Rheem Raypak MVB 503 Installation & Operating Instructions Manual page 33

Table of Contents

Advertisement

0-10 VDC
0-20 mA*
0
1
2
3
4
5
6
7
8
9
10
*Requires a 500Ω resistor.
Table O: 0-10 VDC or 0-20 mA External Input Signal
Item
Boil Target
Boil Max
Boil Min
'Burner' Delay
Boil Mass
Diff
DHW Target
DHW Diff
'Pump' Dly
Outdr Start
Outdr Design
Boil Start
Boil Dsgn
WWSD
Units
Mode
External Input Signal
Offset
Boiler Target
0
--- (OFF)
2
50°F
4
68.9°F
6
87.8°F
8
106.7°F
10
125.6°F
12
144.1°F
14
163.3°F
16
182.2°F
18
201.1°F
20
220°F
Modes
1, 2
3
4, 5, 6, 7
1, 2, 4, 5, 6, 7, 8
3
1, 2, 3, 4, 5, 6, 7
All
All
1, 2, 3, 4, 5, 6, 7
3
3
All
4, 5
4, 5
4, 5
4, 5
4, 5
All
N/A
6, 7
6, 7
Table Q: Temperature Control Default Setpoints
2-10 VDC
0
1
2
3
4
5
6
7
8
9
10
*Requires a 500Ω resistor.
Table P: 2-10 VDC or 4-20 mA External Input Signal
Default Setting
160°F
160°F
180°F
200°F
180°F
150°F
0:00 min
1 (Low)
1 (Low), 2 (Med), 3 (High)
Auto
120°F
5°F
3:00 min
OFF, 0:20 to 9:55 min, ON
70°F
-10°F
135°F
180°F
70°F
°F
2
2 to 10 VDC
2 to 10 VDC or 0 to 10 VDC
0°F
33
4-20 mA*
Boiler Target
0
--- (OFF)
2
--- (OFF)
4
50°F
6
71.3°F
8
92.5°F
10
113.8°F
12
135°F
14
156.3°F
16
177.5°F
18
198.8°F
20
220°F
Range
OFF, 70 to 220°F
OFF, 70 to 190°F
OFF, 70 to 220°F
OFF, 120 to 225°F
OFF, 120 to 190°F
OFF, 80 to 180°F
0:00 to 3:00 min
Auto, 2 to 42°F
OFF, 70 to 190°F
2 to 10°F
35 to 85°F
-60 to 32°F
35 to 150°F
120 to 220°F
35 to 100°F
°F or °C
1, 2, 3, 4, 5, 6, 7, 8
-10°F to 10°F

Advertisement

Table of Contents
loading

Table of Contents