Kohler RDT Installation Instructions Manual

Kohler RDT Installation Instructions Manual

Automatic transfer switches. programmable exerciser kits gm47597-ka1, -ka2, ka3, -kp1, -kp2, and -kp3; gm48913; gm48919, and gm64108 (gm38798-ka1, -ka2, kp1, kp2, discontinued)
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Original Issue Date: 12/04
Model: RDT, HDT, and KSS-J Automatic Transfer Switches
Market: ATS
Subject: Programmable Exerciser Kits GM47597-KA1, -KA2, KA3, -KP1, -KP2,

Introduction

Use the Programmable Exerciser Kit with the following
transfer switch models:
RDT
D
HDT
D
KSS-J with Decision-Makerr MPAC 750 Controller
D
Service kits are also available to replace the exercise
timer on transfer switches equipped with S340 controls.
Figure 1 shows the programmable exerciser timer. See
Figure 3 through Figure 5 for illustrations of installed
exerciser timers.
Use the programmable exerciser kit to schedule
generator set exercise runs in addition to the weekly or
biweekly exercise set through the ATS controls. The
programmable exerciser kit can also be used for peak
shaving by scheduling the system to start the generator
set and transfer the load at selected times and days.
Optional Accessory Board GM38796-KA1 or -KP1 is
required for connection and operation of the
programmable exerciser kit on Model RDT transfer
switches.
The
programmable
programmable timer GM64027 or GM64028, mounting
hardware, and connecting leads as required.
Read the entire installation procedure and compare the
kit parts with the parts list at the end of this publication
before beginning installation. Perform the steps in the
order shown. The installation and wiring must comply
with the National Electrical Code and applicable local
codes.
* Discontinued kits. See page 13 for instructions.

INSTALLATION INSTRUCTIONS

and -KP3; GM48913; GM48919, and GM64108
(GM38798-KA1, -KA2, KP1, KP2, discontinued*)
exerciser
kits
include

Timer Features

24 hour/7 day timing combined
D
8 on/off operations daily, up to 56 switching (on or off)
D
cycles per week
5 year lithium battery for backup power
D
24 hour display (military time or AM/PM)
D
Manual override
D
Skip a day feature
D

Programmable Timer Specifications

Switching
SPDT
Switch rating
16 A @ 45C; 10 A @ 55C
Supply voltage
120VAC, 50/60 Hz (GM60427)
240VAC, 50/60 Hz (GM64028)
5-year lithium backup battery
Rated power
3.5 VA
Operating
--10C to 55C
temperature range
(--14F to 131F)
Connections
6.3 x 0.8 tab terminals
Shortest switch time
1 minute
Figure 1 Programmable Exerciser GM64027 (120V)
and GM64028 (240V)
TT-1403
4/16c

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Summary of Contents for Kohler RDT

  • Page 1: Installation Instructions

    TT-1403 4/16c INSTALLATION INSTRUCTIONS Original Issue Date: 12/04 Model: RDT, HDT, and KSS-J Automatic Transfer Switches Market: ATS Subject: Programmable Exerciser Kits GM47597-KA1, -KA2, KA3, -KP1, -KP2, and -KP3; GM48913; GM48919, and GM64108 (GM38798-KA1, -KA2, KP1, KP2, discontinued*) Introduction Timer Features...
  • Page 2: Safety Precautions

