Specifications

ManualsBrandsRoth ManualsHeat PumpAHTR Series

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, Denition, 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 content (14 pages)

PAGE 1
P.O. Box 245 Syracuse, NY 13211 www.roth-america.com 888-266-7684 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.....
PAGE 2
Section 1: Model Nomenclature i ty ac AH TR 10 Family: AH = Field Installed Electric Heater o 1 s on i ev R 8: i g ta e C V & 6: 7: 5 & 4 l ap e p :T y & 2 3 1 :F a l iy m B Revision: B = Current Revision Type: TR = Field Installed Used on RXT Series Models Voltage: 1 = 208/230V, 60Hz, 1 Phase Capacity: 10kW 15kW 20kW Rev.
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Section 3: Introduction INTRODUCTION Note: Notify Roth’s shipping department of all damages within 15 days. It is the responsibility of the purchaser to file all necessary claims with the freight company. The AHTR electric heater is designed specifically for the RXT Series Geothermal Heat Pump Unit. Engineering and quality control is built into every electric heater assembly. Good performance depends on proper application and correct installation.
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Section 4: Installation INSTALLATION 1. Shut OFF electrical power at unit disconnect switch or service panel. This instruction covers the physical installation of the AHTR Series electric heat kits when installed with the RXT Series Geothermal Heat Pump Unit. 2. Remove the upper front panel from unit and locate filler plate. Remove the (4) sheet metal screws from plate. (See Figure 1) The electric heat accessories are used for applications of heat pump with electric heat.
PAGE 5
Section 4: Installation LOW VOLTAGE WIRING ⚠ WARNING ⚠ 6. Connect the 6-Pin heater wiring harness to the receptacle located inside the cabinet (Top Cover). A perfect match and positive connection must be made between the plug and receptacle. The plug will interlock with receptacle when properly seated. Harness contains 24 Volts wiring. ELECTRICAL SHOCK HAZARD The unit cabinet must have an uninterrupted or unbroken ground to minimize personal injury if an electrical fault should occur.
PAGE 6
Section 4: Installation 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 delay. AIR FLOW 11. Airflow requirements are different between models. Please refer to the unit Installation Instructions for airflow set-up information. TEMPERATURE RISE CHECK 12.
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Section 6: Wiring Diagrams - AHTR101B / 10kW AHTR Series Elec Heat IOM, August 2010 7 Roth
PAGE 8
Section 6: Wiring Diagrams - AHTR151B / 15kW Roth 8 AHTR Series Elec Heat IOM, August 2010
PAGE 9
Section 6: Wiring Diagrams - AHTR201B / 20kW AHTR Series Elec Heat IOM, August 2010 9 Roth
PAGE 10
Section 7: Parts List - AHTR101B / 10kW Roth 10 AHTR Series Elec Heat IOM, August 2010
PAGE 11
Section 7: Parts List - AHTR151B / 15kW AHTR Series Elec Heat IOM, August 2010 11 Roth
PAGE 12
Section 7: Parts List - AHTR201B / 20kW Roth 12 AHTR Series Elec Heat IOM, August 2010
PAGE 13
AHTR Series Elec Heat IOM, August 2010 13 Roth
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P.O. Box 245 Syracuse, NY 13211 888-266-7684 US 800-969-7684 CAN 866-462-2914 FAX www.roth-america.com info@roth-usa.