SECTION 9
-
Controller factory settings
Page 15
Description /parameter
Factory Set
Start temperature floor drying.
25
Factory set temperature for under floor heating (UFH).
30
o
C
Factory set temperature for radiators heating.
60
o
C
Select heating type (FLOOR HEATING or RADIATORS)
FLOOR HEATING
Set minimum temperature for under floor heating (UFH).
20
o
C
Set maximum temperature for under floor heating (UFH).
40
o
C
Set minimum temperature for radiator heating.
40
o
C
Set maximum temperature for radiator heating
65
o
C
Optimised heating function switch ON (YES) or OFF (NO).
NO
Set
∆
T heating optimized function for UFH
(∆
T opt. UFH).
5
o
C
Set
∆
T optimized heating function for radiator heating
10
o
C
Set time period for measuring the
∆
T in optimized heating
function in minutes.
25
Limiting the primary flow for Heating (max travel of the
stepper motor in heating mode) value 99 % valve fully
closed.
70
Set max. primary return temperature limit.
60
o
C
Select pump protection.
If the pump is not run after 24 hours, the pump is turned
on, this prevents the pump from seizing during long
periods of no usage).
NO
Set the time for running the pump during the pump
protection programming function in minutes.
2
Set frost protection.
Temperature is measured from the heating return
temperature sensor.
3
o
C
Set PWM function (00 = OFF). 99 is on max speed
modulation from external source.
PWM cable provided only as an accessory.
00
Manual operation of heating pump (overrides room
thermostat).
NO
Select type of contact room stat connection switching
(N.OPEN = Normally open / N.CLOSE = normally closed)
N.OPEN
Set temp DHW (set the hot water temperature)
55
o
C
OPTION for system with a hot water storage cylinder
Set DHW temperature produced by cylinder.
60
o
C
OPTION for a system with a hot water storage cylinder
Set
∆
T for loading the cylinder.
5
o
C
OPTION for a system with a hot water storage cylinder
Select cylinder connected.
(NO = no cylinder/ YES= cylinder).
NO
OPTION for a system with a hot water storage cylinder
Off =00
Switching loading pump or electrical heating element = 01
Switching remote fault or error indicator = 02
01
Description/parameter
Factory Set
Select keep warm function ( OFF / ON).
YES
Set delay time for activating the keep warm function after
closing the PICV (last operation heating or DHW).
Set time in 10 minute values (1 == 10 minutes).
1
Set max primary return temperature during keep warm
function.
40
o
C
Set min primary return temperature during keep warm
function.
37
o
C
Select which Plate Heat Exchanger (PHE) will be used in
combination with the keep warm function.
00 = PHE for DHW
01 = PHE for Heating
Or convert the controller to Single Plate HIU operation
02 Single Plate HIU
-
HTG Only
03 Single plate HIU
-
DHW ONLY
00
Select Legionella cycle (00 = NO / 01 = YES
Only operates when there is no call for DHW function.
NO
Time of the legionella cycle. In minutes.
30
Time for the Legionella to start after the last demand
for DHW function value in days.
7
Set temperature to pasteurise in the legionella cycle.
65
o
C
Prepayment
-
select Prepayment NO or YES.
‘
Pay as you go
’(
PAYG).
Connected to a Billing Provider by a
VOLT FREE
connection.
NO
PICV ACTUATOR
-
manual operation stepper motor PICV
00 = AUTO.
(Setting 01 = FULLY CLOSE
Setting 02 = FULLY OPEN).
AUTO
DIVERTING VALVE
-
manual operation.
00 = AUTO.
(Setting 01 = DHW
Setting 02 = HEATING)
AUTO
PUMP
-
manual operation.
00 = AUTO.
(Setting 01 = PUMP ON
Setting 02 = PUMP OFF)
AUTO
Language.
English
SLAB
-
start the slab drying function.
NO
Reset to Factory Settings.
Note if operating as a single plate HIU
-
reset parameter 60!
NO
Diagnostics (display shows operation, temperature, valve
opening steps).
NO
Programming HIU Controller.
Any changes to the factory settings should be carried out during
commissioning. Details of programming parameters are to be
found in the
Controller Programming Guide.
This document is available on request from your Inta Specification
manager involved with this installation project.
Alternately contact by;
Inta website https://intatec.co.uk/contact
-
us/
Phone 01889 272181 ask for HIU Technical Support.
∆
T = Temperature differential value
06/21 E&OE
