Daikin Pathfinder AWV Installation, Operation And Maintenance Manual page 25

Figure 47: Field Wiring Diagram - Multiple Point Power
CIRCUIT BREAKER
(BY OTHERS)
3 PHASE
POWER
SOURCE
EARTH
GROUND
Note: Separate grounding is
required if fed from different
transformers. Otherwise a
single ground is acceptable.
CIRCUIT BREAKER
(BY OTHERS)
3 PHASE
POWER
SOURCE
EVAP. WATER
(BY OTHERS)
PUMP RELAY No. 1
EVAP. WATER PUMP RELAY
(BY OTHERS)
120VAC @ 0.25AMP MAX
(818)
EVAP. WATER
(BY OTHERS)
PUMP RELAY No. 2
EVAP. WATER PUMP RELAY
(BY OTHERS)
120VAC @ 0.25AMP MAX
(930)
Bell
Alarm (BY OTHERS)
Option 120VAC @ 0.25AMP MAX
(821)
WATER SIDE
ECONOMIZER
STATUS RELAY
(BY OTHERS)
(933)
WATER SIDE
* SEE NOTE 2
ECONOMIZER
*120VAC CIRCUIT
ENABLE
(947)
IF WATER SIDE ECONOMIZER IS
USED, REMOVE LEAD 552 AND
INSTALL SWITCH BETWEEN
M5-45 AND MQ-11
FLow Switch Contacts
(835)
NOTE: For Factory Supplied Thermal
Dispersion Flow Switch wiring, see wiring
instruction in Kit.
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PANEL
POWER BLOCK
OR
DISCONNECT SWITCH
L1 T1
L2 T2
L3 T3
F120
Q12
POWER BLOCK OR
DISCONNECT SWITCH
L1 T1
L2 T2
L3 T3
M5
120 VAC
28
CHWR1
MQ
17 N
M5
120 VAC
49
CHWR2
MQ
17 N
M5
26 120 VAC
ABR
MQ
N
17
M5
44 120 VAC
WSESR
MQ
N
17
M5
45 120 VAC
MQ
N
11
M5
M
8
**USE DRY CONTACS ONLY
SEE NOTE 2
M5
DI2
23
Installation and Application Considerations
F120
T1
DISCONNECT
(BY OTHERS)
MQ
17
115
FUSE
VAC 20A for 2KVA
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
OFF
M5
58
** USE DRY CONTACTS ONLY, SEE NOTE 2 AUTO
IF REMOTE SWITCH IS USED,
ON
REMOVE MECHANICAL JUMPER
M5
BETWEEN M5 TERMIONALS 58 & 59.
59
MANUAL
M5
5
** USE DRY CONTACTS ONLY, SEE NOTE 2
IF EXTERNAL ALARM IS USED, REMOVE
LEAD 402 BETWEEN M5 TERMINALS 5 & 15
M5
15
M5
35
M5
36
M5
38
M5
37
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.
4)COMMUNICATION CARD WIRING IS
SHOWN ON THE AWV KIT DRAWING
INDEX PAGE 13/14.
25 IOM 1242-8 • PATHFINDER
TO
COMPRESSOR(S)
AND FAN MOTORS
OR CIRCUIT 1
N
OPTIONAL
FIELD SUPPLIED
CONTROL POWER
120 VAC
TO
COMPRESSOR
AND FAN MOTORS
CIRCUIT 2
MODE SWITCH
(835)
TIME
CLOCK
REMOTE
SWITCH
(BY OTHERS)
(837)
EA1
EXTERNAL
ALARM
(928)
+
4-20 mA
SETPOINT OVERRIDE
(BY OTHERS)
_
(820)
+
4-20 mA
DEMAND LIMIT
(BY OTHERS)
_
(933)
MODEL AWV CHILLERS
®