL PAGE 9
Issue I July 2017
6. THE GH10TA OPERATIO
6.1. Operated Heati g System
6.1.1. Central Heating cycle + HUW cycle
I PUTS
OUT
PUTS
T1 – Boiler temp. P1 – Fuel feeder
T2 – Feeder temp. P2 – Fan
T3 – HUW temp. P3 – HUW pump
C1 – Reed relay P4 – CH pump
6.1.2. Central Heating cycle + mixing pump
I PUTS
OUTPUTS
T1 – Boiler temp. P1 – Fuel feeder
T2 – Feeder temp. P2 – Fan
T8 – Return temp. P4 – CH pump
C1 – Reed relay P8 – mixing pump

GH10TA USER MANUAL PAGE 10
Issue I July 2017
6.2. Automatic operatio mode.
By pressing , you can turn on the automatic operation mode – the Controller lights the upper indicator
on ( ).
6.2.1. Fuel Feeder
In the AUTO mode, the fuel feeder operates according to the value set in the user settings U1 –
“Feeder standstill duration”. The amount of fuel supplied in one feeder cycle is specified in the F21 service
parameter.
After going from MANUAL mode into AUTO mode or after power fail the controller starts the
feeder until reaching the position of maximum withdrawal (reed response), after that the feeder starts to
work normally.
The feeder work is suspended after STOP & GO function activation. The mechanism of fan and
feeder suspension (STOP & GO) does not apply if the temperature drop will be greater than 6 degrees
below the setpoint. This function can be disabled via the F23 service parameter.
Activation and operation of the fuel feeder is indicated by the lower indicator on .
6.2.2. CH Pump
In the AUTO mode, the CH pump starts when the temperature of the boiler water is higher or equal
to the value set in the F06 service setting (factory setting is 40°C).
Turning the CH pump on and its operation is indicated by a vertical line at the left side of the
Controller main display screen.
The Controller turns off the pump when the water temperature drops to the activation
temperature minus 4°C. (If the CH pump start temperature is 40°C, then the CH pump stop temperature is
36°C).
6.2.3. Fan
In the AUTO mode, the fan runs continuously until the boiler temperature reaches the value set by the user
in the U0 setting. During that period the fan runs at its maximum speed. Activation and operation of the
fan is indicated by the upper indicator on .
6.2.4. Maintain Operation Mode
The Controller gets into that mode when the boiler temperature reaches the value set by the user
in the U0 setting.
This mode of operation is indicated by lighting the lower indicator on ( ).
The fuel feeder and fan remain off in that mode for the period set by the user in the U2 setting. When the
period ends, the Controller turns on the feeder and fan for on fuel feeding cycle.
The fan will operate for the period respectively longer that the feeder for the time set in the F18 service
setting in order to fire up the added coal.
The Controller will exit the MAINTAIN mode and return to the AUTO mode if the boiler temperature drops
to the value equal to the U0 – F05.
The CH pump operates identically as in the AUTO mode.
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