Installation Guide Owner's manual

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PLACEMENT AND CLEARANCES

SET-UP

Minimum Clearance Requirements

A Back and Right Side = 3 inches from

combustibles

B Front = 36 inches

C Top = 6 inches from combustibles

D Bottom = 1 inch from combustibles

E Left Side = 36 inches

Quick Reference Installation Guide

BRICK LOADING

1. Place system in desired location.

2. Adjust leveling legs.

3. Remove painted front panel of brick

storage cabinet.

4. Position element wiring harnesses

to avoid damage during brick

5. Position brick core temperature

sensor(s) 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 top.

9. Remove heating elements from

inside brick core cavity.

 DO NOT extend leveling legs

more than one inch.

 DO use and follow generally

accepted safety practices when

handling insulation material.

 Equipment MUST be installed by

a qualified technician in accor-

dance with all applicable local,

state and national codes and

regulations.

 Reference Owners and Installers

Manual for complete safety,

installation, and operation

instructions.

Starting at the back of the brick core cavity,

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

debris from brick.

 Brick rows MUST line

up front to back

and side to side.

 Use half bricks in proper rows and in

correct positions. Back half of brick

MUST be installed in back rows. Front

half (notched brick piece) MUST be

installed in front rows.

If area available to install Comfort

Plus Hydronic system is less than 100

square feet, consult factory. If install-

ing in area with less than 400 square

feet, ventilation MUST be provided.

Temperature in area should be

maintained at or below 85

TOP VIEW

FRONT VIEW

Manufactured in North America

COMFORT PLUS

HYDRONIC

Models 5120, 5130, 5140

Notch in Brick

HALF BRICK

5120: Load in row 5

5130: Load in row 4 and 8

5140: Load in row 6 and 12

CACA

UTIONUTION

UTION

WARNINGWARNING

WARNING

Summary of content (8 pages)

PAGE 1
Manufactured in North America COMFORT PLUS HYDRONIC Models 5120, 5130, 5140 Quick Reference Installation Guide 1 2 PLACEMENT AND CLEARANCES A WARNING If area available to install Comfort Plus Hydronic system is less than 100 square feet, consult factory. If installing in area with less than 400 square feet, ventilation MUST be provided. Temperature in area should be maintained at or below 85oF.
PAGE 2
4 HEATING ELEMENT INSTALLATION 1. Insert heating elements between brick layers until element ends embed into side cutouts of brick cavity. Elements MUST be installed with threaded screw tabs on wire connection terminals pointing forward and down. 2. Remove painted panel from electrical compartment and locate the installation hardware package. 3. Connect wiring harnesses to heating elements using screws in hardware package. Install screws with heads up and thread pointing down.
PAGE 3
7 8 LINE VOLTAGE ELECTRICAL CONNECTIONS The Air Handler (Order #1302100) is an optional device used to interface the Comfort Plus Hydronic with a ducted heating or cooling system such as a heat pump or air conditioner. The Air Handler includes a plenum assembly, supply air blower, water coil, air filter, wiring harness, and hardware kit. When the Comfort Plus Hydronic system receives a heat call from the room thermostat, it energizes the supply blower and the Air Handler's zone pump.
PAGE 4
10 PLUMBING The Comfort Plus Hydronic heating system MUST be plumbed with a primary loop and secondary (zone) loops. The primary loop needs to consist of a minimum of 10' of 1" pipe and requires its own pump* (circulator). The secondary (zone) loops require additional pump(s) to operate effectively. WARNING FREEZE PROTECTION: Risk of property damage. Hydronic heating system freeze-ups WILL cause extensive damage to the entire heating system and/or property.
PAGE 5
TYPICAL SYSTEM PLUMBING (SHOWN WITH STEFFES AIR HANDLER) Secondary Loop Primary Loop Low Temp Radiant Zones From Other Zones White Orange Mixing Valve + - 5100 Air Handler To Other Zones White Black This Valve Must Be Open During Normal Operation CHECK VALVE White Red High Temp Water Primary Loop Pump Comfort + Hydronic Exchanger It is the responsibility of the installer to prevent involuntary flow of water to the air handler.
PAGE 6
LOW VOLTAGE OUTDOOR SENSOR CONNECTIONS If connecting to the Steffes power line carrier system, follow the installation instructions in the PLC systems Owners and Installers Guide. Outdoor sensor wire MUST NOT be combined with other control wiring in a multi-conductor cable. R2 P2 NO NC COM Aux. Relay P1 P8 Comfort Plus R LV Circuit Board P9 C P7 P6 D6 3. Seal external wall openings. Outdoor sensor lead can be extended to 250 ft.
PAGE 7
SINGLE STAGE HEAT PUMP APPLICATION Hydronic Heat Thermostat, Zone Valve, End Switch, or Pump Control Honeywell TH5220D To Heat Pump Y - Compressor C - Low Voltage Common R - Low Voltage Hot O - Reversing Valve Outdoor Sensor L E Aux G O/B C Y R Rc SINGLE STAGE HEAT PUMP Blower Speed RLY1 Fid 2 Y1 W P4 D2 R2 D1 P10 P3 P5 P2 NO NC RP P AP P1 P8 Comfort Plus R LV Circuit Board P6 Thermostat Thermostat Stage Output 1 Y1/G 2 Aux/Y1/G Fan Only G Cool Y1/G/O Hydronic Heat Control H/E Aux.
PAGE 8
15 SOFTWARE CONFIGURATION The Steffes Comfort Plus Hydronic system has a Configuration Menu, which allows it to be customized to the power company and consumers needs. This menu can be accessed on startup and allows configuration settings to be easily adjusted. If access to Configuration Menu times out, the 15 amp circuit breaker must be powered off and back on to re-enter the menu. Accessing the Configuration Menu Step 1 Energize the system.