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Power on hours for cascade priority change over. This parameter is used to set how many power on
24
24
25
0
26
---
Parameter set on 0 then
27
0
28
0
29
0
30
0
31
Table 11
*Central Heating Curve Function
Central heating demand is detected when the room thermostat closes. When an outside sensor is also
connected, the supply temperature will depend on the factory default central heating curve.
To set your heat curve, you will have to set the following
parameters:
1. Minimum outside design temperature: Function 8.
Table 12 – Central Heating Curve – Factory Default
hours will go by before the priority appliance will be rotated in the cascade system.
System Pump Freeze Protection (Default – Disabled)
Use this function on a cascade master to activate the system pump if the outdoor temperature
drops below the set value. Use the
desired temperature. Range: (---disabled to 104
E03
will be displayed if system sensor fails. Parameter set on 1, no code will
Parameter set on 0 = Frost protection active.
Parameter set on 1 = Frost protection disabled.
Parameter set on 0 = Normal DHW modulation.
Parameter set on 1 – DHW will begin modulation on low fire rather than high fire
Parameter set on 0 = There will be no extra appliance on the Cascade Master.
Parameter set on 1 = Extra appliance is connected to the Cascade Master.
Not applicable, must be at 0.
S/2+
key to increase from the default disabled upward to the
be displayed if system sensor fails.
0 = E03, 1 = no code displayed.
Do not change.
CONTROL PROGRAM REFERENCE CHART
FUNCTION
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Table 13
o
F).
DEFAULT
PROGRAMMED
SETTING
SETTING
de
No change allowed
o
149
F
No change allowed
o
160
F
o
36
F
No change allowed
o
7
F
0 Min.
o
68
F
o
5
F
o
180
F
o
68
F
o
95
F
o
68
F
0 Min.
30 Min.
0
0
0
1
o
185
F
3
N/A
0
100%
0
24 hrs.
0
---
0
0
0
0
N/A
55
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