D.h.w. Values; Maximum Nominal Setpoint Of D.h.w. Temperature; Switching Differential Of The D.h.w. Temperature - Siemens RVA47.320 User Manual

Cascade controller for modulating gas-fired boilers
Table of Contents

Advertisement

Benefit
Description
Setting
Effect
Benefit
Description
Note
Setting
Effect
Siemens Building Technologies
HVAC Products

D.h.w. values

5.14
Maximum nominal setpoint of d.h.w.
temperature
Setting can be limited by the enduser
Reduced risk of scalding
Minimized proneness to lime buildup
Function for limiting the nominal setpoint of the d.h.w. temperature.
1. Press the line selection buttons to select line 40OEM.
2. Press the + / - buttons to adjust the nominal setpoint of the d.h.w. temperature.
Setting range
8...80
The setting will ensure maximum limitation of the nominal d.h.w. temperature setpoint
(setting on line 13).
0
10
20
30
13
Setting "Nominal setpoint of d.h.w. temperature"
120
Setting "Reduced setpoint of d.h.w. temperature"
40
Setting "Maximum nominal setpoint of d.h.w. temperature"
OEM
5.15
Switching differential of the d.h.w.
temperature
Optimum frequency of d.h.w. heating
D.h.w. control is in the form of a two-position controller with an adjustable switching
differential.
The switching differential for d.h.w. control has no impact on d.h.w. with a control
thermostat or changeover valve (via BMU).
1.
Press the line selection buttons to select line 41OEM.
2.
Press the + / - buttons to adjust the switching differential for d.h.w.
Setting range
0...20
The setting will change the switching differential of the d.h.w. temperature control.
Entry:
Increase:
Switching differential will become larger
Fewer and longer heating up times, larger temperature variations
Basic Documentation RVA47.320
Description of the OEM settings
Unit
°C
40
50
60
70
80
Unit
°C (K)
Factory setting
60
90
100
120
130
140
Factory setting
5
CE1P2379E
15.07.2002
°C
123/166

Hide quick links:

Advertisement

Table of Contents
loading

Table of Contents