Carel humiFog UA1K0HM00, User Manual

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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.
L1
L2
3~ VAC
Power Supply
L3
Power Terminal Blocks
or
Disconnect Switch
GN
D
GN
D
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.
High pressure water line
RXTX+
Slave Pumping
Station
UA***H****
RXTX-
RXTX+
GND
J11
Solenoid
Valve
Wiring
AHU
Zone Control
Cabinet
UAZN*
GND
J11
RXTX-
RXTX+
AHU
Solenoid
Valve
Wiring
GND
J11
RXTX-
pLAN CONNECTION
Zone Control
Cabinet
UAZN*
Next zone,
if applicable
WIRING FROM PUMPING STATION, TO ZONE
CONTROL CABINET(S)
NOTES:
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.
Fig. 6.b
Fig. 6.a