Enviro C-10794 User Manual

Page of 45
Firebox Top
Flue Collar
Adapter
Undo four 1⁄4"
screws that
hold flue collar
elbow to unit.
Figure 34: Step 3 of Converting Top Vented into 
Rear Vented.
Figure 35: Step 4 of Converting Top 
Vented into Rear Vented.
I
NSTALLATION
 
OF
 R
EAR
 V
ENTED
 A
PPLIANCE
:
Siding
Exterior wall
Drywall
Vent pipe
Inside finished collar
Wall thimble
Minimum vent terminal 36"
(91.4cm) high snorkel kit.
Figure 36: Installation for Rear Vented; 
30,000 Btu/hr.
26
Initial Installation
QUALIFIED INSTALLERS ONLY
C
ONVERTING
 T
OP
 V
ENTED
 
INTO
 R
EAR
 V
ENTED
:
This unit has been shipped as a 30,000 Btu/hr top-vented freestanding unit. This unit can be converted 
to a rear vented unit with a 36” (915 mm) snorkel for some installation applications.To convert this unit 
to a rear vented model you must remove the flue pipe adapter and turn to the rear vent position. See 
sections I
NITIAL
 I
NSTALLATION
 - I
NSTALLATION
 
OF
 R
EAR
 V
ENTED
 A
PPLIANCE
.
1. Carefully remove the trivet and the stovetop. Place on a 
soft surface as not to damage the porcelain finishes.
2. Remove the four (4) 
1⁄4” screws that hold 
the flue collar elbow 
to the unit body (see 
Figure 34). 
3. Carefully remove the 
elbow  being  sure 
not  to  damage  the 
gasket  that  is  glued 
to  the  flue  collar 
elbow,  it  seals  the 
flue to the firebox.
4. Turn  the  elbow  to  the  rear  vent  position  and  re-fasten  with  the 
screws removed in step 2 (see Figure 35).
Place the unit into position.
Attach a small section of pipe on the unit and mark exterior wall 
where vent would pass through the wall.
Cut  a  10”  (25.4  cm)  minimum  hole  in  the  wall  to  maintain 
clearances to combustibles. Frame hole as shown in Figure 17.
Install a wall thimble.
Install interior finished collar.
Install the vent section through the wall.
THIS UNIT MUST BE VENTED WITH A 36” (91 cm) SNORKEL KIT 
IF UNIT IS RATED FOR 30,000 Btu/hr NG and 26,000 Btu/hr LP.
Seal  around  the  vent  terminal  to  the  structure  using  a  non 
hardening mastic.