cH Settings
8
Pump constant circulation
default: disabled
Pump Constant Circulation allows the central heating circulators to be
constantly enabled even without a central heating call. A domestic hot
water call will cause the circulators to be disabled during the domestic call
as long as DHW Priority is enabled. Press the
UP
or
doWn
buttons to
select Enabled or Disabled then press the
oK
button to store the setting.
•
Enabled
– The central heating circulators will be enabled for con-
stant circulation without a central heating call.
Table 1: circulator operation with Pump circulation = Enabled
•
disabled
– The central heating circulators will only be enabled dur-
ing a central heating call.
cH Post Pump Time
default: 1 Minute
CH Post Pump Time sets how long the central heating circulators will
continue to operate at the completion of a heating call. Reference
System Pump in CH Settings on page 10 to determine which circulators
will continue to operate. Any call during the CH Post Pump Time will be
ignored until the post pump has completed. The CH Post Pump feature
allows the heat remaining in the boiler at the completion of a call to be
sent to the heating system, which will improve the overall efficiency of
the system. Press the
LEfT
or
RIGHT
buttons to adjust the CH Post
Pump Time then press the
oK
button to store the setting.
freeze Protection
default: Enabled
Freeze Protection allows the freeze protection feature to be enabled and
disabled. Press the
UP
or
doWn
buttons to select Enabled or Disabled
then press the
oK
button to store the setting.
•
Enabled
– The Freeze Protection feature is enabled to protect the
boiler from freezing. This feature monitors the boiler water tem-
perature and responds as follows when no call is present:
-
46°F [8°C] – Auxiliary Boiler Pump ON
-
42°F [6°C] – CH(1), Auxiliary Boiler & System Pumps ON.
Burner operates at low fire.
-
60°F [15°C] – Freeze protection ends. Burner & all pumps OFF
after completing CH Post Pump Time.
•
disabled
– The Freeze Protection feature is disabled.
Freeze Protection
Disabled
Enabled
Enabled
Pump Constant
Circulation
Disabled
Enabled
Disabled
Off
20 min.
1 min.
CH Post
Pump Time
Prestige Model
CH2 Pump/
System Pump
Auxillary
Boiler Pump
DHW
Pump
CH (1)
Pump
Solo
ON
ON
OFF
ON
Excellence
ON
ON
OFF
OFF
Содержание Prestige Excellence
Страница 13: ...11 cH Settings fig 2 System Piping with System Pump cH1 cH2 dHW...
Страница 14: ...12 cH Settings fig 3 System Piping with System Pump cH1 cH2...
Страница 15: ...13 fig 4 System Piping with System Pump cH2 cH Settings...
Страница 33: ...31 cascade Installation fig 11 Split cascade Wiring note Reference Fig 10 page 30 for cascade piping...
