Intermatic DTAV40M Manual

Intermatic Skifte DTAV40M

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Side 1/12

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 “ ”, the ter-A

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)

RED & GREEN LEDs will turn Defrost Mode -

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"

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

In Refrigeration Mode

Arrow on timer points to current time.

L1 L2/N

F 3 1 2 4 XN

“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

F3 1 2 4 X

“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

F3 1 2 4 XN

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 XN

“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.

CONTROL

POWER

TERMINATE

INPUT

CONTROL

POWER

TERMINATE

INPUT

CONTROL

POWER

TERMINATE

INPUT

CONTROL

POWER

TERMINATE

INPUT

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 determines the defrost duration 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 functions as a fail-safe and will time termination

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

Produkt Specifikationer

Mærke:	Intermatic
Kategori:	Skifte
Model:	DTAV40M

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