First start-up
Installation, use and maintenance manual – K18 Simplygas
39
5
Parameter
Do not modify
Description
Setting
Default
49
Auxiliary boiler installation type
0. not installed
1. hydraulic installation in parallel to K18, 0-10 V
control
2. hydraulic installation in parallel to K18, ON/
OFF control
0
50
Auxiliary boiler purpose for space heating
0. none (not active)
1. emergency (active only if K18 in alarm)
2. integration
3. integration and replacement
3
51
Auxiliary boiler purpose in DHW mode
0. none (not active)
1. emergency (active only if K18 in alarm)
2. integration
3. replacement (K18 does not produce DHW)
4. integration and replacement
4
52
Auxiliary boiler 0-10 V output temperature setpoint corresponding
to 0 V
from 0 °C to 120 °C
0
53
Auxiliary boiler 0-10 V output temperature setpoint corresponding
to 10 V
from 0 °C to 120 °C
80
54
Min auxiliary boiler 0-10 V output temperature setpoint for min ON
(used for activation of circulating pump only)
from 0 °C to 120 °C
0
55
Auxiliary boiler alarm input management
0. unavailable (disabled)
1. normally open
2. normally closed
0
56
Idle time for automatic oil pump priming cycle activation
from 0 to 99 days
0. function disabled
10
156
Auxiliary boiler locking time for space heating
from 0 to 600 minutes
40
157
Auxiliary boiler locking time in DHW mode
from 0 to 600 minutes
20
163
Heating antifreeze function activated
0. not active
1. active
1
174
Modulation of circulation pump in space heating mode activated
0. not active
1. active
1
175
Do not modify OFF drive voltage for heating circulation pump
0,7
176 (1)
ON drive voltage for circulation pump in space heating mode
from 0 V to 10 V
10
177 (2)
ON drive voltage for circulation pump in DHW mode
from 0 V to 10 V
10
178
Space heating mode water deltaT setpoint
from +1 K to +20 K
10
181
Power modulation enable for space heating
0. not active
1. active
1
182
Glycol in heating water loop
0. absent
1. present
0
183
Modulation of circulation pump in DHW mode activated
0. not active
1. active
1
184
DHW mode water deltaT setpoint
from +1 K to +20 K
10
185 (3)
Outdoor temperature threshold to enable auxiliary boiler in space
heating
from -30 °C to 40 °C
40
187
Temperature differential for GAHP recovery after replacement with
auxiliary boiler due to exceeding operational limits
0,0 replacement function disabled
from 0.1 to 10.0 K return differential
3,0
198
Fan noise reduction
0. not active
1. active
0
200
Min flow rate for heating circulation pump
from 4 to 20 hundreds of liters/hour
4
203
Auxiliary boiler 0-10 V output temperature setpoint boost
from 0 K to 20 K
0
209
AUX 2 temperature probe usage
0. none (probe not installed)
1. auxiliary boiler probe for DHW service regu-
lation
2. outdoor temperature probe
3. DHW buffer tank temperature probe
0
210
AUX 1 temperature probe usage
0. none (probe not installed)
1. probe for space heating regulation
1
211 (4)
Max delivery water setpoint for space heating
from 35 °C to 80 °C
40
212 (4)
Max inlet water setpoint for space heating
from 25 °C to 70 °C
30
213 (4)
Min delivery water setpoint for space heating
from 30 °C to 60 °C
30
214 (4)
Min inlet water setpoint for space heating
from 20 °C to 50 °C
20
215
Auxiliary boiler release integral
from 0 to 500 °C * minutes
30
216
Auxiliary boiler reset integral
from 0 to 500 °C * minutes
5
217 (5)
Low outdoor temperature threshold for replacing GAHP with
auxiliary boiler
from -30 °C to 10 °C
-30
218 (6)
High outdoor temperature threshold for replacing GAHP with
auxiliary boiler
from 10 °C to 40 °C
40
219 (7)
Delivery water temperature control for space heating
0. return
1. delivery
1
