Model 401 & 403 Pass-Thru
Service and Installation Instructions
99-21972-S001 Rev. C
- 71 -
1
Heat Load in BTU/Hr for Glass, Door Rail, Frame Heaters & Lights (Per
Door, with Doors Closed @75°F Store Ambient)
MODEL 401/403 NORMAL TEMPERATURE
(3-PANE NON-HEATED GLASS - CASE TEMP 33°F)
CATALOG
DOOR SIZE
1 DOOR
2 DOOR
3 DOOR
4 DOOR
5 DOOR
23 x 67
770
1274
1782
2285
2789
23 x 75
836
1380
1929
2478
3027
26 x 67
786
1306
1823
2343
2863
26 x 75
844
1405
1962
2519
3080
28 x 75
852
1417
1982
2552
3117
28 x 79
864
1446
2023
2605
3182
30 x 67
795
1323
1851
2384
2912
30 x 75
848
1413
1974
2539
3100
30 x 79
864
1438
2015
2593
3166
NOTE:
Add 10-20% to above values depending upon door opening frequency.
Troubleshooting
1.
Electrical:
Low voltage supply (less than 108V on 120V systems) results in
significantly lower wattage. Lower wattage will decrease the efficiency of heaters
and lamps.
A.
Glass Condensation:
1.
No Power? Check:
a.
b.
c.
d.
e.
f.
g.
Power supply
Relative humidity in room area
Hinge pin wiring
Case temperature
Hinge pin plugged into door female plug
Incorrect wiring
Faulty Energy Management System (Sensor)
2.
Lo
a.
w Voltage? Check voltage at main power source.
Voltage at main
– low voltage
b.
Energy Management System (Sensor)