Johnson Controls YVAHP072B31S, Service Manual

Page: 918 / 1796

1.5.7.3 Relay and 3 Pin Connector Kit: PSC-5RA
2. Installation
(1) Avoid a humid environment. Install it near the indoor unit.
(2) Check to ensure that the following parts are included in the box.
.No. Name Qty. No. Name Qty.
1 Suspension Bracket 2 4 Wood Screw for Clamp 3
2 Screw 2 5 Wood Screw 4
3
Cable Clamp 3
(3) Use the wood screws
5
when the adaptor is installed
on the wall/post.
(4) When the adaptor is installed with the suspension bolts
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1
.
Hang it on the bracket’s hook and tighten two screws.
1. System
This kit is used for input/output signals (ON/OFF, mode, alarm) between the central controller and the
indoor unit.
(PSC-5RA)
TB1
TB2
0.3mm 2 (AWG22)
- 6 cores
6.6ft (2m)
(Accessory)
Central
Controller
PCB
Indoor
Unit
Wired
Controller
Connection Cable
(6 cores)
Max. 229.7ft (70m)
(field-supplied)
Adaptor
CN7
CN3*
Item Signal Description 6SHFL¿FDWLRQV
Input from
Central Controller
Input 1
Input level signal or pulse signal for voltage
from the central controller
Voltage: 12VDC, 10mA
Voltage: 24VDC, 10mA
Pulse Range: 500ms or more
Input 2
Output to
Central Controller
Output 1
Output the signal from the wired controller
24VDC
From 10mA to 1A
Output 2
Refer to the Indoor Unit Manual for Input/Output mode settings by the wired controller.
Refer to the Service Manual for connector numbers.
3-3/8
(86)
Wood Screw
Unit: inch (mm) < Pitch >
4-1
1/32
(1
10)
5
Screw 2
Suspension Bolt (W3/8, M10)
Suspension Bracket 1
1-902
Service Manual
INSTALLATION