E93.1601EN032.C VGH installation manual
62
Sensor availability
The following table shows the sensor availability for all CH and DHW control modes. Sensors not mentioned in
the table are optionally available for other functions
CH Mode
0
1
2
3
4
5
T_Supply
M
M
M
M
M
M
T_Return
O O O O O O
T_DHW
O
O
O
O
O
O
T_Outdoor ---
M
M
O
O
0-10 Volt
O
O
O
O
M
M
Water Flow DHW
O
O
O
O
O
---
RT Switch
M
M
M
M
M
---
M = Mandatory, O = Optional, --- = Disabled.
CH mode 0 – Central Heating demand with thermostat control
CH mode 1 – CH with an outdoor temperature reset and thermostat control
CH mode 2 – Central Heating with full outdoor temperature reset
CH mode 3 – Central Heating with permanent heat demand
CH mode 4 – Central Heating with analog input control of setpoint
CH mode 5 – Central Heating with analog input control of power output
DHW Mode
0
1
2
3
4
5 N.A.
6 N.A.
7 N.A.
8 N.A.
T_Supply
O
M
M
O
M
O
M
M
M
T_Return
O O O O M O
---
O
M
T_DHW
---
M
---
M
M
M
M
---
M
T_Outdoor
O O O O O O
---
---
O
0-10 Volt
O
O
O
O
O
O
O
O
O
Water Flow DHW
O
O
O
O O M
O
M
M
RT Switch
O
O
M
O
O
O
O
O
O
M = Mandatory, O = Optional, --- = Disabled, N.A. = Not Available.
DHW mode 0 – No Domestic Hot Water
DHW mode 1 – Storage with sensor
DHW mode 2 – Storage with thermostat
DHW mode 3 – Instantaneous water heating with plated heat exchanger, flow switch and DHW-out sensor N.A.
DHW mode 4 – Instantaneous water heating with plated heat exchanger and DHW-out sensor
DHW mode 5 to 8 N.A.
NTC sensor curve
All NTC sensors are according to this characteristic: NTC 10K@25°C B3977k
Temperature
Resistance Temperature Resistance Temperature Resistance Temperature
Resistance
°C °F
Ω
°C
°F
Ω
°C
°F
Ω
°C
°F
Ω
-30 -22 175203 20 68 12488 70
158 1753 120
248 387
-25 -13 129289 25 77 10000 75
167 1481 125
257 339
-20 -4 96360 30 86 8059 80
176 1256 130
266 298
-15 5 72502 35 95 6535 85
185 1070 135
275 262
-10 14 55047 40
104 5330 90
194 915 140
284 232
-5 23 42158 45
113 4372 95
203 786 145
293 206
0 32 32555 50
122 3605 100
212 677 150
302 183
5 41 25339 55
131 2989 105
221 586 155
311 163
10 50 19873 60
140 2490 110
230 508 160
320 145
15 59 15699 65
149 2084 115
239 443 165
329 130
Table 11. 3
Table 11. 4
Table 11. 5
Summary of Contents for VGH-299-CH
Page 6: ...E93 1601EN032 C VGH installation manual 6 1 SAFETY GUIDELINES ...
Page 59: ...E93 1601EN032 C VGH installation manual 59 Ladder Logic Diagram Figure 11 3 ...
Page 60: ...E93 1601EN032 C VGH installation manual 60 Electrical schematics Figure 11 4 ...
Page 61: ...E93 1601EN032 C VGH installation manual 61 Figure 11 5 ...
Page 123: ...E93 1601EN032 C VGH installation manual 123 22 SPARE PARTS Figure 22 1 ...
Page 124: ...E93 1601EN032 C VGH installation manual 124 Figure 22 2 ...
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