Alarm SAF UT-10 Installation Instructions

Ultra Timers
UT-10 & UT-20 Installation Instructions

Operational Specifications:

Timing: 1 to 620 Seconds
Voltage: 12 - 24VDC/VAC
Voltage Selection: 12VDC: Factory Preset
12VAC: Cut White Jumper (W1)
Current: 12 Volts Relay inactive: 9mA
Relay active: 65mA
24 Volts Relay inactive: 28mA
Relay active: 102mA
Relay Contacts:
Ratings: 5 Amp @ 24VDC
5 Amp @ 120VAC
LED Indicator:Red LED illuminated when relay is active

UT-10 Mode Selection

UT-10
ON
1
4
S2
BASE
S1
TIME
AC
WHITE
W1
_
+
T GND R NO C NC

UT-20 Mode Selection

ON
UT-20
1
BASE
8 PULSE
S2
S1
TIME
AC
WIDTH
WHITE
W1
_
+
T GND R NO C NC
Terminal Legend:
+ : Positive Input Power
- : Ground
T : Trip
GND : Ground
Note: Terminals 2 & 4 (Ground) are internally connected
AlarmSaf 65A Industrial Way Wilmington, MA 01887-3499 (978) 658-6717 FAX: (978) 658-8638 Web Site: www.alarmsaf.com
24VDC: Cut Red Jumper (W2)
24VAC: Cut Red and White Jumper (W1,W2)
The timer mode is selected with
the following switches:
ON W2
1
24V
Mode
RED
One Shot
8
Delayed Release
Delayed Operate
Dual Delay
The timer mode is selected with
the following switches:
W2
ON
1 Mode S1- S1-
24V
RED
6 7
One Shot On On
8
Delayed Release On Off
Delayed Operate Off On
Dual Delay Off Off
Double Pulse On Off
Delayed Pulse On Off
R : Reset
NO : Normally Open Contact
C : Common Contact
NC : Normally Closed Contact

Trip Terminal (T)

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Timer may be configured for a positive or negative trip signal.
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Positive Trip: S2-1 ON (Default Setting)
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Negative Trip: S2-1 OFF

Retriggering

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Retrigger Mode:
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S1-8 OFF. Repeated applications of valid trip signal, applied during timeout, will extend timing.
v
Non-Retrigger Mode:
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S1-8 ON. Repeat applications of a trip signal, applied during timeout, will not affect timing.

Reset Terminal (R)

v
Reset is used to cancel the operation of the timer.
v
Upon application of a valid reset signal, timing ceases and the output contacts return to their originaal
position.
v
The timer may be configured for reset to operate on a positive or negative reset signal.
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To use the reset terminal, S2-4 (Reset Enable Switch) must be OFF.
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Reset Disabled: S2-4 ON (Default Setting)
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Positive Reset: S2-2 ON (Default Setting)
S1-6 S1-7 S1-8
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Negative Reset: S2-2 OFF
On On On
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Note: When not using the reset terminal S2-4 should be ON.
On Off -
Maintained Reset
v
Off On Off
The reset terminal may be used to override or block a trip signal.
v
When S2-3 is ON, a continuous signal applied to the reset terminal will cause the timer to remain in reset
Off Off Off
mode and ignore all trip signals.

Time Set Instructions

Pulse Width Adjustment

v
On the UT-20 only, the pulse width is adjustable for the Double Pulse and Delaed Pulse functions.
v
The pulse width (P) is adjustable from 1 to 220 seconds by turning the Pulse Width potentiometer.

Base Time Adjustment

v
S1- S2- S2- S2-
Timing is adjusted using the time set switches (S1-1 through S1-5) in conjunction with the Base Time
8 5 6 7
Potentiometer.
v
On Off Off On
The Base Time adjustment is adjustable from 1 to 20 seconds. This establishes a starting point for the time set
- Off Off On
switches as follows:
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Set the time set switchs for a value of 1 (S1-1 = ON, S1-2 through S1-5 = OFF).
Off Off Off On
}
Off Off Off On Adjust the Base Time Potentiometer for a particluar time. This is the Base Time.
v
On On On Off S1-1 through S1-5 are time multipliers valued as follows: S1-1 has a value of 1, S1-2 = 2, S1-3 = 4, S1-4 = 8
and S1-5 = 16. These are selected by placing them in the ON position. The sum of the individual switch values
On Off On Off
selected equals their total value.
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Mode Configuration

Switch OFF Value ON Value
S1-1 0 1
Maximum Total Value if S1-1
S1-2 0 2
through S1-5 are ON = 31.
S1-3 0 4
S1-4 0 8
S1-5 0 16
52-093
091996