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Item
Set space heating target
temperature (°F).
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1. SH Set Temp
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●
Set the system type and
operation details.
2. Zone Settings
1. Zone Pump System
2. Zone Valve System
Set the pump 1 type.
1. Zone 1 pump
2. DHW pump
2-1. Pump 1 Settings
This operation is available
only when "2. Zone
Settings" is Zone Pump
System.
Description
Default: 180°F (82°C)
The setting range varies
depending on the
heating control type:
- Supply Temperature or
Sys Supply Temperature:
104–180°F (40–82°C)
- Return Temperature or
Sys Return Temperature:
86–149°F (30–65°C)
Note
If "3. Zone Priority
Settings" is enabled, the
set temperature for each
zone is displayed on the
screen.
After selecting and
confirming the set
temperature for each
zone, press and hold the
Command dial (
) for
more than 2 seconds
to return to normal
operation mode.
Item
Set the zone priority.
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●
If "3. Zone Priority
Settings" is enabled, the
default zone priorities are
set as follows.
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3. Zone Priority
Settings
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Enable or disable the
4. Outdoor Reset
Outdoor Reset Control
ON/OFF
feature (Default: Enabled).
Description
Setting range: Enable /
Disable
Default: Disable
When "2-1. Pump 1
Settings" is set to "Zone
1 Pump":
- Priority 1: Zone 1
- Priority 2: Zone 2
- Priority 3: Zone 3
When "2-1. Pump 1
Settings" is set to "DHW
Pump":
- Priority 1: Zone 2
- Priority 2: Zone 3
- Priority 3: -- (None:
DHW Pump)
Note
The number of priorities
for the zones differs
depending on the set
pump 1 type (2-1. Pump 1
Settings).
If you change the pump
1 type (2-1. Pump 1
Settings), the set priorities
will be initialized.
If you change the zone
settings (2. Zone Settings),
the set priorities will be
initialized.
If "5. Navien zone cont. " is
enabled, "3. Zone Priority
Settings" will be disabled
and you cannot set the
zone priority.
If "21. Outdoor Reset" is
enabled, "3. Zone Priority
Settings" will be disabled.
Operating the Boiler
105
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