Intermatic DTAV40IM Bedienungsanleitung
Intermatic
Schalter
DTAV40IM
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MODE SELECTION (S1 DIP SWITCH):
First determine what model is being replaced (Intermatic or Competitors).
The mode selector DIP switch (located at lower right side of the board)
determines the configuration of terminals 2 & 4. In position “A”, the ter-
minals are normally closed, and will open during a defrost. In position “B”,
terminals 2 & 4 are normally open, and will close during a defrost. Select
proper position from table below and wiring diagrams indicated.
To select mode simply slide the switch as follows:
Mode A - position switch up;
Mode B - position switch down;
Note: When Mode “B” is selected the
DTAV40 will operate as follows:
Refrigeration Mode - Red & Green LEDs
will turn OFF (1 & 3 and 2 & 4 break while
1 & F make)
Defrost Mode - RED & GREEN LEDs will turn
ON (1 & 3 and 2 & 4 make while 1 & F break)
Installation &
Operating Instructions
TImer Mechanism
Figure 2
2-1/2"
6-1/8"
Ground Lug
INSTALLATION
1. Open door and then remove interior protective cover by releasing
spring latch on bottom (Figure 1). Cover flexes out easily on Type 1
metallic case (Figure 4).
2. Apply corresponding Terminal Identification and Door labels-see
retrofit kit instructions.
3. Remove timer mechanism by releasing PCB Latch on bottom
(Figure 1). Timer Mechanism comes detached in TYPE-1 Metallic
Enclosure (Figure 4).
4. Select knockouts to be used. Remove inner 1/2" knockout by
inserting a screwdriver in the slot and carefully punch knockout
loose. Remove slug. If 3/4" knockout is required, remove the outer
ring with pliers after removing the 1/2" knockout. Smooth edges
with knife if necessary, on plastic enclosure only.
5. Place enclosure in desired mounting location and mark the three
mounting holes (refer to Figure 2 for Type 3R and Figure 3 for
Type 1 below). Start by installing top screw into mounting surface
and hanging enclosure on screw head through keyhole; then screw
in remaining two screws in bottom holes.
6. Grounding: Terminate all ground wires to ground lug on bottom of
enclosure.
7. Re-install timer in enclosure.
8. Replace interior protective cover.
PCB Latch
Interior
Protective
Cover
Timer Mechanism
Spring Latch
Paragon Precision
TIME INITIATED, TIME TERMINATED
Intermatic
Mode Selection Wiring Diag.
TIME INITIATED, PRESSURE TERMINATED
(Separate Pressure Switch Required (see instructions)
TIME INITIATED, REMOTE TEMPERATURE OR
PRESSURE TERMINATED
Cross Ref.
DTAV replaces over 40 models.
Set Mode Selection (See S1 DIP Switch, table and instructions below).
Figure 4
7 ¾"
5"
Type 1 Enclosure
Figure 3
PCB Latch
Interior
Protective Cover
UL TYPE 3R ENCLOSURE
Mode Selection Switch (S1)
SEE SEPARATE BRACKET
REPLACEMENT NOTICE
IN PACKAGE
UL TYPE 1 ENCLOSURE
BRACKET MOUNT
(Saleable item DT-B)
Type 1 Enclosure
Type 3R Enclosure
Type 3R Enclosure
Figure 1
2-1/2"
4-1/16"
SPECIFICATIONS:
Maximum Contact Switch Rating:
40A Resistive @ 120-240VAC
2HP @ 240VAC; 1HP @ 120VAC
WIRING CONNECTIONS:
Screw box lug terminals. Up to one #8AWG Wire
ENVIRONMENTAL RATINGS:
Operating Temperature Range: -40˚F to 104˚F (-40˚C to 40˚C)
Operating Temperature Range: (Q-Models) -4˚F to 104˚F
(-20˚C to 40˚C)
Operating Humidity: 0 - 95% RH,
non-condensing
ELECTRICAL LIFE:
50,000 Operations at Full Load
DIMENSIONS:
8.795" x 6.631" x 2.935" (H x W x D)
SHIPPING WEIGHT: 3 lbs.
AGENCY APPROVALS: UL LISTED
Risk of Damage to Timer
• Rotate timer dial clockwise only.
• Do not move the clock hands on the timer. Moving the clock hands can damage the timer.
NOTICE
• Disconnect power at the circuit breaker(s) or disconnect switch(es) before installing or servicing.
• More than one circuit breaker or disconnect switch may be required to de-energize the equipment before
servicing.
• Installation and/or wiring must be in accordance with national and local electrical code requirements.
• For 40 amp loads, use #8 AWG wire, rated 90° C min.
• Bonding between conduit connections is not automatic and must be provided as part of the installation.
• When replacing a timer with a metal bracket, replace the bracket with a non-metallic bracket. (Intermatic
Model DT-B is recommended).
• For outdoor locations, raintight, or wet location, conduit hubs that comply with requirements of UL514B
(standard for fittings for conduit and outlet boxes) are to be used.
