Heat Siphon Z575HP - User Manual

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Copyright 2019 United States ThermoAmp Inc. ALL RIGHTS RESERVED

Publisher: United States ThermoAmp Inc.

1223 Heat Siphon Lane , Latrobe, Pa. 15650

724-537-3500

Owner’s Manual

with Installation & Troubleshooting Instructions

For Heat Siphon® Swimming Pool Heat Pumps

All Z & C Series Heat Siphon Models including

220Volt -1 Ph-60 Hz ONLY: C200HP, C250HP, C375HP, C575HP, Z250HP, Z375HP , Z575HP, Z700HP

220Volt -1 Ph-50 Hz ONLY: C200HP50, C250HP50, C375HP50, C575HP50, Z250HP50, Z375HP50 , Z575HP50

220Volt -3 Ph-50/60 Hz: C250HP3, C375HP3, C575HP3, Z250HP3, Z375HP3 , Z575HP3, Z700HP3

380/460 Volt - 3 Phase - 50/60 Hz - C200HPX, C250HPX, C375HPX, C575HPX, Z250HPX, Z375HPX, Z575HPX, Z700HPX

440 Volt - 3 Phase - 60Hz - C575HP4, Z575HP4, Z575HP4, Z700HP4

200,375,575 Series Heat Only Models 575HC and 700HP Series Models

Table of Contents

Questions and Answers

D
Douglas FreemanAug 9, 2025
What to do if my Heat Siphon Z575HP is leaking water?
- M
  Makayla AdamsAug 9, 2025
  First, determine if the leaking water is normal condensation. Condensation occurs as the unit cools off warm, humid air. To resolve this, turn off your Heat Siphon, keep your pool pump on, and wait until the basepan empties. If the basepan doesn't empty but the leaking stops, it's still condensation, but your drain is blocked. Unclog the barb drain fitting and/or replace the vinyl drain tubing. Test the leaking water for chlorine. If it tests negative, it's condensation. If the water has chlorine and the leak continues, contact your dealer.
V
vyatesAug 16, 2025
Why my Heat Siphon Heat Pump does nothing?
- A
  Alicia MolinaAug 17, 2025
  Several factors could cause this. The air temperature might be too cold; if it's below approximately 42°F, the unit will shut off automatically to prevent icing. Wait for the air temperature to reach 45°F to 48°F for the unit to automatically reset and turn on. Alternatively, a brief power interruption might have activated a time delay. Wait 5 minutes for the unit to restart. Also, check if the breaker is tripped, which could indicate a bad breaker, faulty wiring, loose wires, or a poor connection in the junction box. Have your installer check the wiring and breaker.
J
Joshua WalkerAug 25, 2025
What to do if my Heat Siphon Heat Pump tries to start then does nothing?
- D
  Diana BowenAug 26, 2025
  This issue can arise from a few causes. A brief power interruption might have activated the time delay. In that case, wait 5 minutes for the unit to restart. If the air temperature is below 45°F to 48°F and the pool water is cold, wait for both to reach 50°F for the unit to restart automatically and resume normal heating. Also, ensure the pool filter is clean and the pool water flow is stable; restore the correct water flow if needed.
J
Joshua MosesSep 1, 2025
How to troubleshoot a Heat Siphon Z575HP that runs but doesn't heat?
- J
  jasmine70Sep 1, 2025
  Several factors could be at play. Check if the air leaving the unit is colder than usual. Also, ensure the pool pump is running long enough each day; run it continuously for 24 hours to determine the required time. If it's still not heating, contact your dealer. Consider whether there's abnormally high heat loss, such as no cover on an extremely windy day. Cover the pool and run the pool pump for 24 hours. If it's still not heating, contact your dealer.

Summary

Heat Siphon Overview

How Heat Siphon Works

Installation Planning and Requirements

Use a Qualified Installer

Emphasizes the importance of using qualified installers for proper installation and warranty.

Plan Your Installation Details

Covers choosing the right size, location, and clearance for the unit.

Provide Full Flow and Proper Clearance

Pool Heating Considerations

Sizing Your Heat Siphon

Guides on selecting the appropriate Heat Siphon size for pool heating needs.

Owner Troubleshooting Guide

Troubleshooting Unit Issues

Provides steps for diagnosing common problems like no operation or no heating.

Installer Section: Shipment and Location

Receiving Shipment and Handling

Planning Installation Location

Guidelines for selecting the optimal physical location for the Heat Siphon unit.

Physical and Prohibited Locations

Details acceptable placement criteria and locations to avoid for proper operation.

Plumbing and Electrical Installation

Pool Piping Requirements

Electrical Power and Wiring

Code Requirements and GFCI Protection

Covers electrical code compliance, wire sizing, and GFCI breaker installation for safety.

Electrical Bonding and Disconnects

Initial Start-up and Adjustments

Analog and Digital Model Start-up

Water Pressure Switch Adjustment

Digital Player Controller Operation

Changing Temperature and Operating Modes

Error and Warning Codes

Lists and explains various error codes for troubleshooting the digital player.

Technical Appendices

Wiring Diagrams

Model Specifications

Spa and Hot Tub Heating Considerations

Water Temperature Safety Warnings

Highlights crucial safety precautions related to hot tub and spa water temperatures.

Thermostat Set Point Depression

Spa Temperature Sensor Calibration

Heat Siphon Z575HP Specifications

General

Model	Z575HP
Category	Heat Pump
Compressor Type	Scroll
Refrigerant	R-410A
Sound Level	68 dB

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