97
12. Shall have built--in Carrier Comfort Network (CCN) protocol, and be compatible with other CCN devices, includ-
ing ComfortLink and ComfortVIEW controllers.
13. Shall have built--in support for Carrier technician tool.
14. Software upgrades will be accomplished by local download. Software upgrades through chip replacements are not
allowed.
15. Shall be shock resistant in all planes to 5G peak, 11ms during operation, and 100G peak, 11ms during storage.
16. Shall be vibration resistant in all planes to 1.5G @ 20--300 Hz.
17. Shall support a bus length of 4000 ft max, 60 devices per 1000 ft section, and 1 RS--485 repeater per 1000ft
sections.
23 09 23.13.B. Multi--protocol, direct digital controller:
1. Shall be ASHRAE 62--2001 compliant.
2. Shall accept 18--30VAC, 50--60Hz, and consumer 15VA or less power.
3. Shall have an operating temperature range from --40
_
F (--40
_
C) to 130
_
F (54
_
C), 10% -- 90% RH (non--condens-
ing).
4. Shall include built--in protocol for BACNET (MS/TP and PTP modes), Modbus (RTU and ASCII), Johnson N2
and LonWorks. LonWorks Echelon processor required for all Lon applications shall be contained in separate com-
munication board.
5. Shall allow access of up to 62 network variables (SNVT). Shall be compatible with all open controllers
6. Baud rate Controller shall be selectable using a dipswitch.
7. Shall have an LED display independently showing the status of serial communication, running, errors, power, all
digital outputs, and all analog inputs.
8. Shall accept the following inputs: space temperature, setpoint adjustment, outdoor air temperature, indoor air qu-
ality, outdoor air quality, compressor lock--out, fire shutdown, enthalpy switch, and fan status/filter status/humid-
ity/remote occupancy.
9. Shall provide the following outputs: economizer, fan, cooling stage 1, cooling stage 2, heat stage 1, heat stage 2,
heat stage 3/ exhaust/ reversing valve.
10. Shall have built--in surge protection circuitry through solid state polyswitches. Polyswitches shall be used on in-
coming power and network connections. Polyswitches will return to normal when the “trip” condition clears.
11. Shall have a battery back--up capable of a minimum of 10,000 hours of data and time clock retention during power
outages.
12. Shall have built--in support for Carrier technician tool.
13. Shall include an EIA--485 protocol communication port, an access port for connection of either a computer or a
Carrier technician tool, an EIA--485 port for network communication to intelligent space sensors and displays, and
a port to connect an optional LonWorks communications card.
14. Software upgrades will be accomplished by either local or remote download. No software upgrades through chip
replacements are allowed.
23 09 33
Electric and Electronic Control System for HVAC
23 09 33.13
Decentralized, Rooftop Units:
23 09 33.13.A. General:
1. Shall be complete with self--contained low voltage control circuit protected by a resettable circuit breaker on the
24--v transformer side. Transformer shall have 75VA capability.
2. Shall utilize color--coded wiring.
3. Shall include a central control terminal board to conveniently and safely provide connection points for vital con-
trol functions such as: smoke detectors, phase monitor, economizer, thermostat, DDC control options, loss of
charge, freeze switch, high pressure switches.
4. Unit shall include a minimum of one 8--pin screw terminal connection board for connection of control wiring.
5. Shall include integrated defrost system to prevent excessive frost accumulation during heating duty, and shall be
controlled as follows:
a. Defrost shall be initiated on the basis of time and coil temperature.
b. A 30,60,90,120 minute timer shall activate the defrost cycle only if the coil temperature is low enough to indic-
ate a heavy frost condition.
c. Defrost cycle shall terminate when defrost thermostat is satisfied and shall have a positive termination time of
10 minutes.
6. Defrost system shall also include:
a. Defrost Cycle Indicator LED.
b. Dip switch selectable defrost time between 30,60,90 and 120 minutes. Factory set at 30 minutes.
50TC
Q
Summary of Contents for WeatherMaker 50TCQ*07
Page 21: ...21 WEIGHTS DIMENSIONS C09016 Fig 1 Dimensions 50TCQ 04 07 50TCQ ...
Page 24: ...24 WEIGHTS DIMENSIONS cont C08677B Fig 5 Dimensions 50TCQ 08 09 50TCQ ...
Page 25: ...25 WEIGHTS DIMENSIONS cont C10393 Fig 6 Dimensions 50TCQ 08 09 50TCQ ...
Page 27: ...27 WEIGHTS DIMENSIONS cont C10369 Fig 9 Curb Dimensions 50TCQ 08 09 50TCQ ...
Page 28: ...28 WEIGHTS DIMENSIONS cont C09556A Fig 10 Dimensions 50TCQ 12 50TCQ ...
Page 31: ...31 WEIGHTS DIMENSIONS cont C10370 Fig 14 Curb Dimensions 50TCQ 12 50TCQ ...
Page 32: ...32 WEIGHTS DIMENSIONS cont C09895A Fig 15 Dimensions 50TCQ 14 50TCQ ...
Page 33: ...33 WEIGHTS DIMENSIONS cont C09895A Fig 16 Dimensions 50TCQ 14 50TCQ ...
Page 35: ...35 WEIGHTS DIMENSIONS cont C10251 Fig 19 Curb Dimensions 50TCQ 14 50TCQ ...
Page 87: ...87 TYPICAL WIRING DIAGRAMS C09063 Fig 28 1 Stage Cooling Typical Power Diagram 50TCQ ...
Page 88: ...88 TYPICAL WIRING DIAGRAMS cont C09065 Fig 29 2 Stage Cooling Typical Power Diagram 50TCQ ...
Page 89: ...89 TYPICAL WIRING DIAGRAMS cont C09066 Fig 30 PremierLink Option Diagram 50TCQ ...
Page 90: ...90 TYPICAL WIRING DIAGRAMS cont C09067 Fig 31 Multi Protocol Option Diagram 50TCQ ...
Page 91: ...91 C09062 Fig 32 1 Stage Typical Wiring Diagram 50TCQ ...
Page 92: ...92 C09064 Fig 33 2 Stage Typical Wiring Diagram 50TCQ ...