IVT Rego 5101 Installation Manual page 19

Setting
Settings
(Hot water type =
Local sensor)
Therm. disinfection
(Hot water type =
Local sensor)
TwinKick
(Hot water type =
Local sensor)
Tab. 36 Hot water
6 720 645 172 (2010/07) en
Settings
Alarm setting
Alarm limit:
Delay
B Set with what time alarm Low temperature T3 hot water is to be delayed (
page 34).
Settings
Valve:
Emergency operation:
B Enter type of three-way valve to get the correct designation in the control unit.
External = E4x.Q1x, Internal= Q21
B Indicate Yes if Emergency operation for hot water should be able to occur in event of
problems, Chapter 4.5.3, page 20 for description of the function.
Settings
Monitor E11.T1:
Set point - T1 >
Delay
B Select Yes when the heat pump must monitor E11.T1 during hot water production.
B Enter the maximum number of degrees (K) the flow temperature T1 may be below its set point
value.
B Enter how long the flow temperature must be below the set limit before the heat pump
changes to heating mode.
At more than one heat pump all heat pumps except E21 switch to heating mode 2 degrees (K)
below E21's limit (10 K-2 K = 8 K at 10 K factory value ).
Settings
Heat protection:
T1 - Set point>
T1 increase >
B Select Yes when the heat pump must monitor E11.T1 during hot water production.
B Enter the maximum number of degrees (K) the flow temperature T1 may exceed its set point
value and how many degrees (K) T1 may increase during hot water production.
When both conditions are fulfilled the heat pump gives an alarm Problem with E4x.Q1x 3-way
valve or Problem with Q21 3-way valve (
Therm. disinfection
Day:
Start:
Number of steps:
B Select Yes if thermal disinfection is to occur. Indicate frequency and time of start.
B Select number of stages for the internal electric additional heat that is to be used by the
function.
The function can only occur in heat pumps with internal electric additional heat. It starts
according to settings and is active until T3 exceeds 70 °C or has operated for three hours. If
70 °C is not reached in that time an alarm is given Therm. disinfection unsuccessful
( Chapter 5.6.43, page 35), and a new attempt is made on the next occasion.
TwinKick
B Select Yes if the function should be active.
After heating mode a hot water demand is initiated if the hot water is lower than half the
difference to the stop limit. After hot water production a heating demand is initiated if the flow
temperature is lower than one degree below the set point value. Hysteresis is set to maximum.
Factory
45 °C
30 min
External External, Internal
No
No
10 K
10 min
No
10 K
15 K
Chapter 5.6.21, page 33).
No
None, Day, All
02:00 00:00 - 23.59
1
No
Settings
Range HP
E2x
Chapter 5.6.34,
E2x
No, Yes
E2x
No, Yes
E2x
No, Yes
No, Yes E21
1, 2, 3
No, Yes E21
(installation
with 1 HP)
19