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42929-2-0721

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Empire Comfort Systems Inc. • Belleville, IL

INSTALLATION INSTRUCTIONS

HEAT MANAGEMENT SYSTEMS KIT

WARNING

If not installed, operated and maintained 

in accordance with the manufacturer’s 

instructions, this product could expose you 

to substances in fuel or from fuel combustion 

which can cause death or serious illness.

INSTALLER: 

Leave this manual with the appliance.

CONSUMER: 

Retain this manual for future reference.

WARNING

FIRE OR EXPLOSION HAZARD

Failure to follow safety warnings exactly 

could result in serious injury, death or 

property damage.

—  Do not store or use gasoline or other 

flammable vapors and liquids in the 

vicinity of this or any other appliance.

—  WHAT TO DO IF YOU SMELL GAS

•  Do not try to light any appliance.

•  Do not touch any electrical switch; 

do not use any phone in your building.

•  Leave the building immediately.

•  Immediately call your gas supplier 

from a neighbor’s phone. Follow 

the gas supplier’s instructions.

•  If you cannot reach your gas 

supplier, call the fire department.

—  Installation and service must be 

performed by a qualified installer, 

service agency or the gas supplier.

HMFA-1 FORCED AIR 

HEAT MANAGEMENT 

SYSTEMS KIT 

FOR USE WITH 

VENT-FREE 

FIREPLACE 

MODELS:

VFLB(36,48,60,72)FP(30,90)(N,P)

WITH HMFA(36,48,60,72)P AND HMFATV

GAS-FIRED

UL FILE NO. 

MH46389

Summary of Contents for VFLB36FP30N

Page 1: ...operty damage Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance Do not tou...

Page 2: ...HMFA When in operation the HMFA Forced Air Heat Management System will deliver a percentage of heated air from the fireplace to the exterior of the building Because a certain amount of air will be rem...

Page 3: ...p to the fireplace Placement of the HMFA blower system in relationship to the fireplace is indicated with minimum framed opening dimensions and vent length requirements as shown in Figures 1 and 2 ALL...

Page 4: ...t to control the HMFA should be made Refer to electrical connections on page 21 3 The framed opening for installation of the HMFA is 14 1 2 X 14 1 2 in all applications See Figures 3 and 4 CAUTION Due...

Page 5: ...enting connection to the blower 14 1 2 OFFSET FLANGE TO BE FLUSH WITH INSIDE WALL AND SECURED BACK EDGE OF BLOWER BASE BRACKET TO BE MOUNTED FLUSH TO THE INSIDE WALL VENT CONNECTION RIGHT SIDE Figure...

Page 6: ...the back edge of the side brackets with the back edge of the framed opening See Figures 4 and 9 Secure the Blower Base assembly with the 9 1 long drywall screws provided as shown in Figure 8 14 1 2 1...

Page 7: ...System to reduce the amount of heat produced during operation of the fireplace CONTENTS OF HMFA 36 48 60 72 P 1 Duct Inlet Assembly 1 ea 2 6 Dovetail Connector 1 ea 3 Gusset 4 ea 4 Top Framing Bracke...

Page 8: ...e 12 below Install the framing brackets according to the chosen finishing option 7 Move the top pair of side framing brackets from the fireplace to the sides of the Heat Transfer Kit as shown in Figur...

Page 9: ...ection and gloves to reduce the potential for injuries ALUMINUM TAPE ON SEAMS DUCT CONNECTOR JOINT DRILL 1 8 HOLES ON VFLB OUTER TOP AT THESE LOCATIONS IF HOLES ARE NOT ALREADY PRESENT Figure 11 Seali...

Page 10: ...72 P Heat Transfer Kit installed will use the same rough framing dimensions as are found in the VFLB Installation Manual However if the rough opening depth is less than 13 1 2 an opening must be incor...

Page 11: ...cut to work with the HMFA 36 48 60 72 P Heat Transfer Kit 11 Consult the wall finishing options in the VFLB installation manual and see Figures 14 and 15 below 12 Cut the non combustible board accord...

Page 12: ...42929 2 0721 Page 12 Empire Comfort Systems Inc Belleville IL Figure 15 Non Combustible Board Finishing Option 2 NOTE Proceed to page 20 if HMFATV Television Kit is not being used...

