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Installation, Operation & Maintenance:

Field-Installed Electric Heater for 

RXT Series Units 

P/N: 2300100902

Table of Contents:

Section 1: Model Nomenclature

Model Nomenclature ..............................................................2

Section 2: Safety Labeling and Signal Words

Warnings, Cautions, and Notes ..............................................2

Section 3: Introduction

Introduction, Inspection, Definition, Unit Protection

 ............3

Section 4: Installation

Overview, Considerations, Installation Steps ...................4 - 6

Section 5: Electrical Data

AHTR Electric Heat Electrical Data .........................................6

Section 6: Wiring Diagrams 

AHTR101B / 10kW ......................................................................7

AHTR151B / 15kW ......................................................................8

AHTR201B / 20kW ......................................................................9

Section 7: Parts Lists 

AHTR101B / 10kW ....................................................................10

AHTR151B / 15kW ....................................................................11

AHTR201B / 20kW ....................................................................12

Guide Revision Table:

Date

By

Page

Note

August 2010

KT

All

First Published

P.O. Box 245

Syracuse, NY 13211

www.roth-america.com

888-266-7684

Summary of Contents for AHTR Series

Page 1: ...ntroduction Inspection Definition Unit Protection 3 Section 4 Installation Overview Considerations Installation Steps 4 6 Section 5 Electrical Data AHTR Electric Heat Electrical Data 6 Section 6 Wiring Diagrams AHTR101B 10kW 7 AHTR151B 15kW 8 AHTR201B 20kW 9 Section 7 Parts Lists AHTR101B 10kW 10 AHTR151B 15kW 11 AHTR201B 20kW 12 Guide Revision Table Date By Page Note August 2010 KT All First Publ...

Page 2: ...ry or product or property damage WARNING Indicates potentially hazardous situation which if not avoided COULD result in death or serious injury DANGER Indicates an immediate hazardous situation which if not avoided WILL result in death or serious injury Note Used to highlight suggestions which will result in enhanced installation reliability or operation Signal Words in Manuals The signal word WAR...

Page 3: ... specific electric heat accessories The installation instructions list the possible combinations and other important electrical data and limitations INSPECTION Upon receipt of any geothermal accessory carefully check the shipment against the packing slip and the freight company bill of lading Verify that all units and packages have been received Inspect the packaging of each package and each unit ...

Page 4: ...uirement DO ONE BREAKER AT A TIME to make sure wires are reconnected properly Loosen terminal screws on the wires Gently pull wires back from breaker Remove screws securing the breaker and rotate 180 degrees then reconnect the wires to breaker Proper torque for terminal screws is 35 inch pounds 4 Insert the heater into the cabinet opening as shown in Figure 1 so the heater support rod goes into th...

Page 5: ...a grounding lug on the circuit breaker panel On models with more than one circuit a separate copper ground wire MUST be connected for each circuit 8 Install top front door panel 9 Mark an X in the appropriate box for the heater on the unit rating plate TIME DELAY MODULE 10 The time delay module stages the heater elements for 15kW and 20kW heaters In most cases all of the DIP switches should be in ...

Page 6: ... 10 41 6 52 0 60 2 6 101 1 10 240 Mult 2 10 41 6 52 0 60 2 6 101 1 10 208 15 Mult 1 7 5 48 1 60 0 60 2 6 101 1 10 208 Mult 2 7 5 48 1 60 0 60 2 6 101 1 10 but the last switch the switch labeled 512 in the ON position With 9 switches in the ON position the time delay is 1 2 4 8 16 32 64 128 256 511 seconds about 8 5 minutes Other combinations of switches may be used depending upon the desired time ...

Page 7: ...AHTR Series Elec Heat IOM August 2010 7 AHTR Series Elec Heat IOM August 2010 Roth Section 6 Wiring Diagrams AHTR101B 10kW ...

Page 8: ...8 Roth AHTR Series Elec Heat IOM August 2010 Section 6 Wiring Diagrams AHTR151B 15kW ...

Page 9: ...AHTR Series Elec Heat IOM August 2010 9 AHTR Series Elec Heat IOM August 2010 Roth Section 6 Wiring Diagrams AHTR201B 20kW ...

Page 10: ...10 Roth AHTR Series Elec Heat IOM August 2010 Section 7 Parts List AHTR101B 10kW ...

Page 11: ...AHTR Series Elec Heat IOM August 2010 11 AHTR Series Elec Heat IOM August 2010 Roth Section 7 Parts List AHTR151B 15kW ...

Page 12: ...12 Roth AHTR Series Elec Heat IOM August 2010 Section 7 Parts List AHTR201B 20kW ...

Page 13: ...AHTR Series Elec Heat IOM August 2010 13 AHTR Series Elec Heat IOM August 2010 Roth ...

Page 14: ...RI certification is shown as the Roth brand under the Enertech Manufacturing certification reference number Roth Industries geothermal heat pumps are shown as a multiple listing of Enertech Manufacturing s ETL certification Roth geothermal heat pumps are listed as a brand under Enertech Manufacturing s Energy Star ratings ...

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