Installation manual

58
Installing the Door Switch (Option)
Contact your Thermo King Dealer for specific part numbers.
NOTE: The Door Switch Harness Connectors are located at the rear of the unit (See DETAIL C).
Single Door Switch Activation / Single Zone (Detail A)
1. Attach the interface harness to the door switch connector located at the
rear of the unit.
2. Route a 3 wire harness (Installer Supplied) from the interface harness
to a single
door switch. Connect matching wires per the table below
(RED/RED, WHITE/WHITE, BLACK/BLACK) to each door
switch using splice connectors. Crimp splice connectors securely and
apply heat with a heat gun.
3. All harnesses should be installed, routed and properly secured to
protect from damage.
Multiple Door Switch Activation / Single Zone (Detail B)
4. Attach the interface harness to the door switch connector at the rear of
the unit.
5. Route a 3 wire harness (Installer Supplied) from the interface harness
to each
door switch - Maximum Two Doors. Connect matching wires
per the table below (RED/RED, WHITE/WHITE, BLACK/
BLACK) to each door switch using splice connectors. Crimp splice
connectors securely and apply heat with a heat gun.
6. All harnesses should be installed, routed and properly secured to
protect from damage.
7. Operate unit and verify door switch operation.
Interface Harness Wiring Door Switch Wiring
RED = (12 Vdc) POWER RED = (12 Vdc) POWER
BLACK = (CH) GROUND BLACK = (CH) GROUND
WHITE = (DS) OUTPUT WHITE = (DS) OUTPUT
Interface Harness Wiring Door Switch Wiring
RED = (12 Vdc) POWER RED = (12 Vdc) POWER
BLACK = (CH) GROUND BLACK = (CH) GROUND
WHITE = (DS) OUTPUT WHITE = (DS) OUTPUT