Specifications

www.meitavtec.com | [e-mail] 16-1
Power Supplies
PS-102
230VAC – 12VDC, Power Supply
The PS-102 is a power supply for HVAC system. It converts 230VAC to 12VDC for thermostat operation and
through relays, transfers commands from thermostat to operate 230VAC HVAC system.
It offers 7 relay outputs to control HVAC system and 3 inputs for Temperature Sensors.
Features Wiring Diagram
y Main Supply - 230VAC
y 7 x 230VAC outputs – each 6A (resistive), or 3A
(inductive), total  9A
y 7 x 12VDC inputs
y 3 inputs for temperature sensors
y Inputs & outputs are terminal blocks, screw connector
y PS-102 is supplied in a plastic enclosure box
21
1
22
2
3
4
5
6
7
8
9
10
20
17
16
18
15
14
13
12
11
~
0
T1 T1 T2 T2 T3 T3
RL 7
RL 6
RL 5
RL 4
RL 3
RL 2
RL 1
Fuse
10A
POWER
SUPPLY
12VDC
+-
-
+
PS102
230VAC
Main input
To system
(230VAC)
To thermostat
(12VDC)
12VDC supply
(to thermostat)
Sensors
Sensors
PS-24
24VAC - 230VAC –Power Supply
Ideal for 230VAC Fan operation in 24VAC HVAC systems
The PS-24 is a power supply for HVAC system. It converts 24VAC to 230VAC thorough relays for fan operation and
transfers commands from thermostat to operate 24VAC HVAC system. All in all, it offers 3 relay 230VAC outputs to
control HVAC fan system and 4 x 24VAC inputs, directly transferred to 24VAC outputs.
Features
Wiring Diagram
y Main Supply - 230VAC
y 3 x 230VAC outputs + 4 x 24VAC outputs
y 7 x 24VAC inputs + 1 Temperature input
y Inputs & outputs are terminal blocks, screw connector
y PS-24 is supplied in a plastic enclosure box