JOHNSON CONTROLS
64
FORM 102.20-OM2
ISSUE DATE: 6/01/2015
SECTION 3 - MAINTENANCE
TABLE 16 -
MOTOR BEARING LUBRICATION INTERVALS
NEMA / (IEC) FRAM SIZE
RATED SPEED - RPM (HOURS)
10,000
6,000
3,600
1,800
1,200
900
UP TO 210 INCL. (132)
**
2,700
5,500
12,000
18,000
22,000
OVER 210 TO 280 INCL. (180)
3,600
9,500
15,000
18,000
OVER 280 TO 360 INCL. (180)
*2,200
7,400.
12,000
15,000
OVER 360 TO 5800 INCL. (180)
*2,200
3,500
74,00
10,500
* Lubrication intervals are for ball bearings. For roller bearings, divide the listed lubrication interval by 2. Relubrication interval for 6205 bear
-
ing is 1550 hrs, and for 6806 bearing is 720 hrs. (Using grease lubrication)
** For 6205 and 6806 bearings. For 6807 bearings, consult oil mist lubrication (MN410).
TABLE 17 -
MOTOR BEARING SERVICE CONDITIONS
SEVERITY OF SERVICE
AMBIENT TEMPERATURE
MAXIMUM
ATMOSPHERIC
CONTAMINATION
TYPE OF BEARING
STANDARD
40°C
CLEAN,
LITTLE CORROSION
DEEP GROOVE
BALL BEARING
SEVERE
50°C
MODERATE DIRT,
CORROSION
BALL THRUST, ROLLER
EXTREME
>50°C*
or
CLASS H INSULATION
SEVERE DIRT,
ABRASIVE DUST
ALL BEARINGS
LOW TEMPERATURE
<-30°C**
CORROSION
* Special high temperature grease is recommended. Note that high temperature grease may not mix with other grease types. Thoroughly
clean bearing and cavity before adding grease.
**Special low temperature grease is recommended.
TABLE 18 -
MOTOR BEARING LUBRICATION INTERVAL MULTIPLIER
SEVERITY OF SERVICE
MULTIPLIER
STANDARD
1.0
SEVERE
0.5
EXTREME
0.1
LOW TEMPERATURE
1.0
UVC EMITTER LAMPS
If purchased, the contractor is responsible for install-
ing the UV lamps, and connecting a 120 volt power
supply as shown in
. The John-
son Controls factory provides the following pre-wired
parts.
•
Internal wiring with a magnetic door safety switch
•
A lockable disconnect switch with a
Press to Test
pilot light
•
A latching circuit that has to be manually re-ener-
gized on the AHU's exterior after a door has been
opened and closed.
Use clean cotton rags, clean jersey or
latex gloves to handle the lamps. DO
NOT touch UV lamps with bare hands or
leather gloves because the oil will damage
the lamps.
