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18-GE08D1-2
Installer’s Guide
WARNING
!
TO PREVENT INJURY OR DEATH DUE TO ELECTRICAL
SHOCK OR CONTACT WITH MOVING PARTS, LOCK
UNIT DISCONNECT SWITCH IN OPEN POSITION
BEFORE SERVICING UNIT.
The use of Field fabricated or manufactured traps
as shown in Figures 7 & 8 is acceptable. The
manufactured trap shown in Figure 7 allows for a
float switch option to be added.
Refer to the manufacturer’s data and instructions
for details.
2. The trap must be located within 4 feet of the air
handler drain outlet connection.
3. It is recommended that a clean-out tee or cross
be installed in the primary drain line for future
maintenance (See Figures 7 & 8)
4. Do not use reducing fittings in the condensate
drain lines.
5. Slope the drain lines downward a minimum of 1/4"
per foot.
6. Insulate the primary drain to prevent sweating.
7.
Provide means for drainage to prevent winter
freeze-up of condensate line
.
8. Do not connect the drain line to a closed drain
system.
2" MINIMUM
2" MINIMUM
MANUFACTURED TRAPS
EZT-105
FIELD FABRICATED TRAP
2" MIN.
2" MIN.
CAP OR PLUG
Trap must be within 4'
of air handler condensate
drain connection.
Close as possible
7
8
3/4" NPT Secondary
drain connection
3/4" NPT
Primary drain
connection
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9. Use Teflon
®
tape on the air handler drain line
connections! Do Not Use pipe joint compound or
PVC/CPVC cement!
It is always recommended that an auxiliary drain pan
be installed under a horizontally installed air handler.
Connect the auxiliary drain line to a separate drain line
(no trap is needed in this line) and terminate according
to local codes.
NOTE:
DO NOT use a torch or flame near the plastic drain pan
coupling.
NOTE:
DO NOT tighten the drain pipe excessively. Support the
condensate piping and traps outside the unit to pre-
vent strain on the drain coupling.
F. ELECTRICAL — POWER WIRING
1. These Air Handlers are shipped from the factory
wired for 230 volts. The units may be wired for 208
volts. Follow instructions on unit wiring diagram
located on blower housing and in the Service Facts
document included with the unit.
2. The selection of wire and fuse sizes should be made
according to the Minimum Branch Circuit Ampacity
and the Maximum Overcurrent Device listed on the
unit nameplate.