Montigo R320 Installation & Maintenance Manual page 17

Section 3-2-1: Installing Roof Mounted Power Vent (EPVRR)
and Rough-in Frame (EPVRRF)
Front View
14
2.0
18.0
Top View
6.3
17.8
XG0770 - 040513.2
Installation
19.3
8.46
5
18.0
10
14
Front View
17.8
Top View
R320 & R420 Power Vent Indoor Gas Fireplace
Step 1: Construct a chase box around the vent penetration with interior
dimensions of 14 1/2" x 14 1/2" x 18" minimum in height, see Figure 11.
14 1/2"
Figure 11. Chase box dimensions.
Step 2: Install the Vent pipe female end up 2" to 3" maximum from the
top of the chase box. Install the electrical harness (EPVH-10-100) that will
communicate with the Power Vent module, see Figure 11a.
Vent Chase
Figure 11a.
Step 3: Install the Power Vent Rough-in Kit (EPVRRF). Pull wire harness
through the supplied hole in the bottom corner of the rough-in box and snap
into the slot provided, see Figure 11b inset.
14 1/2"
Electrical Harness
with Connection
Vent Pipe
Page 17