background image

9

Figure 8A
Junction Box

Ground

Wire

Conduit
(Field Connection)

Black Wire 

Red Wire

Green

Ground

Wire

Red

Black

Approved Connectors

Figure  9
Wiring Diagram

Overload

Protection

To 240v

1 Phase

Power supply

Electrical

Service ground

L1

L2

Circuit

Breaker

Ground

Wire

Green

Connecting the Condensate Pump 
Overfl ow Shut Off Switch

Turn off power to the electrical wiring for the water 

1. 

heater at the circuit breaker/fuse box.

Locate the white 18 AWG wire loop behind the field 

2. 

wiring junction box. See Figure 8B.
Cut the loop and strip insulation off of the two ends.

3. 

Measure the distance from the field wiring junction box 

4. 

to the condensate pump, and cut two 18 AWG or larger 
wires to correct length and strip the insulation at both 
ends of each wire. See Figure 8B. 

Connect these two wires to the two wires on the water 

5. 

heater using wire nuts or other connectors.
Connect the free ends of the two wires to the shut off 

6. 

switch on the condensate pump in accordance with the 
manufacturers recommendations. 
Turn on electrical power to the water heater.

7. 

Press the power button to turn the water heater on 

8. 

and 

select the desired operational mode.  After about 8 
minutes, the heat pump will turn on.
Test the operation of the shut off switch by unplugging 

9. 

the condensate pump and filling the condensate 
reservoir with water until the float switch opens the 
circuit.
The heat pump should turn off and the error code 

10. 

“CONDENSATE DRAIN ALARM “will appear on the 
user interface screen.
Plug the condensate pump in and verify that the pump 

11. 

operates and pumps the water out of the condensate 
reservoir.
The error on the user interface should clear and the 

12. 

heat pump should operate after 8 minutes.

Insulation Blankets

The use of an insulation blanket on this water heater is not 
needed or recommended. The purpose of an insulation 
blanket is to reduce the standby heat loss encountered with 
storage tank heaters. Your water heater meets or exceeds 
the National Appliance Energy Conservation Act standards 
with respect to insulation and standby loss requirements, 
making an insulation blanket unnecessary.

Figure 8B
Condensate Pump Wiring 

Condensate Pump Wiring Loop

18 AWG - White

(Loop Located Behind Junction Box)

White Wires

From Water Heater

 Wires to Condensate 

Pump Overflow 

Shut Off Switch

(18 AWG or Larger)

Summary of Contents for Voltex Hybrid Electric PHPT-80

Page 1: ...Information 3 Consumer Responsibilities 3 Unpacking Instructions 3 4 Location Requirements 4 Water System Piping 5 6 Temperature Pressure Relief Valve 7 8 Electrical Requirements 8 9 Installation Che...

Page 2: ...extremely flammable To reduce the risk of injury under these conditions it is recommended that the hot water faucet be opened for several minutes at the kitchen sink before using any electrical appli...

Page 3: ...ipt as proof of purchase Basic Operation Fundamentals The Heat Pump Water Heater HPWH is an integrated heat pump water heater unit having an 850 watt compressor and external coil heat exchanger with b...

Page 4: ...ead all instructions before attempting to assemble and install this product After installation dispose of recycle all packaging materials Location Requirements Site location Select a location near the...

Page 5: ...own in Figure 4 If installing the water heater in a closed water system 5 install an expansion tank in the cold water line as specified under Closed System Thermal Expansion Install a shut off valve i...

Page 6: ...es Use appropriate primer and glue to cement the condensate drain lines to the heat pump drain pan NOTE The heat pump drain pan is ABS and the two condensate drain pipes should be PVC If a condensate...

Page 7: ...ve and the end of the discharge line Shall terminate a maximum of six inches above a floor drain or external to the building In cold climates it is recommended that the discharge pipe be terminated at...

Page 8: ...led with water and all air is purged from the tank before making any electrical connections See Draining and Flushing Section Turn off power to the electrical wiring for the water heater at 2 the circ...

Page 9: ...Press the power button to turn the water heater on 8 and select the desired operational mode After about 8 minutes the heat pump will turn on Test the operation of the shut off switch by unplugging 9...

Page 10: ...free of leaks Heater completely filled with water See Water Piping System section Closed system pressure buildup precautions installed See Closed System Thermal Expansion section Mixing valve when app...

Page 11: ...ing in the red reset button located on the ECO block If the ECO continues to shut off the water heater contact a qualified person for service Water Temperature Regulation Water temperature over 125 F...

Page 12: ...the User Interface are touch sensitive and require only a light touch to actuate EFFICIENCY Efficiency Mode Is the most energy efficient mode This mode uses the heat pump to heat water in the tank The...

Page 13: ...rd These noises are common and may result from the following Normal expansion and contraction of metal parts 1 during periods of heat up and cool down Sediment buildup on or around the elements could...

Page 14: ...ORTANT Do not turn on power to the water heater unless it is completely filled with water To ensure that the tank is full open a hot water faucet and allow the water to run until the air is purged and...

Page 15: ...ir Filter Remove and inspect clean if needed and reinstall Condensate drain pan and condensate lines The lower metal drain pan for standing water which may indicate a clogged condensate drain pan cond...

Page 16: ...OPEN OR AD ERROR 1 Upper Temperature Sensor is not functioning Contact a qualified person to service the unit 1 LOWER TEMP SENSOR SHORT OR OPEN OR AD ERROR 1 Lower Temperature Sensor is not functionin...

Page 17: ...is at the top Insulate exposed piping 5 Repair hot water leaks 6 Call qualified person for service 7 Drain and flush tank Water conditioning may 8 be necessary to minimize build up HIGH OPERATION COS...

Page 18: ...4 Drain Valve 15 Protective Plastic Cover 16 ECO Cover 17 Control Board 18 Relay 19 EPS Cover 20 Ambient Coil Discharge Temperature Sensor 21 Upper Lower Tank Temperature Sensor 22 Run Capacitor 23 Co...

Page 19: ...19 NOTES...

Page 20: ...20 Copyright 2010 A O Smith Corporation All rights reserved...

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