Steffes 3120 Simplified Installation Guide User Manual
Comfort plus model 3120, 12 3 quick reference installation guide, With ecm variable speed blower system

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Quick Reference Installation Guide
PLACEMENT AND CLEARANCES
SET-UP
BRICK LOADING
Manufactured in North America
The area in which the
Comfort Plus is installed
must remain free of debris
and room air should be
maintained at less than
85
o
F.
1. Remove heating elements from base
of system.
2. Place system in desired location.
3. Adjust leveling legs to prevent
rocking.
4. Remove painted front panel of brick
storage cabinet.
5. Position element wiring harnesses to
avoid damage during brick loading.
6. Remove galvanized front panel.
7. Starting at bottom, lift and drape
insulation blankets over top of
system.
8. Remove front air channel by pulling
out at bottom.
9. Remove the electrical panel cover
and locate element screw kit and
outdoor sensor.
DO remove the Comfort Plus
system from its shipping pallet
before installing.
DO NOT extend leveling legs more
than one inch.
DO use and follow generally
accepted safety practices when
handling insulation material.
DO have equipment installed by a
qualified technician in compli-
ance with all applicable local,
state and national codes and
regulations.
Reference Owners and Installers
Manual for complete safety,
installation, and operation
instructions.
Starting at the back of the brick
core, load bricks one row at a time
using left side, right side, center
pattern. Place bricks with grooved
side facing up, notch facing forward,
and ridges on left and right.
Remove loose brick
debris from brick.
Brick rows MUST line
up front to back
and side to side.
WARNING
WARNING
WARNING
WARNING
WARNING
B
Top View
A
G
F
60
60
15
E
STEFFES
M
A
M
M
P
Front View
D
C
ABack = zero clearance
B Front = 36 inches (for servicing)
C Right Side = 8 inches (from combustible
material)
D Top = 8 inches (from combustible material)
E Left Side = 4 inches
F Outer Sides of Return and Supply Ducts =
zero clearance
G Bottom = zero clearance
WARNING
WARNING
WARNING
WARNING
WARNING
NOTCH IN BRICK
FR
ON
T
OF
U
NI
T
with ECM Variable Speed
Blower System
COMFORT PLUS
Model 3120