HeatWater.com | WaterService@nyle.com | (800) 777-6953 IM-e360-122023
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IM-e360-122023 HeatWater.com | WaterService@nyle.com | (800) 777-6953
Before Ordering Your Heat Pump
Nyle Water Heating Systems recommends following
this pre-order checklist, to minimize the chances of
costly mistakes and potentially lengthy project delays:
F Be sure to thoroughly review this manual and fa-
miliarize yourself with the equipment’s installation
requirements. The manual has been organized to
follow the general sequence of most installations.
If any details are not clear or questions are
not answered contact your Nyle representa-
tive to resolve them ahead of time.
F Review performance specications against your
intended installed environment and water tem-
perature requirements, and ensure the unit will
perform appropriately for your conditions.
F Review physical specications to ensure the
unit will have adequate installation space, support,
clearances, drainage support, and airow. Famil-
iarize yourself with piping, condensate, wiring, and
ducting connections to ensure all attached infra-
structure will be able to access the unit. Remem-
ber additional installation height may be needed
for condensate drain pitch requirements.
F Evaluate the need for backup heat produc-
tion, especially in cold climates. e-Series
units turn off the compressor at 10 degree F out-
door temperature, and capacity is lower in cold
weather.
F Freeze protection measures require separate
120V power to operate, or the installation of an
optional unied power package accessory. En-
sure 120V power feed to the unit has a back-
up generator for any installation where the
unit will be exposed to freezing temperatures
during power outages.
F Be clear on your plan to deliver, transport, mount,
and secure the unit.
F Double check the voltage requirements of the
unit you intend to order, to make sure it is com-
patible with the available voltage on site.
F Air to Water heat pumps are multidisciplinary in-
stallations that may require any or all of the fol-
lowing trade specialties to support: site prep/
structural, electrical, plumbing, ducting, au-
tomation/controls, refrigeration, and duct/pip-
ing insulation. Be sure that various specialties
involved in your project are well informed as to
their role in the installation and are properly cer-
tied and qualied in their specialties in accor-
dance with all governing codes and regulations.
F Be sure that qualied refrigeration technicians
are available for installation troubleshooting
support and ongoing system maintenance. If
this is in question, contact your local Nyle repre-
sentative to discuss support options.
Cold Climate Installation Considerations
e-Series heat pumps are intended to operate in cold
climates. However, freeze protection is an important
part of the installation and design planning for these
installations. One option is to install the unit in freeze
protected spaces and duct them to the outside. Refer
to “Optional Ducting and Ventilation” on page 28 for
details. For exterior installations, additional measures
are required.
CAUTION
Cold climate outdoor installations require close atten-
tion to the following considerations. Failure to address
freezing issues can result in equipment failure and/or
severe water damage to the property.
The heat pump has two steps of internal freeze pro-
tection for outdoor applications:
1. First are the onboard, active heating measures: all
internal water side components are insulated and
heat traced, which activate only when water tem-
peratures in the unit get too close to freezing. The
condensate pan has water sensing and pan heat-
ing, which activates when water is present in the
pan during freezing conditions.
2. In the event that active heating fails to keep water
temperatures above freezing, the heat pump will
run its circulator to draw heat from the attached
storage tank as an emergency measure. It is im-
perative that attached piping does not prevent this
uid exchange with the storage tanks. Attached
valves and components must allow free ow be-
tween the heat pump and storage tank at all times:
solenoid valves and other automatic shutoffs are
not recommended.
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