Greenheck Fan Ventilation Hood 464603 User Manual

Part number 464603  
IMO-XXX & SSIMO-XXX series  
fire and combination fire Smoke dampers  
vertical or Horizontal Mount  
Installation, Operation and Maintenance Instructions  
International Maritime fire test Procedure  
code  
USCG Type Approved  
Approval Number 164.139/0007/0  
ReceIvING aNd HaNdlING  
WaRRaNty  
Upon receiving dampers, check for both obvious and  
hidden damage. If damage is found, record all necessary  
information on the bill of lading and file a claim with  
the final carrier. Check to be sure that all parts of the  
shipment, including accessories, are accounted for.  
Greenheck warrants this equipment to be free from  
defects in material and workmanship for a period of one  
year from the purchase date. Any units or parts which  
prove to be defective during the warranty period will  
be repaired or replaced at our option. Greenheck shall  
not be liable for damages resulting from misapplication  
or misuse of its products. Greenheck will not be  
responsible for any installation or removal costs.  
Greenheck will not be responsible for any service work  
or backcharges without prior written authorization.  
Dampers must be kept dry and clean. Indoor storage  
and protection from dirt, dust and the weather is highly  
recommended. Do not store at temperatures in excess of  
100°F.  
Safety WaRNING:  
Improper installation, adjustment, alteration,  
service or maintenance can cause property damage,  
injury or death. Read the installation, operating,  
and maintenance instructions thoroughly before  
installing or servicing this equipment.  
This manual is the property of the owner, and is required  
for future maintenance. Please leave it with the owner  
when the job is complete.  
 
Size limitations  
Damper model  
Maximum Single  
Section size  
Maximum Overall size for  
Multi-section dampers  
IMO-310  
32 in. x 32 in.  
(813mm x 813mm)  
32 in. x 32 in.  
(813mm x 813mm)  
32 in. x 32 in.  
64 in. x 32 in.  
(1626mm x 813mm)  
64 in. x 32 in.  
(1626mm x 813mm)  
64 in. x 32 in.  
SSIMO-310  
IMO-311  
(813mm x 813mm)  
32 in. x 32 in.  
(1626mm x 813mm)  
64 in. x 32 in.  
SSIMO-311  
(813mm x 813mm)  
(1626mm x 813mm)  
Manually operated dampers (IMO-310 & SSIMO-310)  
Manually operated dampers utilize a spring and fusible link assembly to close the damper during elevated temperature  
conditions. No electrical power is required for these models.  
Motor operated dampers (IMO-311 & SSIMO-311)  
Motor operated dampers are supplied with an electric thermal response device which cuts power to the spring return  
actuator upon sensing an elevated temperatures. See below for electrical connections.  
VA  
ELECTRICAL CAPACITY = 10 AMP @ 120 / 240  
C
connection and Operation of temperature  
Response devices (RRl standard, OcI option,  
and PRv option)  
RRl Wiring  
L1  
L2  
NC  
BLACK  
BLACK  
WHITE/RED  
ORANGE  
M
RRl - Dampers will be supplied with a thermostat-type  
temperature response device, as a standard. The device is a RRL  
(resettable link device), which only incorporates one thermostat  
and therefore the damper remains closed as soon as its sensor  
temperature is reached. The RRL does not contain blade  
indication switches. Refer to figure 5 for wiring of the RRL  
thermostat.  
P
PRIMARY TEMP  
SENSOR  
ELECTRIC DAMPER  
ACTUATOR OR PNEUMATIC  
SOLENOID VALVE  
Fig. 5  
NOTE: THE SWITCH WIRES WRAPPED WITH  
A BLUE MARKER INDICATE THE  
CLOSED POSITION OF THE DAMPER.  
If RRL is ordered with a pneumatic actuator, an EP switch is  
required with an appropriate electric power circuit to allow the  
electric thermostat to control the pneumatic actuator.  
ELECTRICAL CAPACITY = 10AMP @ 120 / 240VAC  
L1  
L2  
OcI Wiring  
OcI - The OCI (open or closed indicator) option contains a single  
pole, double throw switch used to indicate the damper blade  
position. The switch provides a positive open or closed signal  
when used in conjunction with remote indicator lights. Refer to  
fig. 7 for wiring of the OCI option.  
BY OTHERS  
S1  
YELLOW  
YELLOW  
YELLOW  
YELLOW  
DAMPER  
INDICATOR  
LIGHTS  
NO  
NO  
S2  
Fig. 6  
PRv - The PRV (pneumatic relief valve) option is heat responsive  
device used with pneumatic actuators. This can be used in place  
of EP switch where a RRL is used. The PRV activates when  
temperature in excess of the temperature of the fusible link are  
detected. When the fusible link melts, air from the actuator is  
exhausted to close the dampers. Pneumatic actuators are to be  
piped per local code.  
RatINGS  
Integral Switch type: Single Pole, double throw  
electrical capacity: 10 Amps, 1/3 hp, 120 or 240 Vac  
1/2 Amp, 125 Vdc; 1/4 Amp 250 Vdc  
5 Amps, 120 Vac “L” (lamp load)  
1.0 Amps, 24 Vac  
1.5 Amps, 24 Vdc  
temperature limit: 165°F (standard primary sensor)  
212°F (optional primary sensor)  
 
damper Maintenance  
Dampers do not typically require maintenance as long as they are kept dry and clean. If cleaning is necessary,  
use mild detergents or solvents. If lubrication is desired for components such as axle bearings, jackshaft  
bearings and jamb seals, do not use oil-based lubricants or any other lubricants that attract contaminants such  
as dust.  
Dampers and their actuator(s) must be maintained, cycled, and tested in accordance with:  
• The latest editions of NFPA 80, 90A, 92A, UL864, and local codes.  
• Actuator manufacturer recommendations.  
damper trouble Shooting  
The following is a possible cause and correction list for common concerns with the dampers.  
Symptom  
Possible cause  
corrective action  
Frame is ‘racked’ causing blades to  
bind on jamb seals  
Adjust frame such that it is square  
and plumb  
Actuator linkage loose  
Close damper, disconnect power, adjust  
and tighten linkage  
Damper does not  
fully open and/or  
fully close  
Defective motor  
Replace  
Screws in damper linkage  
Actuator linkage hitting wall or floor  
Locate screws and remove  
Damper installed too far into wall. Move  
out to line designated on damper label.  
Clean with a non-oil-based solvent  
(see Damper Maintenance)  
Contaminants on damper  
RRL or TOR sensor  
tripped  
Heat  
Push reset button located on backside  
of RRL or TOR.  
Damper does not  
operate  
No power supplied to the actuator  
Copyright © 2007 Greenheck Fan Corporation  
IMO-XXX series IOM Rev. 3 July 2007  
 

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