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IM 1021 - Key-Lock Access Door Kit
The key-lock access door kit can be installed on ThinLine 3G
cabinet units to prevent access to unit controls. It is installed as
follows.
1 Locate all components and remove from carton. Kit
includes:
• Tamperproof control door
• 2 hinge pins
• Locking mechanism
• Locking mechanism keys
2 Open the control door on the fan coil. Then unscrew the
two attaching screws and remove the door from the unit.
See Figure 1. Save screws for reattachment!
Figure 1: Remove Control Door From Unit
3
Remove the hinge pins from the old control door by
either re-rounding the flattened pin ends with a needle-
nose pliers or drilling out the pins with a 5/32” drill bit.
Then separate the door from the hinge bracket.
Figure 2: Remove Old Door from Bracket
4
Attach the locking mechanism to the tamper-proof
control door. See Figure 3.
5 Attach the new tamperproof control door to the hinge
bracket using new hinge pins. See Figure 3. Secure the
hinge pins to the bracket by pinching protruding ends
with a needle-nose pliers.
Figure 3: Attach Bracket and Lock to New Door
6
Install the new door and locking mechanism on the unit
using the screws removed in Step 2.
Installation and Maintenance Manual IM 1021
Key-Lock Access Door for
ThinLine™ 3G Vertical Fan Coils
Group: Applied Air Systems
Part Number: 668115705
Date: August 2009
Unscrew attaching screws and
remove control door from unit.
Remove hinge pins from old control door and
separate door from hinge bracket.
Attach tamperproof control door to hinge bracket
with new hinge pins.
Attach locking mechanism to tamperproof
control door.
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