HTP ELP-199 - Manual (Page 63)

63
LP-294 REV. 2.20.14
Pressing the ▼ or ▲ keys allows the Installer to view and/or adjust more data or return to the previous screen.
CH SETTINGS 
Step Down
Modulation
ON Allows the installer to avoid fast overshoot of temperatures by sending the boiler into low fire after
ignition and increasing power via step modulation until the boiler eventually fires at maximum
power. This function can be switched ON and OFF. Default is ON.
Pressing the ▼ or ▲ keys allows the Installer to view and/or adjust more data or return to the previous screen.
CH SETTINGS 
CH Pump
Post Pump Time
_0sec The installer can set the central heating pump running time after the burner stops. This helps
distribute hot water from the heat exchanger into the heat distribution system. 10 second steps are
enabled. Default setting is 0 seconds. Range: 10
– 900 seconds.
Pressing the ▼ or ▲ keys allows the Installer to view and/or adjust more data or return to the previous screen.
CH SETTINGS 
General Pump
Post Pump Time
_0sec The installer can set the general pump running time after the burner stops. This helps distribute hot
water from the heat exchanger into the heat distribution system. 10 second steps are enabled.
Default setting is 0 seconds. Range: 10
– 900 seconds.
Pressing the ▼ or ▲ keys allows the Installer to view and/or adjust more data or return to the previous screen.
CH SETTINGS 
Maximum Power
Central Heating
100 The installer can reduce the maximum power of the boiler. This power-saving option is optimal for
well-insulated buildings.
Factory default is 100%. Range: 50
– 100%
Pressing the ▲ key allows the Installer to return to the previous screen.
Table 27 – Installer Menu – CH Settings Screens
D. DOMESTIC HOT WATER SETTINGS
In cascaded systems, these menus are selectable at the cascade master or at DHW-dedicated boilers ONLY.
SCREEN DESCRIPTION
DHW SETTINGS
DHW mode 1
DHW store
with sensor 
Allows Installer to choose between different DHW heating modes.
0 = No DHW (only central heating)
1 = DHW store with sensor
2 = DHW store with thermostat
3 = Instant. DHW with FlowSW DHW-T-Sens. (not used)
4 = Instant. DHW with DHW-T-Sens. (not used)
5 = Instant. DHW with DHW-T + FlowSens. (not used)
Factory default is 0.
Pressing the ▼ key allows the Installer to view and/or adjust more data.
BOILER SETTINGS 
DHW-Store
Differential
_7
o F
This screen is visible in DHW mode 1 & 2 ONLY. The differential to the storage tank setpoint can
be modified here. The default is 7
o F. Range: 4 – 27 o F.
Pressing the ▼ or ▲ keys allows the Installer to view and/or adjust more data or return to the previous screen.
DHW SETTINGS 
CH/DHW Priority
>Switch DHW-Prio
Time 30min
Allows the installer to switch the CH/DHW priority to different modes to prioritize CH operation
when a DHW tank is not fully loaded. Options: Time = Priority changes after time. CH-Prio =
Central heating always takes priority. DHW-Prio = Domestic hot water always takes priority.
Defaults are Time, and 30 minutes. Range: 1
– 60 Minutes.
Pressing the ▼ or ▲ keys allows the Installer to view and/or adjust more data or return to the previous screen.
DHW SETTINGS 
DHW Pump
Post Pump Time
_0sec Time the domestic hot water pump operates after the burner stops. Default is 0 seconds. Range: 0
– 120 seconds.
Pressing the ▲ key allows the Installer to return to the previous screen.
Table 28 – Installer Menu – CH Settings Screens
E. CASCADE SETTINGS
These options are available ONLY in cascaded systems at the master boiler.
SCREEN DESCRIPTION
CASCADE SETTINGS
Emergency Setpoint
113
o
F
In case of errors in the cascading system, each boiler operates at its own emergency setpoint.
These setpoints must be set separately for each boiler by the installer.
Default is 113
o
F. Range: 68 – 149 o
F
Pressing the ▼ key allows the Installer to view and/or adjust more data.