Daikin Trailblazer AGZ030-101E Installation, Operation And Maintenance Manual page 51

Figure 55: Typical Heat Recovery Unit Field Wiring Diagram (Multi-Point Connection)
Note: Separate grounding is
required if fed from different
transformers. Otherwise a
single ground is acceptable.
DOUBLE SET POINT/MODE
SWITCH
(BY OTHERS)
Flow Switch Contacts
Use dry contacts only. DO NOT
supply Field Power to this circuit
NOTE: For Factory Supplied Thermal
Dispersion Flow Switch wiring,
see wiring instruction kit.
EVAP. - LWT RESET
DEMAND LIMIT
FIELD POWER SUPPLY
TO HEAT RECOVERY
FREEZE PROTECTION
HEATERS (BY OTHERS)
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CIRCUIT BREAKER 1
(BY OTHERS)
3 PHASE
POWER
SOURCE
EARTH
GROUND
CIRCUIT BREAKER 2
(BY OTHERS)
3 PHASE
POWER
SOURCE
CHWR1
PUMP NO.1 RELAY
(BY OTHERS)
120VAC @ 1.0AMP MAX
/
CHWR2
PUMP NO.2 RELAY
(BY OTHERS)
120VAC @ 1.0AMP MAX
/
ALARM
ALARM BELL RELAY
BELL OPTION
120VAC @ 1.0AMP MAX
/ ABR
OFF
** TIME CLOCK
AUTO
REMOTE
ON
STOP SWITCH
(BY OTHERS)
MANUAL **
/
OFF
** TIME CLOCK
AUTO
ON
MANUAL **
/
/
To UC DI2
+
4-20MA FOR
(BY OTHERS)
_
/
+
4-20MA FOR
(BY OTHERS)
_
/
+
_
/
FIELD WIRING DIAGRAM
WITH MICROTECH CONTROLLER
PANEL
DISCONNECT SWITCH
OR
POWER BLOCK
L1 T1
L2 T2
L3 T3
FU4 FU5
T1
301 120 299
FU6
VAC
CONTROL CIRCUIT
FUSE
TB1
SEE NOTE 2
22
301A
TB1
FU
DISCONNECT SWITCH
1A
OR
15A for 1.5 KVA
POWER BLOCK
30A for 3.0KVA
(BY OTHERS)
L1 T1
L2 T2
L3 T3
TB1 TB2
35 120 VAC
24 VAC 43
TB2
TB1
N 83
33 N
TB1
TB2
P2+ 120 VAC
45
IF EXTERNAL
ALARM/EVENT
IS USED
555A
REMOVE LEAD 555A
TB1
TB2
FROM TERM
31 N
TB2-45 TO TB2-67
67
TB1
TB7
34 120 VAC
3
TB1
TB7
32A
5
GND
(317)
TB7
TB2
8
52
IF REMOTE STOP
CONTROL IS USED
585 REMOVE LEAD 585
FROM TERM
TB2
TB2-52 TO TB2-72 N
72
TB7
1
TB2
54
TB2
100B
TB2
TB7
74
2
TB2
44 M
TB7
5
TB2
61 DI2 TB7
4
TB7
5
TB2
32
TB2 TB2
68 102
TB2
69
(+)
TB2
(-)
BACNET-MSTP
70
REF
TB2
GND
CONNECT TO GROUND
71 AT ONE END ONLY.
(317)
HEAT RECOVERY JUNCTION BOX
TBHR
120+ 120V
TBHR
120- N
51 IOM 1206-13 • TRAILBLAZER
Electrical Data
TO CIRCUIT 1
COMPRESSOR(S)
AND FAN MOTORS
DISCONNECT
(BY OTHERS)
N
OPTIONAL
FIELD SUPPLIED
CONTROL POWER
120 VAC
TO CIRCUIT 2
COMPRESSOR(S)
AND FAN MOTORS
**
ALARM BELL
RELAY
/
COM NO
ABR
ALARM BELL
OPTION
BELL
1 2
/
24VAC @ 0.4AMP MAX.
EXTERNAL
ALARM/
EVENT
**
/
**Heat Recovery
Request Switch
HEAT RECOVERY
Heat Recovery
PUMP RELAY Pump Relay
120VAC @ 1.0 AMP MAX
**Flo HR
Heat Recovery
Flow Switch
Heat Recovery
0-10 V DC Pump VFD
or 3-Way Valve
Heat Recovery
4-20mA Pump VFD
or 3-Way Valve
Heat Recovery
Pump
SVHR1
1 2
/
120VAC
TO/FROM BAS
(CUSTOMER
CONNECTION)
Notes:
1.) ALL FIELD WIRING TO BE INSTALLED AS
NEC CLASS 1 WIRING SYSTEM WITH
CONDUCTOR RATED 600 VOLTS.
2.) IF FIELD SUPPLIED, CONTROL POWER USER
MUST REMOVE FU6, AND WIRE NUMBERS
299, 301A INSIDE CONTROL PANEL
3.) ** = USE 'DRY CONTACTS' ONLY. DO NOT
SUPPLY FIELD POWER TO THIS CIRCUIT
4.) DO NOT SUPPLY FIELD POWER TO
24VAC OR 120VAC CONTROL CIRCUITS.
MODEL AGZ CHILLERS
®