American Water Heater Co.HPE10280H045DV user manual

User manual for the device American Water Heater Co.HPE10280H045DV

Device: American Water Heater Co.HPE10280H045DV
Category: Water Heater
Manufacturer: American Water Heater
Size: 2.2 MB
Added : 4/3/2014
Number of pages: 48
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Summary of the content on the page No. 1

Service Handbook
RESIDENTIAL HYBRID ELECTRIC HEAT PUMP WATER HEATER
FOR MODELS:
HPE10260H045DV (60 GAL.)
HPE10280H045DV (80 GAL.)
INSTALLATION CONSIDERATIONS -
PREVENTIVE MAINTENANCE -
OPERATION & SERVICE - TROUBLESHOOTING
SERVICE SHOULD ONLY BE PERFORMED BY A QUALIFIED SERVICE TECHNICIAN
PRINTED IN THE U.S.A. 0511 321549-000

Summary of the content on the page No. 2

Table of Contents Introduction ............................................................................................................................................................ 3 Certifi cation and Approvals .................................................................................................................................... 3 Tools Required.....................................................................................................................................

Summary of the content on the page No. 3

Service Handbook Introduction: Your safety, and the safety of others, is extremely important in the servicing of this water heater. Many safety-related messages and instructions have been provided in this handbook and on your water heater to warn you and others of potential hazards. Read, understand and obey all safety messages and instructions that appear throughout this handbook and in the Installation Instructions and Use & Care Guide that shipped with the water heater. It is very impor

Summary of the content on the page No. 4

Terms, Defi nitions and Formulas First Hour Rating (FHR) is a volume of hot water delivered by a water heater during a 1-hour, Department Of Energy mandate test procedure. The FHR is given in gallons or liters. Energy Factor (EF) is an indicator of the combined thermal effi ciency and standby effi ciency of a water heater. The higher the Energy Factor, the more effi cient the water heater will be. Recovery rate is the amount of water, expressed in gallons per hour (GPH),heated to a given temperatu

Summary of the content on the page No. 5

Safety Precautions Explosion Hazard WARNING Excessive Weight Hazard Use two or more people to move and install water heater. Failure to do so can result in back or other injury. 5

Summary of the content on the page No. 6

Installation Checklist installed, see “Closed System/Thermal Expansion” Water Heater Location section (p.10). • Centrally located with the water piping system. • Mixing valve (when applicable) installed per • The fl ooring beneath the water heater must be able manufacturer’s instructions see “Water Piping to support the weight of the water heater when System” (p.9). fi lled with water (see Table 1). Condensate Drain Line Installation TABLE 1: Weight of water heater, full of water • Must be lo

Summary of the content on the page No. 7

Potential Installation Issues Symptom Cause Solution Temperature set to 60 ºF and not Vacation mode is on Turn off Vacation mode by pressing adjustable the Vacation button Electric mode selected but the Upon initial start up, the heat No action is necessary. heat pump is running pump will run until the tank If after heat pump operation has temperature reaches the set been verified and element heating point; this is done so that the is desired, lower the set point heat pump operation can

Summary of the content on the page No. 8

Dry Fire Element Protection cleared before the water heater will operate. In order to Dry Fire is a term used to describe a heating element clear the error, shut off power to the water heater, and that is on and not fully submerged in water. This will purge all air from the water heater tank. This is done result in permanent damage to the element. The by opening all hot water taps in the building. Run the dry fi re element protection algorithm is installed on water until there is no air c

Summary of the content on the page No. 9

Water Piping System 3. Some local codes may require, and the manufacturer of Piping, fi ttings, and valves should be installed according to this water heater recommends, installing a mixing valve the installation drawing (Figure 2). If the indoor installation or an anti-scald device in the domestic hot water line as area is subject to freezing temperatures, the water piping shown (Figure 2), or at the point of use. These valves must be properly insulated. reduce the point-of-use temperatu

Summary of the content on the page No. 10

Temperature and Pressure Relief Valve tubing so that any discharge from the valve exits only within 6 in. (152mm) above drain, or at any distance below, the structural fl oor, and does not contact any live electrical part. Explosion Hazard The discharge opening must not be blocked or reduced in size under any circumstance. IMPORTANT: Only a new temperature and pressure relief valve should be used with your water heater. Do not use an old or existing valve as it may be damaged or

Summary of the content on the page No. 11

General Service information • Volts times Amps = Watts • Element Cycling: • Watts divided by Volts = Amps Most two-element water heaters are non- simultaneous. In other words, only one element • Replacement Elements: operates at a time. Use replacement elements that are rated at the If the upper element fails, the customer will lose hot same wattage, voltage and shape indicated on water. (Power switches to the lower element only the heater model and rating plate. Installing an after t

