Daikin Pathfinder AWV Installation, Operation And Maintenance Manual page 24

Figure 46: Field Wiring Diagram - Single Point Power
3 PHASE
POWER
SOURCE
EVAP. WATER
PUMP RELAY No. 1
(BY OTHERS)
(718)
EVAP. WATER
PUMP RELAY No. 2
(BY OTHERS)
(830)
ALARM OUTPUT
(721)
WATER SIDE
ECONOMIZER
STATUS RELAY
(933)
WATER SIDE
ECONOMIZER ENABLE
(BY OTHERS)
(947)
FLow Switch Contacts
(735)
NOTE: For Factory Supplied Thermal
Dispersion Flow Switch wiring, see wiring
instruction in Kit.
IOM 1242-8 • PATHFINDER
CIRCUIT BREAKER
(BY OTHERS)
EARTH
GROUND
M5
28 120 VAC
CHWR1
(BY OTHERS)
EVAP. WATER PUMP RELAY
120VAC @ 0.25AMP MAX
MQ
17 N
M5
49 120 VAC
CHWR2
(BY OTHERS)
EVAP. WATER PUMP RELAY
120VAC @ 0.25AMP MAX
MQ
N
17
(BY OTHERS)
120VAC @ 0.25AMP MAX
M5
26 120 VAC
MQ
N
17
M5
44 120 VAC
WSESR
(BY OTHERS)
MQ
N
17
M5
45 120 VAC
* SEE NOTE 2
*120VAC CIRCUIT
MQ
11 N
IF WATER SIDE ECONOMIZER IS
USED, REMOVE LEAD 552 AND
INSTALL SWITCH BETWEEN M5-45
AND MQ-11
M5
M
8
**USE DRY CONTACS ONLY
SEE NOTE 2
M5
DI2
23
MODEL AWV CHILLERS
®
Installation and Application Considerations
PANEL
POWER BLOCK
OR
DISCONNECT SWITCH
L1 T1
L2 T2
L3 T3
F120 F120
T1
DISCONNECT
(BY OTHERS)
MQ
17
115
FUSE
VAC 20A for 2KVA
Q12
MQ
30A for 3KVA
12
(BY OTHERS)
OPEN Q12 IF SUPPLY IS SEPARATE 120 VAC SOURCE
M5
21
** USE DRY CONTACTS ONLY, SEE NOTE 2
IF MODE SWITCH IS USED, REMOVE
M5 LEAD 322 BETWEEN M5-21 AND MS-10.
57
M5
58
** USE DRY CONTACTS ONLY, SEE NOTE 2
IF REMOTE SWITCH IS USED,
REMOVE MECHANICAL JUMPER
M5
BETWEEN M5 TERMIONALS 58 & 59.
59
M5
5
** USE DRY CONTACTS ONLY, SEE NOTE 2
IF EXTERNAL ALARM IS USED, REMOVE
M5 LEAD 402 BETWEEN M5 TERMINALS 5 & 15
15
M5
61
** USE DRY CONTACTS ONLY, SEE NOTE 2
M5
62
M5
35
M5
36
M5
38
M5
37
TO/FROM BAS
CLA
(CUSTOMER
LON
CONNECTION)
CLB
GND
CONNECT TO GROUND
AT ONE END ONLY.
24
TO
COMPRESSOR(S)
AND FAN MOTORS
OR CIRCUIT 1
N
OPTIONAL
FIELD SUPPLIED
CONTROL POWER
120 VAC
MODE SWITCH
(735)
OFF
TIME
CLOCK
AUTO
REMOTE
SWITCH
(BY OTHERS)
ON
MANUAL (737)
EA1
EXTERNAL
ALARM
(828)
BC1
FOR RAPID
BACKUP
RESTORE OPTION
CHILLER
ONLY
(856)
(858)
+
4-20 mA
SETPOINT OVERRIDE
(BY OTHERS)
_
(720)
+
4-20 mA
DEMAND LIMIT
(BY OTHERS)
_
(833)
910170645_1RC
NOTE:
1) ALL FIELD WIRING TO BE
INSTALLED AS NEC CLASS 1 WIRING
SYSTEM WITH CONDUCTOR RATED
600 VOLTS.
2)**=USE "DRY CONTACTS" ONLY.
DO NOT SUPPLY FIELD POWER TO
THIS CIRCUIT.
3)DO NOT SUPPLY FIELD POWER TO
24VAC OR 120VAC CONTROL CIRCUITS.
www.DaikinApplied.com