    To replace the older style timer GM39330 on the (Decision-Makerr 3+ and 550 Generator Set Controllers) 200 Amp service entrance rated model RDT, service kit GM64108 is required. The service kit includes a retrofit Disabling the generator set. Accidental starting can cause severe injury or death.
  • Page 3 2 Installation Procedure 2.1 Mounting, 100- -200 Amp Model RDT See Figure 3. Note: For factory-installed exerciser kits, proceed to section 5. 1. Install timer mounting bracket GM64057 over the controller bracket as shown in Figure 3. Use the 1. Disable the generator set to prevent accidental...
  • Page 4 Figure 5 Mounting, Models KSS-J with 1. Bracket GM64055 Decision-Makerr MPAC 750 2. Timer GM64028 with screws X-49-2 (qty. 4) Figure 4 Mounting, 400 Amp Model RDT or 200 Amp and 400 Amp Service Entrance Rated Model RDT TT-1403 4/16...
  • Page 5 Replacement Kit for the Service marked locations. Entrance Rated 200 Amp Model RDT 2. Align and insert the mounting studs on the retrofit See Figure 6 and Figure 7. Use Service Kit GM64108 to...
  • Page 6 Note: Check that the supply voltage matches the voltage marked on the unit. Wiring to incorrect voltage will void the warranty. 1. Accessory Board 2. DIP - Switches 3. Timer 4. Contactor (200Amp Shown) GM64071 Figure 8 Wiring Diagram for RDT Models TT-1403 4/16...
  • Page 7 3.2 KSS-J Models with Decision-Makerr secondary transformer connections for the corresponding system voltage. See Figure 9 and MPAC 750 Controllers Figure 11. 1. Verify that power has been disconnected as Transformer Connections described in Section 2, Installation Procedure. Primary Secondary System Voltage 2.
  • Page 8 After connecting the wiring leads, the controllers must be set for loaded or unloaded exercise. Follow the service GM48913 (120VAC) specific instructions below for either the RDT or KSS-J GM48919 (240VAC) to replace failed exercise timers on model transfer switches. transfer switches equipped with S340 controls. The...
  • Page 9 MPAC 750 On KSS-J model transfer switches, use SiteTecht software to change the default setting (unloaded) for exercises that are run by the exercise timer. Kohler SiteTech is available to Kohler authorized distributors and dealers. For detailed information on using SiteTech software, see the SiteTech operation manual, TP-6701.
  • Page 10 6 Reconnect Power 7.1 Setting the timer The timer provides flexible timing for daily and/or weekly DANGER programming. The single-channel timer combines 24 hour/7 day timing. Each exercise period requires separate programming of the ON and OFF time. Up to 8 on/off operations are allowed for each day for a total of up to 56 switching Hazardous voltage.
  • Page 11 7.2 Programming the Exercise Cycles Note: After each ON cycle, be sure to program a corresponding OFF cycle for the same days of Use the procedures in the following sections to program the week. up to 8 on/off events for each day of the week. 7.2.3 Programming an OFF cycle After all exercise cycles have been programmed, slide the RUN switch to the RUN position.
  • Page 12 7.3 Operation Note: Setting the override to ON ( I) will signal the generator set to run continuously. 7.3.1 Autorun mode 7.3.3 To switch the override OFF 1. Set the time and day and desired switch cycles. Slide the mode switch to 0. The switch remains off 2.
  • Page 13 9 Exerciser GM39330 9.1 Installation Procedure, Exerciser GM39330 The older style programmable timer GM39330 shown in Figure 19 is no longer available. Instructions for the For installed kits (GM38798-KA1 and -KA2), start with GM39330 timer are provided in this section for the ATS Setup section and then proceed to the reference.
  • Page 14 ACCESSORY BOARD LOCATION TIMER GM39330 GM38798 Figure 22 Mounting (200 A SHOWN) DIP SWITCHES GM39331 Figure 23 Wiring Diagram TT-1403 4/16...
  • Page 15: Operating Instructions

    9.3 Operating Instructions, 9.1.2 Wiring Exerciser GM39330 Wiring must comply with the National Electrical Code and applicable local codes. DANGER Note: Check that the supply voltage matches the voltage marked on the unit. Wiring to incorrect voltage will void the warranty. 1.
  • Page 16 9.3.1 Key Description See Figure 19 for key locations and Figure 25 for descriptions of the keys. Description Setting the Time/Automatic Run Mode Prog. Figure 27 Time Display Prog. Program Mode Res.* Reset: Clears all programs and time Select ON or OFF in Prog. Mode, Manual Override in 9.3.4 Setting the Time Run Mode Note: If the h and m keys are held down longer than...
  • Page 17 Multiple on or off events may be programmed. For Programming Notes example, Program 1 may turn the generator set ON at If the days are flashing, it indicates the day of the 10:00 PM Mon.--Fri. Program 2 may turn the generator week was not set when setting the time.
  • Page 18 EXAMPLE 9.4.4 Changing A Program The following example demonstrates how to program Select the program to be changed with the Prog. key. A different on and off times. Typically, the generator set new set of days may be selected with the Day key just as should be exercised once a week.
  • Page 19: Troubleshooting

    9.5.2 Continuous Override PROBLEM: It is 10:00 AM and an ON program for 8:00 AM was entered, but the output is not ON. Display While in the Run Mode: shows the symbols. Pressing the key twice will turn the output to ON SOLUTION: After programming, the timer does not look permanently.
  • Page 20: Parts Lists

    SW104--1816--15205 Screw X-49-2 X-6210-1 Availability is subject to change without notice. Kohler Co. reserves the right to change the design or specifications without notice and without any obligation or liability whatsoever. Contact your local Kohlerr generator set distributor for availability.

This manual is also suitable for:

HdtKss-j

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