3/4" MNPT X 3/4" SLIP FIT
PVC RIGID PIPE
FLEXIBLE TUBE
CONSTANT DOWNWARD
SLOPE 1/8"/FT (MIN.)
3/4" MNPT X 3/4" SLIP FIT
PVC RIGID PIPE
FLEXIBLE TUBE
CONSTANT DOWNWARD
SLOPE 1/8"/FT (MIN.)
CONSTANT DOWNWARD
SLOPE 1/8"/FT (MIN.)
KEEP TOP OF
LOOP BELOW THE
BOTTOMOF THE
DEHUMIDIFIER
CABLE TIE
DRAIN TRAP
3/4" MNPT x 3/4"
BARB
3/4" FEMALE PIPE
x 3/4" FNPT
PRIME TRAP
3/4" MNPT x 3/4" BARB
3/4" MNPT x 3/4"
FEMALE PIPE
3/4" MNPT x 3/4"
FEMALE PIPE
FLEXIBLE TUBE
FLEXIBLE TUBE
PVC
RIGID PIPE
DRAIN TRAP
DRAIN TRAP
CONSTANT DOWNWARD
SLOPE 1/8"/FT (MIN.)
KEEP TOP OF
LOOP BELOW THE
BOTTOMOF THE
DEHUMIDIFIER
CABLE TIE
DRAIN TRAP
3/4" MNPT x 3/4"
BARB
3/4" FEMALE PIPE
x 3/4" FNPT
PRIME TRAP
3/4" MNPT x 3/4" BARB
3/4" MNPT x 3/4"
FEMALE PIPE
3/4" MNPT x 3/4"
FEMALE PIPE
FLEXIBLE TUBE
FLEXIBLE TUBE
PVC
RIGID PIPE
DRAIN TRAP
DRAIN TRAP
CONSTANT DOWNWARD
SLOPE 1/8"/FT (MIN.)
KEEP TOP OF
LOOP BELOW THE
BOTTOMOF THE
DEHUMIDIFIER
CABLE TIE
DRAIN TRAP
3/4" MNPT x 3/4"
BARB
3/4" FEMALE PIPE
x 3/4" FNPT
PRIME TRAP
3/4" MNPT x 3/4" BARB
3/4" MNPT x 3/4"
FEMALE PIPE
3/4" MNPT x 3/4"
FEMALE PIPE
FLEXIBLE TUBE
FLEXIBLE TUBE
PVC
RIGID PIPE
DRAIN TRAP
DRAIN TRAP
+ - A B ODT
Sensor
Remote
Gh
Rf
Cf
Gs
Y
W
HV
AC E
QUIP
.
DH
DH
R/+
C/-
B
A
MODEL S77 CONTROL
5A. DRAIN CONNECTIONS – S210V1
5B. DRAIN CONNECTIONS – S320V1/V3
DO NOT DOUBLE TRAP
6. WIRING
• Mount control at canopy height.
• Do not mount in direct path of
dehumidifier outlet air.
• Shield control from lights.
surna.com
1780 55th Street
Boulder, CO 80301
+1 (303) 993-5271
7. SET-UP & SEQUENCE OF OPERATION WITH MODEL S77
1.
Plug unit in and turn power switch to ON.
2.
The on-board control screen should display OFF.
90-1854
NOTE:
The first button press will only turn on the
backlight.
3.
Hold the MODE button on the on-board control for
3 seconds to enter the Installer Set-up Menu.
90-1854
8. CODES
(LOCATED ON BACK OF WIRE ACCESS COVER)
See the Installation Instructions for troubleshooting
error codes. For additional assistance, Technical
Support is available Monday through Friday, 7:00 a.m.
to 5:00 p.m. CST, at (800) 972-3710.
Contact Technical Support before replacing the unit
or components and for additional troubleshooting.
SEQUENCE OF OPERATION
1.
At the Model S77, press the ON button; the Model S77 will display the measured RH and ON.
2.
Use the UP or DOWN button on the Model S77 to adjust the humidity setting as desired.
3.
If the RH measured by the Model S77 rises above the setting, the dehumidifier will turn on. “DEHUMIDIFYING”
will appear on the dehumidifier control display and ON will blink on the Model S77 to show that there is a call for
dehumidification. The dehumidifier will turn off when the RH measured by the Model S77 drops 3% RH below the setting.
NOTE:
When using the Model S77, there is an initial 3 minute delay at power-up before the dehumidifier compressor will
turn on.
4.
Press the UP or DOWN button to change to ENABLED.
90-1854
5.
Press MODE repeatedly until DONE shows on screen.
90-1854
6.
Press ON/OFF to turn ON.
90-1854
ERROR CODE
FAILURE MODE
E1
Internal %RH/ Temperature Sensor Failure
E2
High Refrigeration Pressure
E3
Model 76 Remote Control Communication Loss
E4
Insufficient Capacity
E5
High Temperature Thermistor Failure
E6
Low Temperature Thermistor Failure
E7
Float Switch Open
E8
Inlet Air Temperature Out of Range
S320V1
12/3,6-20P
S320V3
12/3,L7-20P
S210V1
14/3,6-15P
