Airedale Chilled Water Cassette 2kW - 11kW - Manual (Page 16)

17 Technical Manual: 6806236 0 /20
CHILLED WATER CASSETTE
LEGEND
SEC 1 = Airedale electrical board
MC
= Control electrical board
M = Fan
E = Water valve E1 = Warm water valve
E2 = Chilled water valve
TMO 503 - SV2
The TMO 503-SV2 control is designed to be installed in a series 503 wall box.
It is easy to use, it has a big and clear display, and extremely precise.
The control is supplied integral with the external frame, but it is possible to
use frames of the most known brand on the market (BTicino, Vimar, AVE,
Gewiss).
The maximum electric absorbtion is 200 W.
If the fan coil has an higher absorbtion or more units are connected to the
same control, the speed switch SEL-S must be installed.
Identification Code
TMO 503 - SV2 9060173
- Manual or automatic speed switch.
- Manual Summer/Winter switch.
- Electronic thermostat for valve(s) control (ON-OFF).
- Simultaneus thermostatic control of the valves and fan (ON-OFF).
- It allows control of the low temperature cut-out thermostat (TME), included with the control.
Note: with 4 pipe installations and continuous chilled and hot water supply, it allows the automatic summer/winter
change-over in accordance to the room temperature (-1°C = Winter, +1°C = Summer, Dead Zone 2°C).
2 pipe installation 4 pipe installation
Electronic controls