UDAP Installation Manual
D300519 PN 195673 R30,Page 3
1.2.1 Certication
Models 30, 45, 60, 75, 100, and 125 are design certied by the Canadian Standards
Association for use in residential, industrial, and commercial installations. Utility heat-
ers certied for “residential use” are intended for heating of non-living spaces that are
attached to, or part of a structure that contains space for family living quarters. They are
not intended to be the primary source of heat in residential applications or to be used
in sleeping quarters.
Models 150, 175, 200, 225, 250, 300, 350, and 400 are design certied by the Canadian
Standards Association for use in industrial and commercial installations only.
All models and sizes are available for use with either natural or propane gas. The type
of gas, the gas input rate, and the electrical supply requirement are shown on the
heater rating plate. Check the rating plate to verify that the heater is appropriate for the
installation site.
1.2.2 Venting Manual
Installation requires both this manual AND the venting manual.
BOTH this manual
and the correct
venting manual
are REQUIRED for
installation of this
heater.
1.2 General
Installation
Information
Venting Instruction Manuals Look for Matching Label on
Venting Manual and Heater
for Indoor Power Vent Units:
Standard Power Vent Installation
(Each heater has its own
dedicated vent.)
Label with a RED SQUARE
for Indoor Fan Assist Units:
(Sizes 30, 45, 60, 75 & 100 only)
Common Vent Installation (with
Option AV6.)
Label with a BLUE TRIANGLE
for Combustion Air Inlet Units:
Separated Combustion (with eld
installed Option CC2, CC6, or
CC14 Vent/Combustion Air Kit)
Label with a GREEN CIRCLE
Both this installation manual and the appropriate venting manual are shipped
with the heater. Verify that the literature is correct for the heater being installed. If
either manual is missing or incorrect, contact your distributor before beginning
installation.
The instructions in this manual apply only to the models listed.
Installation should be done by a qualied agency in accordance with these instructions.
The qualied service agency installing this heater is responsible for the installation.
Venting Manual by
Model Type
WARNING
Do not use this appliance if any part has been under water.
Immediately call a qualied service technician to inspect the
appliance and replace any gas control that has been under
water.
CAUTION
Unit heaters should not be installed in an environment where
the ambient temperature is below
50°F. The low space tem-
perature may result in condensate forming in the heat ex-
changer.










