York YMB-HW - Manual

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PDF Text Table of Contents

Table of Contents:

• Page 2 – INSTALLATION; FIG. 1 – UNIT NOMENCLATURE; • Engineering Guide, Direct Drive YMB Models; MODEL; HW
• Page 4 – FIG. 4 – STANDARD LOW VOLTAGE WIRING
• Page 6 – PIPING; (see table 3 for connection; PIPING PRECAUTIONS
• Page 7 – FAN COILS START-UP CHECKLIST; INSTALL CHECKLIST
• Page 8 – MAINTENANCE; MOTOR; CLEAN UNIT INTERIOR

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L23954Y 1-05

INSTALLATION, OPERATION, & MAINTENANCE

FAN COIL

AIR CONDITIONERS

NEW RELEASE

Form 115.20-NOM4 (105)

***** WARNING TO INSTALLER, SERVICE PERSONNEL AND OWNER *****

Altering the product or replacing parts with non-authorized factory parts voids all warranty or

implied warranty and may result in adverse operational performance and/or a possible hazardous

safety condition to service personnel and occupants. Company employees and/or contractors are

not authorized to waive this warning.

Notes:

1. For proper operation, control valve must be normally closed.
2. Aquastats provided where required.
3. Electric Heat is only available in the YMBE series. These units require a remote thermostat (low voltage 4 wire thermostat).

MODELS:

YMB, YMB-HW, YMBE

YMB

Series

(2-pipe, cooling and heating)

(Replaces the MH Series)

YMB-HW

Series

(4-pipe, cooling and heating)

(Replaces the MH-HW Series)

YMBE

Series

(2-pipe, cooling with electric heat)

(Replaces the MHE Series)

LD07966

00781VIP

(See page 3 for details)

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