55
e. Shall have a recessed momentary switch for
testing and resetting the detector.
f. Controller shall include:
1) One set of normally open alarm initiation
contacts for connection to an initiating
device circuit on a fire alarm control panel.
2) Two Form-C auxiliary alarm relays for
interface with rooftop unit or other
equipment.
3) One Form-C supervision (trouble) relay to
control the operation of the Trouble LED
on a remote test/reset station.
4) Capable of direct connection to two indi-
vidual detector modules.
5) Can be wired to up to 14 other duct smoke
detectors for multiple fan shutdown
applications.
21. Winter start kit
a. Shall contain a bypass device around the low
pressure switch.
b. Shall be required when mechanical cooling is
required down to 25°F (–4°C).
c. Shall not be required to operate on an econo-
mizer when below an outdoor ambient of 40°F
(4°C).
22. Time Guard
a. Shall prevent compressor short-cycling by pro-
viding a 5-minute delay (±2 minutes) before
restarting a compressor after shutdown for any
reason.
b. One device shall be required per compressor.
23. Hinged Access Panels
a. Shall provide easy access through integrated
quarter turn latches.
b. Shall be on major panels of: filter, control box,
fan motor, and compressor.
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