Wiring; Power Wiring; Pumping Station To Multi Zones - Carel humiFog UA1K0HM00 User Manual

6. Wiring

6.1

Power Wiring


Check that the power supply voltage to be connected matches the value indicated on the rating plate inside the electrical
panel.

An external, fused disconnect should be provided according to local and/or national electrical codes.

To avoid unwanted interference, the power cables should be kept separate from any control wiring.

All wiring must be in accordance with local, state and country electric codes.

Tolerance allowed on main voltage = -15% to +10%
Power is connected to the main switch inside the control panel at the top right. Connect wires to the top of the switch/terminal labeled
L1, L2, and L3. There is also a ground bar/lug labeled GND.
Power Supply
Power Terminal Blocks
Disconnect Switch
6.2

Pumping Station to Multi Zones

Pumping stations are wired to the multi-zone control panels by pLAN connections. Please see diagram below, as well as the CAREL
pCO platform manual for specific instructions.
pLAN CONNECTION
J11
RXTX-
RXTX+
GND
Slave Pumping
Station
UA***H****
High pressure water line
3~ VAC
or
Fig. 6.a
J11 J11
RXTX- RXTX-
RXTX+ RXTX+
GND GND
Zone Control Zone Control
Cabinet Cabinet
UAZN* UAZN*
Solenoid Solenoid
Valve Valve
Wiring Wiring
AHU AHU
Fig. 6.b
WIRING FROM PUMPING STATION, TO ZONE
CONTROL CABINET(S)
Next zone,
NOTES:
if applicable
1. Use a twisted pair shielded cable to zone
control cabinets.
2. Connect to terminal block J11 of PCO3 in each
zone cabinet.
3. Connect the shield to the GND at pumping
station end only.
Rx/Tx+ must match on all PCO controllers. Rx/Tx-
must also match on all PCO controllers.
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