meitav-tec MTSC, Owner'S Manual

Page: 17 / 40

3. Wiring configuration and DIP Switches – Fan coil systems
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11
12
13
14
15
16
AO1
AO2
SW1
SW2
MTSC Series: SW1.8 = Communication Protocol: ON – BACnet, OFF – MODBUS
SW1.4 = Enable/Disable 2
nd
heating stage: ON – Enable, OFF – Disable
SW1.5 = Chilled beam option (fan will not run with 1
st
stage cooling) – SW1.5 ON
S2.3 – S2.6 – Not in use
Cool valve
X
Heat valve PID
(1
st
stage heat)
Fan VFS
X
X
Cool valve PID
Heat valve PID
(1
st
stage heat)
8 7 6 5 4 3 2 1
6 5 4 3 2 1
8 7 6 5 4 3 2 1
6 5 4 3 2 1
Fan high
Fan medium
Fan low
Heat element
(2
nd
stage heat)
X
Heat valve
(1
st
stage heat)
Cool valve PID
Fan VFS
4-Pipe, 3 Speed
Heat PID
Cool valve
X
Heat valve PID
(1
st
stage heat)
X
8 7 6 5 4 3 2 1
6 5 4 3 2 1
8 7 6 5 4 3 2 1
6 5 4 3 2 1
Fan high
Fan medium
Fan low
Fan high
Fan medium
Fan low
Fan high
Fan medium
Fan low
Heat element
(2
nd
stage heat)
Heat element
(2
nd
stage heat)
Heat element
(2
nd
stage heat)
Fan on/off: 24/110/230VAC, 3A max.
Fan VFS, PID valves: 0-10VDC. 5mA Not isolated
Control - Heat elements, Cool/Heat valves, Compressors: 24/110/230VAC, 0.3A max.