York YVAA User Manual

JOHNSON CONTROLS
104
SECTION 7 - OPERATION
Form 201.47-ICOM1
Issue date: 17/11/2022
Figure 49 - New 331-03478-xxx microboard
20
19
18
17
14
13
11
12
8
7
1
2
3
6
5
4
9
15
10
16
SC-EQ
Number Description Number Description Number Description Number Description
1
TP3 +5 V
6
Power LED 11
Port 2
RX2, TX2
16 Port 1 SC-EQ
2
TP2 +3.3 V
7
Status LED 12
PORT 2 RS-232
Printer
17 TP1 GND
3
SD Card
8
Power LED 13
VSD RX
VSD-TX
18 TP4+12 V
4
JP4, JP5, JP6
Remote Setpoint
Jumpers
9
Port 2 RS485
Datalog
14
U18 VSD
RS-485 Driver
19 TP5 + 15 V
5
U5 RTC/BRAM
10
U23 Port 2
RS-485 Driver
15
U26 PORT 1
RS-485 Driver
20 TP10 + 24 V
YorkTalk2 is connected at TB3
for IPU3

York YVAA Specifications

General

Refrigerant	R-134a
Condenser	Water-cooled
Compressor Type	Screw
Efficiency	High
Operating Voltage	380V/3/60Hz
Weight	Varies with model; consult factory
Dimensions	Varies with model; consult factory