Installation & Servicing instructions
AT
AG XL
47
Param Mode
Parameter chapter
PARA
factory
setting
Description
Range
Cascade param.
Cascade parameters
P100
0
Domestic hot water facility
0-8
0: no DHW
1: Solo boiler with 3-way valve
2: n.a.
3: Solo boiler with cylinder loading pump P4 and 3-way valve
4: n.a.
5: After low loss header: DHW after LLH with cylinder pump P2 and P3=off
6: After low loss header: DHW after LLH with cylinder pump P2 and P3=on at heat demand CH
7: After low loss header: DHW loading system after LLH with cylinder loading pump P2, P4 and P3=off
8: After low loss header: DHW loading system after LLH with cylinder loading pump P2, P4 and P3=on at heat demand CH
P101
0
Heating
0-3
0: 0÷10V not active
1: 0÷10V= load control (see further P205 until 210)
2: 0÷10V= temperature control (see further P215 until 220)
3: Showroom position
P104
0
Outside sensor T4
0-1
0: autodetect
1: connected
P105
0
Common flow sensor T10
0-1
0: autodetect
1: connected
P106
20
Min. Setpoint T10
0-60
P107
0
Min.Setpoint function T10
0-2
0: off
1: minimum value setpoint at heat demand CH
2: continuously minimum value setpoint
P109
0
Correction outside sensor
-5 - 5
P111
20
CH-set gradient-reference
0-60
P112
1,0
CH-set gradient in °C/10sec in steps of 0,1°C
0-10
P114
1
Number of boilers in cascade (To be set manually!)
1-8
P121
1
Relay function Propane/External heating source
0-1
0: Only propane
1: On/Off external heating source
P125
1
DHW i it
0 1
NOTE:
Option 6 and 8 not for Low Temerature
systems, unless separately controlled
ADVICE for using 0-10V:
Choose option 2 for a balanced
behaviour of boiler control.
P125
1
DHW priority
0-1
0:No
1: Yes
P157
0
OpenTherm error bit selection
0-2
0: Only errors
1: Errors and blockings
2: Errors, blockings and messages
P158
0
Error relay selection
0-2
0: Only errors
1: Errors and blockings
2: Errors, blockings and messages
P170
95
Switch on moment relay external heating source
0-100%
When demand is higher then adjusted value the external heating source will be switched on
P171
90
Switch off moment relay external heating source
0-100%
When demand is lower then adjusted value the external heating source will be switched off
P203
2
Overrun time secondary pump P3 in minutes
0-60
At P101 = 1 (Load control):
P205
2
0-10V, load voltage to have minimum heat demand (P208 power) (If P101=1)
0-10
P206
9,5
0-10V, load voltage to have maximum heat demand (P207 power) (If P101=1)
0-10
P207
100%
0-10V, load maximum power (dynamic range) (If P101=1)
0-100
P208
0%
0-10V, load maximum power (dynamic range; 0% is minimum power) (If P101=1)
0-100
P209
1
0-10V, load heat demand when input voltage> (If P101=1)
0-5
P210
0,5
0-10V, load no heat demand when input voltage< (If P101=1)
0-5
At P101 = 2 (Temperature control):
P215
2
0-10V, load voltage to have minimum heat demand (If P101=2)
0-10
P216
9,5
0-10V, load voltage to have maximum heat demand (If P101=2)
0-10
P217
1
0-10V, load heat demand when input voltage> (If P101=2)
0-5
P218
0,5
0-10V, load no heat demand when input voltage< (If P101=2)
0-5
P219
30
0-10V, temperature setpoint at minimum input voltage (If P101=2)
10-90
P220
85
0-10V, temperature setpoint at maximum input voltage (If P101=2)
10-90
P252
2
Slope heating line (K-factor)
0,1 - 9,9
P256
2
Hysteresis Summer/Winter in °C (if T4 was detected)
0-10
P266
2
Switch on delay at heat demand in minutes
0-10
P267
168
Boiler sequence for boilers in cascade in hours
1-255
P283
1
Frost protection
0-1
0: T10 and P3 not active
1: T10 and P3 active
1: T10 and P3 active
P284
0
Switch on temperature frost protection in °C
-40 - 20