REMKO CMF 120, Руководство по сборке и эксплуатации, Страница: 65 / 88

8.8 Auxiliary relays and contactor function
Auxil-
iary
relays
Function Use ... Found in the
circuit dia-
gram ...
K1 Controls the charge pump, circulating pump
heating circuits 1 and 2 and the relay K5
... in emergency heating
mode (Manual mode)
Ä on page 55
Ä
on page 57
Ä on page 58
K1E Activation of the flow monitor ... in emergency heating
mode (Manual mode)
Ä on page 55
Ä
on page 57
K2 Ccontrols K5 and activates the flow fault E2 ... in normal operation (Auto-
matic mode)
Ä
on page 55
Ä on page 58
K3 Setting the heat pump demand (compressor).
Compressor ON, if K3 is deactivated and contact
on the control board is closed
... in normal operation (Auto-
matic mode)
CN 83.1 und 83.2
Ä on page 58
Ä
on page 63
K4
CN
51.2
Setting the cooling release. Cooling ON if K4 has
activated and contact on the control board is open
... in normal operation (Auto-
matic mode)
CN 51.1
Ä on page 58
Ä
on page 63
K5 Actuation of the switching valve for the 2nd
heating source. Makes the zero potential contact
available for the demand of the 2nd heating
source
... in normal operation (Auto-
matic mode)
Ä on page 55
Ä
on page 58
Ä on page 59
K6 Electric heating contactor, level 1 (6 kW) ... in normal operation (Auto-
matic mode) and in emer-
gency heating mode (Manual
mode)
Ä on page 64
K7 External error message ... in normal operation (Auto-
matic mode)
Ä
on page 62
K8 Electric heating contactor, level 2 (3 kW) ... in emergency heating
mode (Manual mode)
Ä
on page 64
K10 Enabling of the fault input E2 of the heat pump
manager ("Heat pump fault" contact opening input
E2) after the indoor unit charging pump was
switched on
... in normal operation (Auto-
matic mode)
Ä
on page 58
Fig. 56: Auxiliary relays
65