Time Guard - Carrier WeatherMaster 50HCQ Product Data

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 individual detector modules.
(5.) Can be wired to up to 14 other duct smoke detectors for multiple fan shutdown applications.

17. Time Guard

a. Shall prevent compressor short cycling by providing a 5- - minute delay (±2 minutes) before restarting a com-
pressor after shutdown for any reason.
b. One device shall be required per compressor.
18. Electric Heat:
a. Heating Section
(1.) Heater element open coil resistance wire, nickel- - chrome alloy, 0.29 inches inside diameter, strung through
ceramic insulators mounted on metal frame. Coil ends are staked and welded to terminal screw slots.
(2.) Heater assemblies are provided with integral fusing for protection of internal heater circuits not exceeding
48 amps each. Auto reset thermo limit controls, magnetic heater contactors (24V coil) and terminal block
all mounted in electric heater control box (minimum 18 ga galvanized steel) attached to end of heater
assembly.
19. 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.
Copyright 2011 Carrier Corp. S 7310 W. Morris St. S Indianapolis, IN 46231
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
Printed in U.S.A. Edition Date: 03/11
97
Catalog No: 50HCQ---03PD
Replaces: 50HCQ--- 02PD