Intermatic DTAV40 Series Owner's Manual

Intermatic Misc Electronics Owner's Manual - DTAV40 Series.
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MODE SELECTION (S1 DIP SWITCH):
First determine what model is being replaced (Grasslin 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 

terminals 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

• Disconnectpoweratthecircuitbreaker(s)ordisconnectswitch(es)beforebeginninginstallationorservicing.

 Donotusetheoffpositionofthetimerforequipmentservicing.

• Morethanonecircuitbreakerordisconnectswitchmayberequiredtode-energizetheequipmentbefore

 servicing.

• UseCOPPERconductorsONLY.

• For40amploads,use#8AWGwire,rated90degreesCmin.

• Wireinaccordancewithnationalandlocalelectricalcoderequirements.

• ThisType3Renclosuredoesnotprovidegroundingbetweenconduitconnections.Whenmetallicconduitis

 used,youmustalsoinstallgroundingtypebushingsandjumperwire,inaccordancewithåthenational

 electricalcoderequirements.

• Whenreplacingatimerwithametalbracket,replacethebracketwithanon-metallicbracket.(Intermatic

 ModelDT-Bisrecommended.)

• Foroutdoorlocations,raintight,orwetlocation,conduithubsthatcomplywithrequirementsofUL514B

 (standardforfittingsforconduitandoutletboxes)aretobeused.

DTAV40 Series  Time Initiated, Temperature, Pressure or 

Time Terminated Auto-Voltage 40A Defrost Timers

       WARNING Risk of Fire or Electric Shock

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

Grasslin

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 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

• Rotatetimerdialclockwiseonly.

• Donotmovetheclockhandsonthetimer.Movingtheclockhandscandamagethetimer.

       NOTICE

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