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Manual Carrier 48/50HJ004-024

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  • Carrier 48/50HJ004-024 - page 1

    Manufactu rer reser ves the rig ht to dis continue , or chan ge at a ny time, spec ificat ions or des igns without notice an d withou t inc urring obligations. PC 111 Catalog No . 534-8 0082 Prin ted in U.S.A. F or m 48/ 50H,T -15SI Pg 1 8-01 Replaces : 48/50 H,T -2SI B o o k 111444 T a b 1 a1 b5 a5 a6 a6 b Installation, Oper ation, and T roub lesh ...

  • Carrier 48/50HJ004-024 - page 2

    2 AP O L LO CO N T RO L — The Apollo control (see Fig. 4) has the following features: • serves as interface between thermostat, Carrier rooftop unit, and any extern al field-supplied sens ors • powered b y 24 vac/10 va; s upplies thermostat with 10 vdc. Thi s power is supplied by the Carrier r ooftop unit. The Apollo control must be used in c ...

  • Carrier 48/50HJ004-024 - page 3

    3 Thermostat I nstallati on — Begin the thermostat in- stallation by determining where the thermostat will be located. In most cases, this wi ll be pre-determined by t he building plans. Locate the thermosta t on an interi or wall, about 5 ft from the ground. The thermostat should be located away from direct sunlight, drafts, or interior heat sou ...

  • Carrier 48/50HJ004-024 - page 4

    4 Fig. 6 — Thermostat and Apollo Control Wiring NO TE: Refer to Product Suppor t Bulletin No . 93-005 f or shielded wire applica- tions when wir ing the thermo stat to the Apollo control and for all communication bus wiring connect ions or contact your local representative. ...

  • Carrier 48/50HJ004-024 - page 5

    5 TROUBLESHOO TING See Fig. 7-10 for A pollo factory , control, and system wiring. Blank Displa y or Blinking Displa y at the Thermostat 1. Check to ensure there is at least 20.5 vac across the 2 termi- nals labelled 24 vac. If there is not at least 20.5 vac , ch eck the unit transformer which is powering the Apollo control. 2. If an a c voltage be ...

  • Carrier 48/50HJ004-024 - page 6

    6 Fig. 7 — Factory-Supplied Wiring to Rooftop Unit and Apollo Control LEGEND COM — Com munication ECONO — Economizer NC — Nor mally Closed *Filter status s witch and humidity sensor cannot function simultaneously . Only one sensor can be wired. Fig. 8 — Apollo Control Wiring Schematic — 48/50HJ, 3 to 20 Ton Un its; 48/50TF,TM, 3 to 12-1 ...

  • Carrier 48/50HJ004-024 - page 7

    7 *Filter status s witch and humidity sensor cannot function simultaneously . Only one sensor c an be wired. Fig. 9 — Apollo Control Wiring Schematic — 50HJQ, 12 1 / 2 and 15 T on Units LEGEND C— Contactor CHAS — Ground COM — Common DX — Direct Expansion ECON — Economizer GND — Ground HT — Heat IA Q — Indoor Air Q uality NC — ...

  • Carrier 48/50HJ004-024 - page 8

    Manufactu rer reser ves the rig ht to dis continue , or chan ge at a ny time, spec ificati ons or des igns without notice an d wit hout inc urring obligations. PC 111 Catalog No . 534-8 0082 Prin ted in U.S.A. F or m 48/ 50H,T -15SI Pg 8 8-01 Replaces : 48/50 H,T -2SI B o o k 111444 T a b 1 a1 b5 a5 a6 a6 b Copyright 20 01 Car rier Cor po ration GR ...

Manufacturer Carrier Category Thermostat

Documents that we receive from a manufacturer of a Carrier 48/50HJ004-024 can be divided into several groups. They are, among others:
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All of them are important, but the most important information from the point of view of use of the device are in the user manual Carrier 48/50HJ004-024.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Carrier 48/50HJ004-024, service manual, brief instructions and user manuals Carrier 48/50HJ004-024. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product Carrier 48/50HJ004-024.

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A complete manual for the device Carrier 48/50HJ004-024, how should it look like?
A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use Carrier 48/50HJ004-024 by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Carrier 48/50HJ004-024.

A complete Carrier manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual Carrier 48/50HJ004-024 - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the Carrier 48/50HJ004-024, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the Carrier 48/50HJ004-024, that we can find in the current document
3. Tips how to use the basic functions of the device Carrier 48/50HJ004-024 - which should help us in our first steps of using Carrier 48/50HJ004-024
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Carrier 48/50HJ004-024
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of Carrier 48/50HJ004-024 in a specific country, if it was not possible to solve the problem on our own.

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