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OPERATING

INSTRUCTIONS

Pictured Model 740-T88

Model

ELECTRICAL

740-T Series

740-TJ Series

120 Volts

100 Volts

50-60 Hz

50/60 Hz

740-TF Series

220-240 Volts
50/60 Hz

This product is warranted to be free from defects in material 
and/or workmanship for a period of 1 year from date of original 
installation, not to exceed 18 months from the date of 
manufacture.
Any component which proves to be faulty in material and/or 
workmanship will be replaced or repaired (at the option of 
Prince Castle, Inc.) without cost to the customer for parts and 
labor. This equipment is portable; charges for on-location 
service (e.g., trip charges, mileage) are not included in the 
provisions of this warranty.
This warranty is subject to the following exceptions/conditions:
•  Use of any non-genuine Prince Castle parts voids this 

warranty.

•  All labor to be performed during regular work hours. 

Overtime premium (the incremental amount) will be charged 
to the customer.

•  Damage caused by carelessness, neglect and/or abuse 

(e.g., dropping, tampering or altering parts, equipment 
damaged in shipment, by fire, flood or an act of God) is not 
covered under this warranty.

•  All problems due to operation at voltages other than that 

specified on equipment nameplates are not covered by this 
warranty. Conversion to correct voltage is the customer’s 
responsibility.

•  This equipment must be serviced by Prince Castle 

Authorized Service Agency or a Prince Castle Service 
Technician during the warranty period.

LIMITED WARRANTY

740-519

rev

A

 

        

  

Printed in USA 

3/06

 © 200

6

http://waterheatertimer.org/Countdown-timer-horsepower-ratings.html

Summary of Contents for 740-T Series

Page 1: ... warranty is subject to the following exceptions conditions Use of any non genuine Prince Castle parts voids this warranty All labor to be performed during regular work hours Overtime premium the incremental amount will be charged to the customer Damage caused by carelessness neglect and or abuse e g dropping tampering or altering parts equipment damaged in shipment by fire flood or an act of God ...

Page 2: ...reen first 70 of countdown Yellow next 20 countdown Red last 10 of countdown CONTROLS Activates countdown sequence in the run mode In the program mode it increases time values for each channel In the Run Mode it is used in conjunction with logo button to increase the volume In the program mode it decreases time values for each channel In the run mode it is used in conjunction with logo button to d...

Page 3: ...ASTLE logo to end the Program Mode This saves the program changes you have made for all channels 6 You can change the sound level of the alarm in RUN MODE Press and hold the PRINCE CASTLE logo then within six seconds press either the SCAN UP Arrow button or the SCAN DOWN Arrow button The SCAN UP Arrow button adjusts the sound level to the louder alarm the SCAN DOWN Arrow button adjusts the sound l...

Page 4: ... channel button to cancel the alarm CLEANING 1 Do not allow grease to build up on the timer wipe it down daily with clean damp cloth End PART LIST ITEM PART NUMBER DESCRIPTION 1 69 079S Plastic Rivet Pkg Of 2 2 740 030 Rear Cover T88 740 034 Rear Cover T44 T66 3 740 067S Main P C Board T44 740 065S Main P C Board T66 T88 4 740 077S Wing Board T88 Only 5 88 653 2 4S Speaker Assy 6 541 135 Speaker S...

Page 5: ...it until channels are in stop mode Display does mode not show Prog Logo Switch inoperable Replace Switch Panel D Unit enters program mode The channel is still counting Wait until channel is in stop mode Display shows Prog but Arrow Switch inoperable Replace Switch Panel cannot change times Circuit inoperable Replace Main Circuit Board E Unable to start stop or store Circuit inoperable Replace Swit...

Page 6: ...WIRING DIAGRAM 740 T44 T66 T88 6 Printed in USA 3 06 2006 740 519revA ...

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