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5

Duct pieces

Total

Equivalent number
length x used     =

3-1/ 4” x 10”
Rect.,
straight

1 Ft.           x (     ) =

Ft.

8” Round,
straight

1 Ft.           x (     ) =

Ft.

3-1/ 4” x 10”
Rect.90

0

elbow

15 Ft.         x (     ) =

Ft.

3-1/ 4” x 10”
Rect.45

0

elbow

9 Ft.           x (     ) =

Ft.

3-1/ 4” x 10”
Rect.90

0

flat elbow

24 Ft.         x (     ) =

Ft.

3-1/ 4” x 10”
Rect.
wall cap
with damper

30 Ft.         x (     ) =

Ft.

3-1/ 4” x 10”
Rect.to
6” round
transition

5 Ft.           x (     ) =

Ft.

3-1/ 4” x 10”
Rect.to
6” round
transition
90

0

elbow

20 Ft.         x (     ) =

Ft.

6” Round,
90

0

elbow

15 Ft.         x (     ) =

Ft.

6” Round,
45

0

elbow

9 Ft.           x (     ) =

Ft.

Ft.

7” Round,
straight

1 Ft.           x (     ) =

Ft.

Subtotal column 1 =

Duct pieces

Total

Equivalent number
length x used     =

6”- 8” Round
wall cap
with damper

30 Ft.         x (     ) =

Ft.

Round

wall cap
with damper

30 Ft.         x (     ) =

Ft.

7” or 8” 

Round,

90

0

elbow

15 Ft.         x (     ) =

Ft.

7” or 8” 

7” or 8” 

Round,

45

0

elbow

9 Ft.           x (     ) =

Ft.

Ft.

Ft.

Ft.

6”- 8” Round,
roof cap

30 Ft.         x (     ) =

Ft.

7” or 8”

Round,

roof cap

30 Ft.         x (     ) =

Ft.

Subtotal column 2 =

Subtotal column 1 =

Total ductwork      =

Maximum Duct Length:

For satisfactory air movement,

the total duct length of a 3 1/ 4” x 10” rectangular  6” or 7”
diameter round duct should not exceed 100 equivalent feet.

6” round to
3-1/ 4” x 10”
rect.
transition

1 Ft.           x (     ) =

Ft.

6” round to
3-1/ 4” x 10”
rect.
transition
90

0

elbow

16 Ft.         x (     ) =

Ft.

7” round to
3 1/ 4” x 10”
rect.
transition

8 Ft.           x (     ) =

Ft.

7” round to
3-1/ 4” x 10”
rect.
transition
90

0

elbow

23 Ft.         x (     ) =

Ft.

Installation – 

Ducting Calculation Sheet

Summary of Contents for Roma Island ZRM-E36AS

Page 1: ...Use Care and Installation Guide www zephyronline com Model number Serial Number SEP07 0101 Zephyr Corporation Roma Island ZRM E36AS ZRM E42AS...

Page 2: ...www zephyronline com...

Page 3: ...ng Height Clearance 6 Ducting Options 7 RRG 6SHFL FDWLRQV 8 Mounting the Range Hood 9 Mounting the Hood and Duct Cover 10 Ductless Recirculation 11 CONTROLS 12 MAINTENANCE Cleaning and Installing Filt...

Page 4: ...EDUCE THE RISK OF INJURY TO PERSONS IN THE EVENT OF A RANGE TOP FIRE OBSERVE THE FOLLOWING D 6027 5 0 6 ZLWK D FORVH WWLQJ OLG FRRNLH VKHHW RU PHWDO WUD WKHQ WXUQ RII WKH EXUQHU 5 8 72 35 9 17 8516 I...

Page 5: ...To assure that the electrical installation is adequate and in conformance with National Electrical Code ANSI NFPA 70 latest edition or CSA standards C22 1 94 Canadian Electrical Code Part 1 and C22 2...

