Technical data
STRATA2
37
Table 12
7.3 OEM parameter setting
● To enter the OEM Parameter Program, the door of the RVA 47 must be opened and the UP and
DOWN Prog buttons must be depressed for at least 10 seconds until 00000 appears in the window.
● The 00000 display must be changed to 11111 by inputting a password. The password for the RVA 47
is DOWN, DOWN, PLUS, MINUS, UP.
● A # between 2 and 92 will appear in a bracket on the left of the display window. These can be paged
through by using the UP and DOWN buttons.
● To alter or input the required data in the selected program line # use the + or – buttons.
● To leave the OEM Parameter Setting Menu press the AUTO button.
(Prog #) Description of Prog # Range Preferred setting
Heat source OEM
1 Minimum module temperature (manual operation) 8..95 8
2 Maximum module temperature (manual operation) 8..120 82
8 HKP, SLP Pump overrun timer 0..20 5
22 Minimum limitation of boiler return temperature 8..95 8
(not always displayed)
25 Calibration of module #1 -100..+100 13
26 Calibration of module #2 -100..+100 13
27 Calibration of module #3 -100..+100 13
28 Calibration of module #4 -100..+100 13
Space Heating OEM
30 Room influence gain factor 0..20 4
31 Quick setback constant 0..20 2
(room sensor dependant)
Increase. Setback will become longer
Decrease. Setback time will become shorter
32 Boost of room temperature set point 0..20 5
(room sensor dependant)
Increase. Heat up time reduced
Decreased. Heat up time increased
33 Frost protection program 0..1 1
0 Frost protection program switched. Off
1 Frost protection program switched. On
34 Over temperature pump protection 0..1 1
0 Deactivated
1 Activated
35 Heat gains -2…+4 0
Increase. If gains are high
Decrease. If gains are low
36 Curve Adaptation 1 sensitivity 1…15 15
Outside air range between 4-12ºC
37 Curve Adaptation 2 sensitivity 1…15 15
Outside air range below 4ºC
DHW OEM
40 Maximum DHW set point 8…80 60
41 DHW switching differential (sensor only) 0..20 5
42 Legionella protection program 0..1 1
0 Inactive
1 Activated (every Monday morning) (oem43)
43 Legionella temperature 8..95 70
44 DHS discharge protection 0..2 2
0 Protection not active
1 Protection active
2 Protection active when heating is locked
(not always displayed)
Cascade Setting OEM
50 Cascade management strategy 1…62
1 Automatic
2 Automatic
3 Automatic
4 Fixed
5 Fixed
6 Fixed