13
CENTRAL HEATING (CH) APPLICATION PARAMETER GENERAL GUIDE
Parameter
Description
Factory
Setting
Minimum
Setting
Maximum
Setting
3
CH application selection. Setting of the CH “ON” or
“OFF”. Setting of the CH pump function “continuous”
or “aquastat controlled”.
01
00
03
See pages 19 through 21 for additional information
4
CH boiler operating temperature set point. This is the
maximum operating temperature.
186ºF
86ºF
194ºF
See page 15 for additional information
5
CH boiler operating temperature set point. This is the
minimum allowable operating temperature during the
warmest outdoor temperature when using the
optional outdoor sensor
86ºF
60ºF
140ºF
See page 15 for additional information
6
The minimum outdoor temperature setting when
using the optional outdoor sensor
00ºF
(-)04ºF
50ºF
(outdoor
sensor
required)
See page 21 for additional information
7
The maximum outdoor temperature setting
when using the optional outdoor sensor
64ºF
60ºF
78ºF
(outdoor
sensor
required)
See page 21 for additional information
8
The minimum outdoor temperature to initiate the frost
protection mode on the boiler
(-)22ºF
(-)22ºF
50ºF
(outdoor
sensor
required)
See page 22 for additional information
10
(outdoor
sensor
required)
T4 Block Temperature setting. If the boiler is
operating based on outdoor temperature, the
heat request is completed if the calculated
operating temperature limit is based on outdoor
temperature is less the Blocking temperature.
32ºF
32ºF
140ºF
See page 22 for additional information
11
Boost feature set point. Use to compensate the
calculated operating temperature.
00
minutes
00
minutes
30
minutes
(outdoor
sensor
required)
See pages 22 through 24 for additional information
12
Parallel shift setting. When using the optional
outdoor sensor this setting is a setback feature.
00ºF
00ºF
144ºF
(outdoor
sensor
required)
See page 24 for additional information