Manual Number 9018205 Revision F, April 1, 2021
10
SECTION 3 INSTALLATION
3.1 GENERAL
This section contains interconnect diagrams, mounting dimensions and other information
pertaining to the installation of the CH93 Digital Clock / Dual USB Charging Port. After installation
of cabling and before installation of the equipment, ensure that power and ground are applied to
the proper pins specified in Section 3.4.2, Pin Assignment Information.
3.2 PRE-INSTALLATION INSPECTION
When unpacking this equipment, make a visual inspection for evidence of any damage that may
have occurred during shipment.
3.3 PARTS
Included Parts
A.
Digital Clock (with USB Charging Port(s))
MCIA P/N 6420093-( )
B.
Installation and Operation manual
MCIA P/N 9018205
C.
Installation Kit (for Type 1)
MCIA P/N 9018178
Mating Connector, 4-Pin
Pins (6) (4 required, 2 spares)
Screws (5), #6-32 x 3/8” Flat Head (4 required, 1 spare)
D.
Installation Kit (for Type 2)
MCIA P/N 9018178-1
Mating D-Sub Connector, 9-Pin
Screws (5), #6-32 x 3/8” Flat Head (4 required, 1 spare)
Available Parts
A.
500 Ω Outside Air Temperature Probe
MCIA P/N B-10-1
B.
500 Ω Cockpit/Cabin Temperature Probe
MCIA P/N B-11-1
C.
Current Sense Cockpit/Cabin Temperature Probe
MCIA P/N B-11-2
Installer Supplied Parts
A.
Cable Harness Wire, See Section 3.4.1 for specifications
B.
Circuit Breaker Recommendations:
-0,-2,-3,-4 units: 3 amps (1.5 amp may be sufficient for 28V aircraft - as
needed per system requirements)
-5 units: 5 amps for 28V aircraft
C.
Davtron C307PS or 655 current sense probes (if applicable).