Table of Contents
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INSTALLATION INSTRUCTIONS
These instructions must be read and understood completely before attempting installation.
DANGER, WARNING, CAUTION, and
NOTE
The
signal
words
CAUTION, and NOTE are used to identify levels of
hazard seriousness. The signal word DANGER is
only used on product labels to signify an immediate
hazard. The signal words WARNING, CAUTION,
and NOTE will be used on product labels and
throughout this manual and other manuals that may
apply to the product.
DANGER − Immediate hazards which will result in
severe personal injury or death.
WARNING − Hazards or unsafe practices which
could result in severe personal injury or death.
CAUTION − Hazards or unsafe practices which
may result in minor personal injury or product or
property damage.
NOTE − Used to highlight suggestions which will
result in enhanced installation, reliability, or
operation.
TABLE OF CONTENTS
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Fan Coils
FEM4X, FEM4P, REM4X, FXM4X
Safety Labeling and Signal Words
DANGER,
WARNING,
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Specifications are subject to change without notice.
Signal Words in Manuals
The signal word WARNING is used throughout this
manual in the following manner:
WARNING
!
The signal word CAUTION is used throughout this
manual in the following manner:
CAUTION
!
Signal Words on Product Labeling
Signal words are used in combination with colors and/or
pictures on product labels.
2
WARNING
!
2
2
PERSONAL INJURY, AND/OR PROPERTY DAMAGE
7
HAZARD
7
Failure to carefully read and follow this warning could
10
result in equipment malfunction, property damage,
personal injury and/or death.
10
11
Installation or repairs made by unqualified persons could
result in equipment malfunction, property damage,
11
personal injury and/or death.
12
The information contained in this manual is intended for
13
use by a qualified service technician familiar with safety
13
procedures and equipped with the proper tools and test
instruments.
13
14
Installation must conform with local building codes and
with the National Electrical Code NFPA70 current edition.
17
496 01 5503 02
6/7/19
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Table of Contents
Related Manuals for HEIL FXM4X
Summary of Contents for HEIL FXM4X
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Page 1: Table Of Contents
INSTALLATION INSTRUCTIONS Fan Coils FEM4X, FEM4P, REM4X, FXM4X These instructions must be read and understood completely before attempting installation. Safety Labeling and Signal Words DANGER, WARNING, CAUTION, and NOTE Signal Words in Manuals The signal word WARNING is used throughout this... -
Page 2: Introduction
INSTALLATION INSTRUCTIONS Fan Coils: FEM4X, FEM4P, REM4X, FXM4X INTRODUCTION See Clearances REQUIRED CLEARANCES − ALL MODELS inches Models FEM4X, FEM4P, and REM4X are for R−410A refrigerant and can be used for upflow, horizontal left or right, (mm) and downflow applications (accessory kit required for All Sides downflow). - Page 3 INSTALLATION INSTRUCTIONS Fan Coils: FEM4X, FEM4P, REM4X, FXM4X A. UPFLOW INSTALLATION B. MODULAR UNITS If return air is to be ducted through a floor, set unit on floor FEM4X6000B, REM4X6000B, and FXM4X4800/6000 fan over opening and use 1/8 to 1/4 inch thick (3 to 6 mm thick) coils are two−piece modular units.
- Page 4 INSTALLATION INSTRUCTIONS Fan Coils: FEM4X, FEM4P, REM4X, FXM4X C. DOWNFLOW INSTALLATION accessory Base Kit. Set unit on floor over opening and use 1/8” to 1/4” thick fireproof resilient gasket between duct, unit, and floor. Refer to installation instructions packaged with CAUTION accessory kit.
- Page 5 INSTALLATION INSTRUCTIONS Fan Coils: FEM4X, FEM4P, REM4X, FXM4X Figure 4 A−Coil in Horizontal Left Application (factory configuration) COIL FACTORY SHIPPED BRACKET HORIZONTAL LEFT APPLICATION COIL SUPPORT RAIL DRAIN PAN SUPPORT BRACKET COIL BRACKET HORIZONTAL DRAIN PAN PRIMARY DRAIN HORIZONTAL LEFT...
- Page 6 INSTALLATION INSTRUCTIONS Fan Coils: FEM4X, FEM4P, REM4X, FXM4X Horizontal Right Conversion of Units With A−Coils 7. Install horizontal pan on right side of coil assembly. 8. Slide coil assembly into casing. Be sure coil bracket on 1. Remove blower and coil access panel and fitting panel each corner of vertical pan engages coil support rails.
