Main
GENERAL
Model EEDU and HEEDU
Indoor/Power-Vented Duct Furnaces
1. Installation Codes
Special Installations (Aircraft Hangars/ Garages)
HAZARD INTENSITY LEVELS 1. DANGER: 2. WARNING: 3. CAUTION:
WARRANTY: Warranty is void if......
2. Warranty
3. Dimensions
Figure 1
Front View Side View Rear View
D
M
4. Uncrating and Preparation
5. Location, Clearances, and Combustion Air
CAUTION: Do not locate heater where it may be exposed to liquid spray, rain or dripping water.
REQUIRED CLEARANCES Front Top Flue Connec tor Sides Bottom Rear 6" 6" 6" 6" 12 " 29"
6. Instructions for Reversing Air Flow by Changing Directional Air Baffles in the Heat Exchanger
Hazards of Chlorines
6. Instructions for Reversing Air Flow (cont'd)
7. Suspending or Mounting the Furnace
Figure 5 - Base Mounted Furnace
Suspending the Furnace
Figure 4B - Option CK3 Hanger Kit (P/N 57959) with four threaded sockets
8. Coupling Two, Three, Four or Five Furnaces using Optional Coupling Kits
9. Gas Piping and Pressures
10. Venting
10. Venting (cont'd)
Venter Outlet Attachment Requirements (cont'd): o
Table 1 : Maxim um Permissible Vent Lengths with St andard V ent P ipe Di amet ers
*Reduce the maxim um vent l ength by the amount indicate d for eac h e lbow used.
Figure 9 - Vertical Vent Terminal
Horizontal Vent Terminal Clearances
Figure 10 - Horizontal Vent Terminal
11. Duct Connections
Requirements and Suggestions for Connecting and Installing Ducts
Figure 12A - Connecting Ductwork to the Furnace
G
Figure 12B - Attachment of Duct to Furnace
12. Condensate Drain, Option CS1, for Furnaces Used with Refrigeration Systems
Figure 13 - Condensate Drain, Option CS1 (P/N 31765)
Figure 13 - Bypass Duct
13. Duct Furnace Air Flow Requirements
14. Constructing Bypass Duct
15. Furnace Blower Connections
14. Bypass Duct (cont'd)
Figure 14
16. Combustion Air Proving Switch
17. Electrical Supply and Connections
Operating Sequence
Disconnect Switch
Control Thermostat
Page
RGM Form 421, Mfg No. 150492, Page 17
Two-Stage with Intermittent Spark Pilot System with or without Lockout
W.D. 110824
NOTES
18. Limit Switch
19. Fan Control (Optional, Field Installed)
WARNING: If you turn off the power supply, turn off the gas. See Hazard Levels, page 2.
Figure 17 - Installation of Optional Fan Control Kit, Option CQ1 (P/N 57960)
20. Gas Valve
21. Optional Two-Stage Operation - Heating Only Application
22. Optional Two-Stage Operation - Makeup Air Application
Figure 18 - Ductstat/Sensing Bulb Locations for Furnace with Option AG3 Side
Rear
22. Optional 2-Stage Operation (cont'd)
Dial has no temperature markings. Pin on adjustment screw pointing to "B" equals approximately 70oF.
23. Optional Electronic Modulation
Note: Requires field-installed fan control.
24. Pilot and Ignition Systems
25. Burners and Carryover System
26. Burner Air Adjustment
27. Check Installation and Start-Up
SERVICE AND MAINTENANCE
WARNING: If you turn off the power supply, turn off the gas. See Hazard Levels, page 2.
Figure 21 - Pilot Burner Spark Gap
28. Burner Rack Removal Instructions
29. Cleaning Pilot and Main Burners
31. Venter
Motor
(Troubleshooting is continued on page 24.)
Venter Relay -
30. Cleaning the Heat Exchanger
32. Troubleshooting (cont'd)
FOR SERVICE OR REPAIR, FOLLOW THESE STEPS IN ORDER:
FIRST:
SECOND: THIRD:
va lv e w ill not o pen