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© Central Heating New Zealand Ltd 

3 of 10 

July 2016 

 

2.

 

System configuration 

There are 2 common configurations, A or B for heating and either can also have DHW, C: 

A)

 

Heat pump using own controller as room thermostat 

B)

 

Heat pump using additional central heating controller as room thermostat 

C)

 

Heating configuration A or B with DHW 

Set the parameters according to the 3 tables below. 

2.1.

 

System A: Heat Pumps controller used as room thermostat 

 

Parameter  Description 

Value 

Default 

Set to 

41 00 

So that the controller turns the heat pump on and off according 
to the room set point on the controller set to 0  
0 = Room Set Point 
1 = Water Set Point 

21 01 

Flow temperature set point for heating 

35 to 45 underfloor (depending on floor covering) 
60 – radiators  

45 

See 

description 

42 00 

Internal circulating pump configuration 
0=always on (even when no heat demand, not recommended) 
1=on/off based on buffer tank temp 
2=on/off based on sniffing cycles 

42 01 

Time pump on when sniffing 

42 02 

Time pump off between sniffs 

43 01 

Start temp of frost protection on Room air temperature  

14 

 

Heating system: 

Radiators or 

Underfloor 

Heat pump 
controller also 
used as room 
thermostat  

Summary of Contents for i-KIR2

Page 1: ...guration 3 2 1 System A Heat Pumps controller used as room thermostat 3 2 2 System B Heat pump switched on off by room thermostat s 4 2 3 System C A or B with a Hot Water Cylinder DHW 5 2 4 Additional...

Page 2: ...ser level Press menu button for 3 seconds 2 For Install parameters hold down the 3 buttons together for 3 seconds 3 The parameter number 4 digits will be displayed and the value of the parameter 2 of...

Page 3: ...0 So that the controller turns the heat pump on and off according to the room set point on the controller set to 0 0 Room Set Point 1 Water Set Point 1 0 21 01 Flow temperature set point for heating 3...

Page 4: ...meter Description Value Default Set to 51 20 Terminal 20 21 ON OFF remote contact or EHS Alarm input 0 Disable Remote controller only 1 ON OFF remote contact 2 EHS Alarm input 0 1 21 01 Flow temperatu...

Page 5: ...to is controlled via a sensor in the hot water cylinder connected to the heat pump the sensor needs to be enabled Parameter Description Value Default Set to 51 07 Enable DHW sensor Terminal 7 8 0 disa...

Page 6: ...et Auto Power OFF and Manual See List of Error codes for the procedure to reset each error code Auto Automatically Once it returns to normal condition the error will be reset When the unit stops it ma...

Page 7: ...controller only which acts as a room thermostat B Standard central heating controller s to turn HP on and off heat pumps remote controller is not used as a room thermostat but still needed to set flo...

Page 8: ...pump will come on but will not go off in response to room temperature Test Turn on the heat pump with top left button if not on already and select heating sun symbol using heat cool button When the s...

Page 9: ...at pumps controller then the heat pump has been configured correctly Check the heating controls will turn the heat pump on and off If there is more than one thermostat turn them all off and then turn...

Page 10: ...n heating 2 Press the tap button briefly so the tap symbol appears on the screen 3 The DHW heat pump should turn on to heat the DHW provided the cylinder temperature is below the DHW set point minus t...

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