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Harman®  •  PF-120 Installation Manual_R1  •  2014 -___  •  03/14

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3-90-08121i

Product Specific and Important Safety Information 

A. Appliance Certification

E. BTU & Efficiency Specifications

NOTE: 

This installation must conform with local codes. 

In the absence of local codes you must comply with the 

UL 391-2010, ASTM E 1509-04, and CSA-B366.1-11

 & 

(UM) 84-HUD 

The  PF-120  Pellet  Furnace  by  Harman®  is  exempt  from 

Environmental  Protection  Agency  certification  under  40 

CFR  60.531  by  definition  [Wood  Heater  (A)  “Air  to  Fuel 

Ratio”].

Note:

 

This appliance is also approved for installation 

into a shop.

B. Glass Specifications

This  appliance  is  equipped  with  5mm  ceramic  glass. 

Replace glass only with 5mm ceramic glass. Please contact 
your dealer for replacement glass.

C. Electrical Rating

120  VAC,  60  Hz,  Start  9.2  Max Amps,  7.5 Amps  normal 

operation.

NOTE: Some generator or battery back-up systems may 

not be compatible with the micro-processor electronics 

on  this  appliance.  Please  consult  the  power  supply 

manufacturer for compatible systems.

D. Mobile Home Approved (US Only)

This  appliance  is  approved  for  mobile  home  installations 

when not installed in a sleeping room and when an outside 

combustion air inlet is provided. 
The structural integrity of the mobile home floor, ceiling, and 

walls must be maintained. The appliance must be properly 

grounded to the frame of the mobile home and use only listed 

pellet vent, Class “PL” connector pipe. 
A  Harman®  Outside Air  Kit  must  be  installed  in  a  mobile 

home installation.

MODEL:

Pellet Furnace - PF-120

LABORATORY:

OMNI Test Laboratories, Inc

REPORT NO.

135-S-02b-2

TYPE:

Pellet Fueled Central/Supplementary

STANDARD(s):

UL 391-2010, ASTM E 1509-04, and 

CSA-B366.1-11

Particulate 

Emissions Rating:

N/A

*BTU Output:

8,000 - 120,000 / hr

Heating Capacity:

N/A

Hopper Capacity:

160 lbs

Fuel:

Wood Pellets

Shipping weight:

580 lbs

NOTE: 

Hearth  &  Home Technologies,  manufacturer  of 

this appliance, reserves the right to alter its products, their 

specifications and/or price without notice.

*BTU output will vary, depending on the brand of fuel you 

use in your appliance. Consult your dealer for best results.

WARNING! Risk of Fire! 

Hearth  &  Home  Technologies 

disclaims any responsibility for, and the warranty and agency 

listing will be voided by the below actions.

DO NOT:

•  Install or operate damaged appliance
•  Modify appliance
•  Install  other  than  as  instructed  by  Hearth  &  Home 

Technologies

•  Operate  the  appliance  without  fully  assembling  all 

components

•  Overfire
•  Install any component not approved by Hearth & Home 

Technologies

•  Install parts or components not Listed or approved.
•  Disable safety switches
Improper  installation,  adjustment,  alteration,  service  or 

maintenance can cause injury or property damage. 
For assistance or additional information, consult a qualified 

installer, service agency or your dealer.

Harman®  is  a  registered  trademark  of  Hearth  &  Home 

Technologies.

Summary of Contents for PF-120

Page 1: ...allation Installation MUST comply with local regional state and national codes and regulations Contact local building or fire officials about restrictions and installation inspection requirements in y...

Page 2: ...s Specifications 4 C Electrical Rating 4 D Mobile Home Approvals 4 E BTU Efficiency Specifications 4 2 Getting Started A Tools and Supplies Needed 5 B Inspect Appliance and Components 5 3 Clearances A...

Page 3: ..._________ Electrical Section 1 Pg 4 120VAC unswitched power provided to the appliance ________________________________ Finishing Sections 3 4 Pg 8 14 Combustible materials not installed in non combust...

Page 4: ...to the frame of the mobile home and use only listed pellet vent Class PL connector pipe A Harman Outside Air Kit must be installed in a mobile home installation MODEL Pellet Furnace PF 120 LABORATORY...

Page 5: ...g the installation to ensure maximum safety and benefit WARNING Risk of Fire or Explosion Damaged parts could impair safe operation DO NOT install damaged incomplete or substitute components Keep appl...

Page 6: ...iagram Dimensions are actual appliance dimensions Use for reference only 14 18 25 966 62 474 15 883 9 743 37 961 18 11 00 65 525 20 065 25 254 16 802 3 215 44 478 WITHOUT BLOWER BOX INSTALLED 27 238 2...

Page 7: ...sh pan door The 18 clearance from the hopper end is a manufacturer s recommendation for adding pellets and or servicing the feeder mechanism The minimum clearance to the top of the plenum is 4 Fig 3 3...

