Connection of the back-up boiler
Back up boiler (N)
Back up boiler (L)
When it set back up
boiler on the control kit
(relay off )
EHS MONO Kit-EU_IM_05388A-04_EN.indd 25
No. of wires
1 . Before the installation, control kit should be turned off .
2 . Using the appropriate equipment to correct position of terminal
block as shown on the diagram .
3 . Make sure EXT-CTRL signal of back up boiler must be 230Vac .
- Do not connect supply power of back up boiler directly .
When it order to back up
❋ ❋ Heat pump does not work when the Back-up boiler operates .
boiler operates (relay on)
Step1 : CNP003, CNP001
Step2 : CNP003, CNP002
Relay or Magnetic contactor for a control signal
AC 230V (MAX 0 . 5 A)
0 . 7 5mm
Field supply (230 V~,
2016-06-23 오후 3:43:03