REMEHA Gas 210 ECO Información técnica Pagina 28
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GAS 210 ECO PRO
28
114494-190310
8. Control and electrical connections
Jumper
1
Output signal
[V]
Boiler output
[%]
Description
%
0 0 - 15 Boiler off
0,5 15 - 18 Alarm
2,0* - 10 20 - 100 Delivered boiler output
* Dependent on the minimum modulation dept (fan rotation speeds set-
tings, pre set 20%)
table 09 Analogue output signal for boiler output
VPS
VPS
X1
X3
X4
X5
X2
SCU-S01
GPS
GPS
To u t
To u t
Status
NcC
Nc No
No
C
Wps
O+S
O+S
NL
EgV
NL
EgV
NL
HdV
NL
HdV
NL
FgV
NL
FgV
114492LTAL21H007c
F1 4 AT
fig. 15 Expanded control/protection PCB (SCU-SO1).
8.5 Connection options of the optional expanded control/protection PCB
(SCU-SO1)
8.5.1 Flue gas damper control (FgV)
In a cascade configuration, a flue gas damper (available as an
accessory) prevents flue gases from being discharged through a
non-operating boiler, with flue gas cascade. Therefore, the boiler
is suitable for flue gas overpressure systems. Consult our Techni-
cal department. Connect the flue gas damper to the FgV terminals
of terminal strip X3. Also fit this flue gas damper if flue gases flow
back when the boiler is in stand-by mode.
The running time of the flue gas damper must be programmed
with parameter 29.
8.5.2 Hydraulic valve control (HdV)
In a cascade configuration, a hydraulic valve prevents heat loss
when the boiler is not running. Connect the hydraulic valve to the
HdV terminals of terminal strip X3. The running time of the hydrau-
lic valve must be programmed with parameter 28.
8.5.3 External gas valve control (EgV)
If there is a heat demand, an alternating voltage of 230 V 1 A
(maximum) becomes available on the EgV terminals of terminal
strip X3 to control an external gas valve. The voltage is switched
off when the gas multiblock on the boiler closes.
8.5.4 Operation signal and failure signal (Nc / No)
The alarm or operation signal is selected using the relevant
parameter 25, see Section 9.1.6. If the boiler is operational,
the alarm or operation signal can be switched via a potential-free
contact (maximum of 230 V, 1 A) on the No and C terminals of ter-
minal strip X4. If the boiler locks out, the alarm can be transmitted
via a potential-free contact (maximum 230 V, 1 A) on terminals No
and C of terminal strip X4.
8.5.5 Water pressure sensor (Wps)
The water pressure sensor (available as an accessory) shuts
the boiler down when the minimum water pressure (0.8 bar) is
reached. To activate the water pressure sensor, a minimum pres-
sure must be set with parameter 26 (factory setting 0 = of f, see
Section 9.1.6.) The pump does not run during this shutdown.
- GAS 210 ECO PRO 1
- Table of contents 2
- 1. EC declaration 7
- 2. Introduction 8
- 3. Safety 9
- 4. Installation 10
- 4.2 Dimensions 11
- 114492LTAL21H002a 12
- 5. Water-side connections 13
- 5.1.3 Pressure relief valve 14
- 5.1.4 Circulation pump 14
- 5.1.5 Water flow 14
- 6. Gas-side connections 15
- 7.1 General 16
- 0021H7900017 18
- of material 21
- 8.1.1 Boiler control 22
- rematic 22
- 8.2.1 Mains voltage 23
- 8.2.2 Control box 23
- 8.2.3 Fuse ratings 23
- (PCU-01) 24
- 8.3.2 On/off control (OT) 24
- 8.3.4 External interlock (BL) 24
- 8.3.5 Input release (RL) 25
- 8.3.6 Circulation pump (Pump) 25
- 8.3.7 Connecting a PC 25
- 8.4.1 Connection status (Nc) 26
- 8.4.2 OTm connection 26
- (SCU-SO1) 28
- 114494-190310 29
- 8.5.9 Wiring diagram 30
- T002609-04-C 30
- On / Off 30
- 114492LTAL21H008a 31
- 114492LTAL21H009c 33
- ∆T safety) 34
- (control modulation) 34
- 114492LTAL21H021b 35
- 9. Commissioning 36
- 114492LTAL21H018b 37
- 114492LTAL21H010a 38
- 114492LTAL21H019a 39
- T000239-C 40
- = minimum load 41
- for a long time 42
- operation for a long time 42
- 10.2.1 Corrective maintenance 43
- 10.2.2 Cleaning the fan 44
- 10.2.4 Cleaning the burner 47
- 114492LTAL21H030 48
- 11. Control stops and faults 49
- 11. Faults 50
- 11.4 Fault codes 51
- 114492LTAL21H015a 55
- 12. Service parts 56
- 12.2 Exploded view 57
- 13. Regulations 58
- 13.4 Supplementary guidelines 59
- 14. Technical specifications 60
- 15.2 Water-side efficiency 61
- 15.3 Zero-load losses 61
- 15.5 Accessories 62
- 15.6 Services 62
- 15.7 Type of unit 63
- 15.9.1 Temperature control 64
- 15.9.3 Maximum protection 65
- 15.9.4 Frost protection 65
- 16. Application data 66
- 16.5 Control options 69
- 16.6 Gas application options 69
- 17. Checklists (records) 70
- 19 march 2010 72
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