WARNING
Risk of Fire or Electric Shock
DTAV40 Series Time Initiated, Temperature, Pressure or
Time Terminated Auto-Voltage 40A Defrost Timers
DTAV40 TROUBLESHOOTING GUIDE
M ODE A
DTAV40 TROUBLESHOOTING GUIDE
MODE B
In Refrigeration Mode
Arrow on timer points to current time.
L1 L2/N
F
3
1 2
4
X
N
“Green” LED ON
Trippers are “IN”
Indicates
Refrigeration
“1 & F” Make
“1 & 3” Break
“2 & 4” Make
In Defrost Mode
Arrow on timer points to current time.
L1 L2/N
F
3
1 2
4
X
N
“Red” LED ON
“1 & F” Break
“1 & 3” Make
“2 & 4” Break
In Refrigeration Mode
Arrow on timer points to current time.
L1 L2/N
F
3
1 2
4
X
N
Both LED’s OFF
Both LED’s ON
“1 & F” Make
“1 & 3” Break
“2 & 4” Break
In Defrost Mode
Arrow on timer points to current time.
L1 L2/N
F
3
1 2
4
X
N
“1 & F” Break
“1 & 3” Make
“2 & 4” Make
Trippers are “OUT”
Indicates
Defrost
Trippers are “IN”
Indicates
Refrigeration
Trippers are “OUT”
Indicates
Defrost
Note: It is necessary to apply power across terminals 1&N
in order to perform electrical test.
2
CONTROL
POWER
TERMINATE
INPUT
CONTROL
POWER
TERMINATE
INPUT
CONTROL
POWER
TERMINATE
INPUT
CONTROL
POWER
TERMINATE
INPUT
8
7
A
M
PROGRAMMING SYNCHRONOUS AND QUARTZ
MODELS
Follow the instructions in the sections below to program the
DTAV40 Timer.
Setting the Time of Day:
Rotate the timer dial clockwise to align the triangle on the
inner dial with the desired time. The triangle represents the
current time on the timer.
NOTE: The AM and PM locations on the wheel represent 6
AM and 6 PM. For example, if the triangle points to the 7
after PM, then the current time is 7 PM. If the triangle
points to the 5 before PM, then the current time is 5 AM.
DO NOT ROTATE MINUTE HAND COUNTER-CLOCKWISE
Setting Defrost Times:
Follow this procedure to configure defrost times.
1. On the timer wheel, choose a defrost starting time.
2. Slide the tripper upward that is directly above the desired
time. The timer will initiate a 15 minute defrost at the
configured time.
3. To increase the duration of the defrost,
slide up the trippers that are adjacent to the
starting time.
NOTE: Each tripper on the time wheel
represents 15 minutes. For example, to set a 45-minute
defrost, slide the two trippers adjacent to the starting time.
NOTE: The AM and PM locations on the wheel represent 6
AM and 6 PM.
4. Repeat steps 1 through 3 as necessary to configure
multiple defrost times for a given day.
APPLICATION
The DTAV40 Defrost Timer is equivalent in function, terminal identification
(with appropriate terminal block label attached), and wiring to the Paragon
8140 and Precision 6140 series Defrost Timers. The DTAV40 may also be
used to replace Paragon 8040 and Precision 6040 series time terminated
defrost timers. With the addition of a remote pressure switch, the DTAV40 can
replace the Paragon 8240 series pressure terminated defrost timers.
Defrosts will be initiated by programming the timer, which will accept from 1
to over 24 defrost initiation settings per day at 15 minute intervals (8:00 AM,
8:15 AM, 8:30 AM, etc)
Defrost duration is settable in 15 minute intervals from a minimum of 15
minutes up to several hours. The defrost duration determines the termination
time. In standard configuration, the contacts between terminals 1 and 3 are
normally open and closed during a defrost to energize defrost heaters; the
contacts between terminals 2 and 4 are normally closed with S1 in “A”
position and open during a defrost to de-energize refrigeration and fans.
DTAV40 Time Initiated, Remote Temperature,
Pressure or Time Terminated:
Used in electric or hot gas defrost applications where the defrost is
terminated when the coil is frost free, as sensed by a temperature or
pressure switch, even though the defrost programmed termination time
has not been reached. The time termination functions as a fail-safe and will
terminate the defrost if the temperature or pressure switch fails to do so. The
temperature or pressure switch on the refrigeration coil has contacts which
close on a temperature or pressure rise above freezing, indicating
that frost and ice have melted from the coil. Typically a wide differential
SPDT temperature switch is used with it’s normally closed contacts wired to
the fans thereby delaying the fans from coming on until the coil temperature
has dropped back to below freezing. In most applications, the contacts at
terminals 2 and 4 are normally closed with S1 in “A” position and control the
fans and refrigeration equipment or compressor. For hot gas defrost, or for
double pole switching, contacts 2 and 4 may be configured as normally open
by selecting mode “B”. Refer to wiring diagrams 1 thru 10 for
additional detail.
DTAV40 TRIPPERS
MODE A
DTAV40 TRIPPERS
MODE B
Produktspezifikationen
| Marke: | Intermatic |
| Kategorie: | Schalter |
| Modell: | DTAV40IM |
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