International Comfort Products CRHEATER101A00, CRHEATER119A00, CRHEATER125A00, CRHEATER364A00, CRHEATER369A00 Installation Manual

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CRHEATER101A00 -CRHEATER119A00, CRHEATER125A00, CRHEATER364A00 -CRHEATER369A00, CRSINGLE001A00 -CRSINGLE053A00

SMALL ROOFTOP UNITS

ACCESSORY ELECTRIC HEATER

AND SINGLE POINT BOX

ELECTRIC COOLING AND HEAT PUMP

Installation Instructions

2to12

/2TONS

TABLE OF CONTENTS

SAFETY CONSIDERA TIONS 1....................

INSTALLATION 2...............................

IMPORTANT: Read these instructions completely before attempting to install this accessory.

PACKAGE CONTENTS--

ELECTRIC HEATER

QTY CONTENTS

1 Heater module

4 Screws

1 Wiring label

1 Red wire (10 gauge)*

1 Splice connector*

1 Wire tie*

* Supplied with electric heater packages CRHEATER101A00,

CRHEATER102A00, CRHEATER103A00, and CRHEATER104A00 only.

PACKAGE CONTENTS--

SINGLE POINT KIT*

QTY CONTENTS

1 Single point box

1 Bushing

5 Screws

1 Bracket and conduit drip boot assembly

2 Terminal Blocks (TB10A and TB10B)**

2 Screws (for TB10’s)**

* Single point kit not required on standard efficiency, 2 to 6 ton cooling

units with an MOCP of 60 or lower. Heater wires are to be terminated inside unit control box.

** Supplied with single point boxes C RSINGLE039A00, 045, 049, and 051

only.

Tube clamp (used only on 3 and 4 ton

heat pump units)

SAFETY CONSIDERATIONS

Installation and servicing of air--conditioning equipment can be hazardous due to system pressure and electrical components. Only trained and qualified service personnel should install, repair, or service air-conditioning equipment.

Untrained personnel can perform the basic maintenance functions. All other operations should be performed by trained service personnel. When working on air-conditioning equipment, observe precautions in the literature, tags and labels attached to the unit, and other safety precautions that may apply.

Follow all safety codes. Wear safety glasses and work gloves.

Recognize safety information. This is the safety--ale rt

symbol instructions or manuals, be alert to the potential for personal injury.

Understand the signal words DANGER, W ARNING, and CAUTION. These words are used with the safety--alert symbol. DANGER identifies the most serious hazards which will result in severe personal injury or death. WARNING signifies a hazard which could result in personal injury or death. CAUTION is used to identify unsafe practices which may result i n minor personal injury or product and property damage. NOTE is used to highlight suggestions which will result in enhanced installation, reliability, or operation.

ELECTRICAL SHOCK HAZARD

Failure to follow this warning could result in personal injury or death.

Turn off power to unit and install lockout tag.

. When you see this symbol on the unit and in

WARNING

INSTALLATION

1. Re move electric heater modules and single point box from packaging and inspect for damage.

NOTE: If there is a “1” or a “3” in the ninth position of the heater part number, it indicates that the heater is in a carton. For exam ple, CRHEATER105A00 is heater CRHEATER005A00 in a carton, and CRHEATER364A00 is heater CRHEATER264A00 in a carton.

2. Remove indoor and outdoor access panel. (See Fig. 1 and 2.) Save panels and screws.

DISCONNECT MOUNTING LOCATION

DISCONNECT MOUNTING LOCA TION

BRACKET AND

MAIN

CONDUIT

CONTROL

DRIP BOOT

BO X

SINGLE

POINT EM T OR RIGID CONDUIT (FIELD-SUPPLIED)

SINGLE POINT BO X MOUNTING SCREW

BO X (NOT SHIPPED WITH UNIT)

HEA TER MODULE (LOCA TION 1)

MANUAL RESET

CENTER

LIMIT SWITCH

POST

HEA TER MODULE (LOCA TION 2)

CONTRO L WIRE TERMINAL BLOCK

Fig. 3 -- Typical Component Location

(2to6TonR--22UnitShown)

HEA TER COVERS

HEA TER MOUNTING BRACKET

C08451

UNIT BLOCK-OFF PANEL

OUTDOOR ACCESS PANEL

INDOOR ACCESS PANEL

C08133

Fig. 1 -- Typical Access Panel Location

(2 to 6 Ton Units)

DISCONNECT MOUNTING LOCATION

UNIT BLOCK-OFF PANEL

OUTDOOR ACCESS PANEL

INDOOR ACCESS PANEL

C08416

Fig. 2 -- Typical Access Panel Location

/2to 121/2Ton U nit s )

3. Re move control box cover and center post. Save screws.(SeeFig.3)

4. Re move the single point box cover. Secure single point box to the underside of the control box with the 2 screws provided. (See Fig. 4.)

S On R--410A units, which use single point boxes

CRSINGLE037A00 through CRSINGE053A00, all bushings in the area of the control box where the single point box (SPB) mounts must be removed prior to securing the SPB to the control box (see Fig. 5). Also, for units installed in the Snow Belt, all unplugged holes in the bottom of the control box which are not used must be plugged before installing the SPB. Use foil tape or reinstall the bushings from the outside of the control box prior to securing the SPB (see Fig. 6). Reinstall bushing on the SPB pigtails (see Fig. 6).

CONTROL BOX

BUSHING

SINGLE POINT BOX MOUNTING SCREWS

DRIP BOOT BRACKET MOUNTING SCREWS

POWER WIRES

FOAM BUSHING

HEATER RELAYS

HEATER MOUNTING SCREWS

A L

LIE

C O R

P .

M O D

E L

N O

ERI

A L

N O .

2 2

. 2

ISTED

AIR

NDITIONING

UIP

ACCESS

346N

P / N

5 6

REV

Fig. 4 -- Typical Single Point Kit Installation

S On R--410A units with an MOCP > 60, which use

single point boxes CRSINGLE039A00, 045A00, 049A00, and 051A00, two terminal blocks (TB10A and TB10B) and two attachment screws are provided. Install the two terminal bl ock into the control box and terminate the two -- 3 wire power pigtails as follows (see Fig. 7):

— Pigtail #1 (from top fuse block; long blue

wire with female terminal) — Connect black wire to C1 --11 screw terminal, connect yellow wire to C1-- 13 screw terminal, connect blue wire to TB10A terminal block and move Compressor 1 blue wire from IFC--13 to TB10A terminal block.

— Pigtail #2 (from second fuse block; long

yellow wire with female terminal) — Connect black wire to IFC--11 screw terminal, connect blue wire to IFC--13 screw terminal, connect yellow wire to TB10B terminal block and move ID Fan yellow wire from C1--13 to TB10B terminal block.

— Remove black jumper wire from C1-- 11 to

IFC--11.

C08136

Fig. 5 -- Control Box -- Bushings to Remove

C09005

C09006

Fig. 6 -- Bushings Replaced from Outside Control Box

Fig. 7 -- Wiring Diagram

5. Sec ure the conduit drip boot bracket assembly to the back of the single point box with 2 of the screws provided. (See Fig. 4.) The channel portion of the bracket assembly extends to the top panel behind the control box. Secure all wires to bracket with field--supplied wire tie as shown. (See Fig. 8.)

C09007

NOTE: The conduit drip boot and bracket are not used on standard efficiency 2 to 6 ton electric cooling units and R--410A 3--6 ton electric cooling units.

6. Remove heater cover(s) from heater mounting. bracket. Save screws. Install single module electric heat option in location 1 (nearest the single point box). (See Fig. , Fig. 9, and Fig. 10.)

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