Page 8: ...The United States J Floor Protection Requirements US Sides 8 K Front 18 C Floor Protection The shaded area indicates the required floor protection area The furnace requires 48 x 52 of floor protectio...

Page 9: ...onfiguration Graph under Section B Locating Your Appliance Chimney Each Vertical 90 or T subtract 2 5 feet Each Vertical 45 subtract 1 5 feet Each Horizontal 90 or T subtract 5 0 feet Each Horizontal...

Page 10: ...intain specified clearances to windows doors and air inlets including air conditioners Vents should not be placed below ventilated soffits Avoid venting into alcove locations Vents should not terminat...

Page 11: ...fsets Consider the appliance location relative to floor and ceiling and attic joists DO NOT CONNECT THIS UNIT TOACHIMNEY FLUE SERVICING ANOTHER APPLIANCE May allow flue gases to enter the house CAUTIO...

Page 12: ...regulator assembly when measured from the horizontal center line of the regulator I The clearance to service regulator vent outlet must be a minimum of 6 feet J The clearance to a non mechanical air s...

Page 13: ...ombine with expelled moisture to form creosote The creosote vapors condense in the relatively cool chimney flue of a slow burning fire As a result creosote residue accumulates on the flue lining When...

Page 14: ...nd chimney To measure the draft or negative pressure on your appliance use a magnahelic or a digital pressure gauge capable of reading 0 1 inches of water column W C The appliance should be running on...

Page 15: ...NOT install damaged components Do NOT install incomplete components Do NOT install substitute components Report damaged parts to dealer WARNING WARNING Do not relocate or bypass any of the safety cont...

Page 16: ...y the demands of the pellet appliance but consideration must be given to the total house demand House demand may consume some air needed for the stove especially during a power failure It may be neces...

Page 17: ...is access to the combustion blower and flue area 1 Place the bottom on the floor The edge closest to the knockouts will be the edge towards the furnace See Figure 5 1 2 Place the desired vertical pan...

Page 18: ...bottom middle hole under the filter opening NOTE Do not put any screws into any of the top holes at this time Filter Frame Panel Filter opening must be up 4 Place the remaining panel in this case the...

Page 19: ...sure that the setscrew on the flex connector is not pointing toward the furnace end of the box when the locknut is fully tightened The filter box is now ready to install onto the furnace Note The blo...

Page 20: ...Y DUCT WORK OR IN FREE AIR WILL CAUSE MOTOR OVERLOAD AND PREMATURE FAILURE 3 Mount the filter box on the furnace with 6 10 x 3 4 Tek screws 3 on each side Figure 5 10 Visually locate these holes so yo...

Page 21: ...Orange Blue White Orange White Blue This section is not used on this unit CAUTION With this small gauge of wire care must be taken not to over tighten the terminal screws thus breaking the wire There...

Page 22: ...dampers 2 should be installed in the ductwork 1 in the warm air supply duct for the existing furnace and 1 in the warm air supply duct of the pellet furnace after or downstream of the high limit fan c...

Page 23: ...ct system can be installed to fit the customers needs Velocity 500fpm 700fpm 900fpm Static In W C 3 Minimum to 6 Maximum 1638 cfm 470 in 360 in 290 in These duct sizes are only recommendations The Ret...

Page 24: ...blower size is 75 to 1 CFM for each square foot of conditioned space standard 8 ceiling height This furnace can be fitted with an air conditioning coil mounted in the supply air plenum HHT is not resp...

Page 25: ...t the WHITE and SKY BLUE wires to the LIMIT switch It doesn t matter which wire is on which screw Figure 5 17 8 Make sure that all of the wires are out of the way when closing the cover Excess twistin...

Page 26: ...ply 120 VAC 60Hz power stable enough to operate the control board properly Control board damage could occur Checking Recording the Low Draft After the venting is completed the firebox low draft will n...

Page 27: ...shall comply with CSA B139 The installation of a gas furnace shall comply with the applicable requirements of CSA B365 and if changes are made to the installation of the gas furnace including clearanc...

Page 28: ...WHITE GREEN N L BROWN DRK BLUE VIOLET BROWN BLACK RED BROWN G R E E N WHITE WHITE GREEN WHITE BROWN SKY BLUE WHITE RED BROWN WHITE BLACK SKY BLUE YELLOW HIGH VOLTAGE YELLOW VIOLET SKY BLUE WHITE 3 8...

Page 29: ...Harman PF 120 Installation Manual_R1 2014 ___ 03 14 29 3 90 08121i...

Page 30: ...n U S A Copyright 2012 Harman a brand of Hearth Home Technologies Inc 352 Mountain House Road Halifax PA 17032 www harmanstove com Please contact your Harman dealer with any questions or concerns For...

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