User`s guide

Page 15
RCCD 1
RCCD 2
MCB
Compressor &
controller
In line flow boiler
+
DHW immersion switched
by heat pump
In line flow boiler
+
DHW immersion switched
by a relay controlled by the
heat pump or no DHW
immersion installed
Total running
current
(Amps)
Suggested
„type C‟
MCB
rating
LA 6 MI
21A
26A
13A


47
50


34
50
LA 9 MI
23A
26A
13A


49
50


36
50
RCCD 1
RCCD 2
RCCD 3
MCB
Compressor
& controller
In line flow
boiler
DHW immersion
switched by
heat pump
DHW immersion switched
by a relay controlled by
the heat pump or no DHW
immersion installed
Total running
current
(Amps)
Suggested
„type C‟ MCB
rating
LA 12
MI
25A
26A
13A
0A



51
63



64
80
LA 16
MI
27A
26A
13A



53
63



66
80
Table 2: Calculation of running current for entire heat pump to size power supply cable and MCB at distribution board.