Aerco Benchmark 2000 - Page 47

Benchmark 1500 - 2000 Boilers
CHAPTER 3 – OPERATION
OMM-0097_0E AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 Page 47 of 182
GF-142 Ph.: 800-526-0288 10/01/2015
Table 3-7: BST Menu
Menu Item Display
Available Choices or Limits
Default
Minimum
Maximum
18 Outdr Tmp Source Outdoor Temp Network Outdoor Temp
19 Outdoor Tmp Addr 0 255 240
20 Outdoor Tmp Pnt 0 255 215
21 BST Remote Signal 4-20 mA/1-5 VDC;
0-20 mA/0-
5 VDC;
Network Network
22 BST Auto Mstr No
Yes
NOTE! A Modbus
temperature transmitter
must be installed in
conjunction with this
feature.
No
23 BST Auto Timer 10 sec 120 sec 30 sec
24 Remote Intlk Use Boiler Shutdown System Shutdown System Shutdown
25 One Boiler Mode Off
On-Outlet
Temp
On-Avg Temp Off
26 1 Blr Threshold 10 35 25
27 Setpoint Setback Disable Enable Disable
28 Setback Setpoint BST Setpt Lo Limit BST Setpt HI Limit 130°F (54.4°C)
29 Setback Start 12:00am 11:59pm 12.00am
30 Setback End 12:00am 11:59pm 12.00am
31 Rate Threshold 1°F (0.55°C) 30°F (16.5°C) 15°F (8.25°C)
32
*BST OPERATE MENU*
Disabled Enabled Disabled
33 BST Next On VP 16% 100% 50%
34 BST Max Boilers 1 8 8
35 BST On Delay 30 sec 300 sec 60 sec
36 BST On Timeout 15 sec 300 sec 60 Sec
37 Valve Override Off Closed Open Off
38 Valve Off Delay 0 15 min 1 min
39 BST Sequencing Run Hours Unit Size Select Lead Run Hours
40 Select Lead Unit 0 127 0
41 Select Lag Unit 0 127 0
42 Lead/Lag Hours 25 hours 225 hours 72 hours
43
*BST TEMP CTRL MENU*
Disabled Enabled Disabled
44 BST Temp Hi Limit 40°F (4.4°C) 210°F (98.9°C) 210°F (98.9°C)
45 BST Setpt Lo Limit 40°F (4.4°C) BST Setpt HI Limit 60°F (15.5°C)
46 BST Setpt HI Limit BST Setpt Lo Limit 220°F (104.4°C) 195°F (90.6°C)
47 BST Prop Band 1°F (-17.2°C) 120°F (48.9°C) 100°F (37.8°C)
48 BST Intgral Gain 0.00 2.00 0.50
49 BST Deriv Time 0.00 Min 2.00 Min 0.10 Min
50 BST Deadband Hi 0 25 1