SECTION 2: INSTALLATION
•
•
•
2.
Find the grey cable inside the unit’s enclosure with the unused Molex connector with a cap
containing a jumper wire inserted in it (the jumper wire allows units that do not have a
sequencing isolation valve to operate normally). The other end is connected to the I/O board
and to a power supply.
Figure 2-18: Sequencing Isolation Valve Molex Connector and Jumper Wire
Isolation Valve Harness
Wire #
Color
Signal
1236
Black
24V Common
1237
Red
24V Hot
1238
White
Valve analog input
1239
Green
Valve analog feedback
1240
Black
Delayed interlock
1241
Black
3. Remove and dispose of the cap with jumper wire attached.
4.
Plug the Molex connector into the sequencing isolation valve’s connector.
5.
When the Sequencing Isolation Valve is used, the Controller’s
Auxiliary Delay
setting must
be set to 120 seconds. Go to
Main Menu
→
Advanced Setup
→
Ancillary Device
→
Interlocks
and set the
Auxiliary Delay
setting to
120
.
Figure 2-19: Interlocks Screen
– Auxiliary Delay Parameter
2.15 Next Steps
Once the unit is physically installed per the instructions above, the next step is to start the unit for the
first time and perform the combustion calibration procedure. For instructions, see the CFR-Edge [i]
Operation and Service Manual, OMM-0164, Section 4: Initial Startup.
MOLEX CONNECTOR
JUMPER
CAP
Содержание AERCO CFR 3000
Страница 1: ...OMM 0163_A...
Страница 24: ...APPENDIX A DIMENSIONAL AND CLEARANCE DRAWINGS CFR 3000 Zero Side Clearance Drawing SD A 1283 rev A...
Страница 25: ...AERCO International Inc 2023...