55
Wiring Connections – VERSA IC
®
Control
Connecto
r
Pin #
Function
Field Wiring
CN1
1
N/A
(S7)
CN1
2
Aux 1
S6 – IND
Sensor
CN1
3
Common
Aux 1 & 2
Common
CN1
4
Mod +
CWS/CWR
CN1
5
Mod -
CN1
6
RS485 Ground
FUTURE
CN1
7
RS485-A
CN1
8
RS485-B
CN1
9
Modbus
Ground
ModBus
Communication
link
CN1
10
ModBus-A
CN1
11
ModBus-B
CN2
1
PIM®2 Ft-Bus
A
Cascade
Connections
from Master
VERSA IC®
Control to
Follower PIM®s
CN2
2
PIM®2 Ft-Bus
B
CN2
3
PIM®3 Ft-Bus
A
CN2
4
PIM®3 Ft-Bus
B
CN2
5
PIM®4 Ft-Bus
A
CN2
6
PIM®4 Ft-Bus
B
CN2
7
Shield Ground
CN3
Communication
Cable to PIM®
CN4
1
External Valve
Dry contact
closure with call
for burner
CN4
2
External Valve
CN4
3
Fan/Damper
Dry contact
closure with call
for burner
CN4
4
Fan/Damper
CN4
5
Extra –
STATUS
(burner)
Dry contact
closure with
burner
CN4
6
Extra
Connecto
r
Pin #
Function
Diagnostic
Wiring
CN5
1
Condensate
Switch
CN5
2
Vent Temp
Limit
CN5
3
Auto High Limit
CN5
4
Low Water
Cutoff
CN5
5
Blocked Vent
CN5
6
Low Gas
Pressure
CN5
7
High Gas
Pressure
CN5
8
Extra
CN6
Connection to
Diagnostic
LEDs (model
specific)
Green – Power
On; Amber –
Call for Heat;
Blue – Burner
ON; Red -
Service
CN7
Connection to
VERSA Display
Board
CN8
1
Flow Switch
CN8
2
Air Press
Switch
CN8
3
Factory Option
#1
CN8
4
Factory Option
#2
CN8
5
Factory Option
#3
Table M: VERSA IC
®
control connections
Содержание 5000.72A
Страница 2: ...2 Rev 2 is a software revision J1214G Aug 2014 completely new edition of this manual ...
Страница 28: ...28 Fig 26 WH Direct DHW single Heater with CWP VS Pump MIX TYPE 2 Fig 25 WH Direct DHW Single Heater ...
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