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Page 7: Air Ducts
INSTALLATION INSTRUCTIONS Fan Coils: FEM4X, FEM4P, REM4X, FXM4X E. MANUFACTURED HOUSING AND MOBILE HOME Removal of Brackets on Figure 8 APPLICATIONS Modular Units 1. Fan coil unit must be secured to the structure using field−supplied hardware. 2. Allow a minimum of 24 inches (610mm) clearance from access panels. -
Page 8: Electrical Connections
INSTALLATION INSTRUCTIONS Fan Coils: FEM4X, FEM4P, REM4X, FXM4X ELECTRICAL CONNECTIONS 3. When installing an electric heater, remove and discard power plug (if equipped) from fan coil and connect These Fan Coils do not have a printed circuit board (PCB), they male plug from heater to female plug from unit wiring harness. - Page 9 INSTALLATION INSTRUCTIONS Fan Coils: FEM4X, FEM4P, REM4X, FXM4X Wiring Layout − Air Conditioning Figure 13 Transformer Connections Figure 10 Unit (Cooling and 1−Stage Heat) SECONDARY FAN COIL THERMOSTAT (CONTROL) BROWN YELLOW AIR COND. BLACK PRIMARY C. GROUND CONNECTIONS WARNING Wiring Layout − Heat Pump Unit Figure 11 (Cooling and 2−Stage Heat with No...
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Page 10: Refrigerant Tubing
INSTALLATION INSTRUCTIONS Fan Coils: FEM4X, FEM4P, REM4X, FXM4X To change motor speeds disconnect the BLUE fan lead from Figure 14 Motor Speed Selection motor connector terminal #2 (factory default position) and move to desired speed tap; 1, 2, 3, or 5 (see Figure 14). -
Page 11: Refrigerant Metering Device
INSTALLATION INSTRUCTIONS Fan Coils: FEM4X, FEM4P, REM4X, FXM4X REFRIGERANT FLOW−CONTROL DE- Figure 15 Refrigerant Flow−Control Device VICE BRASS DISTRIBUTOR FEM4P Models: HEX NUT TEFLON SEAL These units come equipped with a factory installed Piston . If a piston replacement is... -
Page 12: Accessories
INSTALLATION INSTRUCTIONS Fan Coils: FEM4X, FEM4P, REM4X, FXM4X Prime all traps, test for leaks, and insulate in areas where Figure 18 Condensate Drain sweating of the traps and drain lines could potentially cause water damage. Consult local codes for additional requirements or precautions. -
Page 13: Sequence Of Operations
INSTALLATION INSTRUCTIONS Fan Coils: FEM4X, FEM4P, REM4X, FXM4X E. ELECTRIC HEAT OR EMERGENCY HEAT MODE Wiring Layout of Humidifier to Fan Figure 20 Thermostat closes R to W. W energizes electric heat relay(s) Coil with Electric Heat which completes circuit to heater element(s). W also... -
Page 14: Airflow Performance Tables
INSTALLATION INSTRUCTIONS Fan Coils: FEM4X, FEM4P, REM4X, FXM4X FEM / REM AIRFLOW PERFORMANCE TABLES Table 1 − Airflow Performance (CFM) TOTAL STATIC (inches water column) MODEL & SIZE BLOWER SPEED 0.10 0.20 0.30 0.40 0.50 0.60 Tap 5 Tap 4... - Page 15 INSTALLATION INSTRUCTIONS Fan Coils: FEM4X, FEM4P, REM4X, FXM4X FXM AIRFLOW PERFORMANCE − CFM at a given Speed and Static reading Measured Static Pressure, inlet to outlet (inches water column) Model Blower Speed 0.10 0.20 0.30 0.40 0.50 0.60 Tap 5...
- Page 16 INSTALLATION INSTRUCTIONS Fan Coils: FEM4X, FEM4P, REM4X, FXM4X Table 2 − Air Delivery Performance Correction Component Pressure Drop (in. wc) at Indicated Airflow (Dry to Wet Coil) 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 UNIT SIZE 0.034...
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Page 17: R−410A Quick Reference Guide
INSTALLATION INSTRUCTIONS Fan Coils: FEM4X, FEM4P, REM4X, FXM4X R−410A QUICK REFERENCE GUIDE • R−410A refrigerant operates at 50% − 70% higher pressures than R−22. Be sure that servicing equipment and replacement components are designed to operate with R−410A. • R−410A refrigerant cylinders are rose colored.