Summary of the content on the page No. 12

Operational Overview Vacation mode should be used when hot water will Heat Pump Water Heater Operation: not be needed for a period of time greater than three Heat pump water heaters remove heat from (3) days. In vacation mode electric elements are used surrounding air and use that heat to heat water. to heat water and set point is a non-adjustable 60°F. By doing so, heat pump water heaters can operate Minimal electricity will be used and maintaining 60°F much more effi ciently and at

Summary of the content on the page No. 13

Operating Your Heat Pump Water Heater Vacation Mode - The set point changes to 60°F Turning the Unit On: which is the temperature that will be VACATION maintained. This mode is recommended for The power button is located at the bottom of the UIM, periods of three (3) days or more in which the below the display. There are two (2) conditions for the water heater will be idle. Vacation Mode power button indicated by color: RED-the unit is in minimizes energy consumption and minimizes STA

Summary of the content on the page No. 14

Control Board Overview Figure 5 B A D C Heat Pump Water Heater Control Board Overview: The Control Board on the Heat Pump Water Heater monitors the complete heating system and reports any errors through the User Interface Module (UIM). Based on the inputs from the sensors and/or the manual inputs from the UIM, the Control Board determines which heating mode the unit should be in to reach the user set-point. Above, the Control Board is broken down into four (4) sections. The specifi cs of eac

Summary of the content on the page No. 15

Section “A” of Control Board Figure 6 Section “A” CN201 FUS201 FUS202 CN202 CN206 CN207 CN 201 Line Power: • Pin 1 - Control board power wire L1 (240VAC) • Pin 2 - Control board power wire L2 (240VAC) • Pin 3 - Not used • Pin 4 - Control board power wire ground CN 202 ECO Bottom: • Pin 1 - Connect to lower heating element • Pin 2 - Connect to L1 behind ECO switch CN 206 Compressor: • Pin 1 - Compressor power L1 • Pin 2 - Unused • Pin 3 - Unused • Pin 4 - Compressor power L2 CN 207 Fan Low/hi

Summary of the content on the page No. 16

Section “B” of Control Board Figure 7 Section “B” Pin 1 Pin 2 Terminal 1 Terminal 2 RY 203 Upper Element Relay: • Terminal 1 - COM Connects to L1 behind the ECO Switch. • Terminal 2 - NO Connects to the upper heating element. CN 203 Powered Anode: • Pin 1 - Powered anode signal • Pin 2 - Ground 16

Summary of the content on the page No. 17

Section “C” of Control Board Section “C” Figure 8 CN 208 CN 211/215 Dip Switch CN 212 CN 204 CN 204 Upper and Lower tank water temperature sensors: • Pin 1 - Upper water temperature sensor on tank. • Pin 2 - Upper water temperature sensor on tank. • Pin 3 - Lower water temperature sensor on tank. • Pin 4 - Lower water temperature sensor on tank. CN 212 Temperature Sensors: • Pin 1 - Ambient temperature sensor. • Pin 2 - Ambient temperature sensor. • Pin 3 - Discharge temperature sensor. • Pin 4

Summary of the content on the page No. 18

Section “C” of Control Board (con’t) CN 211/215 UIM Communication Cable: • Pin 1 - +5 V • Pin 2 - +12 V • Pin 3 - Signal A+ • Pin 4 - Signal B+ • Pin 5 - Ground Note: Both CN211 and CN215 are identical and either can be used for the UIM communication. CN 208 Overload Detection: • Pin 1 - High pressure switch. • Pin 2 - High pressure switch. • Pin 3 - Low pressure switch. • Pin 4 - Low pressure switch. • Pin 5 - Not used • Pin 6 - Not used • Pin 7 - Not used • Pin 8 - Not used • Pin 9 - Condensat

Summary of the content on the page No. 19

BLACK RED BLACK BLACK USER INTERFACE GREEN BLACK RED HIGH PRESSURE SWITCH BLUE BLACK LOW PRESSURE SWITCH Wiring Diagram for Models With Relay COIL TEMP. SENSOR BLACK HEAT PUMP WATER Figure 10 DISCHARGE TEMP. SENSOR RED AMBIENT TEMP. SENSOR HEATER WIRING DIAGRAM BLACK TANK LOWER TEMP. SENSOR A-A B-B TANK UPPER TEMP. SENSOR RED C-C ANODE - POWERED D-D GREEN GREEN DISPLAY 1 1 CN215 1 2 1 5 4 1 CN203 CN204 6 CN211 ANODE-POWERED TANK CN212 1 5 HP TEMP. TEMP. RY 203 CN208 a N.O. b WHITE UPPER COM.

Summary of the content on the page No. 20

Wiring Diagram for Non-Relay Models Junction Box FIigure 11 Overload Circuit Protection Breaker Approved Connectors Red L1 Black L2 To 240v 1 Phase Green Power supply Ground Wire Electrical Service ground 20


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