HEIL FEM4X - Accessories

INSTALLATION INSTRUCTIONS Fan Coils: FEM4X, FEM4P, REM4X
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Specifications are subject to change without notice.
Figure 17 Recommended Condensate Trap
2” MIN (51mm)
2” MIN (51mm)
UNIT
Figure 18 Insufficient Condensate Trap
DO NOT USE SHALLOW RUNNING TRAPS!
Figure 19 Condensate Drain
FILTER
ACCESS
PANEL
SECONDARY DRAIN WITH
APPROPRIATE TRAP REQUIRED
(USE FACTORY KIT OR
FIELD−SUPPLIED TRAP)
PRIMARY TRAP REQUIRED (USE FACTORY KIT OR
FIELD−SUPPLIED TRAP OF PROPER DEPTH.
STANDARD P−TRAPS ARE NOT SUFFICIENT. SEE
FIGURE OF RECOMMENDED CONDENSATE TRAP)
ACCESSORIES
A. HUMIDIFIER
Connect humidifier and humidistat to fan coil unit as shown
in Figure 20 and Figure 21.
Figure 20
Wiring Layout of Humidifier to Heat
Pump
R
G
C
E
L
O
Y
THERMOSTAT
R
R
C
O
Y
G
C
W
2
W
2
W
2
W
3
E
FAN COIL
(CONTROL)
HEAT PUMP
(CONTROL)
RED
GRY
BRN
WHT
WHT
BLU
VIO
HUMIDISTAT
RELAY
FAN HUMIDIFIER
115V M
Figure 21
Wiring Layout of Humidifier to Fan
Coil with Electric Heat
R
G
W
Y
THERMOSTAT
R
G
W
2
W
3
E
C
C
Y
AIR COND.
115V
RED
GRY
WHT
WHT
BLU
VIO
BRN
M
FAN COIL
(CONTROL)
HUMIDISTAT