Page 13: ...t Switch 1 ea 10 Wire Harness Fan Control 1 ea 11 Junction Box 1 ea 12 Wire Bushing 5 8 2 ea 13 Clip Wire 2 ea 14 Romex Connector 3 8 1 ea 15 Zip Tie 4 ea WARNING HMFA Blower MUST be mounted on an ext...

Page 14: ...Figure 17 Connecting Limit Switch And Plate Assembly Figure 18 Limit Switch And Plate Assembly Hanging From Wire Harness NOTE When finishing interior wall leave the Limit Switch connected to the Wire...

Page 15: ...tch Wire Harness to the fireplace control system as shown in either Figure 19 or Figure 20 Neatly coil excess Limit Switch Wire length and secure with zip tie in left front corner of fireplace Figure...

Page 16: ...ew included Make sure that the face of the fan switch is fastened firmly against the surface of the Firebox Top For VFLB60 72 drill out the two holes shown in Figure 21 with a 3 16th drill bit Attach...

Page 17: ...Belleville IL ATTACH WIRE CLIP ATTACH WIRE CLIPS Figure 23 Wire Clip Location VFLB60 and VFLB72 Figure 22 Wire Clip Location VFLB36 and VFLB48 20 Attach either one VFLB36 48 or two VFLB60 72 wire cli...

Page 18: ...one end Attach the end of the Wire Harness with two female connectors to the Fan Switch and route the Wire Harness through the wire clips as shown in Figure 24 or 25 exiting through the hole in the ri...

Page 19: ...fort Systems Inc Belleville IL 22 Attach Junction Box to right side Access Plate and connect Fan Switch Wire Harness as shown in Figures 26 and 27 Figure 26 Attach Junction Box To Access Plate Figure...

Page 20: ...Flex Vent Kit See Figures 28 and 29 6 DIA 3 WAY Y CONNECTOR SELF DRILLING SCREWS 3 PLACES BAND CLAMP COLLAR FLANGE COLLAR PARTS FROM HMFA FORCED AIR KIT NOT USED FLEX VENT KIT SD6DFA25 NOT INCLUDED IN...

Page 21: ...tions Figure 30 27 The electrician is responsible for performing all wiring from the blower to the wall mounted rheostat or junction box on right side of fireplace The rheostat must be mounted in a st...

Page 22: ...igure 34 Figure 34 32 Install the cut end of the Air Duct over the Blower outlet See Figure 35 33 Check to see if the flanges of the Air Duct are flush with the bottom inside flange of the Outer Termi...

Page 23: ...lled around the outer edges of the termination This provides for J channel or other siding materials to be installed up to the termination face It is the installer s responsibility to caulk or seal ar...

Page 24: ...1 9 R10856 Spacer Vibration 4 10 42715 Base Blower 1 N S R13145 Wire Harness 2 Feet 1 N S R13221 Diverter Connector 6 X 6 X 6 Y Branch 1 N S R13222 Adapter 6 Inch Flex 1 N S R13223 Clamp 7 Inch Diame...

Page 25: ...42929 2 0721 Page 25 Empire Comfort Systems Inc Belleville IL Figure 39 HMFA 1 Exploded View 5 4 4 3 6 7 8 9 10 2 1...

Page 26: ...x Number Part Number Description Quantity 1 42783 Top Standoff 2 36 48 4 60 72 2 42788 Gusset 4 3 R13208 Connector 6 Dovetail 1 4 N A Duct Assembly 1 N S N A Drywall Screw No 8 X 1 8 N S N A Screw No...

Page 27: ...Nut 4 40 2 1 R1148 Zip Tie 4 2 R1569 Wire Clip 2 3 42862 Limit Switch Plate 1 4 R11243 Cover Plate Plain 1 5 R1536 Wire Bushing 5 8 2 6 R13268 Limit Switch 150 Degree 1 7 R6176 Switch Fan Control 1 8...

Page 28: ...ww empirecomfort com Empire Comfort Systems Inc Belleville IL If you have a general question about our products please e mail us at info empirecomfort com If you have a service or repair question plea...

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