Install Instructions

Page 67
NEOTHERM Residential Boilers
HIGH EFFICIENCY RESIDENTIAL BOILERS
®
Name PW? Function How to get there
Pump exercise interval Y The system can be set to exercise the pumps at
set intervals. Enter a non-zero value to turn on the
function.
Info/ Advanced Setup/ System
Cong./ Pump Cong.
Pump exercise time Y If the pump exercise feature is enabled, this value
sets the length of time that each pump will be
exercised.
Info/ Advanced Setup/ System
Cong./ Pump Cong.
Set high re Y This is used during combustion setup to set the
“high re” condition.
Info/ Test/ Forced Rate
Set low re Y This is used during combustion setup to set the “low
re” condition.
Info/ Test/ Forced Rate
Setpoint (LL) - When using the Lead/ Lag system to control
multiple boilers –
This setpoint is used to control the hydronic (Central
Heat) function.
Info/ Advanced Setup/ Lead Lag
Conguration/ LL Master Cong.
Setpoint source (CH) Y Set to “Local.” Info/ Advanced Setup/ CH
Conguration
Setpoint source (LL) Y When using the Lead/ Lag system to control
multiple boilers –
Set to “Local.”
Info/ Advanced Setup/ Lead Lag
Conguration/ LL Master Cong.
Follower enable (LL) - When using the Lead/ Lag system to control
multiple boilers –
One of the controllers must be set up as the Lead
Lag Master to supervise the Lead Lag system.
The controllers on all of the other boilers must be
enabled as Followers. See the section on “About
Lead Lag.”
The choices are: Disable/ Enable via Modbus
Master/ Enable via SOLA Master
Info/ Advanced Setup/ Lead Lag
Conguration/ LL Follower Cong.
Follower mode (LL) Y When using the Lead/ Lag system to control
multiple boilers –
Set to “Equal Run Time.”
Info/ Advanced Setup/ Lead Lag
Conguration/ LL Follower Cong.
Start test Y This is used during combustion setup to start the
test ring.
Info/ Test
System pump control Y The System pump can be turned on manually, or it
can be set to operate automatically.
Info/ Test/ Manual Pump Operation
Info/ Advanced Setup/ System
Cong./ Pump Cong.
System pump overrun
time
Y This indicates how long the System pump will
remain on after demand from any source ends.
Info/ Advanced Setup/ System
Cong./ Pump Cong.
Temperature units - Fahrenheit or Celsius Info/ Advanced Setup/ System
Cong./ System Cong.
Warm weather shutdown Y The system can be set to shut down if the outdoor
temperature rises above a certain value.
Info/ Advanced Setup/ CH
Conguration/ Warm Weather
Shutdown
Warm weather shutdown
setpoint
- If warm weather shutdown is enabled –
If the outdoor temperature is higher than this value,
the system will be shut o󰀨 for Central Heating
functions.
Info/ Advanced Setup/ CH
Conguration/ Warm Weather
Shutdown