Page 6: ...im Pieces 2 Thick Trim Pieces 1 Hood 4 Halogen Light Bulbs pre installed 2 Metal Filters 3 ZRM E42AS 3 Wire Nuts 4 14 OD 6 5 ID Washers 4 M5 Wing Nuts 4 M6 50 Wood Screws 10 M4 8 Philips Head Screws 1...

Page 7: ...ent number length x used 6 8 Round wall cap with damper 30 Ft x Ft Round wall cap with damper 30 Ft x Ft 7 or 8 Round 900 elbow 15 Ft x Ft 7 or 8 7 or 8 Round 450 elbow 9 Ft x Ft Ft Ft Ft 6 8 Round ro...

Page 8: ...ht above range Always check your local codes for any differences Mounting Height Recirculating Minimum Ceiling Height 8 Hood mounted 28 DERYH FRRNLQJ VXUIDFH IURP RRU Maximum Ceiling Height 9 3 Hood m...

Page 9: ...ted to the outside unless using the recirculating option Use single wall rigid Metal ductwork only DVWHQ DOO FRQQHFWLRQV ZLWK VKHHW PHWDO VFUHZV DQG WDSH DOO MRLQWV Z FHUWL HG 6LOYHU 7DSH RU XFW 7DSH...

Page 10: ...8 10 3 4 7 7 8 10 1 8 12 3 8 8 3 4 FRONT 36 or 42 27 12 14 4 Top Support Frame ceiling bracket Top of Hood blower housing Side of Hood Front of Hood C L 4 1 2 3 1 5 8 electrical K O 1 1 8 1 4 5 7 8 1...

Page 11: ...o place 5 Secure hood to bottom support frame by fastening 4 wing nuts over the 4 threaded corner posts on top of hood body 6 Install damper duct work and electrical If using hood in recirculating mod...

Page 12: ...holes 8 Secure top duct covers to top of support frame using 2 M4 7 screws 9 Assemble bottom duct covers over top duct covers and support frame Use 6 M3 2 5 screws 3 on each side WR VHFXUH GXFW FRYHUV...

Page 13: ...nded to capture UHVLGXH IURP FRRNLQJ DQG WKH RSWLRQDO FKDUFRDO OWHUV KHOS WR SXULI IXPHV H KDXVWHG IURP FRRNLQJ IRU UH circulation RECIRCULATING KIT REQUIRED IF NO DUCTING IS USED LW LQFOXGHV FKDUFRDO...

Page 14: ...f Lights On Off Blower On Speed Selection Blower Off Blower On Speed Selection Lights On Off The blower will be switched off by pressing Switch blower on and select speeds 1 3 by pressing Switch light...

Page 15: ...V LQVWDOOHG E WKH IDFWRU DUH LQWHQGHG WR OWHU RXW UHVLGXH DQG JUHDVH IURP FRRNLQJ 7KH QHHG not be replaced on a regular basis but are required to be kept clean Filters should be cleaned after every 30...

Page 16: ...hot 5HPRYH E WXUQLQJ EXOE FRXQWHU FORFNZLVH 1RWH XOE GRHV QRW XQVFUHZ LW WXUQV GHJUHHV stops and falls out I EXOEV DUH GLI FXOW WR WXUQ GXH WR SURORQJHG XVH UPO DWWDFK D JODVV VXFWLRQ FXS DSSUR LPDWHO...

Page 17: ...t The unit is vibrating 1 The motor is not secure in place 1 Tighten the motor in place 2 Damaged blower wheel 2 Replace the blower 3 The hood is not secured in place 3 Check the installation of the h...

Page 18: ...HU HDFK Optional Accessories Recirculating Kit ZRM E36AS ZRC 0150 Recirculating Kit ZRM E42AS ZRC 0151 5HSODFHPHQW KDUFRDO LOWHU HDFK Duct Cover Extension Kit Z1C 00RM To order parts visit us online a...

Page 19: ...you are also responsible for all labor costs associated with this warranty Limitations of Warranty OUR OBLIGATION TO REPAIR OR REPLACE AT OUR OPTION SHALL BE YOUR SOLE AND EXCLUSIVE REMEDY UNDER THIS...

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