Watts AERCO SmartPlate SP23 - Page 55

SmartPlate Installation, Operation & Maintenance Manual
CHAPTER 7 – TROUBLESHOOTING
OMM-0069_0H • SP-100 • 1/30/2020 Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST Page 55 of 134
TABLE 7-3A. Dynamic Temperature Control Settings for SmartPlate Single- Water Heaters
Unit Size
(SP or
SPDW)
Boiler Water
Temp
(Tbw)
Feed
Forward
Parameter
(FFPb)
Proportional
Band 1
(Pb)
*Integral 1
(I1)
* Derivative 1
(D1)
Proportional
Band 2
(Pb2)
*Integral 2
(I2)
*Derivative 2
(D2)
*Gain Schedule
Cutoff Temp
(Gsch)
SP23
SPDW23
<=180 °F
-40
40
20
5
30
20
5
145
<=200 °F
-40
50
20
5
40
20
5
145
<=220 °F
-50
50
20
5
40
20
5
145
<=250 °F
-50
60
20
5
50
20
5
145
SP33
SPDW32
<=180 °F
-50
50
20
5
40
20
5
145
<=200 °F
-50
60
20
5
50
20
5
145
<=220 °F
-60
60
20
5
50
20
5
145
<=250 °F
-60
70
20
5
60
20
5
145
SP45
SPDW42
<=180 °F
-60
60
20
5
50
20
5
145
<=200 °F
-60
70
20
5
60
20
5
145
<=220 °F
-70
70
20
5
60
20
5
145
<=250 °F
-70
80
20
5
70
20
5
145
SP69
SPDW61
<=180 °F
-80
60
20
5
55
20
5
145
<=200 °F
-80
70
20
5
65
20
5
145
<=220 °F
-95
70
20
5
65
20
5
145
<=250 °F
-95
80
20
5
75
20
5
145
SP150
SPDW113
<=180 °F
-100
60
20
5
60
20
5
145
<=200 °F
-100
70
20
5
70
20
5
145
<=220 °F
-120
70
20
5
70
20
5
145
<=250 °F
-120
80
20
5
80
20
5
145