gohastings.com EC-40 - Manual (Page 5)

__ __ __ __ __ Field Wired
____________ Factory Wired
__ _______ __ Field Piping
__ __ __ __ __ Field Wired
____________ Factory Wired
__ _______ __ Field Piping
NEEDS LEGEND
NEEDS LEGEND
RESERVOIR
WATER
LEVEL
NP
TIMER
FREEZE
STAT
1/2 NPT
FLOAT
VALVE
FV
1 1/2 NPT
OVER
FLOW
115 VOLT
1 PHASE
3/4 NPT
UNIT SUPPORT
BY OTHERS
ROOF LINE
SOLENOID DUMP
VALVE N.O.
COLD WATER
SUPPLY
B TV
DR
OF
DV
SOLENOID 3 WAY VALVE, A N.C., C N.O.
TO BLDG.
DRAIN BY OTHERS
FL
WATER VALVE
BY OTHERS
WV A
TO NEUTRAL
DV
WHT
YEL
FZ
RED
TM1
GRN
WHT
WHT
PUMP MOTOR
CONTROL RELAY
RED
PUMP MOTOR
BLU
PUMP MOTOR
CONTROL RELAY
CONTACTS
RED
FL
BLK
TO CONTROL
CONTACTS
TO 115 VOLT
SUPPLY
BLK
TIMER MOTOR
TERMINALS IN EVAPORATIVE
COOLER.
BLK
TM
WP
RESERVOIR
WATER
LEVEL
FL
WP
TIMER
1 1/2 NPT
FLOAT
VALVE
FV
1 1/2 NPT
OVER
FLOW
115 VOLT
1 PHASE
3/4 NPT
UNIT SUPPORT
BY OTHERS
DR
OF
SOLENOID DUMP
VALVE N.O.
WATER VALVE BY OTHERS
TO DRAIN BY OTHERS
ROOF LINE
WV
COLD WATER SUPPLY
MANUAL SHUT
OFF VALVE WITH
DRAIN PLUG
WATER CONSERVATION
SOLENOID VALVE - N.C. SV DV
FILL VALVE
TO NEUTRAL
DV
TM
TO CONTROL
CONTACTS
TO 115 VOLT
SUPPLY
BLK
TM1
YEL
TERMINALS IN EVAPORATIVE
COOLER
BLK
TIMER MOTOR
PUMP MOTOR
CONTROL RELAY
CONTACTS
FL
RED RED
PUMP MOTOR
CONTROL RELAY
WHT
WHT
GRN
WHT
BLU
WP
TM
BLK
PUMP MOTOR
- 5 -
SOLENOID & TIMED DRAIN VALVE WITH FREEZE
PROTECTION START UP PROCEDURE
1.
2.
3.
4.
5.
6.
OPEN MANUAL SHUT OFF ALVE (WV).
WHEN EVAPORATIVE COOLER IS ACTIVATED IT CLOSES DUMP
VALVE (DV). 3 WAY VALVE (TV) OPENS AND ALLOWS FRESH
WATER TO FLOAT VALVE. WATER PUMP (WP) WILL START AS
SOON AS FLOAT SWITCH (FL) CLOSES. WATER PUMP (WP)
SHOULD BE WIRED SO THAT PUMP CANNOT RUN WITHOUT
BLOWER MOTOR IN OPERATION.
FLOAT VALVE (FV) ALLOWS FRESH WATER TO ENTER
RESERVOIR.
TIMER (TM) BREAKS CIRCUIT TO DUMP VALVE (DV) N.O. FOR
DAILY SEDIMENT REMOVAL. 3 WAY VALVE (TV) WILL NOT
ALLOW SUPPLY SUPPLY WATER TO FLOAT VALVE (FV) DURING
CYCLE. TIMER IS SET FOR 1 1/2 HOUR MINIMUM FOR DRAINING
RESERVOIR.
FREEZE STAT (FZ) PROVIDES FREEZE PROTECTION BY
AUTOMATICALLY DRAINING RESERVOIR THRU DUMP VALVE
(DV), AND DRAINING COLD WATER SUPPLY FROM FLOAT VALVE
(FV) THRU N.O. PARTS OF 3 WAY VALVE (TV).
UNIT CAN BE USED WITH BLOWER ON AND EVAPORATIVE
COOLER PUMP OFF.
OPEN MANUAL SHUT OFF VALVE (WV).
WHEN EVAPORATIVE COOLER IS ACTIVATED IT OPENS WATER
CONSERVATION SOLENOID VALVE (SV), CLOSES N.O. DUMP
VALVE (DV). WATER PUMP (WP) WILL START AS SOON AS FLOAT
SWITCH (FL) CLOSES. WATER PUMP (WP) SHOULD BE WIRED SO
THAT PUMP CANNOT RUN WITHOUT BLOWER MOTOR IN
OPERATION.
FLOAT VALVE (FV) ALLOWS FRESH WATER TO ENTER
RESERVOIR.
TIMER (TM) BREAKS CIRCUIT TO DUMP VALVE (DV) N.O. FOR
DAILY SEDIMENT REMOVAL. WATER CONSERVATION SOLENOID
VALVE (SV) N.C. WLL NOT ALLOW SUPPLY WATER TO FLOAT
VALVE (FV) DURING CYCLE. TIMER IS SET FOR 1 1/2 HOURS
MINIMUM FOR DRAINING RESERVOIR.
UNIT CAN BE USED WITH BLOWER ON AND EVAPORATIVE
COOLER PUMP OFF. 1.
2.
3.
4.
5.
SOLENOID & TIMED DRAIN VALVE KIT
START UP PROCEDURE
TV
TM
FS