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Heater Introduction
Thank you for choosing the UltraTemp ETi™ Hybrid
Heater. Proper installation and service of your new heating
system, and correct chemical maintenance of the water
will ensure years of heater operation. The UltraTemp
ETi heater is equipped with Pentair's advanced heater
technology which includes a heat pump and a pool heater,
with a multifunction temperature controller to continuously
monitor the hybrid heater for proper operation. These
heaters are designed with direct spark ignition (DSI) for
on demand heat, which eliminates the need for a standing
pilot.
The heater is certified as complying with the Standard
for Gas Fired Pool Heaters, ANSI Z21.56/CSA 4.7, and
with the Standard for Heating and Cooling Equipment, UL
1995/CSA C22.2 No. 236-15. This heater is intended for
use in heating fresh water swimming pools or spas.
Installation Requirements
Correct installation is required to assure safe operation.
The requirements for Pentair heaters include the following:
Dimensions for critical connections (see Figure 1,
•
page 2).
•
Field assembly (if required).
•
Appropriate site location and clearances (pages 2-4).
•
Proper electrical wiring (pages 14-16).
•
Adequate water flow (see General Specifications,
page iii).
This manual provides the information needed to meet
these requirements. Review all application and installation
procedures completely before continuing the installation.
General Installation Information
1. Installation and service must be performed by
a qualified installer or service agency, and must
conform to all national, state, and local codes.
2. Heaters get electrical power from an external
source and provide a dual electronic thermostat
control system for pool/spa combinations or preheat
convenience.
3. The heater is designed for the heating of chlorine,
bromine or salt system swimming pools and spas.
It should NOT be used as a space heating boiler, or
general purpose water heater.
4. The heater should be located in an area where
leakage of the heater or connections will not result in
damage to the area adjacent to the heater or to the
structure. When such locations cannot be avoided, it
is recommended that a suitable drain pan, adequately
drained, be installed under the heater. The pan must
not restrict air flow.
GENERAL INFORMATION
5. The heater is designed for outdoor operation
in non-freezing conditions only. If installed for
seasonal use in freezing climates, the heater
must be winterized to avoid freeze damage. See
Winterizing, page 34.
General Features
•
Dual digital thermostats offer precise temperature
control to maintain the desired separate water
temperatures in pool/spa combinations without
overheating or wasting energy.
•
Long-life corrosion resistant composite plastic
cabinet stands up to severe climates and pool
chemicals.
•
100% pure titanium heat pump and direct-fire
gas heat exchangers assure corrosion-free
performance for extra long life.
•
Self-diagnostic control panel monitors and
troubleshoots heater operations to ensure safe,
dependable operation.
•
Automatic Defrost feature senses refrigerant
temperature and prevents the heat pump
evaporator coil from freezing, allowing the heater to
operate at even lower temperatures.
•
Compatible with all automated control packages.
RS-485 communication compatible with
EasyTouch
®
Control Systems.
•
Thermostatic expansion valve (TXV) controls
refrigerant flow for optimum efficiency and BTU
output over a wider operating range.
•
Elevated base pan for positive drainage of
condensation.
•
2-inch plumbing connections for easy installation.
•
Separate isolated electrical compartment prevents
internal corrosion, extends heater life.
•
Adjustable timer allows the operator to set the
heater to run for a predetermined time. Incremental
by 10 minutes to a maximum of 99 hours.
•
An extensive list of operational conditions, alarms
and water temperatures are logged on the control
board. This information is available for the user to
track performance and troubleshoot issues.
•
Four unique operating modes: Heat Pump only,
Gas Heater only, Dual and Hybrid.
ULTRATEMP ETI™ Hybrid Heater Installation and User's Guide
1
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