61
Boiler Manual
PART 11: START-UP PROCEDURES FOR THE INSTALLER
(CONTINUED)
Press the
key once (This screen will appear
when set in master Boiler Mode Only)
CH DEMAND
OFF
BOILER
Description:
This screen displays the central heat demand
set for the cascade system
.
Press the
key once (This screen will appear
when set in master Boiler Mode Only)
CAS SET
190˚F
SYSTEM
112˚F
Description:
This screen displays the cascade set point
(Maximum set point 190˚). The control will cas-
cade the boilers up to this set point depending
on the demand.
Press the
key once
DHW SET
119°F
DHW
117°F
This screen displays the current domestic hot
water temperature set point on the top line. The
actual temperature measured by the domestic
hot water tank sensor (HTP 7250P-325) is dis-
played on the bottom line. If a mechanical aqua-
stat is used in place of the recommended sen-
sor, the second line will display ‘OFF’ in place of
the temperature if the aquastat is measuring
close to its set temperature or ‘ON’ in place of
the temperature if the aquastat temperature too
low.
Press the
key once
OUTDOOR
11°F
FLUE
95°F
This screen displays the current outdoor tem-
perature on the top line. If there is no outdoor
sensor connected to the boiler, this line will dis-
play ‘OFF’ in place of the temperature. If the out-
door sensor is shorted, this line will display ‘ON’
in place of the temperature.
The second line displays the current flue tem-
perature of the boiler.
Press the
key once
FLAME
0.0uA
FAN SPEED
3497 RPM
This screen displays the boiler flame current on
the top line.
The second line displays the speed of the fan in
the boiler.
Press the
key once
0-10 V
0.0 V
BOILER
The top line displays the voltage on the option-
al input. This voltage is only relevant if an exter-
nal 0–10 volt signal is being used to control the
boiler.
Press the
key once
BUS COMM
NO CONN
This display shows the status of the communi-
cation bus between multiple boilers. If the boiler
is in a single boiler configuration, the display will
show ‘NO CONN’. If the boiler is used in a multi-
ple boiler configuration and if it is the master
boiler, and other boilers are connected to the
communication bus and power is on to them,
then this screen will show the address of each
boiler connected to the bus.
Press the
key once
POWER ON
0H
CH ON
0H
The top line of this display indicates the amount
of hours the boiler has power applied to it in the
life of the boiler
The second line indicates how many hours the
burner has been on for a central heat demand in
the life of the boiler
Summary of Contents for EL-110 LP
Page 48: ...47 Boiler Manual PART 8 FIELD WIRING CONTINUED Fig 8 5 LP 293 J Rev 10 1 09 ...
Page 49: ...48 Boiler Manual PART 8 FIELD WIRING CONTINUED Fig 8 5 LP 293 J Rev 1 14 10 ...
Page 83: ...82 LP 172 REV 2 16 06 ...
Page 84: ...83 LP 172 REV 2 16 06 ...
Page 85: ...84 MAINTENANCE NOTES ...
Page 86: ...85 MAINTENANCE NOTES ...
Page 87: ...86 MAINTENANCE NOTES ...
Page 88: ... 2003 2010 Heat Transfer Products Inc www HTproducts com LP 293 REV 01 06 10 ...
