Pioneer PHR100-55, Instruction Manual

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55
24 24
Power on hours for cascade priority change over. This parameter is used to set how many power on
hours will go by before the priority appliance will be rotated in the cascade system.
25 0 Not applicable, must be at 0.
26 ---
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 S/2+ key to increase from the default disabled upward to the
desired temperature. Range: (---disabled to 104
o
F).
27 0
Parameter set on 0 then E03 will be displayed if system sensor fails. Parameter set on 1, no code will
be displayed if system sensor fails.
0 = E03 , 1 = no code displayed.
28 0
Parameter set on 0 = Frost protection active.
Parameter set on 1 = Frost protection disabled.
29 0
Parameter set on 0 = Normal DHW modulation.
Parameter set on 1 – DHW will begin modulation on low fire rather than high fire
30 0
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.
31 Do not change.
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
CONTROL PROGRAM REFERENCE CHART
FUNCTION
DEFAULT
SETTING
PROGRAMMED
SETTING
1 de No change allowed
2 149
o
F No change allowed
3 160
o
F
4 36
o
F No change allowed
5 7
o
F
6 0 Min.
7 68
o
F
8 5
o
F
9 180
o
F
10 68
o
F
11 95
o
F
12 68
o
F
13 0 Min.
14 30 Min.
15 0
16 0
17 0
18 1
19 185
o
F
20 3 N/A
21 0
22 100%
23 0
24 24 hrs.
25 0
26 ---
27 0
28 0
29 0
30 0
31 N/A
Table 13