cH Settings
10
System Pump
default: cH1/cH2
System Pump allows the system pump operation to be adjusted for the
application. Press the
UP
or
doWn
buttons to select the desired System
Pump operation then press the
oK
button to store the setting. The System
Pump options are:
•
cH1/cH2/dHW
– The system pump will be enabled for any CH1,
CH2, or DHW call. Figure 2, page 11 illustrates a typical existing
system requiring this setting.
Table 3: circulator operation with System Pump = cH1/cH2/dHW
•
cH1/cH2
– The system pump will only be enabled for a CH1 or
CH2 central heating call. Figure 3, page 12 illustrates a system
zoned with zone valves requiring this setting.
Table 4: circulator operation with System Pump = cH1/cH2
•
cH2
– The system pump will only be enabled for a CH2 central
heating call. The CH(1) pump will only be enabled for a CH1 cen-
tral heating call. Figure 4, page 13 illustrates a system zoned with
zone circulators requiring this setting.
Table 5: circulator operation with System Pump = cH2
note 1:
Domestic Hot Water Priority can be disabled which allows the
CH and DHW circulators to operate at the same time.
The circulator operation shown above only applies when Prestige
Model is set to Solo. System Pump only allows the system pump
operation to be adjusted when Prestige Model is set to Excellence.
NOTICE
System Pump
CH1/CH2/DHW
CH1/CH2
CH2
CH1/CH2
CH2 Pump/
System Pump
Auxillary
Boiler Pump
DHW
Pump
CH (1)
Pump
CH 1 Call
ON
ON
OFF
(Note 1)
ON
CH 2 Call
ON
ON
OFF
ON
DHW Call
OFF
(Note 1)
ON
ON
OFF
(Note 1)
CH2 Pump/
System Pump
Auxillary
Boiler Pump
DHW
Pump
CH (1)
Pump
CH 1 Call
ON
ON
OFF
(Note 1)
ON
CH 2 Call
ON
ON
OFF
(Note 1)
ON
DHW Call
ON
ON
ON
OFF
(Note 1)
CH2 Pump/
System Pump
Auxillary
Boiler Pump
DHW
Pump
CH (1)
Pump
CH 1 Call
OFF
ON
OFF
(Note 1)
ON
CH 2 Call
ON
ON
OFF
(Note 1)
OFF
DHW Call
OFF
(Note 1)
ON
ON
OFF
(Note 1)
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...