
13
Table 2 — Perfect Humidity Reheat Control Board I/O
POINT NAME
TYPE
CONNECTION PIN NUMBER
UNIT CONNECTION
NOTE
Humidistat/LTLO
DI, 24VAC
J1A-1 (1)
LTLO
Thermostat W1
DI, 24VAC
J1A-2 (2)
CTB-REHEAT-4
Econ Y1
DI, 24VAC
J1A-6 (6)
CTB-REHEAT-5
Thermostat G
DI, 24VAC
J1B-1 (7)
CTB-REHEAT-1
24V Power (J1)
24VAC
J1B-3 (9)
CTB-R
24V Power (J2)
24VAC
J2-1
CTB-R
Econ Y2
DI, 24VAC
J1B-5 (11)
CTB-REHEAT-7
2-circ only
COMP1
DO, 24VAC
J1A-5 (5)
CTB-HEAT-6
IFM
DO, 24VAC
J1B-4 (8)
CTB-REHEAT-2
COMP2
DO, 24VAC
J1B-4 (10)
CTB-REHEAT-8
LSV
DO, 24VAC
J2-2
FTP (BLK)
DSV1
DO, 24VAC
J2-3
DSV
NOT LSV
DO, 24VAC
J2-4
2-circ only
DSV2
DO, 24VAC
J2-5
2-circ only
LEGEND
COMP
—
Compressor
CTB
—
Control Terminal Board
DI
—
Discrete Inp
u
t (switch)
DO
—
Discrete O
u
tp
u
t (switch)
DSV
—
Discharge (gas) Solenoid Valve
Econ
—
Economizer
FPT
—
Freeze Protection Thermostat
IFM
—
Indoor (S
u
pply) Fan motor
LSV
—
Li
qu
id Solenoid Valve
LTLO
—
Low Temperat
u
re Locko
u
t
REHEAT
—
Connection Strip REHEAT (on CTB)
Table 3 — Inputs/Modes/Outputs Summary
Y1
Y2
W1
G
HUM/LTLO
MODE
COMP1
COMP2
IFM
LSV1 LSV2 LSV NOT
DSV1
DSV2
OFF
OFF
OFF
ON
OFF
Normal
Fan
OFF
OFF
ON=G OFF
OFF
ON=R
OFF
OFF
ON
OFF
OFF
On
OFF
Normal
Cool1
ON=Y1
OFF
ON=G OFF
OFF
ON=R
OFF
OFF
ON
ON
OFF
ON
OFF
Normal
Cool2
ON=Y2
ON
ON=G OFF
OFF
ON=R
OFF
OFF
OFF
OFF
ON
X
OFF
Normal
Heat 1
OFF
OFF
ON=G OFF
OFF
ON=R
OFF
OFF
OFF
OFF
OFF
ON
ON
Reheat
Dehumidify
ON
ON
ON=G
ON
ON
OFF
ON=R ON=R
ON
OFF
OFF
ON
ON
Subcool Cir1/
Reheat Cir2
Cool1 and
Cool2/Subcool-
Dehumidify
ON
ON
ON=G
ON
ON
OFF
OFF
ON=R
ON
ON
OFF
ON
ON
Subcool Cir1
and Cir2
Cool1 and
Cool2/Subcool-
Dehumidify
ON
ON
ON=G
ON
ON
OFF
OFF
OFF
OFF
OFF
ON
X
ON
Heat Override
Heat 1
OFF
OFF
ON=G OFF
OFF
ON=R
OFF
OFF
OFF
OFF ON+W2
X
ON
Heat Override
Heat 1 and 2
OFF
OFF
ON=G OFF
OFF
ON=R
OFF
OFF
Table 4 — Perfect Humidity Troubleshooting
PROBLEM
CAUSE
REMEDY
Subcooling Reheat Mode Will Not
Activate
General cooling mode problem.
See Cooling Service Troubleshooting (Table 5).
No dehumidification demand.
See No Dehumidification Demand, below.
CRC relay operation.
See CRC Relay Operation, below.
Circuit RLV, CLV or LDV valve problem.
See CLV, RLV or LDV Valve Operation, below.
Hot Gas Reheat Mode Will Not
Activate
General cooling mode problem.
See Cooling Service Troubleshooting (Table 5).
No dehumidification demand.
See No Dehumidification Demand, below.
CRC relay operation.
See CRC Relay Operation, below.
Circuit RLV, CLV or LDV valve problem.
See CLV, RLV or LDV Valve Operation, below.
Circuit RDV valve is not open.
See RDV Valve Operation, below.
Outdoor temperature too low.
Check Reheat2 Circuit Limit Temperatures
(Configuration
HMZR
RA.LO and RB.LO) using
ComfortLink Scrolling Marquee.
Содержание 581J 17-28 Series
Страница 18: ...18 COOLING CHARGING CHARTS Fig 21 Cooling Charging Chart 15 Ton ...
Страница 19: ...19 Fig 22 Cooling Charging Chart 17 5 Ton ...
Страница 20: ...20 Fig 23 Cooling Charging Chart 20 Ton ...
Страница 21: ...21 Fig 24 Cooling Charging Chart 25 Ton ...
Страница 36: ...36 Fig 47 Unit Control Box IGC Location IGC Board IGC Board Side view Front view ...
Страница 39: ...39 Fig 50 Integrated Gas Control IGC Board RED LED STATUS ...
Страница 45: ...45 Fig 56 RTU Open Overlay for Economizer Wiring ...
Страница 46: ...46 Fig 57 VFD Overlay for W2770 Controller Wiring ...
Страница 84: ...84 Fig B 581J 17 28 Control Diagram 208 230 3 60 460 575 3 60 APPENDIX D WIRING DIAGRAMS ...
Страница 85: ...85 Fig C 581J 17 28 Power Diagram 208 230 3 60 APPENDIX D WIRING DIAGRAMS ...
Страница 86: ...86 Fig D 581J 17 28 Power Diagram 460 3 60 APPENDIX D WIRING DIAGRAMS ...
Страница 87: ...87 Fig E 581J 17 28 Power Diagram 575 3 60 APPENDIX D WIRING DIAGRAMS ...
Страница 88: ...88 Fig F 581J 17 28 Control Diagram with Perfect Humidity System APPENDIX D WIRING DIAGRAMS ...
Страница 89: ...89 Fig G 581J 17 28 Power Diagram 208 230 3 60 with Perfect Humidity System APPENDIX D WIRING DIAGRAMS ...
Страница 90: ...90 Fig H 581J 17 28 Power Diagram 460 3 60 with Perfect Humidity System APPENDIX D WIRING DIAGRAMS ...
Страница 91: ...91 Fig I 581J 17 28 Power Diagram 575 3 60 with Perfect Humidity System APPENDIX D WIRING DIAGRAMS ...
Страница 92: ...92 Fig J RTU OPEN Wiring Diagram APPENDIX D WIRING DIAGRAMS ...
Страница 93: ...93 Fig K RTU OPEN Wiring Diagram with Perfect Humidity System APPENDIX D WIRING DIAGRAMS ...