
G-DD SERIES Direct Drive BLOWERS
MODELS: G9-7DD-1/3, G9-7DD-1/2, G9-DD-1/3, G9-DD-1/2, G10-8DD-1/2,
G10-8DD-3/4, G10DD-1/2, G10DD-3/4, G12-9DD-3/4, G12-10-DD-3/4
General
Prior to installation or making any electrical connection, inspect unit for damage,
loose, missing or damaged parts. Check fasteners, re-tighten as required.
Rotate the blower wheel by hand to ensure free rotation. If rubbing occurs,
loosen the wheel set screw, reposition the wheel on the shaft to the center of the
blower. Re-tighten set screw
.
Safety
Handling and installation should only be performed by trained and experienced personnel who
are aware of the hazards associated with rotating equipment. Rotating parts on fans, should not be
exposed. Where these components are not protected by ductwork, cabinets or covers, appropriate
guards should be employed to restrict exposure to rotating parts. Access doors should never be
opened with the fan running to avoid drawing in foreign objects into the system. On initial start-up, a
careful inspection should be carried out to ensure no foreign material is present which could become
airborne in the system.
Read installation and operation instructions carefully before attempting to install, operate or service
DELHI G-DD SERIES DIRECT DRIVE BLOWERS. Failure to comply with instructions could result in
personal injury and/or property damage. Retain instructions for future reference
Dimensions
Model
A B C D E
G9-7-DD 16-15/16 15-1/16 15-9/16 10-1/4 9-3/16
G9-DD 16-15/16 15-1/16 15-9/16 10-1/4 11-13/16
G10-8-DD 19 16-3/4 17-3/8 11-3/8 10-1/2
G10-DD 19 16-3/4 17-3/8 11-3/8 13-1/8
G12-9-DD 22-1/8 19-1/2 20-5/8 13-7/16 12-1/4
G12-10-DD 22-1/8 19-1/2 20-5/8 13-7/16 13-1/8
Motor HP
1/3 or 1/2
1/3 or 1/2
1/2 or 3/4
1/2 or 3/4
3/4
3/4
L
11-3/4
11-3/4
13-3/8
13-3/8
16-1/8
16-1/8
H
10-3/16
12-13/16
11-1/2
14-1/8
13-1/4
14-1/8
www.canarm.com April 2016
G-DD-M Page 1 of 3