Sterling QVSB User Manual
Page 25
25
Figure 21 - Power Venter Assembly
NOTES:
*1) For item No. 6, use counter-clockwise rotation.
2) DO NOT OVERTIGHTEN CELCON NUT! HAND TIGHTEN ONLY! DO NOT USE TOOLS!
Approximate 1/3 turn maximum or 8 inch pounds is suffi cient from the point where the tube does not slip in or out.
3) Flue Sizes:
100/175 units: 4" dia. fl ue outlet Reducer required – To be supplied by installer.
200/250 units: 5" dia. fl ue outlet (no adapter required).
300/400 units: 6" dia. fl ue outlet Increaser required – To be supplied by manufacturer.
REF.
NO. DESCRIPTION
1
Blower Housing Assembly
2
Speed Nut
3
Motor
4
Washer, Plain
5
Plate Adapter
6
Blower Wheel*
7
Mounting Bracket (Pressure Switch)
8
Mounting Bracket (Junction Box)
9
Screw, S.T.
10
Screw, Machine (L =
3
/
4
")
11
Nut, Keps (Ext. Lock Washer)
12
Air Pressure Switch
13 Drill
Screw
REF.
NO. DESCRIPTION
14
Junction Box Cover
15 Snap
Bushing
16 Relay
(Motor)
17
Draftor Stack Assembly
18
Tubing (Aluminum) Formation
19 Male
Connector
20 Locknut
21 Hole
Plug
22
Pressure Switch Cover
23 Drill
Screw
24
Junction Box Base
25
Purge Relay (not shown)
- located in Junction Box