Thermal Solutions EVCA SERIES Installation, Operating And Service Instructions page 90

EVCA Modulating Fire Test Procedures and Specifications
APPENDIX D (Cont...) - TSBC
D. (continued)
SETUP MENU
Factory
Display
Settings
Outdoor
No
Sensor
Outdoor
55
Set Up
Boiler
140
Set Up
Outdoor
30
Design
Boiler
180
Design
Blower
SPD 100
High
Blower
SPD 0
Low
Low Fire
50
Spd
Fan
See
Purge
Description
Spd
Range/Choices Description
Enables the Outside Air Temperature sensor display and control logic.
No:
Display Only:
No
Display Only
Outdoor Reset: Calculate the temperature setpoint based on outdoor
Outdoor Reset
The Outdoor Set Up temperature is the outdoor temperature at which the
40 F to 100 F Boiler Set Up temperature is supplied.
Only visible when Outdoor Sensor is set to Outdoor Reset .
The Boiler Set Up Temperature is the starting boiler water temperature of the
reset ratio. If the building feels cool during mild outdoor conditions, the
80F to 180 F
Boiler Set Up setting should be increased.
Only visible when Outdoor Sensor is set to Outdoor Reset.
The Outdoor Design Temperature is the outdoor temperature at which the
-20 F to 50 F Boiler Design temperature is supplied.
Only visible when Outdoor Sensor is set to Outdoor Reset.
The Boiler Design setting is the water temperature required to satisfy the
building heat loss during the Outdoor Design temperature. If the building feels
80F to 220 F
cool during cold outside conditions, the Boiler Design setting should be
increased.
Only visible when Outdoor Sensor is set to Outdoor Reset.
Percent of (0 - 10 vdc output (V+, V-) output that represents a 100%
0 to 100 % modulation rate. This scaling factor allows the controller to display 100%
when the blower is at rated boiler output.
Percent of (0 - 10 vdc output (V+, V-) output that represents a 0% modulation
0 to 100 % rate. This scaling factor allows the controller to display 0% when the blower is
at minimum boiler output.
0 to 100 % Modulation % used for Low Fire Hold and Low Fire Start conditions.
Percent of blower operating range that the blower should be run during Fan
Purge (at ignition).
0 to 100 %
Standard
Low fire proving
Venturi
Page 15 of 22
SETUP Menu
TM
Outside Air Input (O+O-) is ignored.
Do Not Calculate setpoint based on outdoor temperature,
Display Outside Air Temperature.
temperature using a reset curve defined by Outdoor Set Up,
Boiler Set Up, Outdoor Design and boiler Design
parameters.
Build
750 1000
100 100
25 24
100 100
90
Boiler model
1500 2000 3000
100 100 55
23 26 55
23 26 N/A