HTP ELP-199 - Manual (Page 68)

68
LP-294 REV. 2.20.14
BOILER CONFIG 
Pump Mode 2
Manifold with CH
DHW and Gen. pump 
Pump modes are displayed during selection in 2 lines. Options:
0 - CH and DHW pump
1 - General pump with 3 WV
2 - Manifold with CH Gen and DHW pump
3 - Manifold with Gen pump and 3WV
4 - Manifold with Sys Pump DHW ext
Default is 2.
Table 37 – Boiler Config Quick Start-Up
2. CENTRAL HEATING SETTINGS
Return to the Installer Menu by pushing the  key. Enter the CH Settings Menu by pushing
▼ once, then . To change values, press
ENTER until the value starts blinking. Use the ▲ or ▲ keys to change the value. Once the appropriate selection is made, hold the
ENTER button until the value stops blinking to save the selection.
SCREEN DESCRIPTION
CH SETTINGS
CH mode 1
CH with Thermostat
and Outdoor Reset 
The CH Mode is set default to 0 – Single Boiler with Room Thermostat and Outdoor Reset, but can
be changed to a value appropriate for the installation. Options:
0 = CH with thermostat
1 = CH with thermostat and outdoor reset
2 = CH outdoor reset and T-night offset (done by a timer)
– The boiler operates on readings from the
outdoor sensor in this mode.
3 = CH with permanent heat demand
– The boiler is always operating.
4 = CH with analog input for T-supply (for both single and cascaded boilers) (requires 0-10 V input,
available on optional Interface Module)
5 = CH with analog input for mod-rate (single boiler only) (requires 0-10 V input, available on optional
Interface Module)
6 = CH with hydro-air unit (single boiler only)
– The boiler does not step modulate in this mode, and
operates with a more aggressive PID.
After selecting the CH Mode, press the ▼ key once to modify the CH Differential.
CH SETTINGS 
Central heating
Differential
10
o
F
The CH Differential is the + and – bandwidth for the CH Setpoint (the CH Setpoint is accessed in the
User Menu). Options:
(1) - The Differential to the setpoint for starting the boiler can be modified here. Default: 10
o
F. Range:
2 – 27 o
F.
(2) - For CH-mode 6, the values are different, and depend on set point. The CH mode selected will
determine the default.
Table 38 – CH Settings Quick Start-Up
3. DHW SETTINGS
Return to the Installer Menu by pushing the  key. Enter the DHW Settings Menu by pushing
▼ once, then .
The DHW Mode is set default to 0, or No DHW, but can be changed to a value appropriate for the installation.
Several domestic hot water modes can be selected. To change values, press ENTER until the value starts blinking. Use the
▲ or ▲
keys to change the value. Once the appropriate selection is made, hold the ENTER button until the value stops blinking to save the
selection.
SCREEN DESCRIPTION
DHW SETTINGS
DHW mode 1
Manifold with CH
DHW and Gen. pump 
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)
Once DHW Mode is confirmed, push ▼ to set the DHW-Store Differential
.
BOILER SETTINGS 
DHW-Store
Differential
_7
o
F
The DHW-Store Differential is the + and – differential for the DHW Setpoint (the DHW Setpoint is
accessed in the User Menu).
NOTE: This screen is visible in DHW mode 1 & 2 ONLY.
The differential to the storage tank setpoint can be set here.
The default is 7
o
F. Range: 1 – 36 o
F.
Once the DHW-Store Differential is set, push the ▼ key to set the CH/DHW Priority.