Specifications

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Power Supplies
PS-104
230VAC – 12VDC, Power Supply
The PS-104 is a power supply for HVAC system. It converts 230VAC to 12VDC for thermostat operation and
through relays, transfers commands from thermostat to operate HVAC system.
It offers 8 relay outputs to control HVAC system and 3 inputs for Temperature Sensors.
Features Wiring Diagram
y Main Supply - 230VAC
y 8 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
22
21
3
1
2
4
5
6
7
8
9
10
20
18
17
14
16
15
13
12
11
~
0
T1 T1 T2 T2 T3 T3
RL 7
RL 6
RL 5
RL 5
RL 3
RL 2
RL 1
Fuse 10A
POWER
SUPPLY
12VDC
+-
-
+
230VAC
Main input
To system
(230VAC)
To thermostat
(12VDC)
12VDC supply
(to thermostat)
Sensors
Sensors
RL 8
PS-600
230VAC – 24VDC, Power Supply
Ideal for 230VAC HVAC units operated by 24VAC
The PS-600 is a power supply for HVAC system. It converts
230VAC to 24VDC for thermostat operation and through relays,
transfers commands from thermostat to operate the 230VAC
HVAC system.
It offers 6 relay outputs to control HVAC system controllers
Wiring Diagram
Features
y Main Supply - 230VAC
y 6 x 230VAC outputs – 3 outputs 3A and 3 outputs 1A
y 6 x 24VDC inputs
y 10 direct input-output connections low Voltage (24V)
y Inputs & outputs are terminal blocks, screw connector
y PS-600 is supplied in a plastic enclosure box