4
Parameter
Description
Factory
Setting
Minimum
Setting
Maximum
Setting
1
NTC Sensor setting for domestic hot water
applications depending on the setting of
Parameter 35 (storage tank with NTC or storage
tank with aquastat).
140ºF
68ºF
148ºF
Detection setting for DHW request.
See pages 6 and 8 for additional information
2
DHW application selection. Setting of the DHW
Burner Function “ON” or “OFF”. Setting of the
DHW pump function “continuous” or “aquastat
controlled”.
01
00
03
See pages 9 through 11 for additional information
21
The DHW circulator post pump time period
applied after the completion of a DHW request.
Parameter setting is multiplied by 10.2 seconds.
03
x 10.2 sec.
00
x 10.2 sec.
30
x 10.2 sec.
See page 11 for additional information
26
DHW differential setting for detection “ON”.
Setting is applied on storage tank with NTC
sensor applications.
02ºF
02ºF
54ºF
See pages 7 and 8 for additional information
27
DHW differential setting for detection “OFF”.
Setting is applied on storage tank with NTC
sensor applications.
18ºF
(-)16ºF
54ºF
See pages 7 through 8 for additional information
29
The time period of blocking the burner function of
a secondary DHW request after a completion of
the initial DHW request. Parameter setting is
multiplied by 10.2 seconds.
00
x 10.2 sec.
00
x 10.2 sec.
30
x 10.2 sec.
See page 11 for additional information
30
The time period of blocking the burner function of
a CH request after a completion of a DHW
request. Parameter setting is multiplied by 10.2
seconds.
00
x 10.2 sec.
00
x 10.2 sec.
30
x 10.2 sec.
See page 12 for additional information
DOMESTIC HOT WATER DHW APPLICATION PARAMETERS GENERAL GUIDE