English dropdown-ico

Carrier 38HDF018-036 manual

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16

Go to page of

Similar user manuals

A good user manual

The rules should oblige the seller to give the purchaser an operating instrucion of Carrier 38HDF018-036, along with an item. The lack of an instruction or false information given to customer shall constitute grounds to apply for a complaint because of nonconformity of goods with the contract. In accordance with the law, a customer can receive an instruction in non-paper form; lately graphic and electronic forms of the manuals, as well as instructional videos have been majorly used. A necessary precondition for this is the unmistakable, legible character of an instruction.

What is an instruction?

The term originates from the Latin word „instructio”, which means organizing. Therefore, in an instruction of Carrier 38HDF018-036 one could find a process description. An instruction's purpose is to teach, to ease the start-up and an item's use or performance of certain activities. An instruction is a compilation of information about an item/a service, it is a clue.

Unfortunately, only a few customers devote their time to read an instruction of Carrier 38HDF018-036. A good user manual introduces us to a number of additional functionalities of the purchased item, and also helps us to avoid the formation of most of the defects.

What should a perfect user manual contain?

First and foremost, an user manual of Carrier 38HDF018-036 should contain:
- informations concerning technical data of Carrier 38HDF018-036
- name of the manufacturer and a year of construction of the Carrier 38HDF018-036 item
- rules of operation, control and maintenance of the Carrier 38HDF018-036 item
- safety signs and mark certificates which confirm compatibility with appropriate standards

Why don't we read the manuals?

Usually it results from the lack of time and certainty about functionalities of purchased items. Unfortunately, networking and start-up of Carrier 38HDF018-036 alone are not enough. An instruction contains a number of clues concerning respective functionalities, safety rules, maintenance methods (what means should be used), eventual defects of Carrier 38HDF018-036, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Carrier service. Lately animated manuals and instructional videos are quite popular among customers. These kinds of user manuals are effective; they assure that a customer will familiarize himself with the whole material, and won't skip complicated, technical information of Carrier 38HDF018-036.

Why one should read the manuals?

It is mostly in the manuals where we will find the details concerning construction and possibility of the Carrier 38HDF018-036 item, and its use of respective accessory, as well as information concerning all the functions and facilities.

After a successful purchase of an item one should find a moment and get to know with every part of an instruction. Currently the manuals are carefully prearranged and translated, so they could be fully understood by its users. The manuals will serve as an informational aid.

Table of contents for the manual

  • Page 1

    Manufa cturer res erves the right to discon tinue, or chang e at any time , specificat ions or designs witho ut notic e and wit hout inc urring obligati ons. Catalog No . 02-38HD0001-SI Printed in U.S .A. Form 38HD-4SI Pg 1 1-06 Replaces: 38HDC-3SI Book 1 4 Ta b 3 e 2 f Installation, Star t-Up and Ser vice Instr uctions CONTENTS Page SAFETY CONSIDE[...]

  • Page 2

    2 (FIELD PROVIDED AND INST ALLED) Fig. 2 — 38HDF ,HDR Unit Dimensions NOTE: Dimensions shown in feet-inches. Dimensions in ( ) are m illimeters. UNIT MODELS CHASSIS SIZE (Referen ce) ABC D E FG H J K L NP 38HDF Unit Size 38HDR Unit Size 018 018 0 2 ′ -1 1 / 8 ″ 3 ′ -0 15 / 16 ″ 1 ′ -2 9 / 16 ″ 1 ′ -4 ″ 1 ′ -11 7 / 16 ″ 1 ′ -[...]

  • Page 3

    3 Step 2 — Rig and Mount Unit MOUNTING ON GROUND — M ount unit on a solid, level concrete pad. Position unit so water or ice from roof does not fall directly ont o unit. Acce ssory stacking ki ts can be used when units are to be stac ked. See i nstallati on instruct ions provided with the accessory kit. Use field-provide d snow stand or ice rac[...]

  • Page 4

    4 Only use factory specified liquid-line filter driers with rated working pressures less than 600 psig. NOTE: Do not install a suction-line filter dri er in liquid line. MAKE PIPING SWEA T CONNECTIONS — Remove plasti c caps from liquid a nd suction servi ce valves. Use refrigerant grade tubing. Service va lves are closed from t he factory and ar [...]

  • Page 5

    5 Table 1B — 38HDR 018-060 P hysical D ata LEGEND *Unit shipped with full factory charge. See ARI (Air Conditioning and Refrigeration Institute) capacity tab le for proper charge and piston for each f an coil type. †V alve connection size is 7 / 8 inch. Recommended line size is 1 1 / 8 inches. **24 v and a m inimum of 40 va is provided in the f[...]

  • Page 6

    6 Step 4 — Make Electrical Connections CO N TR O L CI R C UI T W IR I N G — Control voltage i s 24 v (40 va minimum). See Fig. 5 and unit label diagram for fi eld- supplied wiring details. Route control wire through opening in unit side panel to connection in unit control box. NOTE: For wire runs up to 50 ft, use no. 18 A WG (American W ire Gag[...]

  • Page 7

    7 Table 2 — 38HDF Electric al Data LEGEND *P er missible limits of the v oltage range at which unit will operate satisf actorily . NO TES: 1. Control circuit is 24 v on all units and requires an exter nal power source. 2. All m otors and compres sors contain inter nal overload protection. 3. In compliance with NEC (U .S.A. Standard) requirements [...]

  • Page 8

    8 Table 3 — 38HDR E lectrical Data LEGEND *P er missible limits of the v oltage range at which unit will operate satisf actorily . NO TES: 1. Control circuit is 24 v on all units and requires an exter nal power source. 2. All m otors and compress ors contain inter nal overload protection. 3. In compliance with NEC (U .S.A. Standard) requirements [...]

  • Page 9

    9 LEGEND NO TES : 1. Com pressor and fan motors are t hermally protected. 2. W ire in accordance with National Electrical Code (NEC) and local codes . Replace any original wires with 90° C wire or its equiv alent. 3. Us e minimum 60° C wire f or field power wiring. 4. T ransformer has inter nal 4.5A ther mal fuse on the pr imary side. 5. T ransf [...]

  • Page 10

    10 LEGEND NO TES: 1. Compr essor and f an motors are thermally protected. 2. W ire in accordance with National Electric al Code (NEC) and local co des. Replace any original wires with 90° C wire or its equi valent. 3. The CLO locks out the COMP to prev ent shor t cycling on COMP overloads and safet y devi ces. Bef ore replacing CLO check t hese de[...]

  • Page 11

    11 ST AR T -UP Preliminary Chec ks 1. Check that all internal wiring connections are tight and that all barri ers, covers, and panels ar e in place. 2. Field electrical power source must agree with unit name - plate rating. 3. All service val ves must be open. 4. Belly-band crankcase heater must be tight on compressor crankcase for those units w it[...]

  • Page 12

    12 T o troubleshoot: 1. Apply voltmeter acros s crankcase heat er leads to see if heater voltage i s on. Do not touch heater . Carefully feel area around crankcas e heater; if warm, c rankcase heater is functioning. 2. W ith power off and heater leads disconne cted, check across leads with ohmmet er . Do not look for a specific re- sistance reading[...]

  • Page 13

    13 Table 4 — Pres sure vs. Tempera ture Cha rt — Pu ron® Refrig erant ( R-410A) Subcooling Met hod — For 38HDR units only , the sub- cooling method is used to check and adjust charge during the cooling season. Refer to T able 5 and the fol lowing procedure: NOTE: For use with residential fan coils and the 40QA060 under ceiling unit only . 1.[...]

  • Page 14

    14 Table 5 — Subcooling Charging Table Compressor Lock out Switch — The 38HDR units are provided with a compressor lockout protective device. If the compressor shuts down due to any safety device, a current loop monitoring the compressor current senses no c urrent flow . The unit will lock out unt il the control power is interrupted to reset th[...]

  • Page 15

    15 Fig. 9 — T rouble shooting the Cooling Cycle[...]

  • Page 16

    Manufa cturer reser ves the right to discon tinue, or change at any time, specificat ions or designs w ithout not ice and without incurrin g obligations. Catalog No. 02-38HD0001-SI Printed in U.S.A. Form 38HD-4SI Pg 16 2-06A 1-06 Replace s: 38HDC-3SI Book 1 4 Ta b 3 e 2 f Copyright 2 006 Car rier Cor poration[...]